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yarga [219]
2 years ago
14

1/2x+y = 3 y = 3x + 10 Solve using substitution

Mathematics
1 answer:
just olya [345]2 years ago
4 0

Answer:

(-2,4)

x = -2 y = 4

I hope this helps

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In triangle ABC, mZA = 47° and mZB= 70°
balu736 [363]
Answer is 63

180-(70+47)=63
Because in triangle sum of all angles is 180 degree.
7 0
1 year ago
What percent of 21.5 is 55.04
amid [387]
Percent formula : is/of = % / 100

what percent of 21.5 is 55.04...
% = x....because this is what we r looking for
is = 55.04
of = 21.5
now we sub into the formula
55.04 / 21.5 = x / 100
cross multiply because this is a proportion
(21.5)(x) = (100)(55.04)
21.5x = 5504
x = 5504 / 21.5
x = 256 <== so ur answer is 256%
5 0
3 years ago
Jonah cuts a board that is 33 inches long into 4 pieces of equal length. He uses the pieces for the sides of a picture frame. He
Ilya [14]
8. 1 5
4/33.00
32
10
8
20
20
0

8.15+8=10.15

The answer is 10.15 inches long for each frame.
7 0
3 years ago
What is the domain and range? <br><br> {(-7,5), (-6,1), (-5,0), (-4,1)}
Monica [59]
The Domain is the first number of the pair
D= -7, -6, -5, -4
The Range is the second number of the pair
R= 5, 1, 0, when a number repeats like the number one you can put it once.


8 0
3 years ago
Find the value of x.
nadezda [96]

Answer:

25

Step-by-step explanation:

The median of a trapezoid equals one half of the sum of the bases

AC is a median and EB and DF are the bases.

hence AC = 1/2(EB + DF)

We are given that EB = 13 and that AC = 19. And we need to find DF

To do so we plug in what we are given and solve for DF

AC = 1/2(EB + DF)

AC = 19, EB = 13

19 = 1/2(13 + DF)

Now solve for DF

* Multiply both sides by 2*

19 * 2 = 38

1/2(13 + DF) * 2 ( the 1/2 and 2 cancel out and we're left with 13 + DF )

We then have 38 = 13 + DF

* Subtract 13 from both sides *

38 - 13 = 13 - 13 + DF

We get that DF = 25

6 0
2 years ago
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