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Alja [10]
3 years ago
10

Find the solution of this system of equations 10x-7y=-1 -2x-7y+-25

Mathematics
1 answer:
leonid [27]3 years ago
3 0
The answer to this question is  y=3, x=2

I hope this helps!!!!!!!!

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In need help to answer this question ​
andrezito [222]

Answer:

1 6/7

Step-by-step explanation:

1 & 6/7

6 0
3 years ago
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Determine which of the following equations, when graphed, intersect at the point (4, 0). Select all that apply. x - y = 4 -x - y
Elza [17]

Answer: only (x-y=4) and (x+y=4).


Step-by-step explanation:

Notice target point has y=0, so all terms with y are zero. Then all 6 equations reduce to m x = k, for various m and k. So calculate 4×m and compare to k six times.


x - y = 4 4=4 yes

-x - y = 4 -4=4 no

2x - y = 7 8=7 no

x + y = 4 4=4 yes

2x + y = 7 8=7 no

2x + y = -7 8=-7 no.

6 0
3 years ago
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Analyze the diagram below and complete the instructions that follow?
yan [13]

Answer:

The exact value of tan(M) is 5/12 ⇒ answer (C)

Step-by-step explanation:

* Lets revise the trigonometry functions

- In ΔABC

# m∠B = 90°

# Length of AB = a , length of BC = b and length of AC = c

# The trigonometry functions of angle C are

- sin(C) = a/c ⇒ opposite side to ∠C ÷ the hypotenuse

- cos(C) = b/c ⇒ adjacent side to ∠C ÷ the hypotenuse

- tan(c) = a/b ⇒ opposite side to ∠C ÷ adjacent side to ∠C

* Now lets solve the problem

- In ΔONM

∵ m∠N = 90°

∵ MN = 12

∵ ON = 5

∵ tan(M) = ON/NM ⇒ opposite side of ∠(M) ÷ adjacent side of ∠(M)

∴ tan(M) = 5/12

* The exact value of tan(M) is 5/12

6 0
3 years ago
Which statement is true about the value of the expression below?
lesantik [10]
It’s between 0 and 1
6 0
3 years ago
The sides of a triangle are 15 units, 25 units, and 20 units. What kind of triangle is this
DIA [1.3K]

Answer:

Right Triangle

Step-by-step explanation:

15² + 20² = 225 + 400 = 625 = 25²

8 0
3 years ago
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