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Blababa [14]
2 years ago
6

Solve by elimination -8x+8y=19-4x+4y=8

Mathematics
1 answer:
Harrizon [31]2 years ago
6 0

Answer: the first one :x=y+ −19 /8

the second one:  x=y−2

Step-by-step explanation:

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Arati posted a comment on her blog. Each day the number of responses to her comment was 125% of the number she received on the p
zvonat [6]

If the next number is 125% of the previous number, that means that the previous number is increasing by 25% each time.

The multiplier for increasing by 25% is:

(100 + 25) ÷ 100 = 1.25

So on day one, there are 64 responses. That means on day two, there will be:

---> 64 x 1.25 = 80 responses

On day 3, there will be:

---> 80 x 1.25 = 100 responses

Finally, on <u>day 4</u>, there will be:

---> 100 x 1.25 = 125 responses

A quicker way of getting this would be to do:

64 x 1.25³      since you are multiplying by 1.25  3 times

--------------------------------------------------

Answer:

125 responses

5 0
3 years ago
Can anyone help me out ?
svlad2 [7]

Answer:

what is your question.. if any problems then I will try to solve if I know.

4 0
3 years ago
Please help! Question above
frez [133]

Answer:

It's the first one. (m  + n - 1) sqrt p

Step-by-step explanation:

We can combine m sqrt p and n sqrt p, resulting in m + n, and combine - sqrt p to become (m + n - 1)sqrt p

3 0
3 years ago
A piece of green rope is being used to make a border around the outside of a sculpture that is in the shape of an equilateral tr
damaskus [11]

Answer:

The equivalent expressions are;

9x + 9

and

9(x + 1)

Step-by-step explanation:

Mathematically, we should understand that an equilateral triangle has all of its sides equal

So if one side is 3x+ 3, the other sides too measures same

Therefore, the length of the rope represents the perimeter of the triangle

This is obtainable by adding all the side lengths together

This will be;

3x + 3 + 3x + 3 + 3x + 3 = 9x + 9

This is also same as 9(x + 1)

5 0
3 years ago
Threre are 25 streets in squaresville each day there 5 police officers working if all of the officers want to patrol the same nu
salantis [7]

Answer:

you would divide 25 by 5.

Step-by-step explanation:

each of the 5 officers would patrol 5 streets with a final of 5 x 5 = 25.

5 0
3 years ago
Read 2 more answers
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