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3 years ago

Can someone help me please

Mathematics

2 answers:

Pepsi [2]3 years ago

7 0

It’s three to the eighth power i think!

lara31 [8.8K]3 years ago

3 0

Answer:

3^12

Step-by-step explanation:

when a power is to the power, you multiply the exponents

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A spool of rope contains 79 yards of rope. How many 4-foot pieces of rope can be cut from the spool? How much rope is left ov

mart [117]

<h2>Answer:</h2>

59 can be cut from the spool.

3 Inches is left over.

<h2>Step-by-step explanation:</h2>

237 feet in 79 yards.
237 / 4 = 59.25
59 is the whole number, .25 is what is left over.
.25 feet is 3 inches.

8 0

3 years ago

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Please hurry

Juli2301 [7.4K]

Answer:

Option C.

Step-by-step explanation:

Consider the below figure attached with this question.

The below figure represents the enlargement of a trapezoid. It means both trapezoid are similar.

We know that the corresponding sides of similar figures are proportional.

$\dfrac{18}{x}=\dfrac{10}{25}$

On cross multiplication we get

$(18)\times (25)=(10)\times x$

$(18)(25)=10x$

Therefore, the correct option is C.

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The radius of a circle is 4 kilometers. What is the area of a sector bounded by a 45° arc?

Alinara [238K]

I have no idea i’m struggling my self

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4. James and Terry open a savings account that has a 2.75% annual interest rate, compounded monthly. They

Zinaida [17]

$ 159,744.59 will be in the account after 20 years.

Answer: Option A

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

Need to find out the amount present in the account after 20 years. The formula to find out the future value is,

$\text {Future value}=p \times\left(\frac{\left(1+\frac{r}{n}\right)^{n t}-1}{\frac{r}{n}}\right)$

Here

p : amount deposit monthly =$500

r : rate of interest = $\frac{2.75}{100}$ = 0.0275

n : 12(compound monthly)

t : time =20

By substituting all the given datas in the above equation, we get

$\text { Future value }=500 \times\left(\frac{\left(1+\frac{0.0275}{12}\right)^{240}-1}{\frac{0.0275}{12}}\right)$

$\text {Future value}=500 \times\left(\frac{(1+0.002291)^{240}-1}{0.002291}\right)=500 \times\left(\frac{(1.732)-1}{0.002291}\right)$

$\text { Future value }=500 \times\left(\frac{0.732}{0.002291}\right)=500 \times 319.511=\$ 159,744.99$

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3 years ago

Hellllllllppppppppppppppppppppppp

SashulF [63]

Answer:

All of the degrees add up to 90. Therefore, right angle.

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3 years ago