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3 years ago

Does the mixed number 4 3/4 make each equation true? Choose Yes or No for each equation.

Mathematics

2 answers:

nikitadnepr [17]3 years ago

6 0

Answer:

1. no

2.no

3.yes

4.no

Step-by-step explanation:

4 3/4

=19/4

1.63/8-15/8

=63-15/8

=48/8

2.85/12-32/3

=85/12-32*4/3*4

=85/12-128/12

=85-128/12

=-43/12

3.101/8-63/8

=101-63/8

=38/8

=19/4

4.7/12+21/3+15/6

=7/12+21*4/3*4+15+2/6*2

=7/12+84/12+30/12

=7+84+30/12

=121/12

zhuklara [117]3 years ago

3 0

Answer:

first one: yes

second one: yes

third one: no

fourth one: yes

Step-by-step explanation:

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A pair of Jordans sold at retail for $180 and now sell for $330 after market. A. Is this a percent INCREASE or DECREASE, what is

Elza [17]

Answer:

This is a percent INCREASE

The percent change is 83.33%

Step-by-step explanation:

Let us solve the question

∵ A pair of Jordans sold at retail for $180

∴ The initial price = 180

∵ Now it sells for $330 aftermarket

∴ The new price = 330

→ That means the new price is greater than the initial price

∵ The new price is greater than the initial price

∴ This is a percent INCREASE

∵ The percent of change = (amount of increase ÷ initial amount) × 100%

∵ The amount of increase = new price - initial price

∴ The amount of increase = 330 - 180 = 150

→ Substitute it in the rule of percent of increase above

∵ The percent change = $\frac{150}{180}$ × 100%

∴ The percent change = $\frac{5}{6}$ × 100%

∴ The percent change = 83.33%

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2 years ago

What is the answer to this: 1-n=7/12

Zanzabum

You can add, subtract, multiply, and divide things on both sides of the equation as long as you do the same thing to the other side so
if i add n to this side

1-n+n

i must add it to the other side

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now you must subtract the 7/12 from both sides

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