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kirill115 [55]
3 years ago
10

Please help me with this

Mathematics
1 answer:
viktelen [127]3 years ago
6 0

Answer:

zero product property of multiplication

Step-by-step explanation:

step 2 is valid, because for the main expression in step 1 to be true, only one of the 2 factors need to be 0, as

0 × something is always 0.

therefore, it is sufficient to find the values of x that renders the expression of one factor to 0.

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Jerry bought toy trains at the store. He gave 15 away and had 9 left. Which of the following shows how
Paladinen [302]

The answer of this question is<u> 24 toy trains.</u>

<u>Step-by-step explanation:</u>

Given,

Jerry gave away 15 trains .

Jerry left with 9 trains .

Jerry total brought toy trains = given away toy trains  + left with toy trains

Total toy trains = 15  + 9

Total toy trains  = 24

<u>Jerry brought a total of 24 toy trains.</u>

7 0
4 years ago
The perimeter of a parallelogram is 180 cm. One side exceeds the other by 10 cm. What are the lengths of adjacent sides of the p
Georgia [21]

Answer:

one side is 40 other is 50

Step-by-step explanation:

perimeter=180cm

let one side=length=x

Acc. to condition:

other side=width=x+10 (one side exceed other by 10)

perimeter= 2(length+width)

subtitue all values given above:

180=2(x+x+10)

180=2(2x+10)

2x+10=180/2

2x+10=90

2x=90-10

2x=80

x=40

now

lenght=x=40cm

width=x+10=40+10

width=50cm

8 0
3 years ago
HELP IAM BEING TIMED
MaRussiya [10]

Answer:

B

Step-by-step explanation:

given y = kx

To find k use the x and y values of the coordinate point given (- 5, 3)

k = \frac{y}{x} = \frac{3}{-5} = - \frac{3}{5}

7 0
3 years ago
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Answer:

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