Patricia took out an unsubsidized student loan of $16,000 at a 4.8% APR, compounded monthly, to pay for her last two semesters of college. If she will begin paying off the loan in 15 months, how much will she owe when she begins making payments?

Answers

Answer 1

Answer:

She will owe $16987.35 when she begins making payments

Step-by-step explanation:

* Lets explain how to solve the problem

- The loan is $16,000

- The loan at a 4.8% APR compounded monthly

- She will begin paying off the loan in 15 months

- The rule of the future money is [tex]A=P(1 + \frac{r}{n})^{nt}[/tex], where

# A is the future value of the loan

# P is the principal value of the loan

# r is the rate in decimal

# n is the number of times that interest is compounded per unit t

# t = the time in years the money is borrowed for

∵ P = $16,000

∵ r = 4.8/100 = 0.048

∵ n = 12 ⇒ compounded monthly

∵ t = 15/12 = 1.25 years

∴ [tex]A=16000(1+\frac{0.048}{12})^{12(1.25)}=16987.35[/tex]

* She will owe $16987.35 when she begins making payments


Related Questions

What is the value of matrix B if A+B=C?

Answers

Answer:

option B

Step-by-step explanation:

Step 1

A + B = C

[tex]A=\left[\begin{array}{ccc}8&-3\\3&y+2\end{array}\right][/tex][tex]+B=\left[\begin{array}{ccc}3x&z+4\\w&1/2y\end{array}\right][/tex]

=

[tex]C=\left[\begin{array}{ccc}x&2z\\4&y\end{array}\right][/tex]

Step 2

[tex]\left[\begin{array}{ccc}8+3x&-3+z+4\\3+w&y+2+y/2\end{array}\right][/tex][tex]=\left[\begin{array}{ccc}x&2z\\4&y\end{array}\right][/tex]

Step 3

4 equations are form

Equation 1

8 + 3x = x

8 = -2x

x = -4

Equation 2

-3 + z + 4 = 2z

1 + z = 2z

1 = z

z = 1

Equation 3

3 + w = 4

w = 1

Equation 4

y + 2 + y/2 = y

2 + y/2 = 0

4 + y = 0

y = -4

Step 4

[tex]\left[\begin{array}{ccc}3(-4)&1+4\\1&1(-4)/2\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}-12&5\\1&-2\end{array}\right][/tex]

Answer:

B

Step-by-step explanation:

I got 100% on EDGE 2020 Unit test

Calcule a area da superficie lateral e a capacidade de um cone de revolucao de altura 9 cm sabendo que sua area lateral vale o dobro da area da sua base

Answers

Answer:

The answer is -8.

Step-by-step explanation:

Graph a system of equations to solve log (−5.6x + 1.3) = −1 − x. Round to the nearest tenth. From the least to the greatest, the solutions are: x ≈ and x ≈ .

Answers

Answer:

See the graph attachedx₁ ≈ - 2.1x₂ ≈ 0.2

Explanation:

To solve log (−5.6x + 1.3) = −1 − x graphycally, you must graph this system of equations on the same coordinate plane:

Equation 1: y = log (5.6x + 1.3)Equatin2:    y = - 1 - x

1) To graph the equation 1 you can use these features of logarithmfunctions:

Domain: positive values ⇒ -5.6x + 1.3 > 0 ⇒ x < 13/56 (≈ 0.23)

Range: all real numbers (- ∞ , ∞)

x-intercept:

        log ( -5.6x + 1.3) = 0 ⇒ -5.6x + 1.3 = 1 ⇒x = 0.3/5.6 ≈ 0.054

y-intercept:

       x = 0 ⇒ log (0 + 1.3) = log (1.3) ≈ 0.11

Pick some other values and build a table:

        x            log (-5.6x + 1.3)

        -1           0.8

        -2           1.1

        -3           1.3

You can see such graph on the picture attached: it is the red curve.

2) Graphing the equation 2 is easier because it is a line: y = - 1 - x

slope, m = - 1 (the coeficient of x)y - intercept, b = - 1 (the constant term)x - intercept: y = 0 = - 1 - x ⇒ x = - 1The graph is the blue line on the picture.

