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aalyn [17]
3 years ago
12

HELP WILL GIVE BRAINLIST NO FAKE ANSWERS

Mathematics
1 answer:
andre [41]3 years ago
5 0

Answer

2.5w+4=2u

3. z+6*y

4. 2.5/a=4

Step-by-step explanation:

sorry about the other ones they were confusing hope these are right if not im  so sorry

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5 1/4 divided by 2/5
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Step-by-step explanation:

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5x−4y=−10<br> y=2x−5<br> ​ <br><br> x=x=x, equals <br> y=y=y, equals
Dafna11 [192]

Answer:

<h2><u>✎</u><u> </u><u>ANSWER:</u><u>-</u></h2>

y = 2x - 5

Substitute the value of y as 2x - 5 in the equation.

5x - 4y =  - 10 \\ 5x - 4(2x - 5) =  - 10 \\ 5x - 8x + 20 =  - 10 \\ 5x - 8x =  - 10 - 20 \\   - 3x =  - 30 \\ x =  \frac{ - 30}{ - 3}  \\ x = 10

Now, find the value of y

y = 2x - 5 \\ y = 2(10) - 5 \\ y = 20 - 5 \\ y = 15

⎇ x = x = x, equals <u>1</u><u>0</u>

⎇ y = y = y, equals <u>15</u>

5 0
3 years ago
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A jacket is on sale for $170. this is 80% of the regular price. what is the regular price
Ilya [14]

Answer:

$212.5

Step-by-step explanation:

x= 100*170/80

x= 17000/80

x= 212.5

3 0
3 years ago
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