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Pepsi [2]
3 years ago
11

I am in pre-algebra and i need help answering a question for homework..

Mathematics
2 answers:
Sliva [168]3 years ago
6 0

2x-2=4x-6

Subtract 4x from both sides of the equation

-2x-2=6

Add two to both sides of the equation.

-2x=8

Devide by -2

x=-4

Elenna [48]3 years ago
3 0

the answer is x is equal to -4

x=-4

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In the algebraic expression 7/y, what is the coefficient of y? Explain
Alex777 [14]
7/y....the coefficient of y is 1

any time u have a variable by itself, whether it is x or y or any letter, the coefficient is gonna be 1




3 0
3 years ago
The probability that a child will learn to swim before age 6 is 0.312. If you take a group of 12 children, what is the probabili
vagabundo [1.1K]

Answer:

The probability of 1 or less children from that group to learn how to swim before 6 years of age is 0.072

Step-by-step explanation:

In this case we need to compute the probability of none of these 12 children learns to swim before 6 years of age. This is given by:

p(0) = (1 - 0.312)^(12) = 0.688^(12) = 0.01124

We now need to calculate the probability that one child learns to swim before 6 years of age.

p(1) = 12*0.312*(1 - 0.312)^(11) = 3.744*(0.688)^(11)

p(1) = 3.744*0.01634

p(1) = 0.0612

The probability of 1 or less children from that group to learn how to swim before 6 years of age is:

p = p(0) + p(1) = 0.01124 + 0.0612 = 0.07244

6 0
3 years ago
If a container contains 18,000 ounces (oz) of beans, about how many pounds (lb) does it contain? [1 pound = 16 ounces] 70 lb 1,1
Margarita [4]

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Step-by-step explanation:


8 0
2 years ago
Read 2 more answers
Find the radius of a circle that has an area of 6.76 cm². Use it for pi.
Inessa05 [86]

Answer:

<h2>radius = 1.47 cm</h2>

Step-by-step explanation:

Area of a circle = πr²

where

r is the radius

From the question

Area = 6.76 cm²

To find the radius substitute the value of the area into the above formula and solve for the radius

That's

6.76 = \pi \:  {r}^{2}

Divide both sides by π

We have

{r}^{2}  =  \frac{6.76}{\pi}  \\ r =  \sqrt{ \frac{6.76}{\pi} }

r = 1.46689291

We have the final answer as

radius = 1.47 cm

Hope this helps you

8 0
3 years ago
Use complete sentences to describe how to graph -6 on a number line.
Katen [24]

First of all u draw a number line, then u labbel it, then go to zero, n count 6 negative steps, ok in simple terms move backwards thrice

4 0
3 years ago
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