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muminat
3 years ago
15

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box. _(x-3)+2x=-

( x-5)+4 Which number should she place in the box?
1.)–3
2.)–1
3.)1
4.)3
Mathematics
2 answers:
andreyandreev [35.5K]3 years ago
4 0
<span>In order for an equation to have an infinite number of answers, the simplified equation should be x=x. In evaluating the above equation, -3 inserted in the box results in this simplified equation. The answer is therefor #1: -3</span>
qaws [65]3 years ago
4 0

Answer:

A.: -3 is the correct answer

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
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Natasha_Volkova [10]

Answer:

Jay's estimate is closer to the actual weight of the basketball

Step-by-step explanation:

The standard weight of an NBA basketball is 1.4 pounds.

Judging the accuracy of Jay's and Shawna's answer based on their percentage error when compared with the standard, we have that Jay's answer has a lower error as shown below

Error  = (Standard value - Estimated value)/ Standard Value ×100

Error in Jays answer = \frac{1.4 - 0.5}{1.4} × 100 = 64.28 %

Error in Shawna's answer = \frac{1.4 - 0.05}{1.4} × 100 = 96.42%

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8 0
3 years ago
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Vladimir [108]
<h3>Answer: Choice B. f(x) = 100 - 68x</h3>

Work Shown:

Solve for y. Then replace y with f(x).

680x + 10y - 1000 = 0\\\\10y - 1000 = -680x\\\\10y = -680x + 1000\\\\y = \frac{-680x + 1000}{10}\\\\y = \frac{-680x}{10} + \frac{1000}{10}\\\\y = -68x + 100\\\\y = 100 - 68x\\\\f(x) = 100 - 68x\\\\

Effectively this involves adding 1000 to both sides and subtracting 680x from both sides, afterward we divide both sides by 10 to isolate y.

4 0
3 years ago
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Ostrovityanka [42]
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Answer:

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Step-by-step explanation:

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Check:

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3 years ago
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