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Mama L [17]
4 years ago
10

Can someone please explain how to do these and give me the answer for this one I am really struggling please!! ;)

Mathematics
1 answer:
marusya05 [52]4 years ago
7 0

Answer:

if you copy this whole thing and put it into google you can find all the answers

Step-by-step explanation:

it's called solutions to algebra or whatever math ur in and you find the chapter and lesson you on and click the exercises under that lesson you'll get the answers to every problem I know this cuz I use big ideas math to

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2x+3y=13<br> 4x-y=2<br> solve the simaltaneous equation
nekit [7.7K]

Solve by substitution. We begin by manipulating the second equation (solving for y).

2x+3y=13

4x-y=-2 => -y=-4x-2 => y=4x+2

Now substitute "4x+2" for y into the first equation because y=4x+2.

2x+3y=13 becomes 2x+3(4x+2)=13

Now solve for x.

2x+3(4x+2)=13

2x+12x+6=13

14x=7

x=1/2

Now we can solve for y because we know what x is.

y=4x+2 => y=4(1/2)+2 = y=4

answer: x=1/2, y=4, intersection point (1/2,4)

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3 years ago
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Answer:

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20 points! <br> What are the graphing coordinates for:<br> g(1)=-3(1/2)
slega [8]

Answer:

(-1,5,0)

Step-by-step explanation:

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3 years ago
3x -2 &gt; -11<br><br> (The &gt; has an underscore under it)
user100 [1]

3x-2\geq-11

3x\geq-9

x\geq-3

x\in[-3, \infty)

Hope this helps.

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How many times greater. Is the value of 8 in 18,272 than the value of 8 in 17,282
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1,8272 --- 8,000

17,282 --- 80

8,000÷80=100 times greater

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3 years ago
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