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zaharov [31]
2 years ago
15

Can somebody help me answer this and explain it to me?

Mathematics
1 answer:
AnnZ [28]2 years ago
6 0
Can i see the options? i’m pretty sure the first one is EF and the second one is A units
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The coordinates of A, B, and C in the diagram are A (p, 4), B (6, 1 ), and C (9, q). Which equation correctly relates p and q? ↔
aivan3 [116]

Answer:

  D.  p + q = 7

Step-by-step explanation:

The slope of AB is ...

  mAB = (y2 -y1)/(x2 -x1) = (1 -4)/(6 -p) = -3/(6 -p)

The slope of BC is ...

  mBC = (q -1)/(9 -6) = (q -1)/3

We want the product of these slopes to be -1:

  mAB·mBC = -1 = (-3/(6 -p))·((q -1)/3)

  -(q-1)/(6 -p) = -1 . . . . cancel factors of 3

  q -1 = 6 -p . . . . . multiply by -(6 -p)

  q + p = 7 . . . . . matches choice D

8 0
3 years ago
20 points! I need the answer ASAP! Thanks!
serious [3.7K]

Answer: y=5/7x+2

Step-by-step explanation:

The y- intercept would be 2 since that is where the line goes through the y axis. Also if you use slope form you will see that the slope is 5/7.

5 0
3 years ago
The number of club members is at least 25
gladu [14]
5 x 5 is your answer
Have a great day
4 0
3 years ago
Which number line shows the estimate of 22 in the correct interval of integers?​
Marta_Voda [28]

Answer:

the answer is B

Step-by-step explanation:

Just estimate ex: 5 x 5 would be 25, so sqrt 22 would be just before the 5.

5 0
3 years ago
Read 2 more answers
PLEASE HELP!!! WILL GIVE BRAINLEST AWARD FOR MOST DESCRIPTIVE
Rashid [163]
The law of cosines states that:

c^2=a^2+b^2-2abcosC

You already have all the values for the variables with the exception of x so:

x^2=25+100-100cos60

x=√(125-100cos60)

x=√75

x≈8.66 to nearest one-hundredth...
3 0
3 years ago
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