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2 years ago

Math is my answer correct?? pls check!

Mathematics

2 answers:

Luba_88 [7]2 years ago

6 0

Answer:

Domain: (-2 , 3]

Range: [-3, 2)

Step-by-step explanation:

Domain is all the x's on the graph. (If you have an equation, then it's all the numbers that are allowed to be x)

Range is all the y's on the graph (or if you have an equation, all the possible y outcomes)

Open dot endpoint means that point is not included in the set (domain and range are sets of numbers) Closed dot means the point is included.

You didn't get this math question right. But look for all the x's for the domain, and all the y's for the range.

DIA [1.3K]2 years ago

6 0

Use graphing calculator if needed I suggest so yeah. Hope you got help

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What is y=2x-3 y=-3/4x-1/4 with work shown please help

makvit [3.9K]

2X-3 = -3/4x -1/4
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Add -3/4x on both sides: 2.75X = 2.75
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3 years ago

1/2 inch of rain fell during 3/4 of an hour. What is the unit rate of rainfall in inches per hour

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2 years ago

A 6 inch personal pizza has 640 calories, with 240 of those from fat. A 12 inch pizza is cutinto 8 slices. Estimate the number o

MissTica

Given:

Number calories in a 6-inch pizza = 640 calories

For the pizza of 6 inch

$A=\pi(3)^2=9\pi$

For the pizza of 12 inch

$A=\pi(6)^2=36\pi$

Number calories in a 6-inch pizza = 640 calories, therefore:

$\frac{A_{6\text{ inch}}}{A_{12\text{ inch}}}=\frac{640}{x}$

Substitute:

$\begin{gathered} \frac{9\pi}{36\pi}=\frac{640}{x} \\ Simplify \\ \frac{1}{4}=\frac{640}{x} \end{gathered}$

And solve for x:

$\begin{gathered} 1\cdot x=4\cdot640 \\ x=2560 \end{gathered}$

Now, Estimate the number of calories in one slice of a 12 inch pizza:

$\frac{2560}{8}=320$

Answer: 320 calories

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