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AlekseyPX
3 years ago
11

Write an equation that is proportional.

Mathematics
1 answer:
maksim [4K]3 years ago
5 0

Answer:Learn how to write a proportional equation y=kx where k is the so-called "constant of proportionality".

Step-by-step explanation:

https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-equations-of-proportional-relationships/v/equations-of-proportional-relationships#:~:text=Learn%20how%20to%20write%20a,called%20%22constant%20of%20proportionality%22.

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Jimmy invests $7,000 in an account that pays 3% interest compounded semi-annually. What is his balance after 8 years?
Bumek [7]

Answer:

$8882.9

Step-by-step explanation:

A=p(1+(r/n))^nt

Given:P=7000, r=(3÷100%)=0.03 , n=2, t=8

A = 7000(1+(.03/2))^(2×8)

A = 7000 (1+0.015)^16

A = 7000 × 1.015^16

A = $8882.9

7 0
2 years ago
F(x)=2x+3 find x=9 explain how you got the answer please help me I need the answer today
hram777 [196]
You would fill in 9 for x so your equation would be 2(9)+3 and you would then get 21. Therefore the answer is f(x)=21
6 0
3 years ago
What does how many mean?
Serga [27]
Divided by its a key word for example: Sally has 100 cookies she shares them with 9 friends how many cookies does each person get? including sly there are 10 people. so, it would be 100÷10 which is 10

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7 0
3 years ago
What is 2(2x+1) equivalent to
Nostrana [21]
2(2x+1)= (2 x 2x) + (2 x 1) = 4x + 2
6 0
3 years ago
Read 2 more answers
How do you find the answer for <br><br> 7(x-5)²=63
zepelin [54]

Answer:

Step-by-step explanation:

7(x-5)²=63

(x-5)²=63/7

\sqrt{ (x-5)^{2} } = \sqrt9 }

(x-5) = +/- 3

x = 5 + 3

or

x = 5- 3

x = 8 or 2

8 0
3 years ago
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