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4 years ago

What is the solution for 72x + 7 =223

1 answer:

3 0

First, we need to take 223 and subtract 7. That gives us 216. Then divide 216 by 72, and that will give you the answer of 3. x = 3.

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The radius of a car wheel is 12 inches. How far will the car travel and 15 revolutions of the wheel?

viktelen [127]

R = 12 inches, the radius of the wheel.

The circumference of the wheel is
2πr = 2π(12) = 24π inches.

WHen the wheel makes 15 revolutions, the car will travel 15 times the circumference, which is
15*(24π) = 360π inches = 1131 inches.

Answer: 1131 inches

7 0

3 years ago

How much money did Gemma have left in her checking account

lara [203]

Answer:

This can be solved by subtracting 584 from 2,054.

2,054-584

=1470

Step-by-step explanation:

Gemma would have $1470 left in her checking account. hope this helps you :)

7 0

3 years ago

Correct answer will get brainliest

Sophie [7]

Answer:

4.) Choice B

5.) Choice A

Step-by-step explanation:

Question 4:

First you have to solve for y to get slope intercept form.

$2x-5y=6\\5y=-2x+6\\y=-\frac{2}{5}x+\frac{6}{5}$

The slope is a fraction but you need it to convert it to a decimal so that'll be Choice B.

Question 5:

For this one I we will use this formula $m= \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

I will choose the easy pairs to plug it in $(-12,-2) (20,6)$

$\frac{6--2}{20--12}\\\\\\\frac{8}{32}=\frac{1}{4}$

The slope is a fraction again but you can convert it and that'll be Choice A.

5 0

3 years ago

Find a solution of the quadratic equation.6x squared + 7x + 2 =0

worty [1.4K]

Given the equation:

$6x^2+7x+2=0$

We will use the following rule to find the solution to the equation:

$x=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}$

From the given equation: a = 6, b = 7, c = 2

So,

$\begin{gathered} x=\frac{-7\pm\sqrt[]{7^2-4\cdot6\cdot2}}{2\cdot6}=\frac{-7\pm\sqrt[]{1}}{12}=\frac{-7\pm1}{12} \\ x=\frac{-7-1}{12}=-\frac{8}{12}=-\frac{2}{3} \\ or,x=\frac{-7+1}{12}=-\frac{6}{12}=-\frac{1}{2} \end{gathered}$

So, the answer will be option B) x = -1/2, -2/3

5 0

1 year ago

11m-8-6m=22 What are the terms??

larisa86 [58]

11m-6m = 22+8
5m = 30
m = 6

Hope I helped :)

4 0

4 years ago