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
ivanzaharov [21]
3 years ago
8

Cuanto es 7x8-(31-61)

Mathematics
1 answer:
Crazy boy [7]3 years ago
5 0

Answer:

la respuesta es 86

Step-by-step explanation:

You might be interested in
How would you do this??
omeli [17]
X= total number of problems

This is a proportion problem.  80% is to 100% as 32 problems is to x problems.

80/100=32/x
Cross multiply
(80*x)=(100*32)
80x=3200
Divide both sides by 80
x=40

There were 40 questions on the test.

Hope this helps!  :)
3 0
3 years ago
5. 3x-X-7=3 6.3x-3-X=3 7. -1 - 2x +3x=5 8. 3x - 22 - X=6 9. 2x+3x-10=10
Marta_Voda [28]
** 3x - x -7 = 3

2x = 10

x = 5

** <span>6. 3x - 3 -x = 3

18x - 3 - x = 3

17x = 6

x = </span>\frac{6}{17}

** <span>7. -1 - 2x + 3x = 5

-7 - 2x + 3x = 5

-7 + x = 5

x = 12

** </span><span>8. 3x - 22 - x = 6

24x - 22 - x = 6

23x = 28

x = </span>\frac{28}{23}

** <span>9. 2x + 3x -10 = 10

18x + 3x - 10 = 10

21x = 20

x = </span>\frac{20}{21}
6 0
3 years ago
^^^^ the question to answer
Alisiya [41]

Answer:

parenthesis

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Help quick or else trouble
sasho [114]

Answer:

1/21

Step-by-step explanation:

2/7 ÷ 6 =

2/7 x 1/6 = 2/42

Simplify by dividing the numerator and denominator by 2

1/21

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

7 0
2 years ago
A bacteria doubles its original population in 16 hours (A=2A0). How big will its population be in 96 hours?
Ray Of Light [21]

Answer:

The population will be 64 times larger after 96 hours.

Leave a comment if you'd like a more in-depth explanation.

4 0
2 years ago
Other questions:
  • Help me on number two plz.
    12·1 answer
  • How to find the missing angle measures
    5·1 answer
  • The mean of 2,4,6,8,10
    9·2 answers
  • (5y^4 + 2y^5)(-3y^6 + 7y^8)
    12·1 answer
  • There is a 85% probability that Jack's dad gives him permission to go to the movies tonight. There is a 60% chance that he will
    6·1 answer
  • An equation is a math sentence that DOES contain an ______________________.
    12·1 answer
  • 14. At what speed in miles per hour will a bicycle travel if the rider can cause the 26-inch diameter wheel to rotate 90 revolut
    7·1 answer
  • Which statement describes how to geometrically determine the product of z = 25 – i and w = StartRoot 3 EndRoot + 3i on the compl
    8·2 answers
  • Let X and Y be the following sets:
    10·1 answer
  • On mr robinsons last history test for this marking period. the average score was 98. Fourty students took the test and 39 studen
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!