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Aliun [14]
3 years ago
5

Please help and answer

Mathematics
1 answer:
Anni [7]3 years ago
8 0

Answer:

A

Step-by-step explanation:

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28/29 and 30 please short explanation thanks
Bond [772]

Answer 28.

Possible values for the three factors of -3

  1. 1, -1 and 3
  2. -1.5, 1 and 2
  3. 1.5, -1 and 2  
  4. 1.5, 1 and -2

Answer 29.

The product of two nonzero integers will be less than or equal to both of the integers if they are multiplied by number itself and one or by number itself and one with negative sign.

Answer 30.

The sign of the product of three integers with the same sign will be positive or negative. If odd number of same sign is multiplied, the product will be of that sign.

(+)  (+)  (+) = (+)

(-)  (-)  (-) =  (-)

3 0
3 years ago
One side of a triangle is two times the second side. The third side is 5 feet longer than the second side. The perimeter of a tr
Sphinxa [80]
Second side= x
First side = 2x
Third side = x+5
x+2x+x+5=49
4x=44
x=11

1st side= 22
2nd side = 11
3rd side = 16
3 0
2 years ago
Michael gets 52% better at press<br> ups. He used to be able to do 62.<br> How many can he do now?
maria [59]

Answer:

94 press ups

Step-by-step explanation:

62 x 1.52 = 94.24

               ≈94

4 0
2 years ago
Find the solution to the system of equations x = -6 + 2y and x = 2y + 2.
andrew-mc [135]

x=-6+2y

x=2+2y

by subtraction

___________________________

x=-8

Substitute x by one of the two equations :

x=-6+2y

-8=-6+2y

2y=-8+6

2y=-2

y=-2/2

y=-1

I think this is the answer

I hope I helped you^_^

5 0
3 years ago
Michael sold 23 of his CDs and purchased 16 more. If Michael has 25 CDs now, how many CDs did he have to begin with?
olga_2 [115]
The correct question is
<span>Michael sold 2/3 of his CDs and purchased 16 more. If Michael has 25 CDs now, how many CDs did he have to begin with?

Let
x--------------> numbers of CDs Michael have to begin

if Michael sold (2/3)x-----------> </span><span>are pending to sell (1/3)x

we know that
(1/3)x+16=25--------> </span>(1/3)x=25-16-------> (1/3)x=9---------> x=27

the answer is 27 CDs

6 0
3 years ago
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