3) The solution or solutions of the equations are the intersection points of the two graphs. So, now the graph method just requires that you read the x coordinates of the intersection points. From the least to the greatest, rounded to the nearest tenth, they are:

x₁ ≈ - 2.1x₂ ≈ 0.2

Answer:

x = -2.1

& .2

Step-by-step explanation:

In a particular game, a spinner with four equally-sized sectors labeled 1, 4, 6, and 8 is spun twice. One turn is considered 2 spins of the spinner.

If the sum of the spins is even, you move forward 6 spaces. Otherwise, you move back 2 spaces.

What is the mathematical expectation for the number of spaces moved in one turn?



A. 3 spaces forward
B. 3 spaces backward
C. 1 space backward
D. 1 space forward

Answers

Answer:

The mathematical expectation for the number of spaces moved in one turn is:

           A.    3 spaces forward.

Step-by-step explanation:

Th result or the sample space on spinning a spinner twice is:

           (1,1)    (1,4)    (1,6)    (1,8)

           (4,1)   (4,4)    (4,6)  (4,8)

           (6,1)   (6,4)    (6,6)  (6,8)

           (8,1)   (8,4)    (8,6)   (8,8)

Total number of outcomes= 16

The number of outcomes whose sum is even= 10

( Since the outcomes are: {(1,1) , (4,4) , (4,6) , (4,8) , (6,4) , (6,6) , (6,8) , (8,4) , (8,6) , (8,8)}  )

The number of outcomes whose sum is odd= 6

( Since, the outcomes are: { (1,4) , (1,6) , (1,8) , (4,1) , (6,1) , (8,1) }

Probability(sum even)=10/16

Probability(sum odd)=6/16

Hence, the expectation is:

 [tex]E(X)=\dfrac{10}{16}\times (+6)+\dfrac{6}{16}\times (-2)\\\\\\E(X)=\dfrac{60-12}{16}\\\\\\E(X)=\dfrac{48}{16}\\\\\\E(X)=+3[/tex]

                 Hence, the answer is:

              A.  3 spaces forward.

in the figure, AB||CD and BC||AE. Let ABD measure (3x+4), BCD measure (6x-8), and EDF measure (7x-20).


What does angle BCD measure?

Answers

Answer:

The measure of angle BCD is [tex]68.5\°[/tex]

Step-by-step explanation:

step 1

Find the value of x

In this problem

[tex]m<ABD+m<BCD+m<EDF=180\°[/tex] -----> is a straight line

substitute the values

[tex](3x+4)+(6x-8)+(7x-20)=180\°[/tex]

[tex](16x-24)=180\°[/tex]

[tex]16x=180\°+24\°[/tex]

[tex]x=12.75\°[/tex]

step 2

Find the measure of angle BCD

[tex]m<BCD+=(6x-8)\°[/tex]

substitute the value of x

[tex]m<BCD+=(6(12.75)-8)=68.5\°[/tex]

The function f(t) = 349.2(0.98)t models the relationship between t, the time an oven spends cooling and the temperature of the oven. For which temperature will the model most accurately predict the time spent cooling? 0 100 300 400

Answers

A function assigns the values. The temperature that will model most accurately predict the time spent cooling will be 300.

What is a Function?

A function assigns the value of each element of one set to the other specific element of another set.

For the given function [tex]f(t)=349.2 (0.98)^t[/tex], the value of t which will lie within the given function range will be the value function that will model most accurately predict the time spent on cooling. Therefore, let's substitute the values and check,

A.) t = 0

[tex]f(t)=349.2 (0.98)^t\\\\0=349.2 (0.98)^t[/tex]

As the value of t will lie at infinite, therefore, this will not give an accurate prediction of the model.

B.) f(t) = 100

When the value of the function will be 100 then the value of t will be 61.6, therefore, this can not be the most accurate prediction.

