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3 years ago

What is the area? 5 yd 2 yd 10 yd square yards

Mathematics

1 answer:

pickupchik [31]3 years ago

5 0

The area in yards is 5

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Javier's parents set an amount of money aside when he was born. They earned 4.5% simple interest on that money each year. When J

solmaris [256]

Answer:

Javier's parents set aside $1500 when he was born

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

$E = P*I*t$

In which E is the interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

In this question, we have that:

$E = 1012.50, t = 15, I = 0.045$

We have to find P. So

$E = P*I*t$

$1012.50 = P*15*0.045$

$P = \frac{1012.50}{15*0.045}$

$P = 1500$

Javier's parents set aside $1500 when he was born

6 0

2 years ago

Which expression represents the number 5i4+2i3+8i2+−4 rewritten in a+bi form?

aniked [119]

Remember
i²=-1 so
i³=-i
i⁴=1

so
5i⁴+2i³+8i²-4
5(1)+2(-i)+8(-1)-4
5-2i-8-4
-7-2i is the form

8 0

3 years ago

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A ladder 15 feet long leans against the top of a structure at a 60 degree angle to the ground. What is the height of the buildin

Goshia [24]

Answer:

height of the building is 12.99 feet.

Step-by-step explanation:

given, try to analyse:

ladder 15 feet long.
60 degree angle to the ground.

the height of the building is opposite to the angle 60° and given hypotenuse, the ladder of 15 feet long.

using sine rule:

$sin(x) = \frac{opposite}{hypotenuse}$

$sin(60) = \frac{opposite}{15}$

$opposite = sin(60) *15$

$opposite = 12.99feet$

Therefore the height of the building is 12.99 feet.

7 0

2 years ago

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Any one solve these

Anastaziya [24]

Answer:

Here is your answer . Hope this helps you.

6 0

2 years ago

4(2x+1) What is the answer??????¿

Assoli18 [71]

Answer:

8x+4

Step-by-step explanation:

4 0

3 years ago

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