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ruslelena [56]
3 years ago
5

What number is 18.5% of 80?

Mathematics
1 answer:
adoni [48]3 years ago
8 0

Answer:

14.8

Step-by-step explanation:

If you are allowed a calculator, the formula to find the percentage is found by multiplying the percentage by the whole number. For example, when you put in the calculator, 18.5% x 80= 14.8

14.8 being your answer. I hoped this helped!

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Write an equation of the line, in point-slope form, that passes through the two given points.
Marat540 [252]

Answer:

(y-8) = -1/2(x+17)

Step-by-step explanation:

slope = (-2 - 8) / (3 - (-17)) = -10 / 20 = -1/2

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Step-by-step explanation:

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3 years ago
Hernando's salary was 49,500. last year his year salary was cut to 44,050. Find the percent decrease.
Pavlova-9 [17]

Answer:

Step-by-step explanation:

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3 years ago
Replace ∗ with a monomial so that the trinomial may be represented by a square of a binomial: 25a^2+ ∗ + 1/4b^2
Nadya [2.5K]
The square of a binomial is a pattern you would do well to remember.
.. (x +y)^2 = x^2 +2xy +y^2

Your expression has x^2 = 25a^2, so x = 5a. It also has y^2 = (b^2)/4, so y = b/2.
then the middle term is
.. 2xy = 2(5a)(b/2) = 5ab

The trinomial is
.. 25a^2 +5ab +(1/4)b^2 = (5a +b/2)^2
7 0
4 years ago
The volume of a cube is 2.744m square , find the length of one side of the cube.
Ksenya-84 [330]

Answer:

The length of one side of the cube is 1.4 m

Step-by-step explanation:

we know that

In a cube the length, the width and the height is the same

so

The volume of a cube is

V=b^{3}

where

b is the length side of the cube

In this problem we have

V=2.744\ m^3

substitute and solve for b

2.744=b^{3}

b=\sqrt[3]{2.744}\ m

b=1.4\ m

therefore

The length of one side of the cube is 1.4 m

5 0
3 years ago
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