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2 years ago

I need help with this problem and show your work plz thanks

Mathematics

1 answer:

coldgirl [10]2 years ago

5 0

Well is just their sum, thus

$\bf \cfrac{3}{4}+\cfrac{2}{3}\impliedby \stackrel{LCD~is}{12}\implies \cfrac{(3)3+(4)2}{12}\implies \cfrac{9+8}{12}\implies \cfrac{17}{12}\implies 1\frac{5}{12}$

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Someone know the answer ?? If you know , Can you help me, please ???

Pie

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2 years ago

A car travels 15 miles in 15 minutes how many miles does it travel in 2 hours

zubka84 [21]

Answer:

120 miles in 2 hour

Step-by-step explanation:

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2 years ago

5x+12-8x=-24 steps by step please

kolezko [41]

Step-by-step explanation:

<h2>=>first combine the like terms</h2>

5x-8x+12=24

-3x+12=24

<h2>=>substruct 12 from 12 and 24</h2>

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<h2>=>divide -3 from both side</h2>

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2 years ago

Read 2 more answers

The sum of two numbers is 39. The second number is 6 more than half of the first number. Let a represent the first number and le

inn [45]

Write 2 equations:

a +b = 39

and b = 1/2a + 6

Now replace b in the first equation with the second one:

a + 1/2a + 6 = 39

Combine like terms:

1 1/2a + 6 = 39

Subtract 6 from each side:

1 1/2a = 33

Divide both sides by 1 1/2:

a = 33 / 1 1/2 = 33 / 1.5

a = 22

Now replace a with 22 in the first equation and solve for b:

22 + b = 39

b = 39 -22

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The two numbers are 17 and 22.

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3 years ago

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Step-by-step explanation:

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2 years ago

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