Allie and Evelyn share a pizza and split the cost. They each pay $7.74. Which of the following equations can be used to find the cost of the pizza?

2p = 7.74
7.74/2 = p
7.74/p = 2
p/2 = 7.74

Answers

Answer 1

p/2=7.74

This was a trick question. P is the variable that represents the total cost of the pizza. To normally find the total cost of pizza using the cost each of the two people spent, you would simply multiply 7.74*2=p. Since that wasn’t in the choices, you can divide by two on each side to get p/2=7.74.

Answer 2

Answer:

D

Step-by-step explanation:


Related Questions

Is this graph continuous at x=1?

Answers

Answer:

Step-by-step explanation:

By my definition, no. There's a continuity up to and including just before 1 approaching from the left, and there's a continuity just after 1 going to the right. But 1 itself has a special definition h(x) = 4 when x = 1 and that makes it discontinuous.

On a trip to Griffith Observatory, Dave rode his bicycle six more than twice as many miles in the afternoon as in the morning. If the entire trip was 57 miles long, then how far did he ride in the morning and in the afternoon?

Answers

Answer:

Dave rode his bicycle 17 miles in the morning

Dave rode his bicycle 40 miles in the afternoon

Step-by-step explanation:

* Lets study the information to solve the question

- Dave rod his bicycle in the morning and again in the afternoon

- Six more than twice as many miles in the afternoon as in the morning

  means the distance in the afternoon is 6 more than twice the distance

  in the morning

- The entire trip was 57 miles means the total distance in the morning

  and in the afternoon was 75

* To solve the question let the distance in the morning is x miles

∵ The distance in the morning = x miles

∵ The distance in the afternoon is 6 more than twice the distance

  in the morning

∴ The distance in the afternoon = 2x + 6 miles

∵ The distance in entire trip = 57 miles

- The distance in the morning and the distance in the afternoon = 57 miles

∴ x + (2x + 6) = 57 ⇒ simplify

∴ 3x + 6 = 57 ⇒ subtract 6 from both sides

∴ 3x = 51 ⇒ divide both sides by 3

∴ x = 17 miles

∵ The distance in the morning is x miles

Dave rode his bicycle 17 miles in the morning

∵ The distance in the afternoon = 2x + 6 miles

- Substitute the value of x

∴ The distance in the afternoon = 2(17) + 6 = 34 + 6 = 40 miles

Dave rode his bicycle 40 miles in the afternoon

Jamie and Lin volunteer at the food pantry one Saturday each month, packing boxes of food to deliver to families. Working alone, Jamie can pack 120 boxes in 2 hours. Lin can pack 160 boxes in 4 hours. If they work together, how long will it take them to pack 600 boxes?

Answers

120/2=60

160/4=40

60+40=100

100 boxes/1 hour=600 boxes/x

x= 6 hours

What is the surface area of the regular pyramid below

Answers

[tex]

S=14\times14+4(\frac{14}{2}\times18) \\

S=196+4(7\times18) \\

S=196+4\times126 \\

S=196+504 \\

S=\boxed{700}

[/tex]

Answer:

B. [tex]700\text{ inches}^2[/tex].

Step-by-step explanation:

We have been given an image of a pyramid. We are asked to find the total surface area of the given pyramid.

[tex]\text{Surface area of pyramid}=A+\frac{1}{2}*ps[/tex], where,

A = Area of base of pyramid.

p = Perimeter of base,

s = Slant height,

Upon substituting our given values, we will get:

[tex]\text{Surface area of pyramid}=14^2+\frac{1}{2}*4*14*18[/tex]

[tex]\text{Surface area of pyramid}=196+2*14*18[/tex]

[tex]\text{Surface area of pyramid}=196+504[/tex]

[tex]\text{Surface area of pyramid}=700[/tex]

Therefore, the total surface area of given pyramid is 700 square inches and option B is the correct choice.

What is the exact area of a circle with radius 5?

10

25

25π

10π


How do you solve the inequality -2x > -10

Divide both sides by -2.

Add 10 to both sides

Add 2 to both sides.

Divide both sides by -2 and reverse the inequality.

Answers

the radius of this question 25pi

Answer:

Step-by-step explanation:

(1) The formula for the area of a circle of radius r is A = πr².