C.) f(t) =300

When the value of the function will be 300 then the value of t will be 7.5, therefore, this is the most accurate prediction.

D) f(t) = 400

When the value of the function will be 400 then the value of t will be -6.724, therefore, this can not be the most accurate prediction.

Thus, the temperature that will model most accurately predict the time spent cooling will be 300.

Learn more about Function:

https://brainly.com/question/5245372

SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!

Answers

Answer:

[tex]4w^4-7z^4+6w^2z^2[/tex]

Step-by-step explanation:

We can reformat this equation so we can vertically add.

Then, we can just add down.

Since all the degrees and the variables are the same, we only have to worry about the coefficients.

5 - 1 = 4 --> [tex]4w^4[/tex]

-7 + 13 = 6 --> [tex]6w^2z^2[/tex]

-3 - 4 = -7 --> [tex]-7z^4[/tex]

Now let's rewrite this.

[tex]4w^4-7z^4+6w^2z^2[/tex]

Does anyone, know how to do this???

Answers

Answer:

The x intercepts are x=-4 and x=2

axis of symmetry x=-1

vertex (-1,-9)

D: {x: all real numbers}

R: {y: y≥ -9}

Step-by-step explanation:

f(x) = x^2+2x-8

y= x^2+2x-8

Factor the equation

What 2 numbers multiply to -8 and add to 2

4*-2 = -8

4+-2 =2

y = (x+4) (x-2)

The x intercepts are found when we set y =0

0=  (x+4) (x-2)

Using the zero product property

x+4=0   x-2 =0

x=-4 and x=2

The x intercepts are x=-4 and x=2

The axis of symmetry is halfway between the x intercepts.  It is symmetric must be in the middle of the x intercepts

1/2 (-4+2) = 1/2(-2) = -1

The axis of symmetry is at x=-1

To find the vertex, it is along the axis of symmetry.  Substitute x=-1 into the equation

y = (x+4) (x-2)

y = (-1+4) (-1-2)

  =3*-3

  =-9

The vertex is (-1,-9)

The domain is the values that x can take

x can be any number

D: {x: all real numbers}

The range is the values that y can take

since the parabola opens upward, the vertex is the minimum,Y must be greater than or equal to -9

R: {y: y≥ -9}

Please check if ur able to help with these

Answers

The last ones answer is six

Simplify the algebraic expression: x(x + 3) + x(2x – 4) + 6

A. 3x2 + 5
B. 2x4 – x2 + 6
C. 3x2 + x + 6
D. 3x2 – x + 6

Thanks !! Will mark for Brainlest if answered correctly.

Answers

answer for this question is (d)3x2-x+6

This is the answer:)

The school production of​ 'Our Town' was a big success. For opening​ night, 503 tickets were sold. Students paid ​$4.00 ​each, while​ non-students paid ​$6.00 each. If a total of $ 2296.00 was​ collected, how many students and how many​ non-students attended?
The number of students was
nothing. ​(Simplify your​ answer.)
The number of​ non-students was
nothing. ​(Simplify your​ answer.)

Answers

4x➕6(503-x)=2296

Distribute the 6 into the parentheses

Let x represent the students

503-x will represent the non-students

4x➕3018➖6x=2296

Then combine like terms

-2x➕3018=2296

Now since you move your constant your sign has to change as well,

-2x=2296➖3018

Then subtract

-2x=-722

Then divide both sides by -2

You are left with x=361

This represents the students

503➖361= 142 which equal the non-students

Therefore your answer is:

361=students

142=non-students

Hope this helps! :3

Answer:

361 students and 503-361=142 non students

Step-by-step explanation:

Let x = number of students. And 503-x = the number of non students. Therefore, 4x+6(503-x)=2296

What is the magnitude and phase of X.

[tex]X=\sqrt{3-4i}[/tex]

Answers

Answer:

Step-by-step explanation:

First you assume some complex number of the form [tex]a + bi[\tex] is the square root of [tex]3 - 4i[\tex].

Then, by the definition, that number squared is 3 - 4i.

