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Talja [164]
3 years ago
12

One cubic millimeter of Mrs. Murphy's blood contains about 5,000,000 red blood cells. There are about 4,900,000 cubic millimeter

s of blood in her body. Determine appropriately how many red blood cells Mrs.Murphy has in her body total.
Mathematics
1 answer:
34kurt3 years ago
7 0

Answer: approximately 22 trillion blood cells

Step-by-step explanation:

total no. of bloods cells in Mrs.Murphy's body

=no. of blood cells in 1 cubic millimeter × no. of cubic millimeters

= 5,000,000×4,900.000

= <u>22,000,000,000,000 blood cells</u>

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Answer:

<em><u>x=9, y=12</u></em>

Step-by-step explanation:

-5x+4y=3 --------A

x=2y-15----------B

Putting the value of x from B in A

-5(2y-15) +4y=3

-10y+75+4y=3

-6y=3-72

-6y=-72

y=72/6= 12

Putting the value of y =12 in B

x= 2(12)-15

x= 24-15

x=9

3 0
2 years ago
Timmy estimated he would spend $9 at the candy store. He went a little over-budget and spent $12. What was the percent error?
kap26 [50]
<h2>Answer :</h2>

  • Error (e) = 12 - 9 = $ 3

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\boxed{ \mathrm{ \% \: error = \dfrac{error}{assumed \: value} \times 100}}

  • \mathrm{ \% \: error =\dfrac{3}{9} ×100}

  • \mathrm{ \% \: error = \dfrac{1}{3} ×100}

  • \mathrm{ \% \: error = 33.33 \%}

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