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otez555 [7]
3 years ago
6

I need this done today whoever gets this correct gets brainliest!!! PLZZ HELPP MEE

Mathematics
2 answers:
Trava [24]3 years ago
7 0

Answer:

$68.75 $2.75

Step-by-step explanation:

sixty eight dollars and seventy five cents <-- multiplied

two dollars and seventy five cents <-- per

DerKrebs [107]3 years ago
4 0

Answer:

$2.75

Step-by-step explanation:

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X + y = -1<br> X - y = 7
enyata [817]
1: Solve for either x or y in one of the equations. So x + y = -1 is y = -x -1
2: substitute the new equation in the opposite equation. So x - (-x - 1) = 7
3: distribute the negative. X + x + 1 = 7
4: combine like terms. 2x + 1 = 7
5: solve for x. Subtract 1 on both sides. 2x = 6
6: divide by 2 to get x by itself. X = 3
7: plug the new value of x into one of the ORIGINAL equations. 3 + y = -1
8: solve for y. Subtract 3 on both sides.
Y = -4
9: the solution is written as (x,y) so the solution would be (3, -4)
4 0
4 years ago
Two integers, a and b have a product of 15. what is the least possible sum of a and b?
Neporo4naja [7]
If they're integers, that means they can't be fractions (such as 15/2 and 2).

So the only couples of integers that, when multiplied, result in 15 are:

1 and 15
5 and 3.

(there are no other possibilities as both 5 and 3 are not divisible further).
The smaller of the two sums (15+1; 5+3) is 5+3=8.

The least possible sum of a and b is 8.
7 0
3 years ago
Which of the following could be the perimeter of a rectangle with an area of 24 square inches?
Veronika [31]

Answer: C. 20 inches

Step-by-step explanation:

perimeter= 2 x (4+6)=20 inches

7 0
3 years ago
What is the biggest number in the world???
qaws [65]

There isn't any "biggest".

If you ever meet anybody who tells you that he has the biggest number
in the world, ask him to let you see it, and when he does, take it and add
 ' 1 ' to it.  Then YOU'll have a number that's bigger than HIS number, and
that proves that his was not the biggest.

8 0
4 years ago
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A specific aircraft can ascend 1,635 meters in 15 seconds.<br> What is the rate of ascent?
Snezhnost [94]

Answer:

109m/s

Step-by-step explanation:

You idiot sandwich

8 0
3 years ago
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