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Mumz [18]
3 years ago
5

Help math 50 points!!!

Mathematics
2 answers:
larisa [96]3 years ago
6 0

Answer:

A. 2 Inches

Step-by-step explanation:

Levart [38]3 years ago
6 0

Answer:

A

Step-by-step explanation:

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2x+3y=1 and y=-2 - 9 solve using linear combination method. Please explain steps.
kaheart [24]

Answer:

x=17

Step-by-step explanation:

2x+3y=1

y=-2-9

  • In order to combine these two equations, an idea you need to keep in mind is finding a way of setting these equations as equal to each other. I saw that each equation shared a common value, y. In this case, we need to isolate y in the first equation so that both equations =y.

2x+3y=1

3y=-2x+1

\frac{3y}{3}=\frac{-2x+1}{3}

y=-\frac{2}{3}x+\frac{1}{3}

  • With this, we now know that both -2-9 and -\frac{2}{3}x+\frac{1}{3} are equal to y, so we can set them equal to each other.

y=-\frac{2}{3}x+\frac{1}{3}

y=-11

-\frac{2}{3}x+\frac{1}{3}=-11

  • Reply to this if anything I'm saying or doing is confusing in any way, or if you find a mistake. :) Solve for x.

-\frac{2}{3}x+\frac{1}{3}=-11

-\frac{2}{3}x=-11-\frac{1}{3}

-\frac{2}{3}x =-\frac{33}{3}-\frac{1}{3}

-\frac{2}{3}x =-\frac{34}{3}

-\frac{2}{3}x(-\frac{3}{2})=-\frac{34}{3}(-\frac{3}{2})

x=\frac{102}{6}=17

x=17

  • Hopefully this answer is correct AND makes sense in terms of how I achieved it. Again, reply to this with any questions or mistakes I made and I'll do my best to answer or fix them.

 

4 0
3 years ago
Write the number white the same value as 32
frutty [35]
I think the answer is
0.32
7 0
3 years ago
Adriana uses 1 1/4 cup of pretzels for every 1/2 cup of raisins
vekshin1

Answer:

1.25 cup of pretzels for every 0.5 cup raisins

Step-by-step explanation:

5 0
3 years ago
20 points for quick math problem what a deal! Please show work
Karo-lina-s [1.5K]

Answer:

11 cm

Step-by-step explanation:

As Y is midpoint if XZ

XY=YZ=2a+1

WZ=WX+XY+YZ=28

a+1+2a+1+2a+1=28

5a+3= 28

5a=25

a=5

XY=2a+1

=2(5)+1

=10+1

=11 cm

5 0
3 years ago
Find the slope........
Helen [10]
Answer=B -1/2

the formula for slope is

slope=y2-y1/x2-x1

To solve, lets choose two random points on the line.

(-4,-1) (-2,-2)

slope=y2-y1/x2-x1
slope=-2-(-1)/-2-(-4)
slope=-1/2
3 0
3 years ago
Read 2 more answers
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