3 years ago

Only 30 minutes please help

Mathematics

1 answer:

andrezito [222]3 years ago

4 0

Answer:

B, and i don't for the second one

Step-by-step explanation:

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arah is keeping up with how many miles her car gets per gallon. She starts with a full tank. After 448 miles, she fills up with

baherus [9]

Since a coordinate is written as (x,y) then the x-value is 14 and the y-value is 448. Therefore, the answer is 448. Hope I helped!

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3 years ago

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Alexxx [7]

Answer:

Step-by-step explanation:

Antonia: 150 x 12 + 4,500 = 6,300

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Becky bought a magazine for $3.90, and the sales tax was 8.25%. How much sales tax did Becky pay on the magazine?

igor_vitrenko [27]

Answer:

32 cents

Step-by-step explanation:

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3 years ago

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What is the relative frequency of male passengers?

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4 years ago

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The volume of a cone is 3πx3 cubic units and its height is x units. Which expression represents the radius of the cone’s base, i

dalvyx [7]

Answer:

Step-by-step explanation:

<u>The Volume of a Cone</u>

The volume of a cone of radius r and height h is:

$\displaystyle V=\frac{1}{3}\pi hr^2$

We are given the volume of a cone is

$V=3\pi x^3$

Equating:

$\displaystyle \frac{1}{3}\pi hr^2=3\pi x^3$

Multiplying by 3:

$\pi hr^2=9\pi x^3$

Simplifying by pi:

$hr^2=9 x^3$

Since h=x:

$xr^2=9 x^3$

Dividing by x:

$r^2=9 x^2$

Taking square roots:

$r=\sqrt{9 x^2}=3x$

Thus: r=3x

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3 years ago

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Only 30 minutes please help​

Only 30 minutes please help