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3 years ago

Which equation has solution x = -3?

Mathematics

2 answers:

VladimirAG [237]3 years ago

5 0

What are the equations for this

OleMash [197]3 years ago

3 0

Answer: 1/2(2x-6)=-6

That's the answer if your in k12!

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The sample variance of hourly wages was 10. what is the sample standard deviation?

lapo4ka [179]

<span>Standard deviation is defined as the quantity which expresses by how much the members of a group is different from the mean value for the group.
</span>
The sample standard deviation with a <span>sample variance of hourly wages 10 will be $3.16.

Explanation:

</span><span>The standard deviation is the square root of the variance.
Therefore,
The square root of 10 dollars can be calculated as:

</span>√10 = $3.16

8 0

3 years ago

Solve the system by substitution.<br> y = 8x<br> y = 10x - 4<br> Submit Answer

erik [133]

Answer:

x=1, y=8

Step-by-step explanation:

Plug y=8x into y=10x-4.

8x=10x-4

Subtract 10x from each side.

-2x=-2

Divide each side by -2.

x=1

Plug x=1 into y=8x.

y=8(1)

y=8

5 0

3 years ago

Find the value of x that makes ABCD a parallelogram.

olganol [36]

The angle 5x will be 50⁰. Then the correct option is D.

<h3>What is a parallelogram?</h3>

It is a polygon with four sides. The total interior angle is 360 degrees. A parallelogram's opposite sides are parallel and equal.

The diagram is given below.

We know the sum of internal angles is 360 degrees.

Then we have

5x + 130 + 5x + 130 = 360

10x = 100

x = 10

Then the angle 5x will be

5x = 5(10)

5x = 50⁰

Then the correct option is D.

More about the parallelogram link is given below.

brainly.com/question/1563728

#SPJ1

4 0

2 years ago

What is the equation in slope-intercept form for the line that passes through the points

LekaFEV [45]

Answer:

Step-by-step explanation:

5 0

3 years ago

Please answer the question to the best of your ability.

nydimaria [60]

Answer:

the answer is c.

Step-by-step explanation:

apply the rule of distributive property to check each of the options provided

7 0

3 years ago