what is the y-coordinate of the image of P(3,-4) after a reflection in the x-axis?

Answer:

b

Step-by-step explanation:

The square of 2 and the resultant is multiplied by 3 then subtract by 2. Then the correct option is B.

A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.

The function is given below.

f(x) = 3x² - 2

The value of the function at x = 2 will be given as,

f(2) = 3(2)² - 2

The square of 2 and the resultant is duplicated by 3 then, at that point, taken away by 2. Then, at that point, the right choice is B.

More about the function link is given below.

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answer:

y=5.5x

explanation:

rise over run=rise/run= x/y

for every t shirt or "y" multiply 5.5 and it will give u the total cost or"x"

Answer:

1.  mean

2. population

3. statistics

4. survey

5. mode

6. standard deviation

7. random

8. interquartile range

9. median

10. census

Step-by-step explanation:

Answer:

The value of a7 is 128

Step-by-step explanation:

* Lets revise the rule of the geometric series

-There is a constant ratio between each two consecutive numbers

- Ex:

# 5  ,  10  ,  20  ,  40  ,  80  ,  ………………………. (×2)

# 5000  ,  1000  ,  200  ,  40  ,  …………………………(÷5)  

* General term (nth term) of a Geometric series:

# a1 = a  ,  a2  = ar  ,  a3  = ar2  ,  a4 = ar3  ,  a5 = ar4

# an = ar^n-1, where a is the first term , r is the constant ratio

   between each two consecutive terms , and n is the position

   of the term in the series

* Now lets solve the problem

∵ a = 2

∵ r = -2

* To find a7 put n = 7

∵ an = a (r)^n - 1

∴ a7 = 2 (-2)^(7 - 1) = 2 (-2)^6

∵ (-2)^6 = 64 ⇒ even power canceled the negative sign

∴ a7 = 2 (64) = 128

∴ The series is : 2 , -4 , 8 , -16 , 32 , -64 , 128 , ............

* The value of a7 is 128

Answer:

-2/3

Step-by-step explanation:

To find the slope of two points

m = (y2-y1)/ (x2-x1)

    = (-4-2)/(1--8)

   = (-4-2)/(1+8)

   = -6/9

   -2/3

Answer:

[tex]\large\boxed{\text{The slope}\ m=-\dfrac{2}{3}}[/tex]

Step-by-step explanation:

The formula of a slope:

[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

We have the points (-8, 2) and (1, -4). Substitute:

[tex]m=\dfrac{-4-2}{1-(-8)}=\dfrac{-6}{9}=-\dfrac{6}{9}=-\dfrac{6:3}{9:3}=-\dfrac{2}{3}[/tex]

The remainder would be 1/4 of the pizza. 1/4 is equivalent to 2/8 of the pizza. This 2/8 can be easily divided for both sons. Therefore the answer would be each son would receive 1/8 of the pizza.

Answer:

28

Step-by-step explanation:

Answer:

x = 14

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

here n = 6, hence

sum = 180° × 4 = 720°

Each exterior angle plus it's interior angle = 180°

Subtract each exterior angle from 180 to obtain interior angle

180 - 80 = 100, 180 - 56 = 124, 180 - 61 = 119, 180 - 43 = 137, 180 - 92 = 88

The 6 th interior angle is the sum of the 5 interior angles subtracted from 720

6 th angle = 720° - (100 + 124 + 119 + 137 + 88)° = 720° - 568° = 152°

The 6 th angle and 2x sum to 180 ( same reason as given above )

2x + 152 = 180 ( subtract 152 from both sides )

2x = 28 ( divide both sides by 2 )

x = 14

Answer:

x = 1 + t and y = 2.5 + 0.75t

Step-by-step explanation:

Parametric equations are the equations in which the all the variables of the equation are written in terms of a single variable. For example in 2-D plane, the equation of the line is given by y=mx+c, there x is the independent variable, y is the dependent variable, m is the slope, and c is the y-intercept. The equation of the given line is -3x + 4y = 7. The goal is to convert the variables x and y in terms of a single variable t. First of all, take two points which lie on the line. By taking x=1, y comes out to be 2.5 and by taking x=0, y comes out to be 2.5. The general form of the straight line is given by:

(x, y) = (x0, y0) + t(x1-x0, y1-y0), where (x, y) is the general point, (x0, y0) is the fixed point, t is the parametric variable, and (x1-x0, y1-y0) is the slope.

Let (x0, y0) = (1, 2.5) and (x1, y1) = (0, 1.75). Substituting in the general equation gives:

(x, y) = (1, 2.5) + t(1, 0.75). This implies that x = 1 + t and y = 2.5 + 0.75t!!!

Answer:

x=t, y=(3/4)t+(7/4)

Step-by-step explanation:

We start by changing the equation the slope-intercept form.

4y=3x+7

y=(3/4)x+(7/4)

then we set x equal to t

x=t

and substitute

y=(3/4)t+(7/4)

that's it.