And you end up with the following equation:

[tex](a+bi)^2 = 3 - 4i\\a^2 + 2abi - b^2 = 3 - 4i\\(a^2 - b^2) + (2ab)i = 3 - 4i[/tex]

Then you assume the real part of the left is equal to 3 and the complex part [tex]2abi[\tex] is equal to [tex]-4i[\tex].

You end up with a system of equations:

[tex]a^2 - b^2 = 3\\2ab = -4[/tex]

Then you simplify the 2nd equation to [tex]ab = -2[\tex], then you rewrite b in terms of a [tex]b = \frac{-2}{a}[\tex].

You plug your new definition into the first equation and you end up with:

[tex]a^2 - (\frac{-2}{a})^2 = 3\\a^2 - \frac{4}{a^2} = 3[/tex]

You multiply the whole equation by [tex]a^2[\tex] as it is not equal to 0.

[tex]a^4 - 4 = 3a^2\\a^4 - 3a^2 -4 = 0[/tex]

We let [tex]t = a^2[\tex] and we end up with:

[tex]t^2 -3t - 4 = 0\\t_{12} = \frac{3 \pm \sqrt{9 - 4(1)(-4)} }{2} = \frac{3 \pm \sqrt{25}}{2} = \frac{3 \pm 5}{2}\\t_1 = 4\\t_2 = -1[/tex]

We then go back to the definition of [tex]t[\tex]:

[tex]t = a^2\\a^2 = 4 \mid a^2 = -1[/tex]

But since a is a real number we only use the first result:

[tex]a^2 = 4\\a_{12} = \pm 2[/tex]

We then solve for [tex]b[\tex]:

[tex]ab = -2\\b_1 = \frac{-2}{a_1}\\b_2 = \frac{-2}{a_2}\\b_{12} = \pm 1[/tex]

We then write the newly achieved complex number:

[tex]a_1 + b_1i = \sqrt{3-4i} \mid a_2 +b_2i = \sqrt{3-4i} \\2-i = \sqrt{3-4i} \mid -2 + i = \sqrt{3-4i}[/tex].

Use which equation you please to find the magnitude of:

[tex]|X| = \sqrt{2^2 + 1^2} = \sqrt{5}[/tex] - the magnitude.

And to find the phase/angle.

[tex]\theta = arcsin(\frac{b}{\sqrt{a^2+b^2} } ) = arcsin(\frac{1}{\sqrt{5}}) = 26.565^o[/tex]

Which function is represented by the graph below? graph begins in the second quadrant near the x−axis and increases slowly while crossing the ordered pair 0, 1. When the graph enters the first quadrant, it begins to increase quickly throughout the graph f(x) = 3x f(x) = 3x − 3 f(x) = 3x + 3 f(x) = 3(x + 3).

Answers

Answer:

[tex]f(x)=3^x[/tex]

Step-by-step explanation:

Given that the function is represented by the graph below, which  begins in the second quadrant near the x−axis and increases slowly while crossing the ordered pair 0, 1. When the graph enters the first quadrant, it begins to increase quickly throughout the graph

Because it passes through (0,1) it is of the form

[tex]y=a^x[/tex]

Also for negative x large it is very near x axis, So a must be positive then only it increases faster in the I quadrant.  Range is only posiitve real numbers

So the function is

[tex]f(x) =3^x[/tex]

Find the slope of the line.
A-4
B--1/4
C-1/4
D--4















Answers

Answer:

slope=-1/4

Step-by-step explanation:

point 1: -4,-1

point 2: 0,-2

y1-y2/x1-x2

1/-4

-1/4

Alan learned 24 new vocabulary words in 4 weeks. which unit rate describes the situation? 6,8,20,28

Answers

Answer:

the person above me is correct

Step-by-step explanation:

by the way its 8 because 24 words divided by 4 weeks is 8.

The unit rate describing Alan's vocabulary acquisition is 6 words per week.

The unit rate that describes the situation where Alan learned 24 new vocabulary words in 4 weeks is 6 words per week.

