3 years ago

Mark is sorting shapes. He has a group of shapes with these attributes:

Mathematics

1 answer:

Sloan [31]3 years ago

6 0

The answer would be C. :))

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A machine in an office can shred 65 sheets of paper every 5 seconds. How many sheets of paper can the machine shred in 60 second

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Answer:

780 sheets

Step-by-step explanation:

we know that

A machine can shred 65 sheets of paper every 5 seconds

using proportion

Find out how many sheets of paper can the machine shred in 60 seconds

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Bob and Larry went on a tricycle ride. They rode for the same amount of time, but Bob cycled 10 miles per hour slower than Larry

IceJOKER [234]

Step-by-step explanation:

so basically they are asking you to subtract, hope this helps, use a calculator if needed

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3 years ago

The mean speed of vehicles along a stretch of highway is 56 mph with a standard deviation of 4 mph. You

Elenna [48]

The corresponding z score for speed of 62 mph, 47 mph, and 56 mph is 1.5, -2.25 and 0 respectively.

<h3>Z score</h3>

Z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

$z=\frac{x-\mu}{\sigma }$

Where x is raw score, μ is mean, σ is standard deviation

Given that:

σ = 4, μ = 56, hence

for x = 62:

$z=\frac{62-56}{4 } =1.5$

for x = 47:

$z=\frac{47-56}{4 } =-2.25$

for x = 56:

$z=\frac{56-56}{4 } =0$

The corresponding z score for speed of 62 mph, 47 mph, and 56 mph is 1.5, -2.25 and 0 respectively.

Find out more on Z score at: brainly.com/question/25638875

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2 years ago

What is the classification for this angle?

muminat

Answer:

The angle being shown is an acute angle

Step-by-step explanation:

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Using the foil method, multiply the terms of the binomials below. Show your work in the blanks provided. Then, add any like term

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Answer:

5x^4+7x^3-6x^2

Step-by-step explanation:

$(x^{2} +2x)(5x^{2} -3x)\\\= 5x^{4}-3x^{3} +10x^{3} -6x^{2}\\= 5x^{4}+7x^{3} -6x^{2}$

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3 years ago