If the radius is 5 units, then the exact area of the circle is A = π(5 units)², or A = 25π units².

The third possible answer is the correct one.

(2) To solve -2x > -10, we must isolate x.

Divide both sides by -2, remembering that if we divide an inequality by a negative number, we must reverse the direction of the inequality sign:

-2x > -10

-----   -------  →  x < 5

 -2      -2

The first possible answer is the correct one:  Divide both sides by -2.

Find the location of Point F which is 3/4 of the way between points E and G. Point G is located at (-8,-2). Point E is located at (-4,14).

Answers

Answer:

(-7 , 7/2)

Step-by-step explanation:

Given in the question,

point E(-4,14)

x1 = -4

y1 = 14

point G(-8,-2)

x2 = -8

y2 = -2

Location of point F which is 3/4 of the way from E to G

which means ratio of point F from E to G is 3 : 1

a : b

3 : 1

xF = [tex]x1+\frac{a}{a+b}(x2-x1)[/tex]

yF = [tex]y1+\frac{a}{a+b}(y2-y1)[/tex]

Plug values in the equation

xF = -4 + (3)/(3+1) (-8+4)

xF = -7

yF = 14 + (3)/(3+1)(-2-14)

yf = 7/2

PLEASE HELP!!!

How is [tex] \sqrt[7]{x^5} *\sqrt[7]{x^5} [/tex] equal too [tex] x\sqrt[7]{x^3} [/tex] ? Please write the steps and properties of how you obtain [tex] x\sqrt[7]{x^3} [/tex] as a result of the equation.

Answers

First combine the roots:

[tex]\sqrt[7]{x^5}\cdot\sqrt[7]{x^5}=\sqrt[7]{x^5\cdot x^5}=\sqrt[7]{x^{10}}[/tex]

Now use the fact that [tex]\sqrt[n]{x^n}=x[/tex] (for odd [tex]n[/tex]):

[tex]\sqrt[7]{x^{10}}=\sqrt[7]{x^7\cdot x^3}=\sqrt[7]{x^7}\cdot\sqrt[7]{x^3}=x\sqrt[7]{x^3}[/tex]

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

The bar graph shows the z-score results of four contestants in a bowling contest.

The contestants bowled Round 1 and bowled Round 2 two months later.

Which contestant had the worst score for Round 1?

Answers

Answer:  d) Easton

Step-by-step explanation:

Let's evaluate Round 1 (blue) for each bowler:

Jimmy --> the lowest score is 0.5 SD below the mean

Claudia --> the lowest score was the mean

Easton --> the lowest score is 0.75 SD below the mean

Cynthia --> the lowest score was the mean

The person that had the worst game is: Easton

Answer:

easton

Step-by-step explanation:

I did the test

If sin θ = 1 over 3 and tan θ < 0, what is the value of cos θ? (1 point)

Answers

[tex]\sin\theta=\dfrac13>0[/tex], so

[tex]\tan\theta=\dfrac{\sin\theta}{\cos\theta}<0\implies\cos\theta<0[/tex]

Recall that

[tex]\cos^2\theta+\sin^2\theta=1[/tex]

for all [tex]\theta[/tex], and knowing that [tex]\cos\theta<0[/tex] we have

[tex]\cos\theta=-\sqrt{1-\sin^2\theta}=-\dfrac{2\sqrt2}3[/tex]

Complete the square to determine the minimum or maximum value of the function defined by the expression. ?x2 + 10x + 5 )

Answers

Answer:

(x+5)^2-20

(-5,-20)

Step-by-step explanation:

Use the formula (b/2)^2 in order to create a new term to complete the square.

In the synthetic division problem shown below, what number belongs in the place of the question mark?

Answers

Answer:

7

Step-by-step explanation:

The full solution is:  

1 |...1.....3.....-5.....7  

.............-1....-2......7  

__________________  

.......1.....2.....-7.....14  

So the answer is 7

Final answer:

The question doesn't provide enough information to answer it properly, as it doesn't specify the polynomial or the divisor necessary for synthetic division. Synthetic division involves dividing a polynomial by a linear divisor, but without the set polynomial and divisor, the number that would belong in the place of the question mark can't be determined.

