3 years ago

Write an expression for 8 times r

Mathematics

1 answer:

Vlada [557]3 years ago

3 0

Answer:

Step-by-step explanation:

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Write the formula for the parabola that has x- intercepts (1.3,0) and (-1.3,0), and y- intercept (0,169).

kirill115 [55]

Answer: (8, 45)?

Step-by-step explanation:

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3 years ago

How many $0.21 pencils can be purchased for $7.00? Show your work.

IgorLugansk [536]

N*(21/100)=(700/100)

n=(700/100)/(21/100)

n=(700/100)*(100/21)

n=700/21

n=33+1/3

So <em><u>thirty three</u></em> $0.21 pencils can be purchased for $7.00.

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3 years ago

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In base, rate, and percent problems, the word “of” points to this

Marysya12 [62]

Answer:

The word "of" refers to multiplication.

Step-by-step explanation:

Multiplication is what to do in all word problems when we see the word "of"

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4 years ago

The number of orders received daily by an online vendor of used CDs is normally distributed with mean 270 and standard deviation

frez [133]

Answer:

Step-by-step explanation:

Given that the number of orders received daily by an online vendor of used CDs (say X) is normally distributed with mean 270 and standard deviation 16.

X is N(270, 16)

To find percentage of days will the company have to hire extra help or pay overtime, we can find probability using std normal table

X>302 means

$Z>\frac{302-270}{16} =2$

P(Z>2) = 0.25

Thus 25% of days will the company have to hire extra help or pay overtime

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3 years ago

Assume that a student is chosen at random from a class. Determine whether

antiseptic1488 [7]

Answer:

Mutually exclusive

Step-by-step explanation:

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