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3 years ago

What is the nearest dollar if it's 3.75?

Mathematics

1 answer:

Semenov [28]3 years ago

6 0

$3.75 would be rounded up and changed to $4

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What are some prime numbers please list as many as you know :)))

snow_tiger [21]

Answer:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc.

Step-by-step explanation:

Prime numbers are numbers that have only 2 factors: 1 and themselves. By contrast, numbers with more than 2 factors are call composite numbers.

3 0

3 years ago

The sum of the areas of two circles is 80 pie square meters. Find the length of a radius of each circle if one of them is twice

Svetach [21]

Answer:

The radius of the circles are $4\ m$ and $8\ m$

Step-by-step explanation:

Let

x-----> the radius of larger circle

y----> the radius of smaller circle

we know that

$\pi x^{2} +\pi y^{2}=80\pi$

$x^{2} +y^{2}=80$ -----> equation A

Remember that

$x=2y$ -----> equation B

substitute equation B in equation A and solve for y

$(2y)^{2} +y^{2}=80$

$4y^{2} +y^{2}=80$

$5y^{2}=80$

$y^{2}=16$

$y=4\ m$

Find the value of x

$x=2y$

$x=2(4)=8\ m$

therefore

The radius of the circles are $4\ m$ and $8\ m$

4 0

2 years ago

45% to a decimal ples help out

yan [13]

Answer:

45% = 0.45

Step-by-step explanation:

45%

= $\frac{45}{100}$

= 0.45

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Aleks [24]

Answer:

true

Step-by-step explanation:

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2 years ago