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2 years ago

What should you do to solve the equation? 45 = x + 38

Mathematics

2 answers:

antoniya [11.8K]2 years ago

8 0

All you have to do is subtract 38 from 45 to get 7 as your answer.

alina1380 [7]2 years ago

4 0

Answer: Subtract 38 from both sides

Step-by-step explanation:

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2 years ago

There are at least 5 slices of bread left in the bag. Use p as your variable

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2 years ago

A number is selected randomly from the integer from 10to30 what is the probability of picking a multiple of 4or5

arlik [135]

Answer:

$\frac{3}{7}$

Step-by-step explanation:

Start by finding how many integers there are from 10-30...

30-10+1=20+1=21

Note we have to add 1 since it is inclusive.

Now, let's find how many multiples of 4 or 5 there are from 10-30...

4*3=12

4*4=16

4*5=20

4*6=24

4*7=28

5*2=10

5*3=15

5*4=20

5*5=25

5*6=30

5+5-1=9

Note we have to subtract 1 since 20 is counted twice.

The probability would be...

$\frac{Multiples\ of\ four\ and\ five\ from\ 10-30}{Amount\ of\ integers\ between\ 10-30}=\frac{9}{21}=\frac{3}{7}$

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2 years ago