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2 years ago

For my brother please!

Mathematics

1 answer:

Fiesta28 [93]2 years ago

3 0

Answer:

1)6

2)9

3)4

4)6

5)6

6)4

7)6

8)6

9)6

10)4

11)4

12)6

13)6

14)8

Step-by-step explanation:

I hoped it helped

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How do you simplify 8*1/10

Lelechka [254]

Answer:

Improper its 81/10

Step-by-step explanation:

8 1/10~ we should multiply denominator with whole number then add numerator:

10 x 8 = 80+ 1 = 81

In improper its- 81/10

Hope this helps :D

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3 years ago

Prove that 3:8 is equivalent to 12:32

Andrei [34K]

3*4=12
8*4=32
It is a ratio.

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3 years ago

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Trey's car has a 40 gallon tank. The fuel gauge points to . If Trey buys 30 gallons of gas, what will be the new reading on the

12345 [234]

I believe it would be 4/4
Which would be full

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3 years ago

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2 parts compost, 6 parts potting soil for 10 kg of mix. How many kg of compost

likoan [24]

Answer:

Step-by-step explanation:

A proportion could be used.

With 2 parts of compost and 6 parts potting soil, you would end up with 8 total parts.

So it can be written as a ratio of compost to total mix, or $\frac{2}{8}$

The problem states 10 kg are needed in total, and the variable would be the amount of compost

As a ratio it would be $\frac{x}{10}$ .

Use the ratios to write a proportion.

$\frac{2}{8} = \frac{x}{10}$

Multiply both sides of the equation by 10

$\frac{20}{8} = x$

Convert to a decimal if desired.

$x=2.5$

3 0

3 years ago

Guys, please help me out. Thanks.

kaheart [24]

Answer:

w = 13

Step-by-step explanation:

Using the method of cross- multiplying

• $\frac{a}{b}$ = $\frac{c}{d}$ ⇒ ad = bc, thus

42(w + 11) = 28(w + 23) ← distribute parenthesis on both sides

42w + 462 = 28w + 644 ( subtract 28w from both sides )

14w + 462 = 644 ( subtract 462 from both sides )

14w = 182 ( divide both sides by 14 )

w = 13

6 0

3 years ago