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Oksi-84 [34.3K]
3 years ago
12

Simplify by using the distributive property: ​

Mathematics
1 answer:
lesya692 [45]3 years ago
3 0
12. 4(s+5)
4s+20

15. 2(3r-12)
6r-24

18. -3(16-3d)
9d-48
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Solve 3x2 18x 15 = 0 by completing the square.
iren2701 [21]
3(x^2 + 6x + 5) = 0
3(x^2 + 6x + 9 + 5 - 9) = 0
3(x + 3)^2 + 3(-4) = 0
3(x + 3)^2 - 12 = 0
3(x + 3)^2 = 12
(x + 3)^2 = 4
x + 3 = sqrt(4)
x = -3 + or - 2
x = -3 + 2 or -3 - 2
x = -1 or -5
The correct answer option is option c.
3 0
3 years ago
For f(x)=3x+1 and g(x)=x^2-6 find (fog)(4)
m_a_m_a [10]
F(x) = 3x+1
G(x) = X^2 - 6
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6 0
3 years ago
2x-1=3/4x+9<br> Help Me Brainilist to whoever explains the best
alexdok [17]

Answer:

x=8

Step-by-step explanation:

normally it would be 2x-1=\frac{3}{4}x+9 so now we have to combine the x into one fraction which will be 2x-1=\frac{3x}{4}+9 now for my way i will be taking the -1 to the other side and when that happens its going to become positive so now the answer will be 2x=\frac{3x}{4}+10 ok so now we have to have the x's to the same side so i have to drag the fraction to the other side and making it positive which will conclude into 1.25x=10 and now 10 divided by 1.25 is 8 so the answer is x=8 (sorry for the ok nows) hope this helped

5 0
3 years ago
Read 2 more answers
Question 3
DanielleElmas [232]
It would be -6. -4-6 is -10
6 0
3 years ago
If the pictures cost .29 cents and you have 353 pictures how much would it could all together
Viefleur [7K]

Answer:

102.37

Step-by-step explanation:

.29*353=102.37

8 0
3 years ago
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