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Eduardwww [97]
3 years ago
9

Rewrite these formulas: solve for u in terms of the other variables.

Mathematics
1 answer:
ollegr [7]3 years ago
8 0
#1-9. #10-12

the answer to the questions

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Substitution<br> 1.y=-5x-19<br> y=-6x-24<br><br> 2.y=-6x-22<br> y=-3x-10
omeli [17]

Answer:

1. y=5 and x=-5

2. y=2 and x=-4

Step-by-step explanation:

1.y=-5x-19

y=-6x-24

since both equations are equal to y, they are also equal to eachother

-5x-19=-6x-24

addition P.O.E.

x-19=-24

addition P.O.E.

x=-5

substitute x into one equation

y=-5*-5-19

y=6

2. y=-6x-22

y=-3x-10

since both equations are equal to y, they are also equal to eachother

-6x-22=-3x-10

addition P.O.E.

-22=3x-10

addition P.O.E.

-12=3x

division P.O.E.

-4=x

substitute x into one equation

y=-3*-4-10

y=2

5 0
3 years ago
There are 40 students in a class.
VashaNatasha [74]

Answer:

6 boys have brown hair.

Step-by-step explanation:

40*0.6 = 24 boys in the class.

24 * 0.25 = 6 boys have brown hair.

3 0
3 years ago
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Determine if the lines are parallel, perpendicular, or neither.<br> y=-2x – 4<br> 2x + y = 5
Otrada [13]

Answer:

parallel I think

Step-by-step explanation:

move the x to the left and divide by y to simplify. the new equation for the bottom will be y=-2x+5. For it to be parallel they have to have the same slope

7 0
3 years ago
Write the expanded form of 9,003,840,165
Tanya [424]
9,000,000,000 + 3,000,000 +800,000 +40,000 + 100 + 60 +5 

~ Here you go (/>ω<)/
6 0
3 years ago
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I NEED HELP I GIVE U BRAINLIEST OR WHATEVER
Anna71 [15]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
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