I would think A. i just tried to figure it out on my own but forgive me if I'm wrong but I'm positive I'm right

Answer:

201.06 square feet

Step-by-step explanation:

area of a circle is given by πr², where π = 3.1416

A = 3.1416 * 8²

A = 3.1416 * 64 = 201.0624 square feet

A = 201.06 square feet

Answer:

f+5, g-10, 10-g, and 1/2p

Hope This Helps!   Have A Nice Day!!

Answer:

A: F + 5

B: g - 10

C: 10 - g

D: P divided by 2

Answer:

Step-by-step explanation:

The formula of a sum of a geometric sequence:

[tex]S_n=\dfrac{a_1(1-r^n)}{1-r}[/tex]

We have

[tex]a_1=1,\ a_2=-6,\ a_3=36,\ ....\\\\r=\dfrac{a_2}{a_1}\to r=\dfrac{-6}{1}=-6[/tex]

Substitute:

[tex]a_1=1,\ n=7,\ r=-6:\\\\S_7=\dfrac{1(1-(-6)^7)}{1-(-6)^7}=\dfrac{1-(-279936)}{1+6}=\dfrac{279937}{7}=39991[/tex]

Answer: 10 pounds of force

Answer:

10 lb of force are needed to lift the rock if the distance from the fulcrum is 6 feet.

Step-by-step explanation:

From the given graph it is clear the curve passing through the point (1.5,40), (2,30), (2.5,24), (3,20) and (4,15).

These points satisfy by the equation

[tex]y=\frac{60}{x}[/tex]

where, x is the distance in feet from the fulcrum and y is needed force in pounds.

Put x=6 in this equation,

[tex]y=\frac{60}{6}=10[/tex]

Therefore, 10 lb of force are needed to lift the rock if the distance from the fulcrum is 6 feet.

Answer:

No.

Step-by-step explanation:

You can not simplify this expression before multiplying it, because no whole numbers go into both 14 and 27, and also no whole numbers go into both, 25 and 27. This is the correct answer to this question.

Hope this helps!!!

Kyle.

Before multiplying in the expression 14×25/27, try to simplify. Simplify 25/27 first, which gives an approximate decimal 0.9259. Multiply the approximation by 14, which gives the approximately 12.9626.

Yes, you can simplify before multiplying in the given expression, 14×25/27. This follows the mathematic principle of simplifying terms prior to engaging in the operation. Here's how you can do it:

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Answer:

£166 : £581

Hope this helps :)

Have a great day !

5INGH

Step-by-step explanation:

2 + 7 = 9

747 ÷ 9 = 83

2 : 7

( × 83 both sides )

166 : 581

Answer:

3.2

Step-by-step explanation:

it is closer to 3.2 than 3.3

Answer: 3.2

Step-by-step explanation:

2 is the the tenths place and 4 is in the hundredths. .24 rounded to .2 is now the tenths therefore 3.2 is the tenths place

This is the order you need to use to solve this problem: PEMDAS

(Parentheses, Exponents, Multiplication, Division, Addition, Subtraction)

So you start with P and make your way down to S

(2x + 3)(x - 6) - 2x² + 3x + 30    First multiply (2x + 3)(x - 6) (distribute)

(2x)x - (2x)6 + (3)x - (3)6 = 2x² - 12x + 3x - 18 = 2x² - 9x - 18

(2x²- 9x - 18) - 2x² + 3x + 30    Simplify by combining like terms

-6x + 12

Answer:

- 6x + 12

Step-by-step explanation:

Expand the product of factors

= 2x² - 12x + 3x - 18 - 2x² + 3x + 30 ← collect like terms

= (2x² - 2x²) + (- 12x + 3x + 3x) + (- 18 + 30) ← simplify parenthesis

= 0 + (- 6x) + (12)

= - 6x + 12

Answer:

120 in^2

Step-by-step explanation:

Split the shape into a square and a rectangle, like you did. A square has all equal sides, so you know that 9 x 9= 81. If the whole length of the square and the triangle combined is 15, then you know the triangle base is 6. Multiply the height of the triangle by the base and .5 to get that area. Add everything together for the answer

ax² + bx + c = 0

You know:

a = -2

b = 1

c = 3

The 1st option is your answer

-2x² + x + 3 = 0

a = -2

b = 1

c = 3

Answer:

A: 0 = –2x2 + x + 3

Step-by-step explanation:

edge

Answer:

A. 1ft

Step-by-step explanation:

1 x 1 = 1 squared

So 1 foot x 1 foot = 1 square foot

Answer:

a. 1 ft

Step-by-step explanation:

The area of a square is found by using the formula

A = s^2 where s is the side length of the square

We know the area is 1 ft^2

1 = s^2

Take the square root of each side

sqrt(1) = sqrt(s^2)

1 = s

The side length is 1 ft

Answer:

Step-by-step explanation:

The formula of a volume of a cone:

[tex]V=\dfrac{1}{3}\pi r^2H[/tex]

r - radius

H - height

We have r = 4 u and H = 6 u. Substitute:

[tex]V=\dfrac{1}{3}\pi(4^2)(6)=\dfrac{1}{3}\pi(16)(6)=\dfrac{1}{3}\pi(96)=32\pi\ u^3[/tex]

[tex]\pi\approx3.14\to V\approx(32)(3.14)=100.48\ u^3[/tex]

If the cylinder has the same radius and height as a cone, then the volume of the cylinder is three times larger than the volume of the cone.