To find the unit rate, divide the total number of words learned by the total number of weeks. In this case, 24 words / 4 weeks = 6 words per week.

PLEASE HELP ASAP! WILL GIVE BRAINLIEST! Thank you!
Given: mKP=2mIP, mIVK=120°
Find: m∠KJL

Answers

That is 99 degrees if you have the triangle facing the other way

the measure of angle KJL is [tex]\( 40^\circ \)[/tex].

Given information

[tex]\( m(KP) = 2 \cdot m(IP) \)\\\( m(IVK) = 120^\circ \)[/tex]

Using the fact that the sum of angles in a circle is [tex]\( 360^\circ \)[/tex], we have:

[tex]\[ m(KP) + m(IP) + m(IVK) = 360^\circ \][/tex]

Substituting the given values:

[tex]\[ 2 \cdot m(IP) + m(IP) + 120^\circ = 360^\circ \][/tex]

Solving for [tex]\( m(IP) \)[/tex]:

[tex]\[ 3 \cdot m(IP) = 360^\circ - 120^\circ \]\[ 3 \cdot m(IP) = 240^\circ \]\[ m(IP) = \frac{240^\circ}{3} \]\[ m(IP) = 80^\circ \][/tex]

Finding [tex]\( m(KP) \)[/tex]:

[tex]\[ m(KP) = 2 \cdot m(IP) = 2 \cdot 80^\circ = 160^\circ \][/tex]

Using the angle formed by a tangent and a secant theorem, we can find [tex]\( m(\angle KJL) \)[/tex]:

[tex]\[ m(\angle KJL) = \frac{1}{2} (m(KP) - m(IP)) \][/tex]

Substituting the known values:

[tex]\[ m(\angle KJL) = \frac{1}{2} (160^\circ - 80^\circ) \]\[ m(\angle KJL) = \frac{1}{2} (80^\circ) \]\[ m(\angle KJL) = 40^\circ \][/tex]

Therefore, the measure of angle KJL is [tex]\( 40^\circ \)[/tex].

The complete question is:

given:  [tex]\( m(KP) = 2 \cdot m(IP) \)\\[/tex] and [tex]\( m(IVK) = 120^\circ \)[/tex]

find: m∠KJL.

HELP ASAP PLEASE!!!!

If f(x)= x^2 and g(x)= 2x+3, what is f (g(x))?


A. 4x^2+9

B. x^2+2x+3

C. 2x^2+3

D. 4x^2+12x+9

Answers

Answer:

D

Step-by-step explanation:

Substitute x = g(x) into f(x)

f(2x + 3) = (2x + 3)² ← expand factors

f(g(x)) = (2x)² + 6x + 6x + 3² = 4x² + 12x + 9 → D

Find the difference between the medians of Set A and Set B as a multiple of the interquartile range of Set A. A) 1 2 B) 3 4 C) 1 1 2 D) 2

Answers

Answer:

B) 3/4

Step-by-step explanation:

3 /4

Set A interquartile range = 4

Difference between medians is 3.

Therefore,  3 /4

The difference between the median of set A and set B as a multiple of interquartile range of set A is 3/4.

Set A interquartile range is 4

Difference between their medians is 3

What is interquartile range?

The interquartile range is a measure of the “middle fifty” in a data set in which a range is a measure of the beginning and end are in a set, an interquartile range is a measure of the bulk of the values lie.

Difference between the median = Median / Interquartile range of A

                                                       = 3/4

Thus, the difference between the median set A and set B as multiple of interquartile range is 3/4.

Learn more about the Interquartile range from:

https://brainly.com/question/14469535

#SPJ2

Mark all the statements that are true.

A. This graph is not a function because the value x = 3 is assigned to more than one y-value.
B. This graph is a function whose range is the set {3}
C. The equation fo this line is x=3.
D. This graph is a function whose domain is the set {3}
E. This graph is a function because the value of x is the same for every value of y.

Answers

Answer:

Option A

Option C

Step-by-step explanation:

A relationship is defined as a function if and only if each element of the "domain" set is assigned only one element of the "range" set. That is, there is only one output value y assigned to each input value x.

