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MAXImum [283]
3 years ago
14

1. The point (3, 1) is on the line whose equation is 2x + y = c. What is the value of c?

Mathematics
1 answer:
Otrada [13]3 years ago
8 0

Answer:

c = 7

Step-by-step explanation:

Given

2x + y = c

Since (3, 1) is on the line then it makes the equation true,

Substitute x = 3, y = 1 into the equation

2(3) + 1 = c

6 + 1 = c

7 = c

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Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Having trouble with this one can someone teach me how to find the slope in this question. Try to help me learn it aswell. Its in
ASHA 777 [7]
Hi there! The answer is -2.

We can find the slope of a formula by using the following formula:

slope = \frac{change \: of \: y}{change \: of \: x} =\frac{y2 - y1}{x2 - x1}
x2 and y2 don't mean squared, but the x and y coordinate of our second point.

First we need to find two points on the line. Ijn this particular case we have (-3, 3) and (1, -5). Now we can fill in the formula.

slope = \frac{ - 5 - 3}{1 - - 3} = \frac{ - 8}{4} = - 2

Therefore, the third answer is correct.
~ Hope this helps you!
7 0
3 years ago
Find 10 rational number between 6/7 and -5/7 please give me right solution​
erik [133]

Answer:

Step-by-step explanation:

Note that the distance from -5/7 to 6/7 is 6/7 - (-5/7) = 11/7.

So, if you take steps of 1/7 each, there are 10 steps between -5/7  = 11/7.

-4/7, -3/7, -2/7, ..., 5/7

3 0
3 years ago
Which choice gives the center and radius of the circle represented by the equation?
shutvik [7]
(x-h)^2+(y-k)^2=r^2 is the equation of a circle centered at (h,k) with radius r.

Here h=7, k=-3, and r^2=25\implies r=5. So the answer is (C)
3 0
3 years ago
Can someone help me with 4-6 plz
satela [25.4K]

Step-by-step explanation:

4. To use SSS, you need three pairs of congruent sides.  You're given two pairs of congruent sides, so the additional information needed is WY ≅ KM.

5. To use ASA, you need a pair of congruent sides between two pairs of congruent angles.  You're given one pair of congruent angles, and since the triangles share a common side, we know BC ≅ BC.  So the additional information needed is ∠WBC ≅ ∠ACB.

6. To use SAS, you need a pair of congruent angles between two pairs of congruent sides.  You're given two pairs of congruent sides, so the additional information needed is ∠I ≅ ∠F.

4 0
3 years ago
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