Therefore, the volume of acylinder:

[tex]V\approx3(100.48)=301.44\ u^3[/tex]

Why?

The formula of a volume of a cone:

[tex]V_{cone}=\dfrac{1}{3}\pi r^2H[/tex]

The formula of a volume of a cylinder:

[tex]V_{cylinder}=\pi r^2H[/tex]

Therefore

[tex]V_{cone}=\dfrac{1}{3}V_{cylinder}\to V_{cylinder}=3V_{cone}[/tex]

If the radius and height are the same.

Answer:

A cone has a radius of 4 units and a height of 6 units.

Its volume is

[100.48]

cubic units. If a cylinder has the same radius and the same height as the cone, then its volume is

[301.44]

cubic units.

Step-by-step explanation:

Answer: $0.25

Step-by-step explanation:

Let x be the total money was in her wallet and m be the cost of each petunia,

From the given table , the money left in wallet after purchasing 2 petunia =$6.50

Then we have the following equation :-

[tex]6.50=x-2m-----(1)[/tex]

Also, the money left in wallet after purchasing 8 petunia =$5

Then, we have

[tex]5=x-8m---------(2)[/tex]

Subtracting (2) from (1) , we get

[tex]6.50-5=-2m-(8m)\\\\\Rightarrow\ -2m+8m=1.50\\\\\Rightarrow\ 6m=1.50\\\\\Rightarrow\ m=\dfrac{1.50}{6}=0.25[/tex]

Hence, the price of one petunia = $0.25

Answer:

$.25

Step-by-step explanation:

Answer:

33

Step-by-step explanation:

Each holds 2.5*12 = 30 eggs.

1000/30 = 33.333333

So he fills 33 flats.

The number of flats he could fill is 33

Peterson needed to pack 1000 eggs into flats that held 2 1/2 dozen eggs. To find out how many flats he could fill, we need to calculate the total dozen eggs in 1000 and then divide by 2.5 dozen since each flat holds 2 1/2 dozen eggs.  One dozen equals 12 eggs. Therefore, 1000 eggs would be equivalent to 1000/12 = 83.33 dozen. To find the number of flats, we divide the total dozen eggs by the capacity of each flat in dozen: 83.33 dozen / 2.5 dozen = 33.33. This means Peterson can completely fill 33 flats, with a partial amount of eggs left over not sufficient to fill another flat completely.

ANSWER

See attachment

EXPLANATION

The given equations are:

y = −2x + 13

y = 2x − 3

We equate the two equations to get

−2x + 13=2x − 3

Group similar terms:

-2x-2x=-3-13

-4x=-16

Divide both sides by -4,

x=4

Put x=4 into equation (2)

y=2(4)-3

y=5

The two graphs should intersect at:

(4,5)

Answer: The answer is (4, 5)

Step-by-step explanation:

Answer:

[tex] \frac{3}{10} [/tex]

Step-by-step explanation:

First we need to find a common denominator for the fractions.

[tex] \frac{3}{2} + \frac{ - 6}{5} \: is \: to \: \frac{15}{10} + \frac{ - 12}{10} [/tex]

Now we just need to work out the result by adding the numerators.

[tex] \frac{15}{10} + \frac{ - 12}{10} = \frac{3}{10} [/tex]

Answer:

n = 2

Step-by-step explanation:

Given

- 6n + 21 = 12n - 15 ( collect terms in n on the left and numbers on the right )

Subtract 12n from both sides

- 18n + 21 = - 15 ( subtract 21 from both sides )

- 18n = - 36 ( divide both sides by - 18 )

n = 2

Answer:

4b+7

Step-by-step explanation:

7 beads= +7

4 packs= 4b

expression= 4b+7

The solution to the question "write an expression to show the total of beads that lina uses" is:

The number of beads Lina has = 7

The number of beads in the four packets = 4n

The total number of beads that Lina now has = 4n  +  7

The number of beads Lina originally has = 7

The number of additional packets bought = 4

Let the number of beads in each packet be n

Total number of beads in the 4 packets = 4  x  (number of beads in each packet)

Total number of beads in the 4 packets = 4n

The total number of beads that Lina now has = (The number of beads in the 4 packets)  +  (The number of beads she originally has)

The total number of beads that Lina now has = 4n  +  7

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The answer would be 3.175 kg

Answer:knee r

Step-by-step explaning

8.5 is the answer to your question

The square root of 73 is approximately 8.544. It lies between the perfect squares of 64 and 81. The square root cannot be represented exactly as an integer or a simple fraction.

To find the square root of 73, we recognize that it is not a perfect square. Thus, the square root cannot be represented exactly as an integer or a simple fraction. We use approximation methods or a calculator to find it.

Steps to Find the Approximate Square Root of 73:

So, the square root of 73 is about 8.544.

Answer:

17 $10s and 8 $20s

Step-by-step explanation: