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Ne4ueva [31]
3 years ago
9

If a + b + c = -6 and x + y = 5 what is 9y + 9x - 10a - 10c - 10b?

Mathematics
1 answer:
Finger [1]3 years ago
3 0
If u tell me the solution's like are u evaluating or what, which method is it i can tell u the answer  <span />
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Sophie has 5 pieces of string that are 4 yards each. She uses 3 pieces that are each 3 feet long. How much string does Sophie ha
stich3 [128]

Alright, lets get started.

Sophie has 5 pieces of string that are 4 yards each.

1 yards = 3 feet,

So, 4 yards = 4 * 3 =12 feet

Total number of string she has = 5 piece

So, total length she has = 5*12 = 60 feet

It means she had 60 feet string in starting.

Now, She uses 3 pieces that are each 3 feet long, means

She uses = 3*3 = 9 feet

So, remaining string length will be = 60 - 9 = 51 feet

Means 51 feet string does Sophie have. : Answer

Hope it will help :)


5 0
3 years ago
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If you subtract 16 from my number and multiply the difference by -7, the result is -154 What is my number
adell [148]

Answer:

16-x*(-7)=-154

7x =-154-16

7x/7=-170/7

X=-24.29

Step-by-step explanation:

Let x represent "my number"

7 0
2 years ago
Is 3(x+2)-10=5x-6 one souliton
gulaghasi [49]

Answer:

one solution it is x=1

Step-by-step explanation:

i can type in the steps if you want

3 0
3 years ago
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A steel worker dropped his wrench off the top of a new high rise building. How far will the wrench fall in 3 seconds?
rosijanka [135]
Using  S = ut + 1/2gt²,   from rest, u = 0

S = 1/2gt²,               g ≈ 9.8 m/s²

S = <span>1/2 *9.8*3²

</span>S = 0.5<span> *9.8*3*3 
</span>
<span>S ≈ 44.1 m</span>
6 0
3 years ago
What time is 10 minutes before 8:00 in the morning? *
strojnjashka [21]

Answer: 7:50 AM

Step-by-step explanation:

The clock goes to 60 minutes so if you subtract 10 from 8:00 AM

It will start at 7:60

7:60-10 is 7:50

6 0
3 years ago
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