3 years ago

-5 -14p < 8p + 7 Mathematics

Mathematics

1 answer:

GenaCL600 [577]3 years ago

4 0

Answer: p> -6/11

Step-by-step explanation: hope this helps!

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If the area of a circle is 154cm2 what is the radius of that circle

Komok [63]

Answer:

Step-by-step explanation:

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3 years ago

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the standard deviation of 100 random samples of the same size is approximated to be 0.98. what is the margin of error

pogonyaev

Answer:

MOE= ± 0.098

Step-by-step explanation:

-The margin of error is calculated using the formula:

$MOE=\pm \frac{\sigma}{\sqrt{n}}$

#Substitute to solve for MOE:

$MOE=\pm \frac{\sigma}{\sqrt{n}}\\\\=\frac{0.98}{\sqrt{100}}\\\\=\pm 0.098$

Hence, the margin of error is ± 0.098

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3 years ago

A prism has a total surface area of 228 m2 and volume of 216 m3.

telo118 [61]

Multiply by 1/3 to reduce.
228*1/3=76m^2
216*1/3=72m^3

Multiply by 4 to increase.
228*4=912m^2
216*4=864m^3

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4 years ago

Henry had 15 quarters. He gave his sister 4 quarters. How much money does he have now??

telo118 [61]

Answer:

$2.75

Step-by-step explanation:

A quarter's value as placed on it by the U.S. Treasury Department is $0.25, or 1/4 of a dollar.

Henry had 15 quarters, in which he gives his sister 4: 15 - 4 = 11

Henry now has 11 quarters. Multiply 11 with 0.25: 11 x 0.25 = 2.75

Henry has $2.75

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3 years ago

Factor the expression 4x + 32. Explain each step you take in the process.

Butoxors [25]

4x+32

4 goes into 4 1 time. (4/4=1)
4 goes into 32 8 times. (32/4=8)
We can factor out 4 from both numbers.

4(1x+8)
aka 4(x+8)

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4 years ago

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