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trasher [3.6K]
3 years ago
9

3х +2y = 13 2х - у = 4

Mathematics
1 answer:
shepuryov [24]3 years ago
4 0

Answer:

5x+y=17

Step-by-step explanation:

you subtract when you see the sign u add when u need to add.

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Pls tell me so quotes of not giving up
lesantik [10]

Answer:

Step-by-step explanation:

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4 0
2 years ago
What is the lcd of 1/4 and 2/3
Rudiy27
I hope this will help u <span>It looks like 12 is the smallest number that can be divided by both 3 and 4, so 12 is our LCD. Since 12 is the LCD, it will be the new denominator for our fractions. Now we'll change the </span>numerators<span> of the fractions, just like we changed the denominators. First, let's look at the fraction on the left: 1/4.</span>
6 0
3 years ago
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Please help me:) 30 points
Brut [27]

Answer:

C(N(h)) = 1400h +530

Step-by-step explanation:

x = N(h), so substitute in the expression for N(h) to get x

C(N(h)) = 35(40h) + 530

=> 1400h + 530

now pray for my lazy brain to check work it is correct

5 0
3 years ago
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The angle at which the light ray hits the water is equal to the angle at which light ray is reflected from the water?
Solnce55 [7]

Answer:

yes

Step-by-step explanation:

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4 0
3 years ago
A store sells rakes for 9$ each. if the sale of the rakes totaled 171$ how many rakes were sold
Allisa [31]
You have to get the amount of rakes sold and divide that by nine. So it would be:171 divided by 9 :)
3 0
3 years ago
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