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3 years ago

What is the prim factorization of 84

Mathematics

1 answer:

zubka84 [21]3 years ago

4 0

This is the answer I came to by hand. Sorry for the handwriting.

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4 years ago

The diameter of the figure to the left is 9 cm.

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Step-by-step explanation:

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3 years ago

On a certain hot summer's day, 263 people used the public swimming pool. The daily prices are $1.25 for children and $2.50 for a

Elenna [48]

Answer:

The number of children = x = 176

The number of Adults = y = 87

Step-by-step explanation:

Let us represent

The number of children = x

The number of Adults = y

On a certain hot summer's day, 263 people used the public swimming pool.

x + y = 263.... Equation 1

x = 263 - y

The daily prices are $1.25 for children and $2.50 for adults. The receipts for admission totaled $437.50.

$1.25 × x + $2.50 × y = $437.50

1.25x + 2.50y = 437.50.....Equation 2

We substitute 263 - y for x in Equation 2

1.25(263 - y) + 2.50y = 437.50

328.75 - 1.25y + 2.50y = 437.50

- 1.25y + 2.50y = 437.50 - 328.75

1.25y = 108.75

y = 108.75 ÷ 1.25

y = 87

Solving for x

x = 263 - y

x = 263 - 87

x = 176

Therefore:

The number of children = x = 176

The number of Adults = y = 87

8 0

3 years ago

Henrietta did an experiment. She started out with 700 bacteria cells. She found that the growth rate of the bacteria cells was 5

poizon [28]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have a exponential function of the form

$y=a(b^x)$

where

y ---> is the population of bacteria

x ---> the number of hours

a is the initial value or y-intercept

b is the base of the exponential function

r is the rate of change

b=(1+r)

we have

$a=700\ bacteria$

$r=5\%=5/100=0.05$

$b=1+0.05=1.05$

substitute

$y=700(1.05^x)$

For x=20 hours

substitute in the equation and solve for y

$y=700(1.05)^{20} =1,857\ bacteria$

4 0

4 years ago

3(x−1) + 7=11 what is x

MariettaO [177]

Answer:

3(x-1)+7=11

3x-3-7=11

3x-10=11

3x=11+10

x=21/3

x=7

Step-by-step explanation:

6 0

3 years ago

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What is the prim factorization of 84​

What is the prim factorization of 84