Explanation:

Unfortunately, the information provided doesn't clearly indicate the format or context of a synthetic division problem. Synthetic division typically involves dividing a polynomial by a linear divisor. The elements of the polynomials are numbers, specifically the coefficients of the polynomial terms. The repetition in your question about various Car X, Car Y and dots at various hash marks appears to be irrelevant data as it does not correlate with the synthetic division problem.

However, to apply synthetic division, we would need a specific polynomial to carry out the process. In synthetic division, a box is drawn, the coefficients of the polynomial are written in that box, and then the divisor is placed outside the box. From there, the numbers inside the box are manipulated, in a step-by-step manner, based on the divisor. The numbers derived from this process are the coefficients of the answer. Without this specific data, we cannot accurately determine what number belongs in the place of the question mark.

Learn more about Synthetic Division here:

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The volume inside a rectangular storage room is 2,088 cubic feet. The room is 3 feet high. Find the area of the floor.

Answers

ANSWER

The area of the floor is 696 square feet.

EXPLANATION

It was given that, the volume inside a rectangular storage room is 2,088 cubic feet.

The rectangular room is a rectangular prism.

The volume of a rectangular prism is

[tex]V = floor \: area \times height[/tex]

The height of the room is 3 ft.

This implies that,

[tex]2088= floor \: area \times3[/tex]

Divide both sides by 3.

[tex] \frac{2088}{3} = floor \: area [/tex]

[tex]floor \: area = 696 {ft}^{2} [/tex]

The area of the floor is 696 square feet.

Poly thinks that the graphs of exponential and logarithmic functions are complete opposites.

What do you think she means by that?

Be sure to express your thoughts clearly and use correct mathematical language in your explanation.

Answers

Answer:

Step-by-step explanation:

"opposite" and "opposites" are confusing when encountered in algebra and arithmetic.

In this case, the correct description of graphs of functions and their inverses follows:  the graphs are reflections of each other in the line y = x.  To call these graphs "opposites" would be misleading and incorrect.

9. Given the point (6,-8) values of the six trig function.

10. Given that cot theta = -r3/2 in Quad II, find the state the six trig ratios. ​

Answers

Answer:

Here's what I get.

Step-by-step explanation:

9. (6, -8)

The reference angle θ is in the fourth quadrant.

∆AOB is a right triangle.

OB² = OA² + AB² = 6² + (-8)² = 36 + 64 = 100

OB = √100 = 10  

[tex]\sin \theta = \dfrac{-8}{10} = -\dfrac{4}{5}\\\\\cos \theta =\dfrac{6}{10} = \dfrac{3}{5}\\\\\tan \theta = \dfrac{-8}{6} = -\dfrac{4}{3}\\\\\csc \theta = \dfrac{10}{-8} = -\dfrac{5}{4}\\\\\sec \theta = \dfrac{10}{6} = \dfrac{5}{3}\\\\\cot \theta = \dfrac{6}{-8} = -\dfrac{3}{4}[/tex]

10. cot θ = -(√3)/2

The reference angle θ is in the second quadrant.

∆AOB is a right triangle.

OB² = OA² + AB² = (-√3)² + (2)² = 3 + 4 = 7

OB = √7

[tex]\sin \theta = \dfrac{2}{\sqrt{7}} = \dfrac{2\sqrt{7}}{7}\\\\\cos \theta = \dfrac{-\sqrt{3}}{\sqrt{7}} = -\dfrac{\sqrt{21}}{7}\\\\\tan \theta = \dfrac{2}{-\sqrt{3}} = -\dfrac{2\sqrt{3}}{3}\\\\\csc \theta = \dfrac{\sqrt{7}}{2} \\\\\sec \theta = \dfrac{\sqrt{7}}{-\sqrt{3}} = -\dfrac{\sqrt{21}}{3}\\\\\cot \theta = -\dfrac{\sqrt{3}}{2}[/tex]

A company will make a cereal box with whole number dimensions and a volume of 100 cubic centimeters. if cardboard costs $0.05 per 100 square centimeters, what is the least cost to make 100 boxs

Answers

Answer:

The best dimension to use to have the least cost to make 100 boxes is 5 x 5 x 4. It only costs $6.50 to make 100 boxes.

