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hjlf
3 years ago
5

What is the equation of the line passing through the points (-4,-7) and (8,-13)

Mathematics
2 answers:
Valentin [98]3 years ago
6 0

Answer:

6/-12 = -1/2

Step-by-step explanation:

do you want an explanation?

btw, plz brainliest :)

hodyreva [135]3 years ago
3 0

Answer:

y=5/3x-79/7

Step-by-step explanation:

(-4, -7)

x1    y1

(8,-13)

x2   y2

y2-y1/x2-x1=

13+7/8+4= 20/12= 10/6= 5/3

y=5/3x+b

-7=5/3(-4)+b

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patriot [66]

Answer:

yes, it is a right triangle and ∡Q is the right angle

Step-by-step explanation:

if the slope of QR is the opposite reciprocal of QS then the two segments are perpendicular and form a 90° angle

slope of QR:  -3 - (-1) ÷ 2 - 0  = -2 ÷ 2 = -1

slope of QS:  -3 - (-1) ÷ 2 - 4  = -2 ÷ -2 = 1

-1 and 1 are opposite and reciprocal so m∡Q = 90°

8 0
2 years ago
ABC is a right triangle with AB = AC. Bisector of ∠A meets BC at D. prove that ∆ ABC ≅ ∆DEF
Olegator [25]

Answer:

Triangles ABC and DEF have the following characteristics :B and E are right angles A=D, BC=EF which congruence theorem can be used to prove ABC =DEF

5 0
3 years ago
A video game company surveys a random sample of 225 of its best customer and finds that the average gamer spends $406 a year on
Burka [1]
The second survey is more believable because there is randomness in the second rather than the first survey. Since the second company surveyed in all interest levels while the first company only surveyed their best customers. Random sampling like what the second company did helps produce representative samples by removing voluntary response bias and undercover age bias.
8 0
2 years ago
Can someone help me here​
bearhunter [10]

Answer:

1.

Step-by-step explanation:

1. sin 241 = sin(61 + π) = -sin61 = -t^(1/2)

2. sin^2 + cos^2 =1, cos 61= (1-t)^(1/2)

3. [2sin^2 (x)sin(x) +2cos^2 (x)sin(x)]/2cos(x) = 2sin(x) / 2cos(x) = tan(x)

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x do not equal to 90,270。

3 0
2 years ago
Find the m∠1, if p|| q, and m∠4 = 125 degrees. m∠1 =
polet [3.4K]

Step-by-step explanation:

m<5=180-m<4 (linear pair)

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m<5=m<1 ( alternate angle)

therefore, m<1 = 55°.

hope this helps you.

8 0
2 years ago
Read 2 more answers
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