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4 years ago

10

-3r +9 = -4r +5what's r?

2 answers:

-BARSIC- [3]4 years ago

8 0

Answer:

-4

Step-by-step explanation:

-3r+9=-4r+5

-3r+4r=5-9

r=-4

Snowcat [4.5K]3 years ago

6 0

Answer:

I got r=-1

Step-by-step explanation:

first I had 3 R over the = and into -4r

second I subtracted the 5 over the = and onto the 9

now you have: 4=-1r

divide the -1 over to have a positive R

and a -4

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Solve for x. Write the reasons next to each step.<br> (2x - 6)<br> (x + 40)

solniwko [45]

Answer:

The answer for first one is,

$2(x - 3)$

sorry I don't know the answer for second one.

3 0

3 years ago

PLZS HELP THIS IS MY LAST QUESTION!!

Vikki [24]

Answer:

<h2><em><u>x</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>30</u></em></h2>

Step-by-step explanation:

<em><u>According</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>figure</u></em><em><u>, </u></em>

54° + 3x+36° = 180° <em>[</em><em>Linear</em><em> </em><em>pair</em><em>]</em>

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4 0

3 years ago

Read 2 more answers

What is the slope of (-3,1) and (1,-2)?<br><br> A. -4/3<br> B. 4/3<br> C. 3/4<br> D. -3/4

Bess [88]

Answer:

Step-by-step explanation:

(-3,1) and (1,-2)

Slope is m= - 3/4

3 0

3 years ago

Read 2 more answers

Right? Pls reply ASAP i need this before 11:45am in need pls hurry

SVETLANKA909090 [29]

Answer:

I think so.

Step-by-step explanation:

If you do the math 2(5-3) exponent 2 - 4 = 4

So if y is 4 you should be correct!

Thb I think you need to know the value of y to solve this question.

6 0

3 years ago

Rewrite in simplest terms: -0.2t - 5 (-8t + 5)

SVETLANKA909090 [29]

Answer: 40.2t - 25

Step-by-step explanation:

-0.2t - 5 (-8t + 5)

-0.2t + 40t -25

39.8t - 25

6 0

3 years ago