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
jeka94
3 years ago
7

Use mental math to evaluate the expression 6(31)+6(4)-6(15)

Mathematics
2 answers:
Nana76 [90]3 years ago
7 0
Okay this is how i did it, 

6(31) + 6(4)  -  6(15)
 186  +  24   -  90
        = 120
Finger [1]3 years ago
3 0
Remember distributive property
a(b+c)=ab+ac
we can ervers it

6(31)+6(4)-6(15)=6(31)+6(4)+6(-15)=6(31+4-15)=6(20)=120
You might be interested in
Please Help will Give brainlist.
poizon [28]
Constant of proportionality is 4

equation: x/y = 4

explanation:
let's take 20 and 5 for example, if you divide 20 by 5, you will 4 of course. that's the proportionality for the first one. if you continue to divide x value by y value you will get 4. for the last two you would divide 28 by 4 and multiply 8 by 4.
5 0
3 years ago
Read 2 more answers
Х<br> 6 - 5 = (-13)<br> What does x equal?
asambeis [7]

Answer:

x = -48

<em><u>hopefully i helped :)</u></em>

7 0
3 years ago
1. Petra tenía 49 canicas azules y dos canicas rojas. ¿Cuántas canicas deberá quitar Petra para qu
Mazyrski [523]

Answer:

Me no espanol

Step-by-step explanation:

LOL

6 0
3 years ago
Read 2 more answers
3х + бх = ух<br> What I the answer
Dominik [7]

Answer:

dy=9-y

dx=x

Step-by-step explanation:

5 0
3 years ago
A tennis club charges a monthly membership fee of $150 and charges it members $10 per hour to use a court. There\'s also $500 fe
Sophie [7]
 The question is "What's Stella's opportunity cost of working on her serve for an hour?" The rest of the info looks like it's meant to confuse you. They charge $10 an hour. She values an hour of her time at $20. I believe that means she would pay $20. Hope this helps!
8 0
3 years ago
Other questions:
  • Identify the zeros of the function below
    9·1 answer
  • ENTER numbers into the table so that the paired values are in a proportional relationship.
    12·1 answer
  • What is the formula for the discriminant?
    5·1 answer
  • Find the inverse of the function f(x) = 4x-1
    14·2 answers
  • All of the following are diagonals of the solid except<br><br> AS<br> BT<br> AC<br> CQ
    5·1 answer
  • I need help pls help me
    10·2 answers
  • Find the sum of the digits 10^15−1.
    12·2 answers
  • A greenhouse owner wants to test the effectiveness of a new fertilizer on African violets. She has 60 violet seedlings that were
    11·2 answers
  • I need help solving this problem
    8·1 answer
  • Referring to the Fig. in Question #34, find the midpoint of<br> __<br> CD.
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!