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Degger [83]
3 years ago
9

Enter the value of n so that the expression (3y+1)+(2y+8) is equivalent to (ny+9)

Mathematics
2 answers:
Mariulka [41]3 years ago
5 0
It will be equivalent to (5y+9)

hope i was able to help and i wasn’t to late.
Ganezh [65]3 years ago
5 0

Answer:ikd

Step-by-step explanation:

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A contractor has 26 bags of concrete weighing 600 pounds. How much will 12 bags of concrete weigh?
Lelu [443]
12 Bags of concrete will weight about 276.923 pounds. You need to do 600 divided by 26 for an individual bag. Then multiply the answer you get from it by 12 to find out the amount for 12 bags.
7 0
3 years ago
If x + 3 is a factor of x3+3x2+ax−12, what is the value of a?
marissa [1.9K]

Answer:   -4

Step-by-step explanation:

p(x)=x^3+3x^2+ax-12

x+3 is factors means it divide completely so x=-3

p(-3)=(-3)^3+3(-3)^2+a(-3)-12

  -27+27-3a-12=0

 -3a-12=0

3a=-12

a=-12/3

a=-4

4 0
3 years ago
Read 2 more answers
75 student in schoolband 45 students play wwodwing what is the percent
Grace [21]
12% if I got my math right but I'm positive I do
6 0
3 years ago
a sidewalk is 5ft wide, 6in deep, and 220 ft long. how many cubic yards of concrete are needed to fill it?
tangare [24]

Answer:

1100/54 yds

Step-by-step explanation:

First convert inches and feet to yards

[3 ft = 1 yd, 12in = 1yd]

5ft = 1 2/3 yds

6in = 1/6 yds

220ft = 73 1/3 yds

Now use the volume formula,

b*w*h = A

[1 2/3] * [1/6] * [73 1/3]

= [5/3] * [1/6] * [220/3]

= [5/18] * [220/3]

= 1100/54 yds

8 0
3 years ago
Can you help me please?
astraxan [27]

Answer:

please be spacific

Step-by-step explanation:

because if you dont people will give you a stupid answer

8 0
3 years ago
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