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katrin2010 [14]
3 years ago
10

I will mark you. i need help fast thank you!

Mathematics
1 answer:
Ganezh [65]3 years ago
5 0

Answer:

If I'm correct it should be the second one

Step-by-step explanation:

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Please help explain how to solve problem 16?
Anarel [89]
Here is the problem.....√(15x + 10) = 2x+3

to remove the square root, we do the opposite which is to square everything.

(√(15x + 10))² = (2x + 3)²      (the square negates the square root)
15x + 10 = (2x +3)(2x + 3)    (use the distributive property to continue)
15x + 10 = 4x² + 6x + 6x + 9  (combine like terms)
15x + 10 = 4x² + 12x + 9      (subtract 15x and 10 from each side)
-15x - 10          -15x - 10
0 = 4x² - 3x - 1                      (factor completely)
(x - 1) (4x + 1)                    (set each to equal 0)

x - 1 = 0                4x + 1 = 0
x = 1                      4x = -1
                               x = -1/4

place both into the equation to check for reasonableness...we see the negative number is not reasonable, but the x value of 1 is a solution.

answer is 1
4 0
3 years ago
The standard form of an absolute value function is f(x) = ax-h1+k Which of the following represents the vertex?
blagie [28]

there's no "following"

3 0
3 years ago
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Can anyone help me with my homework
eimsori [14]
1- B
2- G
3- H
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I hope its good for you
3 0
3 years ago
HELP PLS I HABE BEEN STARING AT THUS QUESTION FOR SO LONG​
kari74 [83]

Answer:

56%

Step-by-step explanation:

Reducing the picture by 80% and then by 70% gives a reduction of 56%

70% of 80 = 0.7 × 80 = 56%

7 0
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Please help me solve for x
Brrunno [24]

Answer:

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Step-by-step explanation:

it depends on the situation and the problem but normally you would use the other numbers to figure out what number goes in "x"

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2 years ago
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