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Gnom [1K]
3 years ago
11

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.

Mathematics
2 answers:
kompoz [17]3 years ago
8 0

Answer:

The factors of 5y2 − 2y − 7 are (5y − 7) and ( y + 1 )

iren [92.7K]3 years ago
5 0

Answer:

(y+1)

Step-by-step explanation:

use quadratic formula.

you will get two values of y

y= 7/5 and y= -1

u can create factors using these values of y (making 0 subject)

like

for 7/5

7/5=y

7=5y

5y-7=0

zero becomes subject in such cases bcz there are no numbers left on that side

now for -1

-1=y

y+1=0

so your factors are 5y-7 and y+1

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Simplify the expression.
Anna71 [15]

Since we have a cubic root, we're interested in factoring cubes inside the root, so that we can take them out. If we factor 648, we have

648=2^3\times 3^4=2^3\times 3^3\times 3 = (2\times 3)^3\times 3 = 3\times 6^3

So, we have

3x\sqrt[3]{648 x^4 y^8} = \sqrt[3]{3\times 6^3\cdot x^3\cdot x \cdot y^6\cdot y^2}=3x\cdot 6\cdot x\cdot y^2\sqrt[3]{3\cdot x\cdot y^2}

And the result simplifies to

18x^2y^2\sqrt[3]{3xy^2}

5 0
2 years ago
Write the equation of the line that passes through the points (3, 6) and (5, 18) using function notation.
V125BC [204]
D. y = 6x - 12 is the answer
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3 years ago
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What is the percent of decrease from 500000 to 60000
DIA [1.3K]
Percent change = (new number - old number)/(old number) * 100

If the percent change is positive, it is a percent increase.
If the percent change is negative, it is a percent decrease.

In our case, the number goes from 500000 (the old number) to 60000 (the new number).

percent change = (new number - old number)/(old number) * 100

percent change = (60000 - 500000)/(500000) * 100

percent change = -88%

Answer: the percent decrease is 88%
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