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andrezito [222]
4 years ago
9

What is the solution to the equation 4x + 2(x − 2) = 4x + x − 12?

Mathematics
2 answers:
adell [148]4 years ago
8 0

Answer:

-8

Step-by-step explanation:

4x + 2x - 4 = 4x + x - 12

6x - 4 = 5x - 12

x = -8

olga55 [171]4 years ago
8 0

Answer:

x = -8

Step-by-step explanation:

4x + 2(x - 2) = 4x + x - 12

4x + 2x - 4 = 4x + x - 12

6x - 4 = 5x - 12

6x - 5x = -12 + 4

x = -8

(mark as brainliest please :) )

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Of the 800 participants in a marathon, 120 are running to raise money for a cause. How many participants out of 100 are running
QveST [7]
Im not sure about this question but- 120% of 800 equals- 15%, so 15% could be the answer
7 0
3 years ago
Solve the proportional equation 2/3 = x/15
dimulka [17.4K]
  2            x
 -----  =  ------
  3           15

cross multiply
(3)(x) = (15)(2)
3x = 30
x = 30/3
x = 10

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5 0
3 years ago
If on a scale drawing 240 feet
KATRIN_1 [288]

Answer:

6 feet

Step-by-step explanation:

240 feet : 10 inches

24 feet    : 1 inch

? feet       : 1/4 inch

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6 0
4 years ago
Read 2 more answers
Find the break - even points for company X, which sells all it produces, if the variable cost per unit is $3, fixed costs are $2
ohaa [14]

Given:

The variable cost per unit is $3, fixed costs are $2.

The revenue function is:

Y_{TR}=5\sqrt{q}

where q is the number of thousands of units of output produced.

To find:

The break - even points for company X.

Solution:

The variable cost per unit is $3, fixed costs are $2.

So, the cost function is:

Total cost = Fixed cost + Variable cost × Quantity

Y_{TC}=2+3q

The revenue function is:

Y_{TR}=5\sqrt{q}

At break - even points the profit is zero. It means the cost and revenue are equal.

Y_{TC}=Y_{TR}

2+3q=5\sqrt{q}

Squaring both sides, we get

(2+3q)^2=(5\sqrt{q})^2

2^2+2(2)(3q)+(3q)^2=25q

4+12q+9q^2-25q=0

4-13q+9q^2=0

Splitting the middle term, we get

4-4q-9q+9q^2=0

4(1-q)-9q(1+q)=0

(4-9q)(1-q)=0

Using zero product property, we get

4-9q=0 and 1-q=0

q=\dfrac{4}{9} and q=1

q\approx 0.444 and q=1

Therefore, the break even points are 0.444 and 1.

3 0
3 years ago
What is the difference between balance forces and unbalance forces?​
devlian [24]

Answer:

If two individual forces are of equal magnitude and opposite direction, then the forces are said to be balanced. An object is said to be acted upon by an unbalanced force only when there is an individual force that is not being balanced by a force of equal magnitude and in the opposite direction.

4 0
3 years ago
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