3 years ago

Question 2 of 10

Mathematics

1 answer:

RideAnS [48]3 years ago

5 0

Answer: 264,615

Step-by-step explanation:apex

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If (x-2) is a factor of x^3+kx^2 +12x-8 then k=?

AURORKA [14]

Answer:

k = - 6

Step-by-step explanation:

Since (x - 2) is a factor then x = 2 is a root

Substitute x = 2 into the polynomial and equate to zero, that is

2³ + k(2)² + 12(2) - 8 = 0

8 + 4k + 24 - 8 = 0

4k + 24 = 0 ( subtract 24 from both sides )

4k = - 24 ( divide both sides by 4 )

k = - 6

5 0

3 years ago

you have a large tank filled with 175 gallons of water the tank springs a leak and water is pouring out at a rate of 5 gallons p

Len [333]

175/5= 35

The answer is 35 minutes.

Hope this helps!

3 0

3 years ago

2x^3+4x^3 is the same as

Ivanshal [37]

Answer:

6x^3 is the answer

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3 years ago

Simply the product -7x/5y * 5x/-7

ch4aika [34]

We are asked to simplify the expression $\frac{-7x}{5y} \cdot \frac{5x}{-7}$ ,

what we do is, we form a single fraction where the numerator is the product of the numerators, and the denominator is the product of the denominators, that is:

$\frac{-7x}{5y} \cdot \frac{5x}{-7}= \frac{-7\cdot5 \cdot x \cdot x}{5 \cdot(-7) \cdot y}$

simplify the common numbers and terms in the numerator and denominator:

$\frac{-7\cdot5 \cdot x \cdot x}{5 \cdot(-7) \cdot y}=\frac{5 \cdot x \cdot x}{5 \cdot y}=\frac{x \cdot x}{y}= \frac{ x^{2} }{y}$

Answer: $\frac{ x^{2} }{y}$

5 0

3 years ago

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The open house sells an average of 1,700 tickets per night when the price of each ticket is $25 an employee of the opera house n

kompoz [17]

the correct anwser is 42

4 0

4 years ago