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EastWind [94]
3 years ago
10

3. If 2x +9 32, then x could be 11.5?

Mathematics
2 answers:
kvv77 [185]3 years ago
6 0
2x+9= 32
2x= 32-9
2x= 23
x= 23:2
x= 11.5
hodyreva [135]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

We can see step by step how to solve for x, and get 11.5:

2x+9=32

Subtrract the 9 from both sides. You should always try to get the number on one side, and the variable on the other:

2x+9-9=32-9

=

2x=23

In the end, once the number values are on one side, and the variable value on the other, you want you varaible to be 1.

When I mean 1, I mean you want 1x, or just x.

Here we see 2x=23, meaning we need to divide both sides by 2, to get 1x:

2x/2=23/2

=

x=11.5

So x equals 11.5, and you were correct.

Hope this helps!

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inn [45]

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when they have equal sides and the exact shape and the same angle measures. they have tobe the same size.

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Colin invests £2350 into a savings account. The bank gives 4.2% compound
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Answer:

Answer:

£3692

Step-by-step explanation:

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

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P = principal = £2350

r = interest rate = 4.2% = 0.042

n = number of periods = 1(annual)

t = time = 4 years

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

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= 2350(1 + 0.042)^4

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A = £2770.42

Total years = 10

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= 6 years

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P = £2770.42

r = 4.9% = 0.049

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t = 6

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

= 2770.42(1 + 0.049/1)^1*6

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Thank you!

5 0
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Step-by-step explanation:

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