Step-by-step explanation:

A recipe calls for 1/6 of a cup of white sugar and 3/6 of a cup of brown sugar. What is the total amount of sugar in the recipe?

Answers

Answer:

2/3 cup

Step-by-step explanation:

Add 1/6 cup and 3/6 cup, obtaining 4/6 cup of sugar, total.

4/6 reduces to 2/3.

The total amt of sugar in the recipe is 2/3 cup.

Simplify negative 5 minus the square root of negative 44 negative 5 minus 4 times the square root of 11 i negative 5 minus 4 i times the square root of 11 negative 5 minus 2 i times the square root of 11 negative 5 minus 2 times the square root of 11 i

Answers

To simplify negative 5 minus the square root of negative 44, you need to use imaginary numbers. The expression simplifies to -5 minus 2i√11. Hence, the correct answer is Option B.

To simplify
negative 5 minus the square root of negative 44, we need to work with imaginary numbers. Recall that the square root of -1 is defined as i, which is the imaginary unit. Using this, we can simplify the given expression step-by-step:

Recognize that
√-44 can be written as
√(-1 × 44).

Since
√(-1 × 44) = √(-1) × √44, and
√(-1) = i, we get
i × √44.

Now, we simplify
√44:
√44 = √(4×11) = 2√11.

Therefore,
i × √44 = 2i√11.

Putting it all together,
-5 - √-44 becomes
-5 - 2i√11.

Hence, the correct answer is
Option B. negative 5 minus 2 i times the square root of 11.

The fully simplified form of the expression is [tex]-25 - 14i \sqrt{11}[/tex]

To simplify the expression [tex]-5 - \sqrt{-44} - 5 - 4 \cdot \sqrt{11} i - 5 - 4i \cdot \sqrt{11} - 5 - 2i \cdot \sqrt{11} - 5 - 2 \cdot \sqrt{11} i[/tex], we will follow these steps:

Understanding Square Roots of Negative Numbers:
The square root of a negative number can be written using the imaginary unit [tex]i[/tex], where [tex]i = \sqrt{-1}[/tex].

Thus, we can rewrite [tex]\sqrt{-44}[/tex] as follows:
[tex]\sqrt{-44} = \sqrt{-1 \cdot 44} = \sqrt{-1} \cdot \sqrt{44} = i \cdot \sqrt{44}[/tex]
Note that [tex]\sqrt{44} = \sqrt{4 \cdot 11} = 2\sqrt{11}[/tex].

Thus,
[tex]\sqrt{-44} = 2i \sqrt{11}[/tex]
Now substituting this into the expression gives us:
[tex]-5 - 2i \sqrt{11} - 5 - 4 \cdot \sqrt{11} i - 5 - 4i \cdot \sqrt{11} - 5 - 2i \sqrt{11} - 5 - 2\sqrt{11} i[/tex]  

Combining Like Terms:
Now combine all the real parts and the imaginary parts separately in the expression:  

Real Part:
[tex]-5 - 5 - 5 - 5 - 5 = -25[/tex]

Imaginary Part:
[tex]-2i\sqrt{11} - 4i\sqrt{11} - 4i\sqrt{11} - 2i\sqrt{11} - 2i\sqrt{11}[/tex]
Combining these gives:
[tex]-2i \sqrt{11} - 4i \sqrt{11} - 4i \sqrt{11} - 2i \sqrt{11} - 2i \sqrt{11} = -14i\sqrt{11}[/tex]

Final Result:
Combining the real and imaginary parts, we get:
[tex]-25 - 14i \sqrt{11}[/tex]

What transformation to the linear parent function, f(x) = x, gives the function g(x) = x + 8?

A. Shift 8 units left.
B. Shift 8 units down.
C. Vertically stretch by a factor of 8.
D. Shift 8 units right.

Answers

Answer:D

Step-by-step explanation:

The function g(x) = x + 8 is the result of the linear parent function f(x) = x shifting 8 units to the left. The addition of a positive constant to x corresponds to a leftward shift on the graph. Hence correct option A.

