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horsena [70]
3 years ago
10

I need help with 1 & 3.. thanks

Mathematics
1 answer:
AlekseyPX3 years ago
8 0

Answer:

y/x = (a + b) / (m + n)

Step-by-step explanation:

-(xb − ym) = -yn + xa

Distribute:

-xb + ym = -yn + xa

Combine like terms:

ym + yn = xa + xb

Factor:

y (m + n) = x (a + b)

Rearrange:

y/x = (a + b) / (m + n)

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Which of the following number lines shows the correct sum of the number above and 4?
zheka24 [161]

Answer:

c.

Step-by-step explanation:

because on you have to add 4 to the number above. so 3+4 equals 7 so you move 4 spaces to the right on the number line to get you 7. so C is the correct answer

6 0
2 years ago
Gary is using an indirect method to prove that segment DE is not parallel to segment BC in the triangle ABC shown below:
aliya0001 [1]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

Based on the situation above the inequality will he use to contradict the assumption is <span>
4:10 ≠ 6:14</span>
if DE is parallel to BC
then
4: (4+5) = 6 : (6 + 8)
4 0
3 years ago
Read 2 more answers
Write in slope-intercept form an equation of a line that passes through the points (-1,2) and (1,-6)
creativ13 [48]

Answer: y = 6 - 4x

Step-by-step explanation: Find the slope: (y2-y1) / (x2-x1). In this case, [2-(-6)] / (-1-1) = 8/-2 = -4. Then write it in intercept form, substituting in a point for y and x: 2 = a -4(-1). Then balance to get a = 6. So y = 6 - 4x

3 0
3 years ago
I got it wrong anyone know the answer thank u!
Romashka-Z-Leto [24]

Answer:

Choice 4 (s - 3 = 12)

Step-by-step explanation:

I think you made a reading error on this question, as it said "for which equation is s = 9 <em>not</em> the solution?" No need to fret though, this can easily be solved by substituting 9 into the variable <em>s</em> of each equation.

1. We know it's not choice 1 (s + 6 = 15), because doing 9 + 6 does equal 15.

2. We know it's not choice 2 (7 + s = 19), because doing 7 + 9 does equal 16.

3. We know it's not choice 3 (13 - s = 4), because doing 13 - 9 does equal 4.

4. Choice 4 (s - 3 = 12) is the correct answer because doing 9 - 3 equals 6, not 12. Thus this equation is incorrect, meaning this is the correct choice.

Choice 4/D is the correct choice.

5 0
3 years ago
Read 2 more answers
Suppose you earn $7.25 per hour working part-time for a florist.
hoa [83]
Where is the rest for the problem
4 0
3 years ago
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