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
Lina20 [59]
2 years ago
9

(5r^2 - 4) - (8r^2 + 7r+8)

Mathematics
1 answer:
Svetradugi [14.3K]2 years ago
5 0

Answer:

-3r^2-7r-12

Step-by-step explanation:

Your welcome

You might be interested in
PLEASE ANSWER QUICKLY!!The diameter, D, of a sphere is 10.4 mm. Calculate the sphere's volume, V.
Svetlanka [38]

Answer:

About 588.7 mm^3

Step-by-step explanation:

The formula for the volume of a sphere is (4/3)*pi (or in this case 3.14)*r^3, where r is the radius.

We need the radius. We are given the diameter, 10.4.

The radius is half the diameter, so 10.4/2=5.2.

Use r=5.2 and put it into the formula:

(4/3)*3.14*5.2^3≈588.7

5 0
3 years ago
Read 2 more answers
Each set of ordered pairs represents a function. Write a rule that represents the function.
malfutka [58]
My answer to the question is as follows:

First one looks like you are squaring the number, then multiplying the result by 4, i.e.

<span>y=4<span>x2

</span></span><span>second one is similar, but instead of squaring and multiplying by 4, you are squaring and then dividing by 2
</span>
I hope my answer has come to your help. God bless and have a nice day ahead!
4 0
3 years ago
the length of a rectangle is 5 inches more then the width. the area of the rectangle is equal to 2 inches more than 4 times the
Svet_ta [14]
P = 2(L + W)
L = W + 5
A = 4P + 2

P = 2(W + 5 + W)
P = 2(2W + 5)
P = 4W + 10

A = 4P + 2
A = 4(4W + 10) + 2
A = 16W + 42

A = L * W
A = W(W + 5)
A = W^2 + 5W

W^2 + 5W = 16W + 42
W^2 + 5W - 16W - 42 = 0
W^2 - 11W - 42 = 0
(W + 3)(W - 14) = 0

W - 14 = 0
W = 14 <==

L = W + 5
L = 14 + 5
L = 19 <==

P = 2(19 + 14)
P = 2(33)
P = 66

A = L * W
A = 19 * 14
A = 266

answer : length = 19, width = 14....perimeter = 66....area = 266
5 0
3 years ago
Given that EFGH is a kite, what is m∠EHG?
yuradex [85]
Assuming angle F is 68°, angle H will be
.. 360° -2*102° -68° = 88° . . . . . . . . selection B
8 0
3 years ago
Read 2 more answers
dear brainly, I hope you see this, Please be aware of when you go and delete a persons account and or questions and answers. Be
Scrat [10]

Answer:

So true bro

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Other questions:
  • Another one lol(picture)
    6·1 answer
  • Simplify the expression (-x)^5(4x)^2?<br>A)-16x^7<br>B)-16x^10<br>C)-8x^7<br>D)16x^10
    13·1 answer
  • Which number can each term of the equation be multiplied by to eliminate the decimals before solving? -m+0.02+2.1m=-1.45-4.81m
    9·2 answers
  • Create a sequence in which 1 1/4 is added to each number
    12·1 answer
  • 2 m<br> 2 in<br> 1.7 m<br> 3 m<br> 1 m<br> 1 m
    9·2 answers
  • Members of a lacrosse team raised $1352.50 to go to a tournament. They rented a bus for $802.50 and budgeted $25 per player for
    11·2 answers
  • A=1/2h(B+b);A=81,B=8,b=1 what is h
    13·2 answers
  • Please Help. Pre calc<br> Establish the Identity : sec u +tan u =cos u/1-sin u
    13·2 answers
  • At a robotics competition, robots pick up and then throw a ball. The distances, in meters, that eight robots can throw a ball ar
    10·1 answer
  • Kyle is creating a frame for a model car. He begins by piecing two rods together, as shown in the diagram. Justify why AM = 6.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!