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Gnesinka [82]
3 years ago
14

Can anybody help me with "a" ?

Mathematics
2 answers:
Leto [7]3 years ago
7 0
I am glad i could help. If you liked the answers could I please get a brainliest.

xxMikexx [17]3 years ago
3 0

it would be about 27.5

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Jacob plans to work at his family's restaurant this summer to make some extra money. His parents have agreed to pay him $9.75 pe
san4es73 [151]

Answer:

There is a direct relationship between the amount of money that Jacob earns and the number of hours he works.

Step-by-step explanation:

In math, a direct relationship exists when a change in one variable causes another variable to change in the same manner. E.g. if variable X increases, then variable Y will increase. If variable X decreases, then variable Y will decrease.

In this case, if Jacob works 25 hours per week, he will earn $243.75. If he works 30 hours, he will earn $292.50. But if he only works 20 hours, he will earn $195.

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3 years ago
What is the coefficient of x in 4+3y²+x?
Anni [7]

the coefficient of x is 1

8 0
11 months ago
Find the fourth roots of 256(cos 240° + i sin 240°).
Mashcka [7]

Answer with Step-by-step explanation:

We are given that

We have to find the fourth roots of given complex number.

(256)^{\frac{1}{4}}=(4^4)^{\frac{1}{4}}=4^^{\frac{1}{4}\times 4}=4

By using the formula

(a^b)^x=a^{bx}

\theta=240^{\circ}

\theta=\frac{240}{4}=60^{\circ}

Angle of rotation=\frac{360}{4}=90^{\circ}

Therefore, the four roots of given complex number are

4(cos 60^{\circ}+i sin60^{\circ})

4(cos150^{\circ}+i sin150^{\circ})

4(cos240^{\circ}+isin 240^{\circ})

4(cos330^{\circ}+i sin330^{\circ})

8 0
2 years ago
The sum of two numbers is
Artyom0805 [142]
8 &16 have good luck .
3 0
3 years ago
If the diameter of a sphere is 1 meter, then what is its surface area? Leave your answer in terms of π= 3.14
umka21 [38]

surface area = 4 x pi x r^2

 diameter = 1 so radius = 1/2 = 0.5

4 x 3.14 x 0.5^2 = 3.14 meters^2

3 0
3 years ago
Read 2 more answers
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