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gulaghasi [49]
3 years ago
10

8x-2=-9+7x need help

Mathematics
1 answer:
Ann [662]3 years ago
6 0
Hello :) 

In this equation, x=-7

Let's plug the x value into the equation to verify:

8(-7)-2 = 9+7(-7)
-56 - 2 = 9 + -49
-58 = -58 <---------------- TRUE


Hope this helps and have a great day!
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In a small company with 20 employees, 10 employees make $80,000/yr, 6 employees make $ 150,000/yr the 4 highest-paid employees a
Elis [28]

Answer:

$129 000/yr

Step-by-step explanation:

Weighted average is used to answer this question.

<em>total employees are 20</em>

10 employees make 80 000

<em>total earning for 10 employees </em>= 80 000 * 10 = 800 000 (multiplying)

6 employees make 150 000

<em>total earning for 6 employees= </em>150 000 * 6 =900 000<em> (multiplying)</em>

4 employees make 220 000

<em>total earning for 4 employees </em>= 220 000 * 4 = 880 00<em>0 (multiplying)</em>

<em />

<em>To calculate weighted average all the totals are added and then divide by total number of employees.</em>

<em>weighted average =</em> (800 000 + 900 000 + 880 000)/20

<em />

<em>weighted average = </em>2580000/20

<em />

<em>Weighted average = </em>129 000

<em />

8 0
3 years ago
Solve for m<br> 3m-4=5m+10
Sonbull [250]

Answer:

-7

Step-by-step explanation:

3m-4=5m+10

-2m-4=10

-2m=14

m=-7

7 0
2 years ago
Read 2 more answers
The question is attached
Bingel [31]

Answer:

We call the denominator rational.

Step-by-step explanation:

For example:

\frac{1}{\sqrt{2}} = \frac{\sqrt2}{\sqrt2 \cdot \sqrt2} = \frac{\sqrt2}{2}

It's clear that the denominator is now a rational number, not an irrational one anymore.

5 0
1 year ago
X^2-3=5x simplify this
Alex Ar [27]
To simplify x^2-3 =5x

You would first subtract 5x from both sides

X^3-5x-3

Next you would plug this into the quadratic equation:

X=5+/- the square root of: -5^2 -4(1)(-3)/2(1)

Then simplify,
5+/- the squareroot of 24 + 12 / 2

5+/- The squareroot of 36 /2

5+/- 6 / 2

Then solve if it’s an addition or subtract

5+6/2

X=11/2 or 5 1/2

5-6/2

X= -1/2

The answer is x=-1/2 or x=11/2

Hope this helps

7 0
2 years ago
The table shows values for functions f(x) and g(x)
statuscvo [17]

Answer: When f(x)=g(x) , x equal to -2 or -1

Step-by-step explanation:

8 0
3 years ago
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