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myrzilka [38]
2 years ago
9

Please help if you want brianleist!! :) uhm don't mind update- NO LINkS child..

Mathematics
1 answer:
Elden [556K]2 years ago
5 0

Answer:

3 2/3

The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

Complete the multiplication and the equation becomes

The two fractions now have like denominators so you can add the numerators.

Then:

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 22 and 6 using

Convert to a mixed number using

long division for 11 ÷ 3 = 3R2, so

Therefore:

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5( x + 7) - 3 ( x - 4) = 7x + 2 what is x?
S_A_V [24]

Answer:

x=9

Step-by-step explanation:

5( x + 7) - 3 ( x - 4) = 7x + 2

Distribute

5x+35 - 3x +12 = 7x +2

2x +47 = 7x+2

Subtract 2x from each side

2x+47-2x =7x -2x+2

47 = 5x+2

Subtract 2 from each side

47-2= 5x+2-2

45= 5x

Divide by 5

45/5 =5x/5

9 =x

8 0
2 years ago
Read 2 more answers
5x (x - 4) = 0<br> Solve it in standard form
murzikaleks [220]

Answer:

x=0 or x=4

Step-by-step explanation:

5x(x−4)=0

4 0
2 years ago
What will be the result of substituting 2 for x in both expressions below?
Thepotemich [5.8K]
It’s the first answer, both expressions equal 5 when substituting 2 for x because the expressions are equivalent.

1/2 of x +4
=1/2(2)=1.
1+4= 5

2+6=8
1/2(2)=1.
8-1=7
7-2=5
8 0
2 years ago
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What is the product of 136.4 and 0.47?
solniwko [45]

Answer:

64.108

136.3x0.47=64.108

i did it ona calculator

5 0
3 years ago
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Two trains leave stations 338 miles apart at the same and travel toward each other. One train travels at 75 miles per hour while
AleksandrR [38]

If they're travelling towards each other;
Effective speed = 75+55 = 130

Distance = 338m

Time= distance/ speed
T= 338/130
T= 2.6 hrs
5 0
3 years ago
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