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
slamgirl [31]
3 years ago
8

Expand the expression 2(r - 4) + 5(r + 2). Express your answer in simplest form

Mathematics
2 answers:
Agata [3.3K]3 years ago
8 0
2r-8+5r+10 so 8r+2 would be the final answer
Andrews [41]3 years ago
6 0
2(r - 4) + 5(r + 2) =2r-8+5r+10=7r+2


You might be interested in
Determine the value of variables a, b, and c that make each equation true.
dybincka [34]

Corrected Question

Determine the values of a, b and c that make each equation true.

(x^a)^6=\dfrac{1}{x^{30}} \\\\(x^{-7})^{-4}=x^b\\\\(x^{-2})^c=x^{22}

Answer:

a=-5, b=28 and c=-11

Step-by-step explanation:

To solve for a,b and c, we apply the following laws of indices

\dfrac{1}{x^y}=x^{-y} \\\\(x^m)^n=x^{m X n}\\\\$If x^m=x^n,$ then m=n

Therefore

(x^a)^6=\dfrac{1}{x^{30}}\\x^{a*6}=x^{-30}\\6a=-30\\a=-5

To solve for b

(x^{-7})^{-4}=x^b\\x^{-7*-4}=x^b\\x^{28}=x^b\\b=28

To solve for c

(x^{-2})^c=x^{22}\\x^{-2*c}=x^{22}\\-2c=22\\c=-11

4 0
3 years ago
Which canadian island has a population density that ranges from under 2 people to as many as 250 people per square mile?
KonstantinChe [14]
<span>The island that has the population density ranging from less than to up to two hundred fifty people per square mile is Vancouver Island. The island is roughly 12,079 square miles with a total population of 748,937 according to the 2009 census bureau.</span>
4 0
4 years ago
in fifth grade class 4/5 of girls have brown hair. of the brown haired girls 3/4 of them have long hair. what fraction of the gi
shusha [124]
16/20 of the girls have brown hair
15/20 of the girls have long hair
8 0
3 years ago
Read 2 more answers
Which triangles are congruent by ASA?
kotegsom [21]
The correct answer is C.
7 0
4 years ago
Allana earned $725 each week (five days per week) what did she make per day
ivanzaharov [21]

Answer:

I believe the answer is 145

725÷5= 145

3 0
4 years ago
Other questions:
  • A band to played 3 concerts and earned about a total of $321.00.the band earned about the same amount for each concert estimate
    6·2 answers
  • What are the x-intercepts of the graph of the function f(x)=x2+ 4x-12
    11·2 answers
  • If 14 is 35% of a value, what is that value?
    5·2 answers
  • In triangle MNP, what is the measure of n? (I will mark brainliest) (hurry)
    7·2 answers
  • 8/14 + 32/14 + 7/14 =
    10·1 answer
  • How many more people can sit on four 777 aircrafts than on four 767 aircrafts?
    13·2 answers
  • Algebraic expression phrase p divided by 6
    9·2 answers
  • (21,0.(-2,1),(-3,1),(-4,1)]<br> Domain =<br> Range =<br> Function: Yes or No​
    8·1 answer
  • Please answer properly​
    14·1 answer
  • HELPPPP PLEASEEE!!!!!!
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!