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IgorLugansk [536]
3 years ago
10

Please HELP with these 3 questions

Mathematics
1 answer:
Murrr4er [49]3 years ago
5 0

Answer:

can't see it

Step-by-step explanation:

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Solve by substitution <br><br> 4x+2y=10<br> x-y=13
Savatey [412]
<span>4x+2y=10
x-y=13

x=13+y
4(13+y)+2y=10
52+4y+2y=10
52+6y=10
6y=-42
y=-7
x=13+y=13-7=6

</span>
8 0
3 years ago
Read 2 more answers
Which prism has a greater volume?
kvv77 [185]
For A, the volume is 2 x 1 x 7 = 14
for B, the volume is 3 x 3 x 2 = 18

so B has a greater volume

please give brainliest! thanks, :D
8 0
2 years ago
When an object with a momentum of 80 kg ´ m/s collides with an object with a momentum of –100 kg ´ m/s the total momentum after
mojhsa [17]
This is a physics problem.

The law is that the momentum is preserved: total momentum before collsion = total momentum after collision

Momentum before collision = 80 kg.m/s - 100 kg.m/s = -20 kg.m/s

Then answer is b. - 20 kg.m/s
3 0
2 years ago
the only difference between an isosoleces trapezoidand parallel trapezoid are that the non-parellel sides are congruent
ludmilkaskok [199]
Is this a true or false type of question
4 0
3 years ago
Which equation matches the graph below?
Oksana_A [137]

Answer:Given that the graph shows tha the functión at x = 0 is below the y-axis, the constant term of the function has to be negative. This leaves us two possibilities:

y = 8x^2 + 2x - 5 and y = 2x^2 + 8x - 5

To try to discard one of them, let us use the vertex, which is at x = -2.

With y = 8x^2 + 2x - 5, you get y = 8(-2)^2 + 2(-2) - 5 = 32 - 4 - 5 = 23 , which is not the y-coordinate of the vertex of the curve of the graph.

Test the other equation, y = 2x^2 + 8x - 5 = 2(-2)^2 + 8(-2) - 5 = 8 - 16 - 5 = -13, which is exactly the y-coordinate of the function graphed.

Step-by-step explanation:

6 0
3 years ago
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