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3 years ago

14

The graph shows the relationship between the number of pizzas in the number of people the pizzas will feed at a party. How many

pizzas will it take to feed 40 people?
A. 10
B. 12
C. 15
D. 20

2 answers:

Studentka2010 [4]3 years ago

7 0

One pizza serves four people so, you will need 10 pizzas for 40 people so that make the answer (A.)

VMariaS [17]3 years ago

4 0

Answer: The answer is A

Step-by-step explanation:

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zimovet [89]

Answer:

there would be 55 different combinations if there were 9 painting and there would be 49 different combinations if there were 8 paintings. i don't know what the first question means

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3 years ago

Find the volume and round to the nearest tenth as needed

erastovalidia [21]

Answer:

1053 m^3

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2 years ago

PLZ HELP!!!!!! (WILL GIVE BRAINLIEST!!!!)

Doss [256]

Mato's rectangular prism's volume is
40
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3 years ago

Identify the x-intercepts of the function below f(x)=x^2+12x+24

damaskus [11]

<u>ANSWER: </u>

x-intercepts of $\mathrm{x}^{2}+12 \mathrm{x}+24=0 \text { are }(-6+2 \sqrt{3}),(-6-2 \sqrt{3})$

<u>SOLUTION:</u>

Given, $f(x)=x^{2}+12 x+24$ -- eqn 1

x-intercepts of the function are the points where function touches the x-axis, which means they are zeroes of the function.

Now, let us find the zeroes using quadratic formula for f(x) = 0.

$X=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Here, for (1) a = 1, b= 12 and c = 24

$X=\frac{-(12) \pm \sqrt{(12)^{2}-4 \times 1 \times 24}}{2 \times 1}$

$\begin{array}{l}{X=\frac{-12 \pm \sqrt{144-96}}{2}} \\\\ {X=\frac{-12 \pm \sqrt{48}}{2}} \\\\ {X=\frac{-12 \pm \sqrt{16 \times 3}}{2}} \\\\ {X=\frac{-12 \pm 4 \sqrt{3}}{2}} \\ {X=\frac{2(-6+2 \sqrt{3})}{2}, \frac{2(-6-2 \sqrt{3})}{2}} \\\\ {X=(-6+2 \sqrt{3}),(-6-2 \sqrt{3})}\end{array}$

Hence the x-intercepts of $\mathrm{x}^{2}+12 \mathrm{x}+24=0 \text { are }(-6+2 \sqrt{3}),(-6-2 \sqrt{3})$

8 0

3 years ago

Select "Yes" or "No" to indicate whether the ordered pair is on the graph of the function f(x)=−9^x+1 .

Vinil7 [7]

I'm assuming your function is f(x) = -9^(x+1)
So we just have to plug in and see if the function is true.

1) -9^(0+1) = -9^1 = -9
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2) -9^(1+1) = -9^2 = -81
NO

3) -9^(-1+1) = -9^0 = -1
YES

5 0

3 years ago