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2 years ago

Write two fractions that are equivalent to the given fraction. 5/7

Mathematics

1 answer:

Reil [10]2 years ago

4 0

Answer:

10/14 25/35

Step-by-step explanation:

For the first one multiply times 2

For the second one multiply times 5

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5x-1/5=7/3 <br> Find The LCD That would eliminate the fractions

photoshop1234 [79]

Answer:

$x=\frac{7}{15}$

Step-by-step explanation:

$5x-\frac{1}{5} =\frac{7}{3}$

$5x - \frac{3}{15} = \frac{35}{15}$

$5x - \frac{3}{15} + \frac{3}{15} = \frac{35}{15} + \frac{3}{15}$

$5x=\frac{35}{15}$

$\frac{5x}{5} } =\frac{\frac{35}{15}}{5}$

$x=\frac{7}{15}$

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2 years ago

Write this trinomial in factored form 2a^2 +7a+3

EleoNora [17]

Answer:

(2a + 1)(a + 3) = 2a² + 7a + 3

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3 years ago

Solve by substitution. 5x + 4y = -14 y = -7x - 15

ki77a [65]

Answer:

(-2,-1)

Step-by-step explanation:

5 0

3 years ago

At a bake sale there were 90 items sold total. If 42 of the items sold were cookies and the rest were brownies what is the ratio

kari74 [83]

Firstly, you do 90 - 42 to get the amount of brownies sold, which is 48. Then, you put 42 and 48 into a ratio like 42:48. After that, all you need to do is simplify to get 7:8.

5 0

3 years ago

Purchasing a TV that is 20% off will save $180.

Flauer [41]

Answer:

$900

Step-by-step explanation:

a)Off given on purchasing a TV= 20%

20% on TV = $ 180

Let the original price of TV set $ x

According to question,

20% of x= $180

$\frac{20}{100}$ ×x= $180

x = $ 180× 5

x= $ 900

Hence, Original price of TV set= $ 900

b) By second method,

20%= $180

1%= $ 9

100% = $900

Hence, the original price $ 900

4 0

3 years ago