4 years ago

Use 10 x8 to help solve 9×8

Mathematics

1 answer:

il63 [147K]4 years ago

5 0

10 x 8 = 80... 80 - 8 = 72

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A student spends 12% of his or her money on a book. After buying the book, the student has $120.12 left.

dezoksy [38]

Answer:

$136.50

Step-by-step explanation:

100 - 12 = 88% (How much percentage of money the student left)

88% = 120.12

1% = 120.12 ÷ 88 = 1.365

Before buying the book, the student had 100%

100% = 1.365 x 100 = 136.50

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3 years ago

Is WXY ~ ZYV? Justify your answer. The image is not drawn to scale.

Nataliya [291]

I hope this helps you

8 0

3 years ago

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Which number sentence is true?

aliya0001 [1]

The answer is A) 1,73<2,1

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3 years ago

a flag pole that is 8 feet tall casts a shadow that is 6 ft long a nearby tree casts a shadow that is 21 ft long. How tall is th

Andru [333]

Answer:

The tree is 28 feet tall.

Step-by-step explanation:

It is given that:

Height of flag pole = 8 feet

Shadow of flag pole = 6 feet

Ratio of height to shadow = 8 : 6

Shadow of nearby tree = 21 feet

Height of nearby tree = x

Ratio of height to shadow = x : 21

8 : 6 :: x : 21

Product of means = Product of extremes

6x = 8*21

6x = 168

Dividing both sides by 6

$\frac{6x}{6}=\frac{168}{6}\\x=28$

Therefore,

The tree is 28 feet tall.

7 0

3 years ago

1/4 increase by 1/2 What is the percent?

sergij07 [2.7K]

So you would first divide 1/4 by 2 to get 1/8 and then you would add 1/8 to 1/4 to get 3/8 ,since 1/4 is 2/8. 3/8 is eqivalent to 37.5%

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3 years ago