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4vir4ik [10]
3 years ago
10

Question 4 (Multiple Choice Worth 1 points)

Mathematics
2 answers:
shutvik [7]3 years ago
6 0
The right answer for the question that is being asked and shown above is that: "d.8 open parentheses x plus 4 close parentheses over quantity x minus 6" The simplified that completely quantity 8 x minus 56 over quantity x squared minus 49 divided by quantity x minus 6 over quantity x squared plus 11 x plus 28 is that <span>8 open parentheses x plus 4 close parentheses over quantity x minus 6</span>
Zepler [3.9K]3 years ago
6 0
Translating the worded problem into mathematical form, the following expression was obtained: ( 8x - 56 / x^2 - 49 ) / (x - 6 / x^2 + 11x + 28)

Simplifying:

( 8x - 56 / x^2 - 49 ) ( <span>x^2 + 11x + 28 / x - 6</span>)

Factoring out:

( 8(x-7) / (x+7)(x-7) ) ( (x+7)(x+4) / x - 6 )

Cancelling out (x-7) and (x+7):

8(x+4) / (x-6)

Therefore, the correct answer is D.
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(x^2 + 5x + 2) – (5x^2 – x – 2) =
zlopas [31]

Answer:

{ \tt{( {x}^{2} + 5x + 2) - (5 {x}^{2} - x - 2)  }} \\  = { \tt{(1 - 5) {x}^{2}  + (5 + 1)x + (2 + 2)}} \\  = { \tt{ - 4 {x}^{2} + 6x + 4 }} \\  = { \tt{ - 2(2 {x}^{2} - 3x - 2) }}

3 0
3 years ago
Read 2 more answers
A ratio of boys to girls in the classroom is 4 to 5 if there are 20 girls how many boys would there be
Viktor [21]

Answer:

16 to 20

Step-by-step explanation:

Let's do our math.

4 to 5

8 to 10

12 to 15

16 to 20

In order to get to 20, you'd have to multiply 5 by 4. So in order to get an equal ratio, you multiply 4 by 4 and get 16.

I hope this helps!

-No one

8 0
2 years ago
What is the solution to the equation below?<br><br><br><br> 0.5n = 6
Tcecarenko [31]

It's 12 because if you divide 6 by 0.5 you should get 12, so basically use the opposite operation.

Hope that helps!

3 0
3 years ago
-5x+8=18 its a two step equation and I need to know whether its a identity, one solution or no solution problem​
Oksi-84 [34.3K]

Answer:

-2

Step-by-step explanation:

- 5x + 8 = 18

Take + 8 to the right hand side, it turns negative i.e -8

-5x         = 18 - 8

-5x         = 10

Divide both sides by the coefficient of x which is -5  

-5x/5          = 10/-5

x = -2

7 0
3 years ago
Write each number in scientific notation 0.00000000152
kolbaska11 [484]

1.52 *10^{-9} = 0.00000000152


Hope it helped,


BioTeacher101

7 0
3 years ago
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