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TiliK225 [7]
3 years ago
6

.y=x+2 y = 2x - 5 How do we solve this

Mathematics
2 answers:
Ede4ka [16]3 years ago
7 0

Answer:x=7 and y=9

Step-by-step explanation:

y=x+2

y=2x-5

Rearrange we get

x-y=-2

2x-y=5

Solve simultaneously we gets

Using elimination method

-x=-7

x=7

Substitute for x in equation I

x-y=7

7-y=-2

y=9

otez555 [7]3 years ago
5 0

Answer:

X=7

Y=9

Step-by-step explanation:

.y=x+2

y = 2x - 5

Use equivalents y=y so you get:

X+2=2x-5

X-2x=-5-2

-x=-7

X=7

Y=x+2=7+2=9

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Answer:

3

Step-by-step explanation:

3×3=9+2=11. so 3 is the answer.

3 0
3 years ago
A machine can make a box in 1 3/10 seconds. How many boxes can the machine make in 1 hour
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Since a machine make a box per 0.3 seconds, 1 hour would be 3600. 3600 divided by 0.3 is 12000. And that is the answer.

     

4 0
3 years ago
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Last summer ,at camp okey fun okey,the ratio of the number of boys campers to the girls campers was 8:7. If there were a total o
olya-2409 [2.1K]
<span>With a boys to girls ratio of 8:7, this means 8/15 of the campers are boys and 7/15 of the campers are girls.

We are told that there are 195 total campers.

To find # of boys: 195 (the total # of campers) x 8/15 (fraction of the campers that are boys) = 104  boys

To find # of girls: 195 (total # of campers) x 7/15 (fraction of the campers that are girls) = 91 girls

Note: If you do not know how to multiply by fractions, let me know, I have another trick that takes more time but doesn't require the use of fractions.




</span>
3 0
3 years ago
A <br> is a number formed by multiplying ten by a number.
PIT_PIT [208]

I'm not really sure what the question is here, because you just gave a statement... but if you are trying to get an expression from words, here is what it would be:

A = 10N

I'm also not sure if "a number" is equal to the same as "a number" at the end, but I'm guessing not. If it is though, and you're trying to find the value of A, the answer would be:

A = 10

<em>*</em><em>Please provide the question you are asking here, not just statements, next time, so that people can help you.</em>

<em />

I hope this helped :)

3 0
2 years ago
Mrs Morrison’s math class starts at 11:30 If the class ends at 1:00 how long is Mts.Morrison teaching
e-lub [12.9K]
He teaches for 1 hour and 30 minutes
7 0
3 years ago
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