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erica [24]
3 years ago
12

How do you you do this? can you show your work in the answer to pls? thx

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0
Hope this helped. Comment or message me if you have any questions:) please mark as brainliest

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PLEASE HELP!!!!!!!!!!!!!!!!!!!!!1111 I REALLY NEED HELP I A, BEGGIN YOU GUYS!!!!!!!!!!!!!!!!!!!!!!!!!!! ILL GIVE BRAINLIEST AND
Thepotemich [5.8K]

Answer:

Step-by-step explanation:

4y - 2(5 - y + 4) = 4y - 2(9 - y)

                         = 4y + 9*(-2) - y *(-2)

                         = 4y  - 18 + 2y      {Combine like terms 4y and 2y}

                         = 6y - 18

6y - 18 = 6*y - 6*3

           = 6(y - 3)

6y- 18 =  2 *3y - 2*9

          = 2(3y -9)

2(3y - 9) and 6(y- 3 ) are equivalent to 4y - 2(5- y +4)

Others are not equivalent

3 0
3 years ago
Which of the following cannot be solved using the quadratic formula?
VLD [36.1K]

Answer:

C

Step-by-step explanation:

Quadratic formula is used only to solve the quadratic equations .

Means the equation of the form

ax^{2} +bx+c=0

In this the x^2 part is must because that only makes the equation a quadratic.

Looking at the four options given to you , only the option C has the missing x^2 term, which makes it a linear equation and hence the quadratic formula cannot be applied there .

So the right option for your question with the quadratic formula is

option

C

7 0
3 years ago
MATH PLEASE HELP TwT
kaheart [24]

Answer:

The first and the third answer!

Step-by-step explanation:

The slope is NOT -6, it is -3/2 !!

The y intercept is 0

and the last one isn't right bc the slope and intercept is wrong!!!

I hope this helps, tho!! Have an awesome day :D

7 0
3 years ago
A) y= 3x + 10<br> B) y= 3x + 60<br> C) y= 4x + 5<br> D) y= 4x + 35
Afina-wow [57]

Answer:

d or a

Step-by-step explanation:

50/55/100/105/.................

6 0
2 years ago
In a right triangle PQR,∠Q=90
Nikitich [7]

Answer:

a) PR = 17 cm, b) QR = 6 cm

Step-by-step explanation:

∠Q=90, so PQ and QR are legs, and PR is hypotenuse.

Pythagorean theorem PQ² + QR² = PR²

a) PQ² + QR² = PR²

    8² + 15² = PR²

PR² = 289

PR = 17 cm

b) PQ² + QR² = PR²

   8² + QR² = 10²

64 + QR² = 100

QR² = 36

QR = 6 cm

6 0
3 years ago
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