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Sever21 [200]
3 years ago
12

What is the y-intercept of the line y= -6x -3?

Mathematics
2 answers:
inn [45]3 years ago
7 0

Answer:

y = -3 or (0,-3)

Step-by-step explanation:

y intercept is when x is 0 so substitute 0 for x:

y=-6(0)-3=0-3=-3

y = -3

puteri [66]3 years ago
5 0

In order to find the y intercept you must substitute 0 for x and solve for y, and also simplify if needed.

y=-6x-3

y=-6\times0-3

-6\times0-3

y=0-3

-6\times 0 = 0

0-3=-3

= -3

y = (0,-3)

Therefore your answer is " y = (0,-3)."

Hope this helps.

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In △PKQ, PK = KQ = 12, m∠P = 35º. Find PQ.
Neporo4naja [7]

The length of PQ is 19.66 units

Step-by-step explanation:

The given is:

1. PK = KQ = 12

2. m∠P = 35º

We need to find the length pf PQ

∵ PK = KQ

∴ m∠P = m∠Q

∵ m∠P = 35°

∴ m∠Q = 35°

The sum of measures of the angles of a triangle is 180°

∴ m∠P + m∠Q + m∠K = 180°

∴ 35 + 35 + m∠K = 180

∴ 70 + m∠K = 180

- Subtract 70 from both sides

∴ m∠K = 110°

Let us use cosine rule to find the length of PQ

∵ PQ = \sqrt{(KP)^{2}+(KQ)^{2}-2(KP)(KQ)cos(K)}

∵ PK = 12 , KQ = 12 , m∠K = 110°

- Substitute these values in the rule

∴ PQ = \sqrt{(12)^{2}+(12)^{2}-2(12)(12)cos(110)}

∴ PQ = 19.66

The length of PQ is 19.66 units

Learn more:

You can learn more about triangle in brainly.com/question/12985572

#LearnwithBrainly

4 0
3 years ago
Are the equations 3x - -9 and 4x - -12 equivalent? Explain.<br> Please Help!!
konstantin123 [22]
No because  when  you do 3*--9 = 27 and 4*--12 =48

7 0
3 years ago
Round 307 to neatest tens
hammer [34]
310 is the nearest tenth
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5 0
3 years ago
Read 2 more answers
Which statements are true about the ordered pair (2, 3) and the system of equations?
kifflom [539]
The answer is f when 2,3 is put in for the x and y then 18 should come out 3×2=6
4×3=12 12+6=18
7 0
4 years ago
Solve for x and y. What is m
irina [24]
3x + 2y + y - 3x = 180

3y = 180

y = 180/3

y = 60

3x = y - 3x

Let y = 60

3x = 60 - 3x

3x + 3x = 60

6x = 60

x = 60/6

x = 10

Answer: x = 10, y = 60
4 0
3 years ago
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