Which of the following is a linear function?

Mathematics

1 answer:

Black_prince [1.1K]2 years ago

6 0

Answer:

Step-by-step explanation:

the only it has constant rate of change (slope, gradient or derivative at every point is equal)

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21 is 42% of what number

Step2247 [10]

21 is 42% of 50 , So the correct answer is 50

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2 years ago

Solve 6 1/2 + 7 3/8 - 6 1/2

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Answer:

Step-by-step explanation:

6 1/2 - 6 1/2 + 7 3/8 =

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2 years ago

If 3a-2b= 8 and a+3b=7 what is the value of 4a+b?

Fittoniya [83]

Step 1: Find the value of one variable in terms of the other.

$a+3b=7\\a=7-3b$

Step 2: Substitute the value you just found for this variable in the other equation.

$3a-2b=8\\3(7-3b)-2b=8\\21-9b-2b=8\\21-11b=8\\21=8+11b\\13=11b\\\frac{13}{11}=b\\ b=1\frac{2}{11}$

Step 3: Use your new value for the second variable to find the first.

$a+3b=7\\a+3(1\frac{2}{11})=7\\a+3\frac{6}{11}=7\\\\a=3\frac{5}{11}$

Now that we know the values for a and b we can find the value of 4a+b.

$4a+b\\4(3\frac{5}{11})+1\frac{2}{11}\\12+\frac{20}{11}+1\frac{2}{11}\\\\12+1\frac{9}{11}+1\frac{2}{11}\\\\\boxed{15}$

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3 years ago

What is 569993885.5908653<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20587" id="TexFormula1" title="x^{2} 587" alt="x^{2} 587"

Yanka [14]

99 forgive me if i’m wrong

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1 year ago

Read 2 more answers

Does anyone know this and can help please

adelina 88 [10]

Answer:

$\frac{y^7z^3}{x}$