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
Nikolay [14]
3 years ago
10

Simplify each expression. Justify each step.

Mathematics
1 answer:
xenn [34]3 years ago
3 0

Answer:

1.(12 + 8x)+13

= (12+ 8x) +13=0

=12+8x= -13

=8x = -13 -12

= 8x = -25

x=-25/8

x=−3.125

2.(7-7)+12

0+12

=12

3.(5*m) *7

= 35m

I hope this helps.

You might be interested in
A savings account has an opening balance of $500 and will earn 2.5% annually. What will be the vakue of the deposit in 6 years?​
Maurinko [17]

500×(0.025)×(6)

= $75

5 0
4 years ago
1/2 x 1/2 equals how much
alexdok [17]

Answer: 1/4

Step-by-step explanation: When multiplying two fractions together, we multiply across the numerators and we also multiply across the denominators.

So (\frac{1}{2}) (\frac{1}{2}) is \frac{1}{4}.

4 0
4 years ago
Read 2 more answers
I need help factoring this: 3x^4-6x^3+12x^2
shepuryov [24]

factor out an 3x^2

3x^2(x^2 -2x+4)

The inside is not factorable

6 0
3 years ago
A bag contains 7 red marbles, 5 blue marbles and 4 green marbles. If three marbles are drawn out of the bag, what is the probabi
Korvikt [17]

Answer:

<h3>0.063</h3><h2>Step-by-step explanation:</h2>

<h3>probability is defined as the measure of chances of events happening or chances of occurrence.The probability that an event can happen is zero(0)</h3><h3>Probability can be calculated using the formular: number of required outcome all over number of total possible outcome.</h3>

Probability of 3 red = 7/16 x 6/15 x 5/14 = (7)(6)(5)/(16)(15)(14)=

6x5/16x15x2 = 5/16x5= 1/16 = (1/2)(.125) = 0.0625

Probability of 3 reds = 0.0625

round off to thousandths Pr(3R) = 0.063

4 0
2 years ago
What are the steps in the work I don’t understand how you got that answer
vesna_86 [32]
There is no work add a picture
5 0
3 years ago
Other questions:
  • What is the perimeter of a rectangle with a width of 18.5 inches and length of 26.5 inches ?
    9·1 answer
  • Solve a two- step equation <br><br> 6x+8=50
    12·2 answers
  • Which number goes in the box to make the sentence true
    11·1 answer
  • Secant RM intersects secant RN at point R. Find the length of RQ. If necessary, round to the hundredths place.
    13·1 answer
  • Evan made a new copy of the picture so that it would fit in his photo album. He used the same scale factor to reduce both the le
    9·1 answer
  • An investor invests 500 in a certain stocks
    15·1 answer
  • A painting is 103 centimeters long.
    9·1 answer
  • Find the height of a triangle in which base is 25cm and<br> area is 200cm2.
    13·1 answer
  • If 0 ≤ Ø &lt; 90 degrees, and tan Ø= 2/3, what is sinØ + cosØ?
    8·1 answer
  • A newspaper article claimed: "the average cost of weekly groceries is $124.50." what statistical measurement are they most likel
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!