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2 years ago

30+12=?(5+2) what factor is missing from the equation?

Mathematics

2 answers:

GaryK [48]2 years ago

7 0

Answer:

? = 6

Step-by-step explanation:

30 + 12 = 42

42 = ?(7)

we have to answer this question: what is the number that multiply at 7 gives as result 42?

the answer is 6

Nesterboy [21]2 years ago

5 0

Answer:

the answer would be 6

Step-by-step explanation:

42 divided by 6 is 7

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$\boxed{\boxed{f(x)=6(5)^x}}$

<h2>Explanation:</h2>

An exponential function is given by the following form:

$y=ab^x \\ \\ Where: \\ \\ a \ is \ a \ constant \ and \ b \ is \ the \ base$

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$\bullet \ (0,6) \\ \\ x=0, \ y=6 \\ \\ 6=ab^0 \\ \\ \boxed{a=6} \\ \\\ \\ \bullet \ (3,750) \\ \\ x=3, \ y=750 \\ \\ 750=6b^3 \\ \\ b^3=\frac{750}{6} \\ \\ b=\sqrt[3]{125} \\ \\ \boxed{b=5}$

Finally, our exponential function is:

$\boxed{\boxed{f(x)=6(5)^x}}$

<h2>Learn more:</h2>

Behavior of functions: brainly.com/question/12891789

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