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Andrew [12]
3 years ago
12

Which statements are true? Check all that apply.

Mathematics
1 answer:
LenaWriter [7]3 years ago
7 0

Answer: ACE

The radius of the cone is 9 units

The height of the cone is 12 units

The volume of the cone is represented by the expression 1/3 pie (9)2(12)

Step-by-step explanation:

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Answer:

-5, -2, -1, 0, 7

the answer is D

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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enot [183]
Your first point would be on (0, 2), the vertex. Then, put a point on (-2, 22). Hope that helps!
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3 years ago
Victoria recently switched to a new electric company. If she uses between 0 and 400 kilowatt-hours (kWh) of electricity per mont
Gekata [30.6K]

Answer:

see the explanation

Step-by-step explanation:

<em><u>The question is </u></em>

Identify the domain and the range, using words and inequalities

Let

x -----> the number of kilowatt-hours (kWh) of electricity per month

y ----> the price per month

we know that

Part 1) For the value of x between 0 kWh and 400 kWh

0\ kWh \leq x < 400\ kWh

The price is equal to

y=\$30

therefore

The domain is the interval ------> [0,400)

The domain is all real numbers greater than or equal to 0 kWh  and less than 400 kWh

The range is ($30)

The range is equal to $30

Part 2) For the value of x equal to 400 kWh or more per month

x\geq 400\ kWh

The domain is the interval -----> [400, infinite)

The domain is all real numbers greater than or equal to 400 kWh

The price is

y=0.097x

<em>Find the range</em>

For x=400 kWh

y=0.097(400)=\$38.8

so

y\geq \$38.8

The range is the interval -----> [38.8, infinite)

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luda_lava [24]

Answer:

2

Step-by-step explanation:

I think :)

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