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Elza [17]
3 years ago
14

Evaluate the expression when y=-3

Mathematics
2 answers:
Ratling [72]3 years ago
7 0
Y=-3
subtitute to y^2 + 6y +8
= (-3)^2 + 6(-3) + 8
= 9-18+8
= -1
valkas [14]3 years ago
5 0

Answer:

-1

Step-by-step explanation:

Substitute in the known variables:

y^2 + 6y + 8\\(-3)^2 + 6(-3) + 8\\

-3 * -3 = 9\\(-3)^2 = 9

9 + 6(-3) + 8\\9 + (-18) + 8\\9 - 18 + 8

= -1

Hope this helps!

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What do i put next?? (Unit Fractions Divided by Whole Numbers)
Butoxors [25]

Answer:

your answers should be 4, 4, 12, 1/12. in that specific order. the first one is wrong because if it was 12 thirds there would be 36 equal parts. Hope this helps. :)

Step-by-step explanation:

5 0
3 years ago
Simplify the expression: 2(5r + 8) - 4
wlad13 [49]

Answer:

10r + 12

Step-by-step explanation:

5 0
3 years ago
-1/4(-8x+12y) what is this answer cause I need it it is a big q<br> question
Pie

Answer:

2x - 3y

Step-by-step explanation:

Step  1  :

           1

Simplify   —

           4

Equation at the end of step  1  :

       1

 0 -  (— • (12y - 8x))

       4

Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  12y - 8x  =   -4 • (2x - 3y)

Equation at the end of step  3  :

 0 -  (3y - 2x)

Step  4  :

Final result :

 2x - 3y

Processing ends successfully

plz mark me as brainliest :)

7 0
4 years ago
8^12/8^9=8^?-^?=?^? pls hurry im so puzzled my brain hurts
elena-14-01-66 [18.8K]

Answer:

\frac{8^{12} }{8^{9} }=8^{12-9}=8^{3}

Step-by-step explanation:

6 0
2 years ago
Valentina's family is planning to have a party for her quinceanera. They are considering two different locations to rent for her
CaHeK987 [17]

Answer:

number of hours = 3 hours

Step-by-step explanation:

Let

x = number of hours

Casa Lucia = 200 + 500x

Silver Fox = 1,100 + 200x

To solve the equation, equate both cost of rent

Casa Lucia = Silver Fox

200 + 500x = 1,100 + 200x

200 - 1,100 = 200x - 500x

-900 = - 300x

x = -900 / -300

x = 3 hours

number of hours = 3 hours

The solution to the system of equations in this real-world context represents the number of hours both locations can be rented with the same cost.

It means both locations cost the same if rented for 3 hours each

3 0
3 years ago
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