The relation x = 3 is not a function because there are infinite output values y, assigned to the same input element x.

(3, 2), (3, 5) (3, 9) (3,10000)

Then the option A is true

Option C is also true, the equation of the line shown is

[tex]x = 3[/tex]

The rest of the options are false because x = 3 is not a function

LAST QUESTION GUYS PLEASE LORD HELP ME

Answers

ANSWER

D. 13

EXPLANATION

The given function is:

[tex]f(x) = \frac{2x + 1}{x -4} [/tex]

Let

[tex]y = \frac{2x + 1}{x -4} [/tex]

Interchange x and y.

[tex]x= \frac{2y + 1}{y-4} [/tex]

Solve for y.

[tex]x(y - 4)=2y + 1[/tex]

[tex]xy - 4x=2y + 1[/tex]

[tex]xy - 2y = 1 + 4x[/tex]

[tex](x - 2)y = 1 + 4x[/tex]

[tex]y = \frac{1 + 4x}{x - 2} [/tex]

[tex] {f}^{ - 1}(x) = \frac{1 + 4x}{x - 2} [/tex]

We put x=3,

[tex]{f}^{ - 1}(3) = \frac{1 + 4 \times 3}{3- 2}[/tex]

[tex]{f}^{ - 1}(3) = \frac{13}{1} = 13[/tex]

The ABC Bagel Shop sells bagels for $0.85 each thus far today they have sold 47 bagels write an equation that represents the amount of money A they'll make if they an additional B bagels today

Answers

Answer: 47+B(.85) = A

Step-by-step explanation:

One bagel = $0.85

Sold 47 today

One bagel(.85) = profit

A = profit

B = additional bagels

47+B(.85) = A

What is the standard form of an ellipse with foci at (0, ±2), and vertices at (0, ±4)?

Answers

Answer:

  B) x^2/12 +y^2/16 = 1

Step-by-step explanation:

The distance from focus to covertex is the same as the distance from the center to the vertex: 4. So, the Pythagorean theorem tells you ...

  a^2 + 2^2 = b^2

  a^2 +4 = 4^2 = 16

  a^2 = 16 -4 = 12

So, the standard-form equation ...

  x^2/a^2 +y^2/b^2 = 1

looks like this when the values are filled in:

  x^2/12 +y^2/16 = 1

PLEASE HELP!!!

Given triangle QRS is congruent to triangle TUV, QS = 3v + 2 and TV = 7v - 6, find the length of QS and TV.

Answers

Answer:

The length of QS and TV is 8 units

Step-by-step explanation:

we know that

If triangle QRS is congruent with triangle TUV

then

QS=TV

QR=TU

RS=UV

In this problem

we have

QS=3v+2

TV=7v-6

so

QS=TV

3v+2=7v-6

Solve for v

7v-3v=2+6

4v=8

v=2

Find the length of QS

substitute the value of v

QS=3(2)+2=8 units

so

TS=8 units

Final answer:

Triangle QRS is congruent to triangle TUV, so side QS is equal to side TV. By setting the expressions for QS and TV equal and solving for 'v', we find that both lengths are 8 units.

Explanation:

To solve the problem of finding the length of QS and TV given that triangle QRS is congruent to triangle TUV, and being given the expressions QS = 3v + 2 and TV = 7v - 6, we must recognize that congruent triangles have corresponding sides of equal length. Thus, we can set the expressions for QS and TV equal to each other:

3v + 2 = 7v - 6

We then solve for 'v' by subtracting 3v from both sides:

2 = 4v - 6

Next, we add 6 to both sides:

8 = 4v

Divide both sides by 4 to find 'v':

v = 2

Now that we have the value of 'v', we can substitute it back into the expressions for QS and TV to find their lengths:

QS = 3(2) + 2 = 8

TV = 7(2) - 6 = 8

Therefore, the length of QS and TV is 8 units each.

please i need help
i dont know how to do this

Answers

Do what? I can't see a question

repost and let me know once it’s up because I can’t see the picture

Good luck,

:)

Select the functions that have identical graphs.

