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Aleksandr [31]
3 years ago
13

Please help me with my work

Mathematics
1 answer:
Alexxandr [17]3 years ago
3 0

Answer:

1) -1/4

2) -1/2

3) 1/3

Step-by-step explanation:

perpendicular lines' slopes are opposite reciprocals so you flip it and change the positive or negative sign

parallel lines have the same slope

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Mary weighs n kg while her sister weighs 15 kg less. How many times is Mary heavier than her sister?
andrey2020 [161]

For this case we have to:

n: Represents the weight of Mary in Kg.

If your sister weighs 15 kg less we have:

y = n-15

Where "y" represents the weight of his sister in kg.

To find how many times Mary is heavier than her sister, we must divide Mary's weight by her sister's weight.

We have then:

N= \frac{n}{n-15}

Answer:

Mary is N= \frac{n}{n-15} times heavier than her sister.

8 0
3 years ago
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zalisa [80]
The linear equation is “y = 1/4 + 40”.
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20 pupcakes<br>15 pupcakes <br>30 pupcakes<br>25 pupcakes​
Lemur [1.5K]

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Trevor picked 5 ⅗ pounds of cherries. He distributed them evenly into 12 containers. How many pounds of cherries were in each co
natulia [17]

Answer:

7/15

Step-by-step explanation:

For me, it is easier to take the 3/5 and put it in decimal form which is .6 and add the 5 to it, making 5.6, and then in a calculator put in 5.6 divided by 12 and you should get a big decimal that's pretty big but if you have a graphing calculator and convert that to a fraction and you should get 7/15, This is a pretty lazy way of me doing it but that's how I did it.

3 0
3 years ago
Please help asap 18 pts + brainliest to right/best answer
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Which two numbers add up to -29 and multiply to 100?

-25 and -4

Rewrite the expression

<u>(x - 25)(x - 4)</u>

7 0
3 years ago
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