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Alexeev081 [22]
4 years ago
11

How did you fine the answer. The answer that I have is correct but how do you get to it . I need 1a 1b and 2

Mathematics
1 answer:
Anna71 [15]4 years ago
6 0

1a:

580 - (580 × .1) - 20

580 - (58) - 20

522 - 20

502

1b:

990 - (990 × .25) - 20

990 - (247.5) - 20

742.5 - 20

722.5

I'm not sure how to solve #2.

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Can someone help me solve this for extra credit in school--- please?
STatiana [176]

Answer:

<em>y = - 3x + 2 </em>

Step-by-step explanation:

y = - 3x + 5

Slopes of parallel lines are equal

( - 1, 5)

y - 5 = - 3(x + 1)

<em>y = - 3x + 2</em>

6 0
3 years ago
Find the unique value of y =3x-2
Tatiana [17]

y=3x-2

Change them side

3x-2=y

Add 2 to both sides

3x-2+2=y+2

3x=y+2

Divide both sides by 3 so we can find the x value

3x/3= y+2/3

x= 1/3 y + 2/3

I hope that's help:0

6 0
4 years ago
The Problem is 8-9 please reply back and thx for your time
schepotkina [342]

Answer:

-1

Step-by-step explanation:

8+9=17

9+8=17

17-8=9

17-9=8

But, 8-9 is -1

4 0
3 years ago
Can anyone help me with these questions please? 5 + 2x = 19 and also 4x + 3 = 27
Elza [17]

Answer:

x= 7

x=6

Step-by-step explanation:

5+2x=19

Subtract 5 from both sides

so...

2x=14

then divide by two to isolate the x

so..

x=7

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Subtract 3 from both sides

so...

4x=24

then divide by 4 to isolate the x

so....

x=6

3 0
3 years ago
Read 2 more answers
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