Answers

Answer:

c. 1 and 3

Step-by-step explanation:

To quickly solve this problem, we can use a graphing tool or a calculator to plot each equation.

Please see the attached image below, to find more information about the graph s

The equations are:

1) y = sin (3x + π/6)

2) y = cos (3x - π/6)

3) y = cos (3x - π/3)

Looking at the graphs, we can see that the identical ones

are equations one and three

Correct option:

c. 1 and 3

Answer:

The correct option is:

             option: c     c.   1 and 3

Step-by-step explanation:

The first trignometric function is given by:

     [tex]y=\sin (3x+\dfrac{\pi}{6})[/tex]

and also we know that:

[tex]\sin \theta=\cos(\dfrac{\pi}{2}-\theta)[/tex]

This means that:

[tex]\sin (3x+\dfrac{\pi}{6})=\cos (\dfrac{\pi}{2}-(3x+\dfrac{\pi}{6})\\\\\\\sin (3x+\dfrac{\pi}{6})=\cos (\dfrac{\pi}{2}-3x-\dfrac{\pi}{6})\\\\\\\sin (3x+\dfrac{\pi}{6})=\cos (\dfrac{\pi}{2}-\dfrac{\pi}{6}-3x)\\\\\\\sin (3x+\dfrac{\pi}{6})=\cos (\dfrac{2\pi}{6}-3x)\\\\\\\sin (3x+\dfrac{\pi}{6})=\cos (\dfrac{\pi}{3}-3x)\\\\\\\sin (3x+\dfrac{\pi}{6})=cos (-(3x-\dfrac{\pi}{3}))[/tex]

As we know that:

[tex]\cos (-\theta)=cos(\theta)[/tex]

Hence, we have:

[tex]\sin (3x+\dfrac{\pi}{6})=\cos (3x-\dfrac{\pi}{3})[/tex]

Also,  by the graph we may see that the graph of 1 and 2 function do not match.

Hence, they are not equivalent.

Last weekend sanjay watched 3 television shows that were each 30 mins long he also watched one movie on television that was 90 mins long what is the total number of minutes Sanjay watched television last weekend

Answers

Answer:

Sanjay watched television last weekend for 180 minutes.

Step-by-step explanation:

Sanjay watched 3 television shows and one movie on television last week.

Time duration of 1 television shows = 30 mins

Time duration of 3 television shows = 3* 30 = 90 mins

Time duration of movie = 90 mins

Total number of minutes Sanjay watched television last weekend = Time duration of 3 television shows + Time duration of movie

= 90 + 90

= 180 min

So, Sanjay watched television last weekend for 180 minutes.

Find the domain and range of f(x)=2x+cos x

Answers

Answer:

Domain = Range =  All real numbers

Step-by-step explanation:

To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.

Please see the attached image below, to find more information about the graph

The equation is:

f(x)=2x+cos x

From the plot, we can see the answer is

Option a.

Domain = Range = (-∞,∞)

Answer: a

Step-by-step explanation:

right on edg

The function f(x) = ?x2 + 16x ? 60 models the daily profit, in dollars, a shop makes for selling candles, where x is the number of candles sold, and f(x) is the amount of profit. Part A: Determine the vertex. What does this calculation mean in the context of the problem? (5 points) Part B: Determine the x-intercepts. What do these values mean in the context of the problem?

Answers

Answer:

Step-by-step explanation:

A

The vertex form: f(x) = a(x-h)^2 + k

f(x) = x^2 + 16x + 60 = (x^2 + 16x) + 60

We want to get a perfect square in the brackets, so we solve for our b^2 coefficient.

b^2 = (16/2)^2 = 64

f(x) = (x^2 + 16x + 64 - 64) + 60. Note we subtracted 60 right away to end up with an equivalent expression and not some other function.

f(x) = (x+8)^2 - 4, as you can see it matches the general vertex form.

The vertex form shows when the profit is minimal. The point (h, k) or f(h).

