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
Bogdan [553]
4 years ago
8

3. Simplify the expression:

Mathematics
1 answer:
aksik [14]4 years ago
7 0
Answer:
I think you meant to put an x instead of a r in that equations because 9x-15 is the correct answer so B
Explanation:
Step 1: combine any like terms you can this makes it
5(2x-3)-x
Step 2: distribute 5 to anything in parentheses
10x-15-x
Step 3:
Combine more like terms
9x-15
Step 4: see if there are any more terms you can combine if not it is simplified so the answer here is 9x-15
You might be interested in
The volume of an object that is recorded as 46cubic cm which was 15% from the actual volume
Paul [167]

Two possibilities  --- see below

Step-by-step explanation:

So it could be GREATER than 46

  .85 x = 46    <u>x = 54.11 cm^3 </u>

Or it could be  smaller than 46

  46= (1.15)  x     <u>  x = 40 cm^3 </u>

5 0
2 years ago
How to solve ((-9)×(-5)-9)÷(-12)
goldenfox [79]

Answer:

-3

Step-by-step explanation:

Simplify the following:

(-9 (-5) - 9)/(-12)

-9 (-5) = 45:

(45 - 9)/(-12)

| 3 | 15

| 4 | 5

- | | 9

| 3 | 6:

36/(-12)

The gcd of 36 and -12 is 12, so 36/(-12) = (12×3)/(12 (-1)) = 12/12×3/(-1) = 3/(-1):

3/(-1)

Multiply numerator and denominator of 3/(-1) by -1:

Answer:  -3

6 0
3 years ago
Last question was wrong. Line l and line m are straight lines. What is the measure of angle y?
mafiozo [28]

y+43°= 180°( straight angle)

=>y= 180°-43°

=>y=137°

7 0
3 years ago
Read 2 more answers
Find the rule of f(2)
uysha [10]

Answer:

f(2) = 360

Step-by-step explanation:

Given

f(x) = 10(6)^{x}

To evaluate f(2) substitute x = 2 into f(x)

f(2) = 10(6)^{2} = 10 × 36 = 360

4 0
4 years ago
What is the slope of these points?
Yuki888 [10]
What is the answer?
7 0
3 years ago
Read 2 more answers
Other questions:
  • If \orange{\angle ADC}∠ADCstart color #ffa500, angle, A, D, C, end color #ffa500 measures 23^\circ23 ∘ 23, degrees, what does \b
    8·1 answer
  • 1 tablet has 500mg how many mg does 3 tablets have
    6·2 answers
  • an elevator ascends, or goes up, at a rate of 750 feet per minute. is the height to which the elevator ascends proportional to t
    10·2 answers
  • 11. Find the value of the expression: -7 + 11 - 6 + 8<br> Your answer
    6·1 answer
  • Need help on question please!
    9·1 answer
  • Find the area of this regular polygon round to nearest tenth
    7·1 answer
  • A cookie recipe calls for 3 cups of sugar and yields 24 cookies. How much sugar will be needed to make 3 dozen cookies?
    7·2 answers
  • Ronnie took a survey of eight of his classmates about the number of siblings they have and the number of pets they have. A table
    5·1 answer
  • Which are perfect squares? Check all that apply.
    8·2 answers
  • Could you help me solve?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!