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2 years ago

81 is 45% of what number

Mathematics

2 answers:

wolverine [178]2 years ago

6 0

Im pretty sure it would be 180 hope i helped

riadik2000 [5.3K]2 years ago

5 0

<span>45 percent of 180 = 81</span>

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When a number is decreased by 18, the result is 14. what is the number

Serggg [28]

X is the number

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the result is 14

18-x=14
minus 18 both sides
-x=-32
times both sides by -1
x=32

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2 years ago

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neonofarm [45]

Answer:

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Note that the midpoint formula is:

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Find the midpoint of the segment with the following end points (10,5) and (6,9)

Taya2010 [7]

Answer:

The mid-point between the endpoints (10,5) and (6,9) is:

$\left(x,\:y\right)=\left(8,\:7\right)$

Step-by-step explanation:

Let (x, y) be the mid-point

Given the points

(10,5)

(6,9)

Using the formula to find the mid-point between the endpoints (10,5) and (6,9)

$\left(x,\:y\right)=\left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)$

Here:

$\left(x_1,\:y_1\right)=\left(10,\:5\right),\:\left(x_2,\:y_2\right)=\left(6,\:9\right)$

Thus,

$\left(x,\:y\right)=\left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)$

$\left(x,\:y\right)=\left(\frac{6+10}{2},\:\frac{9+5}{2}\right)$

$\left(x,\:y\right)=\left(8,\:7\right)$

Therefore, the mid-point between the endpoints (10,5) and (6,9) is:

$\left(x,\:y\right)=\left(8,\:7\right)$

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2 years ago