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guajiro [1.7K]
3 years ago
12

(5x+2) = (7x-12) Ineed help!

Mathematics
2 answers:
krok68 [10]3 years ago
7 0
X = 7
Explaination:
Take away 5x from both sides you have 2x on the right, then add 12 to both sides you have 14 on the other side (left), you then divide by 2 and get 7 = x.
Now if you need you can solve the two equations, 5(7)+2 = 37, and 7(7)-12= 37.
spayn [35]3 years ago
4 0

Answer:

(5x+2) = (7x-12)

=x=7

Step-by-step explanation:

the answer is 7

you gotta move the variables

collect like terms then divide

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Evaluate $\dfrac{2\sqrt{72}}{\sqrt{8}+\sqrt{2}}$.
Pavlova-9 [17]
<h3>Answer:  4</h3>

========================================================

Work Shown:

\frac{2\sqrt{72}}{\sqrt{8}+\sqrt{2}}\\\\\frac{2\sqrt{36*2}}{\sqrt{4*2}+\sqrt{2}}\\\\\frac{2\sqrt{36}*\sqrt{2}}{\sqrt{4}*\sqrt{2}+\sqrt{2}}\\\\\frac{2*6*\sqrt{2}}{2*\sqrt{2}+\sqrt{2}}\\\\\frac{12\sqrt{2}}{2\sqrt{2}+\sqrt{2}}\\\\\frac{12\sqrt{2}}{3\sqrt{2}}\\\\\frac{12}{3}\\\\4

Note in step 2, I factored each number in the square root to pull out the largest perfect square factor. From there, I used the rule that \sqrt{A*B} = \sqrt{A}*\sqrt{B} to break up the roots.

8 0
2 years ago
3. (05.05)
vitfil [10]

Answer:

The inequality x>2 matches the graph.

Step-by-step explanation:

From the graph, it is clear that the shaded graph is heading towards the +ve infinity from the x > 2.

If the inequality includes < or >, we graph the equation as a dotted line.

From the graph, the dotted line indicates that x=2 is not included in the solution of the inequality.

so the interval of the domain of the inequality is: (2, ∞)

Therefore, the inequality x>2 matches the graph.

8 0
3 years ago
Someone plz help me
baherus [9]

Answer:

1.benchmark fractions

2. equivalent fractions

Step-by-step explanation:

Hope it helps!

5 0
3 years ago
Read 2 more answers
2 3/4 written as fraction greater than one
sladkih [1.3K]
2 3/4 = 11/4 <=== written as an improper fraction
3 0
3 years ago
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Find the sum of the decimal models.
Kruka [31]
8.3 is the decimal for the first model and for the second model it is 4.8. Now you just need to add them and you should get 13.1 as your answer. If helped mark me the brainiest!!
5 0
3 years ago
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