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olya-2409 [2.1K]
3 years ago
10

Solve the following system of equations 3X +5Y=16 2X+7Y=7

Mathematics
1 answer:
RoseWind [281]3 years ago
8 0

Answer:

equals 56y+3x

Step-by-step explanation:

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What is a simple event?
konstantin123 [22]

Answer:

an event with no possible outcomes

Step-by-step explanation:

because there is only one posible thing that can happen

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Choose the correct response ​
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This system of equations has an infinite number of solutions. Define the solutions algebraically, and allow z to represent all r
Soloha48 [4]

Answer:

x = 12z + 1  and y = 10z - 1

Step-by-step explanation:

To solve the system of equations, we can use the substitution method

If we call

3x - 4y + 4z = 7 I

x - y - 2z = 2 II

2x - 3y + 6z = 5 III

Clearing II  x = 2 + y + 2z

Now, replacing II in III

2(2 + y + 2z) - 3y +6z = 5

4 + 2y + 4z - 3y + 6z = 5

10z - y = 1 from here y = 10z - 1

Finally, replacing y in I

3x - 4(10z - 1) + 4z = 7

3x -40z + 4 + 4z = 7

3x - 36z = 3

3x = 36z + 3

x = 12z + 1

Done

7 0
3 years ago
14 divided by 3/8 ? (The question mark is not part of the problem...neither is this..)
dmitriy555 [2]
3 divided by 8 is .375
14 divided by .375 is 37.3 repeating
and the fraction for that is 112/3

4 0
3 years ago
Read 2 more answers
Write the slope intercept form of the equation with slope 8 and y intercept (0,7)
Elanso [62]

Answer:

y=8x+7

Step-by-step explanation:

Use the form y=mx+b

M= the slope

B= the y-intercept

y=8x+?

Since the y coordinate of (0,7) is 7

b=7

So y=8x+7

4 0
3 years ago
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