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leva [86]
2 years ago
9

Graph the system.

Mathematics
1 answer:
Kisachek [45]2 years ago
4 0

Answer:

for ed its 3.1

Step-by-step explanation:

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Pls help plsssssssssssssssssssssssssssssssssss
lozanna [386]

Answer:

i belive its 1

Step-by-step explanation:

Because its SUM so its adding and the sum is 22 and 20+2=22.

6 0
2 years ago
What is the measure of z?
Ymorist [56]

Solving a system of linear equations, we conclude that the measure of side Z is 2√13

<h3>How to find the measure of side Z?</h3>

Remember the Pythagorean theorem. It says that the square of the hypotenuse is equal to the sum of the squares of the legs.

In the image, we can identify 3 right triangles, and with the Pythagorean theorem, we can write a system of 3 equations.

x^2 = y^2 + 4^2

z^2 = y^2 + 9^2

(4 + 9)^2 = z^2 + x^2

We want to solve that for z.

Now, the second equation can be rewritten to:

y^2 = z^2 - 9^2

Now let's replace the first equation into the third one, so we get:

(4 + 9)^2 = z^2 + (y^2 + 4^2)

Now we can replace y^2 by z^2 - 9^2

(4 + 9)^2 = z^2 + ((z^2 - 9^2) + 4^2)

Now we can solve this:

(13)^2 = z^2 + z^2 - 9^2 + 4^2

(13)^2 + 9^2 - 4^2 = 2*z^2

104/2 = z^2

52 = z^2

√52 = z

√(4*13) = z

√4*√13 = z

2√13 = z

We conclude that the measure of side Z is 2√13

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

8 0
1 year ago
Solve 8[7 - (6x - 6)] + 6x = 0.
dsp73
Its x = 52/21 = 2.47
6 0
3 years ago
Read 2 more answers
Please help me ASAP easy problem giving brainlist!!
a_sh-v [17]

Answer:

A and C

Step-by-step explanation:

you will see a double sign inequality when your circle on the number line is shaded in. aka a closed circle

8 0
3 years ago
How long will it take me to read 125 pages if I can read 20 pages in 30 minutes?
joja [24]

Answer:

187.5

Step-by-step explanation:

7 0
2 years ago
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