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Lelu [443]
2 years ago
10

{5x−2y=43x−4y=−6 What is the answer

Mathematics
1 answer:
Reil [10]2 years ago
5 0

Answer:

(2,3)

Step-by-step explanation:

5x - 2y = 4           (1)

3x - 4y = -4          (2)

Multiply equation 1 by 2

10x - 4y = 8                Subtract 2 from the equation on this line

<u>3x   -4y = - 6</u>

7x = 14                       Divide by 7

x = 14/7

x = 2

5x - 2y = 4

5*2 - 2y = 4

10 - 2y = 4

-2y = 4-10

-2y = - 6

y = -6/-2

y = 3

I may not have read this correctly. Please put those 2 equations on separate lines.

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25 is 45% of what number
Oksi-84 [34.3K]

Answer: 55.56

Step-by-step explanation:

Let the unknown number be k

(45 x k) / 100 = 25

45k/100 = 25

multiply both sides by 100

45k = 25 x 100

45k = 2500

divide both sides by 45

k = 2500/45

k = 55.56

6 0
3 years ago
Is 4y - 8 &gt; 10 true?
steposvetlana [31]

4y-8>10

Add 8

4y-8+8>10+8

4y>18

Now divide both sides by 4

4y/4 > 18/4

y>9/2


Now let's see if it will be true

Replace y by its value

4(9/2)-8>10

36/2 -8 > 10

18-8 > 10

10 > 10

That's false because 10 can not smaller than 10

so it should be = instead


Answer : False


I hope that's help:)

7 0
3 years ago
What is 42 divided by 6?
irakobra [83]
42/6 is 7 because seven 6s go in 42
6 0
3 years ago
Read 2 more answers
Ashley found 2 boxes of sugar in the kitchen. The green box is 1.26 kg and the red box is 1.026 kg. Which box contains more suga
Anni [7]

Answer:

Answer:

Green box contains more sugar.

Step-by-step explanation:

Consider the provided information.

Ashley found 2 boxes of sugar in the kitchen.

The green box says 1.26 kg and the red box says 1.026 kg.

we need to find which box contains more sugar.

To find this we will first check the digit at ones place.

Both the digit has 1 at the ones place. So now check the digit at tenths place.

1.26 has 2 at tenths place while 1.026 has 0 at tenths place.

As we know 2 is greater than 0, thus the number 1.26 is greater than 1.026.

Hence, green box contains more sugar.

4 0
2 years ago
Read 2 more answers
A car loan totaling $13,456.44 is to be paid off in
LiRa [457]

Answer:

she can't.

Step-by-step explanation:

13456.44/36=373.79

8 0
2 years ago
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