B. The x-intercepts or when the function is equal to 0, or the profit is 0 in the context of the problem.

f(x) = x^2 + 16x + 60 set = 0

x^2 + 16x + 60 = 0

[tex]x_{12} = \frac{-16 \pm \sqrt{256 - 4(1)(60)}}{2} = \frac{-16 \pm \sqrt{16}}{2} = \frac{-16 \pm 4}{2} = -8 \pm 2[/tex]

Answer:

the vertex is either the maximum or minimum value

since the leading coefinet is negative (the number in front of the x² term), the parabola opens down and is a maximum

so

A.

a hack version is to use the -b/(2a) form

if  you have f(x)=ax²+bx+c, then the x value of the vertex is -b/(2a)

so

given

f(x)=-1x²+16x-60

the x value of the vertex is -16/(2*-1)=-16/-2=8

the y value is f(8)=-1(8)²+16(8)-60=

-1(64)+128-60=

4

the vertex is (8,4)

so you selll 8 candels to make the max profit which is $4

B.

x intercepts are where the line crosses the x axis or where f(x)=0

solve

0=-x²+16x-60

0=-1(x²-16x+60)

factor

what 2 numbers multiply to get 60 and add to get -16

-6 and -10

0=-1(x-6)(x-10)

set each factor to 0

0=x-6

x=6

0=x-10

10=x

x intercepts are at x=6 and 10

that is where you make 0 profit

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Apply the distributive property

1/4(16a+8b+c)

Answers

Answer:

4a + 2b + 1/4 c.

Step-by-step explanation:

1/4(16a+8b+c)

= 1/4 * 16a + 1/4 * 8b + 1/4 * c

= 4a + 2b + 1/4 c.

Final answer:

To apply the distributive property to the expression 1/4(16a+8b+c), we distribute the 1/4 to each term inside the parentheses and simplify the expression.

Explanation:

To apply the distributive property to the expression 1/4(16a+8b+c), we distribute the 1/4 to each term inside the parentheses. This means multiplying 1/4 by 16a, 1/4 by 8b, and 1/4 by c. The distributive property states that a (b + c) = ab + ac. So, the expression becomes:

1/4(16a) + 1/4(8b) + 1/4(c)

Since 1/4 times any number equals the number divided by 4, we can simplify further:

(16a/4) + (8b/4) + (c/4)

Which simplifies to:

4a + 2b + c/4

What is the sum of the first 703 terms of the sequence -5, -1, 3, 7, ...?

Answers

Answer:

983497

step-by-step explanation:

The sum formula of arithmetic sequence is given by:

[tex]S_n = \frac{n}{2}(2a_1 +(n - 1)d[/tex]

a_1 is the first term, n is the nth term and d is the common difference

From the given information

[tex]d = - 1 -( - 5) = - 1 + 5 = 4[/tex]

[tex]a_1 = - 5 \: and \: n = 703[/tex]

By substitution we obtain:

[tex]S_{703}= \frac{703}{2}(2( - 5) +(703- 1)4)[/tex]

[tex]S_{703}= \frac{703}{2}( - 10 + 2808)[/tex]

[tex]S_{703}= \frac{703}{2}(2798)[/tex]

[tex]S_{703}=98397[/tex]

Answer:

S = 983,497

Step-by-step explanation:

We are given the following sequence and we are to find the sum of the first 703 terms of this sequence:

[tex]-5, -1, 3, 7, ...[/tex]

Finding the common difference [tex]d[/tex] = [tex]-1-(-5)[/tex] = [tex]4[/tex]

[tex]a_1=-5[/tex]

[tex]a_n=?[/tex]

[tex]a_n=a_1+(n-1)d[/tex]

[tex] a_n = - 5 + ( 7 0 3 - 1 ) 4 [/tex]

[tex] a _ n = 2803 [/tex]

Finding the sum using the formula [tex]S_n = \frac{n}{2}(a_1+a_n)[/tex].

[tex]S_n = \frac{703}{2}(-5+2803)[/tex]

S = 983,497

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