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2 years ago

Which pair is equivalent? 5/4 & 1 2/4 . 4 6/7 & 7/34. 3 3/5 & 18/5. 12/9 & 2 3/9

Mathematics

1 answer:

Drupady [299]2 years ago

8 0

3 3/5 & 18/5 are both equivalent

Step-by-step explanation:

3 3/5 = 18/5

<u>Write the mixed number as an improper fraction</u>

Step 1: Multiply the denominator by the whole number

5 × 3 = 15

Step 2: Add the answer from Step 1 to the numerator

15 + 3 = 18

Step 3: Write answer from Step 2 over the denominator

18/5

Therefore, 3 3/5 is equivalent to 18/5

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Find the perimeter and area of a rectangle with a length of 3.2m and a width of 1.5m

Trava [24]

Area is multiplying the width and the length so
area= 3.2 × 1.5 = 4.8
and perimeter is adding all sides together so
perimeter= 3.2 + 3.2 + 1.5 + 1.5 = 9.4

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2 years ago

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If you borrow $840.00 and you pay back 1/5 how much do you still owe?

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Hello, I Am BrotherEye

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2 years ago

Betsy pours 16 cups of water to equally fill 2 bottles.how many cups of water are in each bottle?label the tape diagram to repre

Neporo4naja [7]

There would be 8 cups of water in each bottle because 16 divided by 2 is 8.

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3 years ago

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What is the name the special hat worn during Mardi Gras?

PilotLPTM [1.2K]

Hello!!

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2 years ago

If the angle of elevation of the sun is 61.7° when a building casts a shadow of 56.5 feet, what is the height of the building ro

maksim [4K]

SOLUTION

Let us use a simple diagram to interprete the question

In the diagram above, the dark stuff below represents the shadow and the rectangular bar represents the building. I have labelled the height of the building as h.

So we will use the right-angled triangle formed to find h

As we can see h represents the opposite side and 56.5 feet represents the adjacent side of the right-angle triangle. So we will use TOA

$\text{TOA tan }\theta=\frac{opposite}{\text{adjacent}}$

So we have

$\begin{gathered} \text{ tan }\theta=\frac{opposite}{\text{adjacent}} \\ \text{ tan }61.7\degree=\frac{h}{56.5} \\ 1.8572015=\frac{h}{56.5} \\ \text{cross multiplying, we have } \\ h=1.8572015\times56.5 \\ h=104.931887 \end{gathered}$

Hence the answer is 104.9 feet to the nearest tenth

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8 months ago

Which pair is equivalent? 5/4 & 1 2/4 . 4 6/7 & 7/34. 3 3/5 & 18/5. 12/9 & 2 3/9​

Which pair is equivalent? 5/4 & 1 2/4 . 4 6/7 & 7/34. 3 3/5 & 18/5. 12/9 & 2 3/9