3 years ago

What percent is equivalent to 2.5

Mathematics

1 answer:

SOVA2 [1]3 years ago

5 0

Answer:

250%

Step-by-step explanation:

there not an explanation I just know

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True or false a system of equations including a line and a parabola can have only 2 solutions

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False, it can have none when the line does not touch the parabola, one when the line touches at one point, and 2 when the line intersects in two places.

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Find the area of a circle with a circumference of 34.6 feet

andrew11 [14]

Answer:

Area of the circle = $95.33feet^2$

Step-by-step explanation:

Circumference of the circle=34.6 feet

Circumference of a circle= $2\pi r$

$34.6=2\pi r\\\\$

As, $\pi =\frac{22}{7}=3.14$

$34.6=2*3.14*r\\\\34.6=6.28*r\\\\34.6/6.28=r\\\\r=5.51feet$

Area of the circle= $\pi r^2$

$=3.14*5.51*5.51\\\\=3.14*30.36\\\\=95.33feet^2$

The area of the circle is $95.33feet^2$

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3 years ago

Katy makes 48 cookies an hour. If she has 24 alr, how long would it take her to make 120?

rosijanka [135]

Question:

Katy makes 48 cookies an hour. If she has 24 already, how long would it take her to make 120?

Answer:

It takes 2.5 hours for Katy to make 120 cookies

Step-by-step explanation:

Given:

Time taken to make 48 cookies = 1 hour

To Find:

Time taken to make 120 cookies = ?

Solution:

Time taken to make 48 cookies = i hour

So now time taken to make 1 cookie = $\frac{1}{48} hour$

So time taken to make 120 cookies

= Number of cookies X time taken to make one cookie

=> $120 \times \frac{1}{48}$

=> $\frac{120}{48}$

=> 2.5 hours

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WARRIOR [948]

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Step-by-step explanation:

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