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lilavasa [31]
3 years ago
15

(-7)+(-4)+7 What is the answer to this

Mathematics
2 answers:
Maurinko [17]3 years ago
8 0

Answer:

-4

Step-by-step explanation: (-7)+(-4)+7= -4 ~ +4 = -11 + 7 = -4

Zanzabum3 years ago
7 0

Answer:

The answer is -4

Step-by-step explanation:

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Help get 20 points for you!
ruslelena [56]

Answer:

7x6 = 42

Step-by-step explanation:

J = 42

3 0
3 years ago
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An account grows at an annual interest rate of r⁡​ ⁣, so it grows by a factor of x=1+r⁡​ ⁣⁣ ​⁡ each year. The function A(x)=800x
Paladinen [302]

Given:

Annual interest rate = r⁡​%

Growth factor : x = 1 + r⁡​

The below function gives the amount in the account after 4 years when the growth factor is x⁡​ ⁣⁣.

A(x)=800x^4+350x^3+500x^2+600x

To find:

The total amount in the account if the interest rate for the account is 3% each year and initial amount.

Solution:

Rate of interest = 3% = 0.03

Growth factor : x = 1 + ⁡0.03 = 1.03

We have,

A(x)=800x^4+350x^3+500x^2+600x

Substitute x=1.03 in the given function, to find the total amount in the account if the interest rate for the account is 3% each year.

A(1.03)=800(1.03)^4+350(1.03)^3+500(1.03)^2+600(1.03)

A(1.03)=800(1.12550881)+350(1.092727)+500(1.0609
)+618

A(1.03)=900.407048+382.45445+530.45+618

A(1.03)=2431.311498


A(1.03)\approx 2431.31


Therefore, the total amount in the account is 2431.31 if the interest rate for the account is 3% each year.

For initial amount the rate of interest is 0.

Growth factor : x = 1 + ⁡0 = 1

Substitute x=0 in the given function to find the initial amount.

A(1)=800(1)^4+350(1)^3+500(1)^2+600(1)

A(1)=800+350+500+600

A(1)=2250

Therefore, 2250 was put into the account at the beginning.

3 0
3 years ago
This table represents the proportional relationship between the number of boxes and the number of magnetic cubes held by the box
Zinaida [17]
Your answer would be C.
Have a good day!
3 0
3 years ago
Can anyone answer me pls I need help
Afina-wow [57]

Answer:

4,9

Step-by-step explanation:

i looked it up on a website,uhhhhh i don't know if its completely write soooo.....

8 0
3 years ago
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5% of a number is 23​
kari74 [83]

Answer:

460

Step-by-step explanation:

5%(calculated %)of what number equals 23?

Answer is 460

I hope it's helpful!

4 0
2 years ago
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