The student's question pertains to the transformation of a linear parent function, which is f(x) = x, to the function g(x) = x + 8. In analyzing the transformation, we must identify what changes were made to the parent function to obtain the new function. The addition of 8 to the independent variable x in the function indicates that there should be a shift along the x-axis.

Shifting the graph of a function parallel to the x-axis is denoted by the form f(x - a). If a positive constant is subtracted from x, the graph shifts to the right. Thus, f(x - 8) would represent a shift of 8 units to the right. Conversely, adding a positive constant to x, which is the case in g(x) = x + 8, signifies a shift of 8 units left. Therefore, the correct answer is:

A. Shift: 8 units left.

State the order and type of each transformation of the graph of the function ƒ(x) = –|(x + 6)| + 4 as compared to the graph of the base function.

A) left 6 units, up 4 units, reflection about the x-axis

B) left 6 units, reflection about the x-axis, up 4 units

C) right 6 units, up 4 units, reflection about the y-axis

D) left 6 units, reflection about the y-axis, up 4 units

Answers

Answer:

A) left 6 units, up 4 units, reflection about the x-axis  

Step-by-step explanation:

The given absolute value function is

ƒ(x) = –|(x + 6)| + 4

The base function is

[tex]g(x)=|x|[/tex]

There is a transformation of the form;

[tex]-g(x+b)+c[/tex]

The base function is shifted left 6 units. (+b means left shift) and shifted up 4 units (+4 means upward vertical shift), and reflected in the x-axis , (-g(x)) means reflection in the x-axis.

The correct choice is A.

Answer:

A) left 6 units, up 4 units, reflection about the x-axis

Step-by-step explanation:

[tex]f(x) = -|x + 6| + 4[/tex]

For absolute function , the parent function is [tex]f(x)=|x|[/tex]

f(x) ---> f(x+a) , the graph will be shifted 'a' units to the left

6 is added with x so, we move graph 6 units left.

f(x) ---> f(x)+a , the graph will be shifted 'a' units up

4 is added with x. So, we move graph 4 units up

f(x) ---> -f(x) , the graph will be reflected over x-axis

we have negative sign in the front of the equation, so there will be a reflection about the x-axis

The order of transformation is

moving left 6 units, moving up by 4 units and a reflection about x-axis

A triangle with a base of 1/4 meter has an area of 8 square meters. What is the height, in meters, of the triangle? A. 1 B. 12 C. 32 D. 64

Answers

Answer:

D.64

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

Givens

A = 8 square meters.

B = 1/4 meter

h = ?

Formula

A = 1/2 B * h

Solution

8 = 1/2 1/4 * h     Combine

8 = 1/8 * h           Multiply by 8

8*8 = 1/8 * 8 * h

h =64 m

D answer

==============

I had to edit this to get it. Give the brainliest to the other responder.

Which of the following equations can be used to find the length of BC in the triangle below??? Help :)

Answers

Answer:

D

Step-by-step explanation:

Using Pythagoras' identity on the right triangle

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, hence

(BC)² = 10² + 30² → D

The equation that is needed to find the length of BC is [tex]BC^2 = 10^2 + 30^2[/tex].

The correct option is D.

To find the length of side BC in the triangle ABC, we can use the Pythagorean theorem, which relates the lengths of the sides of a right triangle. In this case, triangle ABC has a right angle at angle BAC.

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides. We can use this theorem to find the length of BC.

Let BC be denoted as x. According to the Pythagorean theorem, we have:

[tex]BC^2 = AB^2 + AC^2[/tex]

Substituting the given values, we get:

[tex]BC^2 = 10^2 + 30^2[/tex]

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The mean and standard deviation for the heights of men in the U.s are 70 inches and 4 respectively and normally distributed.....

Answers

Answer:

12%

Step-by-step explanation:

We are informed that the heights of men in the U.S are normally distributed with a mean of 70 inches and a standard deviation of 4 inches. We need to determine the percent of men whose height falls between 65 and 67 inches. We would first evaluate the probability that the height of a randomly selected individual would fall between 65 and 67 inches;

This can be done in stat-crunch;

Click Stat, highlight on Calculators then click Normal

In the pop-up window that appears click Between

Enter the given values of mean and standard deviation; 70 and 4 respectively

Enter the values 65 and 67 in the next set of boxes in that order

Finally, click on compute;

Stat-Crunch returns a probability of 0.12097758. Therefore, the percent of men whose height falls between 65 and 67 inches is 12.10%. Therefore, the solution is 12%.

