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MAVERICK [17]
2 years ago
6

What is y=x 9x-2y=-49 using substitution

Mathematics
1 answer:
Veronika [31]2 years ago
6 0

Answer:

y= -7

Step-by-step explanation:

Substitute y for x in the equation since the rule is true.

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julia-pushkina [17]

Answer:

13

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The theorem is that for a line bisecting two parallel lines, the oposite angles are equal. Hence, you can formulate the equation 4x+18 = 7x-21, which solves to 13.

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2 years ago
Which is the best estimation of
Tcecarenko [31]

Answer:

The answer to this would be:

B) between 2.6 and 2.7

Step-by-step explanation:

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3 years ago
Ms. Albero decided to make juice to serve along with the pizza at the Student Government party. The directions said to mix 2 sco
frutty [35]

Step-by-step explanation:

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3 years ago
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Find all polar coordinates of point P = (9, 75°).
zubka84 [21]

Answer:

1) (9, 75+360n)

2) (−9, 255+360n)

Step-by-step explanation:

(9, 75) is same as (9, 75 + 360)

so it would be (9, 435)

It can also be expressed as (-9, 75 + 180 degrees)

so (-9,255) degrees

In general, (9,75+360 n) for n≥0 represents half of the possible ways of representing the point : (9,75)  

6 0
3 years ago
Solve four square root of two plus five square root of four and explain whether the answer is rational or irrational. The answer
Rina8888 [55]

Answer:

A.The answer four square root of two plus ten is irrational because the sum of a rational number and irrational number is an irrational number.

Step-by-step explanation:

Given the question as 4√2 + 5√4 the sum is  

4√2 + 5*√4

4√2 + 5*2

4√2 + 10

Putting an irrational number in decimal form, it goes on forever without repeating.

4*√2 +10 = 4× 1.41421356237 +10

=15.6568542495----------------which irrational

8 0
3 years ago
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