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nika2105 [10]
3 years ago
15

What factor makes the number sentence true 7 x 4 equals blank x 7

Mathematics
2 answers:
ozzi3 years ago
6 0
The blank would be 4 as 4*7 is the same as 7*4
insens350 [35]3 years ago
6 0
7 x 4=4 x 7

This is known as the commutative property, it basically means when using addition and multiplication the order of the numbers do not matter, because the answer will always turn out the same.
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Shawn’s pay is $123 for 20 hours of work. Find hourly wage and then calculate the amount of pay for 31 hours.
morpeh [17]
Hi hope I help, so first 123×20 which = 2,460 then, 2,460×31 and the answer is 76,260
3 0
3 years ago
What has the same value as 3/4
ch4aika [34]
The decimal form, which is equivalent to 3/4, is .75

Other fraction forms of 3/4, would be also 6/8, 9/12, 12/16, 15/20, 18/24, 21/28
8 0
3 years ago
Read 2 more answers
The population of a country was increased in the past 4 years. The annual presentage increases are 20%,25%,30%,10% respectively.
Vladimir79 [104]

The answer is 114.5%.

Let the original population be denoted by x.

Now, let's go through the percentage increase per year.

<u>Year 1</u>

  • x (1 + 20%)
  • x (1.2)
  • 1.2x

<u>Year 2</u>

  • 1.2x (1 + 25%)
  • 1.2x (1.25)
  • 1.5x

<u>Year 3</u>

  • 1.5x (1 + 30%)
  • 1.5x (1.3)
  • 1.95x

<u>Year 4</u>

  • 1.95x (1 + 10%)
  • 1.95x (1.1)
  • 2.145x

Overall increase : 214.5% - 100% = 114.5%

Hence, the overall percentage increase in these 4 years is 114.5%.

7 0
2 years ago
A basketball backboard set that sold for $79 is discounted 15%. What is the sale price?
EastWind [94]

Answer:

67.15

Step-by-step explanation:

subtract 15 percent of 79 from 79

7 0
3 years ago
Read 2 more answers
*One half of two fifths of x.
Nataly_w [17]

Answer:

one half of two fifths of x would be equivalent to one fifth of x

3 0
3 years ago
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