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
Ann [662]
3 years ago
9

What is the simplified form of the expression? 7r - 8r + 13 -2r + 5? Please help me

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
6 0

Answer:

- 3r + 18

Step-by-step explanation:

7r - 8r - 2r + 13 + 5 = 7r - 10r + 18

You might be interested in
What is the value of the missing angle?a, 720b, 120c, 128d, 138
Zigmanuir [339]
The sum of all the interior angles in a hexagon is 720°, so if you add up all the angles and then take them away from 720, you'll get your answer:
152 + 85 = 237
237 + 85 = 322
322 + 125 = 447
447 + 135 = 582
So 720 - 582 = 138°, which is your answer. I hope this helps!
3 0
3 years ago
What is 62 ÷ 3186 I need to know?​
topjm [15]

Answer:

0.02

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
According to the rational root theorem, which is a factor of the polynomial f(x)=3x^3-5x^2-12x+20?
MakcuM [25]

Answer:

(x-2), (x+2), (3x-5)

Step-by-step explanation:

Factors of 3: ±1, ±3

Factors of 20: ±1, ±2, ±4, ±5, ±10, ±20

Possible factors of the polynomial: ±1, ±2, ±3, ±4, ±5, ±10, ±20, .... (there's a lot more but you probably do not need to list them all)

Pick a number to divide the polynomial by (I picked 2)

(3x³-5x²-12x+20)÷(x-2) = 3x²+x-10

So (x-2) is a factor of f(x) = 3x³-5x²-12x+20

Factor 3x²+x-10 = (3x-5)(x-2) these are the other factors of f(x) = 3x³-5x²-12x+20

4 0
3 years ago
Jeff left 4/5 of the pumpkin pie in the refrigerator on Saturday he ate 1/2 if what was left of the pie what fraction of the ent
sukhopar [10]
He ate 2/5 of the pie on Saturday.
7 0
3 years ago
Find the perimeter of the figure to the nearest hundredth. Sorry to ask ANOTHER question on this stuff but I'm doing an assignme
WARRIOR [948]

Answer:

I did my best, but it has been a while. I really hope that this helps

Step-by-step explanation:

so you can find the perimeter of a circle

-----The perimeter of a circle is π × d where d is the diameter so half of that is 1/2 π × d. But If you are going to walk around a semicircle, you need to go halfway around the circle and then across a diagonal to get back to where you started, so the perimeter is 1/2 π × d + d.

7 0
3 years ago
Other questions:
  • What is the area of a piece of typing page 8.5" by 14"
    13·2 answers
  • What is the answer to this question?
    7·2 answers
  • Need help with my sister's homework
    6·2 answers
  • Someone, please help me
    8·2 answers
  • Leeza is making labels in the shape of parallelograms each label has an area of 18 square centimeters and a base of 6 centimeter
    15·1 answer
  • Amanda has six more than four times the number of crayons that Clyde has. (write the equation)​
    15·1 answer
  • What is the mean of the following data values?<br> 22, 37, 49, 15.92
    8·2 answers
  • PLEASE HELP NOW IM FAILING MATH
    15·2 answers
  • What value of z makes this equation true?
    11·1 answer
  • Your friends ate at a restaurant and left a $2.40 tip. They left a 15% tip. What was the cost of their bill before the tip?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!