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3 years ago

What percentage of a dollar is the value of 1 nickel and 3 pennies?

Mathematics

1 answer:

yaroslaw [1]3 years ago

8 0

Answer:

50%

Step-by-step explanation:

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What is the area of the yellow triangle?

lesantik [10]

I can't see pictures, but to find the area of a triangle, you multiply the dimensions, as you would a rectangle, but divide the area by 2.

For example, the dimensions of a triangle are 4 and 6.

Multiply the two.

4x6=24.

But don't stop there. Divide 24 by 2.

24/2=12.

So the area of the example triangle is 12.

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hope it helps

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3 years ago

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ivanzaharov [21]

Answer:

3.60

Step-by-step explanation:

1.44/0.4 is 3.60

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3 years ago

Find the sum of the geometric. Remember to show work and explain.

Allushta [10]

Answer: 393.75

<u>Step-by-step explanation:</u>

$\sum\limits^6_1 {400\bigg(\dfrac{1}{2}\bigg)^n}\\\\n=1:\ 400\bigg(\dfrac{1}{2}\bigg)^1\quad =200\\n=2:\ 400\bigg(\dfrac{1}{2}\bigg)^2\quad =100\\n=3:\ 400\bigg(\dfrac{1}{2}\bigg)^3\quad =50\\n=4:\ 400\bigg(\dfrac{1}{2}\bigg)^4\quad =25\\n=5:\ 400\bigg(\dfrac{1}{2}\bigg)^5\quad =12.5\\n=6:\ 400\bigg(\dfrac{1}{2}\bigg)^6\quad =6.25\\.\qquad \qquad \qquad \qquad \quad \_\_\_\_\_\_\_\_\_\_\\\\.\qquad \qquad \quad \quad \text{Sum}=\large\boxed{393.75}$

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3 years ago

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