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horsena [70]
3 years ago
11

Mr. Marco painted a picture with an area of 2 2/4 square feet. The painting is 2 feet long. What is the perimeter of the paintin

g?
Mathematics
1 answer:
mr_godi [17]3 years ago
7 0
Step 1: Replace the variables with numbers

A=lw
A=2(1.25)
A= 2.5 (Fraction 2 2/4)

Step 2: Use the perimeter formula (P=l+w+l+w or P=(l+w)2)

P=(l+w)2
P=(2+1.25)2
P=(3.25)2
P=6.5

Answer is 6.5 I hope this helped ^^
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The population of California is approximately 38,040,000. The population of Texas is about 2.606 × 107. What is the approximate
liubo4ka [24]

Answer:

The total population of these two states is:

3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41

Therefore, option C is correct.

Step-by-step explanation:

  • The population of California is approximately 38,040,000.
  • The population of Texas is about 2.606 × 10⁷.

Writing the population of California i.e.38,040,000  in scientific notation by moving the decimal point 7 places to the left and dropping the 0's on the right  side as they're after the decimal point now.

i.e.

38,040,000 = 3.804 x 10⁷

So adding 3.804 x 10⁷ and 2.606 × 10⁷

i.e.

3.804\times \:10^7+2.606\times \:10^7

\mathrm{Add\:similar\:elements:}\:10^7\times \:3.804+10^7\times \:2.606=10^7\times \:6.41

Thus, the total population of these two states is:

3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41

Therefore, option C is correct.

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