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3 years ago

50 POINTS | I NEED FULL STEP BY STEP ANSWER FOR EACH PROBLEM

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

4 0

Answer:

Step-by-step explanation:

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Find the equation of the line that passes thru (-1,-5) and is parallel to 3x+y=-5. Show work.

sertanlavr [38]

Answer:

$y=-3x-8$

Step-by-step explanation:

slope-intercept form:

$y=mx+b$

Start with the given equation, and to find the slope, convert it to slope-intercept form by solving for y.

$3x+y=-5$

In this case, all you need to do is subtract 3x from both sides.

$y=-3x-5$

Here, the slope is -3. The slope of a parallel line will also be -3.

Now, we have 3 known variables. We have the slope and the x and y of a known point. Use those 3 knowns to solve for the 1 unknown, the y-intercept.

$y=mx+b\\-5=(-3)(-1)+b\\-5=3+b\\-8=b\\b=-8$

Finally, with the slope and the y-intercept, you can write the equation of the line:

$y=-3x-8$

3 0

3 years ago

Please help...............

lakkis [162]

Answer:

C' ( -10 , 4)

D' (-10 , 6)

E' (-8 , 6)

F' (-8 , 4)

8 0

3 years ago

What is 6 over 9 simplified

Snezhnost [94]

Answer:

2/3

Step-by-step explanation:

$\frac{6}{9}$

$\frac{6}{9} = \frac{2 \times 3}{3 \times 3}$

$= \frac{2}{3} \times \frac{3}{3}$

$= \frac{2}{3} \times 1 = \frac{2}{3}$

I hope it helped you

3 0

2 years ago

Read 2 more answers

What is the value of x? tangent lines acellus

liberstina [14]

Answer:

30°

Step-by-step explanation:

the three interior angles of a triangle add up to 180, so 60° + 90°+ 30° just works. Sorry it's such a bad explanation, but the answer works . I have acellus too and I entered the answer before answering your question.

5 0

3 years ago

How do you work this out?

oksian1 [2.3K]

I think this problem is 3

8 0

3 years ago