HEY YA'LL 30 PTS FOR 1 PROBLEM!
Given: m∠EYL=1/3 the measure of arc EHL
Find: m∠EYL.

Answers

Answer:

45

Step-by-step explanation:

Two tangents drawn to a circle from an outside point form arcs and an angle, and this formula shows the relation between the angle and the two arcs.

m<EYL = (1/2)(m(arc)EVL - m(arc)EHL)      Eq. 1

The sum of the angle measures of the two arcs is the angle measure of the entire circle, 360 deg.

m(arc)EVL + m(arc)EHL = 360

m(arc)EVL = 360 - m(arc)EHL      Eq. 2

We are given this:

m<EYL = (1/3)m(arc)EHL       Eq. 3

Substitute equations 2 and 3 into equation 1.

(1/3)m(arc)EHL = (1/2)[(360 - m(arc)EHL) - m(arc)EHL]

Now we have a single unknown, m(arc)EHL, so we solve for it.

2m(arc)EHL = 3[360 - m(arc)EHL - m(arc)EHL]

2m(arc)EHL = 1080 - 6m(arc)EHL

8m(arc)EHL = 1080

m(arc)EHL = 135

Substitute the arc measure just found in Equation 3.

m<EYL = (1/3)m(arc)EHL

m<EYL = (1/3)(135)

m<EYL = 45

select the angle that correctly completes the law of cosines for this triangle

Answers

Answer:

Final answer is C. 28°.

Step-by-step explanation:

Given equation is [tex]15^2+17^2-2\left(15\right)\left(17\right)\cos\left(\theta \right)=8^2[/tex].

Now we need to find the missing value of [tex]\theta[/tex] using cosine formula. So let's compare the given equation [tex]15^2+17^2-2\left(15\right)\left(17\right)\cos\left(\theta \right)=8^2[/tex] with cosine formula [tex]b^2+c^2-2\left(b\right)\left(c\right)\cos\left(A\right)=a^2[/tex].

we get [tex]\theta =A[/tex]

which is basically the angle between given sides 15 and 17

Hence A=28°.

So the final answer is 28°.

Problem situation: Anna is at the movie theater and has $35 to spend. She spends $9.50 on a ticket and wants to buy some snacks. Each snack costs $3.50. How many snacks, x, can Anna buy? Inequality that represents this situation: 9.50+3.50x?35 Drag each number to show if it is a solution to both the inequality and the problem situation, to the inequality only, or if it is not a solution. 4 314 912 4.25 ?2 2 Solution to BOTH the inequality and the situation Solution to the inequality ONLY NOT a solution

Answers

Answer:

The answer in the procedure

Step-by-step explanation:

Let

x-----> the number of snacks

we  know that

The inequality that represent this situation is

[tex]9.50+3.50x\leq 35[/tex]

Solve for x

[tex]3.50x\leq 35-9.50[/tex]

[tex]3.50x\leq 25.50[/tex]

[tex]x\leq 7.3\ snacks[/tex]

The maximum number of snacks is 7

The solution for the inequality is all real numbers less than or equal to 7.3 snacks

The solution for the problem situation is all whole positive numbers less than or equal to 7 snacks

Verify each case

case 1) 4 snacks

Is a solution to both the inequality and the problem situation

case 2) 314 snacks

Is not a solution

case 3) 912 snacks

Is not a solution

case 4) 4.25 snacks

Solution to the inequality ONLY

Answer:

solution to both: 2,4

solution to inequality ONLY: -2,4.25,3 1/4

NOT a solution: 9 1/2

Step-by-step explanation:

yw ;)

the time to complete a project, T, varies inversely with the number of employees, E, if 6 employees can complete the project in 7 days, hoy long will it take 12 employees?o

Answers

Answer:Add T with e and thats your answer.

Step-by-step explanation:

Please simplify, 50 points.

(sin Θ - cos Θ) - (sin Θ + cos Θ)^2

Answer choices are attached.

