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3 years ago

What is 70/80 as a decimal

Mathematics

1 answer:

Len [333]3 years ago

3 0

70/80 as a decimal is 0.875

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16/20. We reduce that and get 4/5.

After this it's much simpler to chage it.

100 dividied by 5 is 20. (20,40,60,80,100)

So the 4th number (4/100)

is 80. 80%.

20% she didn't and 80% she did :) (100-80)

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3 years ago

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Is the answer to this b?

marysya [2.9K]

Answer:

2. $2.31

Step-by-step explanation:

25% off, 75% to be paid

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80/100 × 26.75 = 21.4

18% off, 82% to be paid

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2 years ago

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2(x+3)/x(x-1) times 4x(x+2)/10(x+3)

Feliz [49]

Answer:

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2 years ago

What is the height of the tree in the image below? 10 points Wall 4 6 ft 24 O I foot O 36 foot None of the above

Zinaida [17]

16 ft

Explanation

Step 1

because the ligth comes in the same angle, we have 2 similar triangles .

so,as the triangles are similar,the ratio of the shorter leg to the bigger leg must be equal.

$\begin{gathered} ratio=\frac{shorter\text{ leg}}{\text{bigger leg}} \\ ratio1=ratio2 \\ \frac{h}{24}=\frac{4}{6} \end{gathered}$

Step 2

solve for h

$\begin{gathered} \frac{h}{24}=\frac{4}{6} \\ \text{cross multiply} \\ 6\cdot h=4\cdot24 \\ 6h=96 \\ \text{divide boths} \\ \frac{6h}{6}=\frac{96}{6} \\ h=16 \end{gathered}$

therefore, the heigth of the tree is 16 ft

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7 months ago

The figures in the oval on the left are parallelograms. The figures in the oval on

kozerog [31]

Answer:

The answer is C

Step-by-step explanation:

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2 years ago