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SpyIntel [72]
3 years ago
11

Solve for x. x-0.3x=28

Mathematics
1 answer:
Svetlanka [38]3 years ago
5 0

Answer: x=40

Step-by-step explanation x-0.3x=28

Add similar elements x-0.3x=0.7x

0.7x=28

Multiply both sides by 10

0.7x · 10= 28  · 10

Refine

7x=280

Divide both sides by 7

Simplify

x = 40

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Jason borrowed $6,000 at 8% simple interest for 2 years. how much does he pay back? how much interest did he pay?
Step2247 [10]
6000 x 0.08 x 2 = 960

answer: interest $960

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3 0
3 years ago
A square pool is surrounded by a paved area that is 2 metres wide. If the area of the paving is 72m2, what is the length of the
likoan [24]

The length of the square pool is 8. 49cm

<h3>How to determine the area</h3>

Note that the formula for finding the area of a square is given as;

Area = length^2

We have

Area = 72 m²

Substitute into the formula

I^2 = 72

Find the square root of both sides

I= √72

I = 8. 49cm

The length of the square pool given as I is 8. 49cm

Thus, the length of the square pool is 8. 49cm

Learn more about area of a square here:

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5 0
2 years ago
Write the first 4 terms of the arithmetic sequence With first term 37 and common difference 9
alexandr402 [8]

Answers:

first term = 37

second term = 46

third term = 55

fourth term = 64

==========================================

Explanation:

Start at 37. Add 9 to this term to get the second term. Add 9 to that result to get the next term, and so on.

first term = 37

second term = 37+9 = 46

third term = 46+9 = 55

fourth term = 55+9 = 64

-----------

The nth term formula is

a(n) = 9n+28

It can be found by plugging a = 37 and d = 9 into the general form

a(n) = a + d*(n-1)

4 0
3 years ago
Read 2 more answers
there are 15 oranges available to be cut up for a hockey team. Each member of the team will get two third of an orange. Using op
Yuki888 [10]
Each member of the team will get two thirds of an orange.
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3 years ago
Sara had some buns she sold 5/9 of them, if she has 128 buns left. How many bums did she have at first?
mina [271]

Step-by-step explanation:

Maybe she had

128 + 9 = 137 buns

7 0
3 years ago
Read 2 more answers
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