1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
olga55 [171]
4 years ago
6

–8(–7r – 7) + 8 =-272​

Mathematics
1 answer:
Mademuasel [1]4 years ago
6 0

Answer:

-8(-7r-7)+8=-272

We move all terms to the left:

-8(-7r-7)+8-(-272)=0

We add all the numbers together, and all the variables

-8(-7r-7)+280=0

We multiply parentheses

56r+56+280=0

We add all the numbers together, and all the variables

56r+336=0

We move all terms containing r to the left, all other terms to the right

56r=-336

r=-336/56

r=-6

You might be interested in
35x+10. How do I solve this?
kicyunya [14]

Hey there Bfarrar07 !

This is pretty simple when you think about it.

With algebra problems like this, you want to set it equal to zero.

So your first step is to take 35x + 10 and set it equal to zero.

35x + 10 = 0

Then bring the 10 to the other side by subtracting it, so you have something like this:

35x + 10 (-10) = -10 (Remember, what you do to one side you have to do to the other!) So when you take 10 from the left, you have to take ten from the right.

You now have 35x = -10

In order to get x by itself, you need to divide the problem by 35.

35x/35 = -10/35

On the left hand side, the 35's cancel out, so you're left with x.

And on the right hand side you have -10/35

So x = -10/35 (Don't forget to simplify!)

-10/35 can be reduced to -5/7

X = - 5/7

Hope this helps!

3 0
4 years ago
Working with Laws and of Sines and Cosines.
malfutka [58]
Given that:
A = 63
B = 56 
C = 61 (since these angles should be equal to 180)

a = 
b =
c = 1/2

sin 63 / a = sin 61 / .5
a = .51 miles

sin 56 / b = sin 61 / .5 
b = .47 miles 

The correct answers are: 0.51 miles and 0.47 miles. These are <span>the distances from each observer to the sailboat. 
</span>
Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help. 

3 0
3 years ago
If m&lt;KHM-51.6° in the right triangle shown below , what is the measure of &lt;KMH
vekshin1
180 - 90 - 51.6 = 38.4
3 0
3 years ago
Solve this for the brainlist
ella [17]

Answer:

22.4

Step-by-step explanation:

using altitude theorem, the height of the triangle is 20

let y = height

10/y = y/40

y² = 400

y = \sqrt{400} or 20

Now we can us the Pythagorean Theorem to find 'x':

10² + 20² = x²

100 + 400 = x²

x=\sqrt{500} ≈ 22.4

8 0
3 years ago
ANSWER ASAP DONT SEND A FILE WHAT IS THE TRANSFORMATION????
mina [271]

Answer:

Hi, I believe this is reflection then rotation. I haven't studied this in some time but from what I remember I think that would be the right answer. I hope I helped, have a nice day :)

6 0
3 years ago
Read 2 more answers
Other questions:
  • Solve for f. d = 16ef² f=±4de‾‾‾√ f=±4de√e f=±de√4e f=±de√16
    12·2 answers
  • 8/6 - 7/5<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B8%7D%7B6%7D%20%20-%20%20%5Cfrac%7B6%7D%7B4%7D%20" id="TexFormula1" t
    7·1 answer
  • There is a bag or marbles. The probability of drawing a red marble is 1/4. What is the compliment of this?
    6·1 answer
  • Pls help and quick I’m running out of time
    15·1 answer
  • What is the similarity between the numbers 85,17,19,4 and 2?
    8·1 answer
  • A theater has 1200 seats. Each row has 20 seats. Write and solve an equation to find the number x of rows in the theater.
    9·1 answer
  • Look at the hexagon below. In which categories could the hexagon be classified?
    8·1 answer
  • 2/4 list the next four multiples of the fraction.
    8·1 answer
  • A right rectangular prism is shown.
    15·2 answers
  • Solve −2 1/4⋅(−2 1/3) <br><br> a −5 1/4 <br> b −4 1/1<br> c 4 1/12<br> d 5 1/4
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!