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2 years ago

The chair of the meeting collects $2702 from 28 people.Whats the unit rate?

Mathematics

1 answer:

SCORPION-xisa [38]2 years ago

5 0

Answer:

$96.50

Step-by-step explanation:

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When 5 is subtracted from the square of a number, the result is 4 times the number. Find the negative solution.

wariber [46]

Answer:

-1

Step-by-step explanation:

You can write it as...

$x^{2} -5=4x$

Carry the 4x

$x^{2} -4x-5=0$

Then use the quadratic formula to solve, since you want to find the negative solution, you don't need to find the positive solution, so we will have

$(4-\sqrt{16+20}) /2=\frac{4-6}{2}=\frac{-2}{2} =-1$

Therefore our answer is -1

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3 years ago

Math plz help it's hard (8th grade math)

Mrac [35]

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3 years ago

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Helen [10]

Answer:

Step-by-step explanation:

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3 years ago

Kyle divided two numbers in scientific notation using the interactive calculator and found a solution of 3.5E4. If the numerator

Maru [420]

Answer:

a=2, b=5

Step-by-step explanation:

Let

n -----> the denominator

we have

$3.5*10^4=\frac{7*10^9}{n}$

Solve for n

That means -----> isolate the variable n

Multiply by n both sides

$3.5*10^4(n)=7*10^9$

Divide by 3.5*10^4 both sides

$n=\frac{7*10^9}{3.5*10^4}=(\frac{7}{3.5})(\frac{10^9}{10^4})=2*10^5$

therefore

a=2, b=5

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3 years ago

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How are circumference and area the same? How are they different?

Sindrei [870]

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3 years ago