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bezimeni [28]
3 years ago
14

Please help, will mark Brainly and if you need help with anything I’ll help with any work you send

Mathematics
1 answer:
inessss [21]3 years ago
6 0

Answer:

The first one is missing (d - 9) so it would be 5(d -9) or when you factor it out 5d - 45

In the second one (d + 7) is missing so it will be 8d(d + 7) so if you factor that out you will receive 8d^2 + 56

Step-by-step explanation:

3d^2 + 18d -21 =(3d -3)( d + 7)

3d^2 -30d +27 =(3d -3)(d - 9)

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4x - 2y = -14<br> 3х - у = -8
oksian1 [2.3K]

are you trying to add them all together if so here how that would work

4x-3x=1x

2y-(1)y =1y(if the y is alone theirs a 1 always infront of it)

-14-8=-22

6 0
3 years ago
Which instruments belong to the brass family?
Harrizon [31]
Trumpet, trombone, tuba,
6 0
3 years ago
Read 2 more answers
8
Pani-rosa [81]

Answer:

D. 0.019 years of age per year

Step-by-step explanation:

4 0
3 years ago
How many 1/8th are in 1 2/16
mamaluj [8]

Answer:

9

Step-by-step explanation:

2/16 can be rewritten into 1/8

so 1 1/8 is 9/8

So there are 9 1/8ths in 1 2/16

Hope this helps!

6 0
2 years ago
Read 2 more answers
Ques no 1 b) help me!!!!! <br> I will give you brainliest plzzz
saul85 [17]

Answer:

-4/5

Step-by-step explanation:

r=x/2

a=2x

ar²=-1/16

x^3=-1/8

x=-1/2

sn=a/1-r

=-4/5

6 0
3 years ago
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