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nasty-shy [4]
2 years ago
14

2 – 3х + 5х = 16 — 8х + 8x

Mathematics
2 answers:
KengaRu [80]2 years ago
7 0
X=7

=>2-3x+5x=16-8x+8x
=>2+2x= 16
=> 2x= 16-2
=> 2x= 14
=> x=7
IgorLugansk [536]2 years ago
3 0

Answer:

2 – 3х + 5х = 16 — 8х + 8x

2 - 8x = 16

8x = 14,

x = 1.75

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Square A has a side length of (2x - 7) and Square B has a side length (-4x + 18). How much bigger is the perimeter of Square B t
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Answer: 100 - 24x

Step-by-step explanation:

The formula for calculating the perimeter of a square is given by :

P = 4l , where l is the length of the side.

Perimeter of square A will be

P = 4 ( 2x - 7 )

P = 8x - 28

Perimeter of square B will be ;

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P = - 16x + 72

Perimeter of square B - Perimeter of square A implies

-16x + 72 - ( 8x - 28 )

-16x + 72 - 8x + 28

collecting the like terms

-16x - 8x + 72 + 28

-24x + 100

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3 years ago
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7/12 x 1/8 Find the product of in simplified form​
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Answer:

7/96

Step-by-step explanation:

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6 0
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alexandr402 [8]

Answer:

There is enough evidence not to reject the claim.

Step-by-step explanation:

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Ha: The population proportion of Americans in favor of cigarette outlawing is not 0.23.

Critical value approach

z = (p' - p) ÷ sqrt[p(1 - p) ÷ n]

p' is sample proportion = 54/200 = 0.27

p is population proportion = 23% = 0.23

n is number of Americans sampled = 200

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The test is a two-tailed test because the alternate hypothesis is expressed using not equal to.

Critical value at 0.05 significance level is 1.96

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Conclusion:

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There is enough evidence not to reject the claim because the claim is contained in the null hypothesis (H0).

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