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vlabodo [156]
3 years ago
7

A line passes through the points A(-1,7) and B(1,3). Write an equation of this line.

Mathematics
2 answers:
Anna35 [415]3 years ago
5 0

Answer:

y=2x+1

Step-by-step explanation:

Solve:

m=\frac{3-7}{1-(-1)} =\frac{4}{2} =2\\m=2

Put in slope-intercept form:

3=2(1)+b\\3=2+b

-2   -2

b=1

End equation:

y=2x+1

Hope this helps! :)

Aleks04 [339]3 years ago
4 0
…………,,…,.,………..,.,.,…….

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Solve -8 = 2y – 2. Show your work and how to check your solution.
Mashcka [7]
Answer: y = -3

Explanation:

-8 = 2y - 2
-2y = -2 + 8
y = 6/-2
y = -3
4 0
3 years ago
Số tiếp theo (next number?): 25 50 99 196 388
Delvig [45]

Answer:

The correct answer is - 768.

Step-by-step explanation:

The given question is based on a specific pattern present in between the numbers in the given series -

Series = 25 50 99 196 388

to find - next number in series

let us find the relation between the initial two number:

25 - 50, here number 50 is two times of 25 or (x*2-0)

relation between 2nd and 3rd number:

50 - 99, here 99 is two times of 50 minus 1 or (x*2-1)

relation between 3rd and 4th number:

99 - 196, here 196 is two times of 99 minus 2 or (x*2-2)

relation between 4th and 5th number:

196 - 388, here 388 is the two times of 196 minus 4 or (x*2-4)

So on this pattern, the next number would be = x*2-8

388*2-8

= 768

5 0
2 years ago
Bonita has a standard of 2 hours of labor per unit, at $12 per hour. In producing 2600 units, Bonita used 5050 hours of labor at
Eduardwww [97]

Answer:

1800

Step-by-step explanation:

Labor quantity variance= Actual quantity ×standard price - standard quantity ×standard price

Standard quantity=2×2600=5200

Labor quantity variance

5050×12-5200×12=1800

3 0
3 years ago
Which is the correct statement ?
goldenfox [79]

Answer:

A is correct  < C and < C" are congruent after both the translation and the dilation.

Step-by-step explanation:

The shape of the triangle remains the same after the translation and the dilation. After the dilation the new triangle is bigger by a factor 2 but the shape ( and therefore the angles are equal. The 2 triangles are similar,

4 0
3 years ago
What is 0.4(5+2x)-0.5=3(0.3x+0.7) I've solved this but I'm not sure I got the right answer
BlackZzzverrR [31]
If you have a graphing calculator one way to know you are right is put the left side in Y1 and the right side in Y2 then hit 2nd trace and intersection then find the intersection and the X value is your answer. If you don't have a graphing calculator then I'm sorry
5 0
3 years ago
Read 2 more answers
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