Answers

Answer:

The trigonometric equation  (sin Θ − cos Θ)^2 − (sin Θ + cos Θ)^3 can be simplified by:Using x for Θ: (sinx - cosx)^2 - (sinx + cosx)^2 = (sin^2 x - 2sinxcosx + cos^2 x) - (sin^2 x + 2sinxcosx + cos^2 x) = - 2 sinx cosx - 2 sinx cosx = - 4 sinx cosx = - 2sin(2x)

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

Expand (sinΘ + cosΘ)²

= sinΘ - cosΘ - (sin²Θ + 2 sinΘcosΘ + cos²Θ)

= sinΘ - cosΘ - sin²Θ - 2sinΘcosΘ - cos²Θ

= sinΘ - cosΘ - 2sinΘcosΘ - (sin²Θ + cos²Θ)

= - 2sinΘcosΘ - cosΘ + sinΘ - 1 → D

Which statement justifies that 3x2 − 2x − 4 multiplied by 2x2 + x − 3 obeys the closure property of multiplication? The result 6x4 − 2x2 + 12 has a degree of 4. The result 6x4 − 2x2 + 12 is a trinomial. The result 6x4 − x3 − 19x2 + 2x + 12 is a polynomial. The result 6x4 − x3 − 19x2 + 2x + 12 has a degree of 4.

Answers

Answer:

The result [tex]6x^4-x^3-19x^2+2x+12[/tex].

is a polynomial.

Step-by-step explanation:

The first polynomial is [tex]3x^2-2x-4[/tex].

The second polynomial is [tex]2x^2+x-3[/tex]

The closure property of multiplication states that if we multiply two polynomials the result must be a polynomial.

The product of these two polynomials is :

[tex](3x^2-2x-4)(2x^2+x-3)=6x^4-x^3-19x^2+2x+12[/tex].

We can see that the result is still a polynomial.

Answer: I believe the answer is C) The result 6x4 − x3 − 19x2 + 2x + 12 is a polynomial. !!!!!!!!

Solve the inequalities by graphing. Select the correct graph.

5 x + 2 y 3
y x

Answers

Final answer:

To solve the inequalities by graphing, transform each inequality into an equation form, plot the lines on the graph, and identify the overlapping region that satisfies both inequalities. The lines are 5x + 2y ≥ 3 and y ≥ x, with appropriate slopes and y-intercepts.

Explanation:

To solve the inequalities by graphing, we need to transform each inequality into a graphable equation form and then use the properties of the lines to find the solution set. The inequalities in question are:

 

Let's graph each inequality one by one:

For the inequality 5x + 2y ≥ 3, convert it to y-intercept form (y = mx + b) by isolating y: 2y ≥ -5x + 3, y ≥ -2.5x + 1.5. This line has a slope (m) of -2.5 and a y-intercept (b) of 1.5.To graph y ≥ x, simply draw a line with a slope of 1 and a y-intercept of 0, which is the identity line where y equals x.

The solution to the system of inequalities will be the region on the graph where both conditions are satisfied, typically above the lines in this case because both inequalities are greater than or equal to.

Always label your graph with f(x) and x, and select an appropriate scale for the x and y axes to ensure all important points and lines are visible on the graph.

The provided figures and instructions on slope and graphing help us understand how to plot each line based on their equations. Using the slope-intercept form, we graph the lines and identify the intersection or overlapping regions that satisfy both inequalities.

A 360 degree rotating sprinkler that sprays water at a radius of 11 feet is used to water a lawn. What is the Area of the lawn that is watered by this sprinkler ?

Answers

Answer:

[tex]Area=121\pi ft^2[/tex] in terms of [tex]\pi[/tex].

Step-by-step explanation:

A 360 degree rotating sprinkler will water a full circular region of the lawn.

The area of this circular region is calculated using the formula:

[tex]Area=\pi r^2[/tex]

where r=11 feet is the radius of the circular region covered.

We substitute the value of the radius into the formula to get:

[tex]Area=\pi \times 11^2[/tex]

[tex]Area=121\pi ft^2[/tex] in terms of [tex]\pi[/tex].

This is approximately [tex]380.1 ft^2[/tex] to the nearest tenth

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