What the answer to this problem?

Mathematics

1 answer:

Gnesinka [82]3 years ago

7 0

Step-by-step explanation:

we simply use the formula and use 3.14 for pi.

so, the circumference is

2×pi×r = 2×3.14×4 = 3.14×8 = 25.12 in

so, D is correct.

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3x+1. I need to find and write an equation for x

Alchen [17]

Answer:

$x =\frac{-1}{3}$

Step-by-step explanation:

As the given algebraic expression is

$3x+1$

In order to solve the expression $3x+1$ for x, we have to

$3x+1=0$

Step 1: Subtract 1 from both sides

$3x+1-1=0-1$

$3x=-1$

Step 2: Divide both sides by 3.

$\frac{3x}{3} =\frac{-1}{3}$

$x =\frac{-1}{3}$

Therefore, $x =\frac{-1}{3}$

Keywords: equation, solution

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8 0

3 years ago

Which function below has the lowest y intercept?

neonofarm [45]

Our first function is g(x). Al had two dozen donuts means that two dozen is the y-intercept of this function. A dozen equals 12, therefore two dozens is 24. Every cubicle he passed, he lost 2 donuts is the slope of the function and it is negative, that is -2, thus:

$g(x)=-2x+24 \\ \\ \boxed{y-intercept = 24}$