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
OLga [1]
3 years ago
8

Please solve these questions with the equations. Will give 80 points and mark brainliest to the person with the answers.

Mathematics
1 answer:
I am Lyosha [343]3 years ago
5 0

1]

8(x-7)=128 \ \ /:8\\\\x-7=16 \ \ /+7\\\\\huge\boxed{x=23}

2]

16=2(x+7) \ \ /:2\\\\x+7=8 \ \ /-7\\\\\huge\boxed{x=1}

3]

\frac{7y}{7}=20\\\\\huge\boxed{y=20}

4]

2x-1=9 \ \ /+1\\\\2x=10 \ \ /:2\\\\\huge\boxed{x=5}

5]

2(x-8)=20 \ \ /:2\\\\x-8=10 \ \ /+8\\\\\huge\boxed{x=18}

You might be interested in
Hans leaned a 17 ft ladder against his house. He placed the base of the ladder 8 ft from his house, and the top of the ladder re
Fynjy0 [20]

Answer:

b

Step-by-step explanation:

so 17 squared minus 8 squared is 225. the square root of 225 is 15

7 0
3 years ago
(1) 3x + 9 and 5x + 15​
Licemer1 [7]

Answer:

(1)3(x+3)

(2)5(x+3)

Step-by-step explanation:

(1) common taking

(2) common taking

6 0
2 years ago
Read 2 more answers
Add the following numbers a)and b)<br>answers please ​
Drupady [299]
Answer: a) 3 2/3, b) 5 2/5

Explanation:

a) 5/3 + 6/3 = 11/3 = 3 2/3

b) 12/5 + 15/5 = 27/5 = 5 2/5
4 0
3 years ago
Read 2 more answers
What is the solution of the equation e^xe^2x = 4? Round your answer to the nearest hundredth.
Stells [14]
The equation is:

[e^x] [e^(2x)] = 4

1) Applying property of multiplication of powers wiith same base =>

e ^ (x + 2x) = 4

=> e ^ (3x) = 4

2) Applying logarigth properties

3x = ln(4)

=> x = ln(4) / 3 ≈ 1.38629 / 3 ≈ 0.4621

Answer: x = ln(4) / 3 ≈ 0.4621
8 0
3 years ago
Identify the recursive formula for the sequence 900, 850, 800, 750,...
stepan [7]

C (3rd Answer)

1st term is 900 and as n increases (number of terms increase), each time it goes down by 50 if n is greater than 1.

5 0
1 year ago
Other questions:
  • This is a variation word problem.
    15·1 answer
  • Charlotte read a book that is 608 pages and 60 hours last month how many pages per hour was that
    13·2 answers
  • Nine more than four times a number is the same as one less than twice the number find the number
    13·1 answer
  • Craig earns extra money as a lifeguard. He earns $36 for 4 hours and $63 for 7 hours. Determine the constant of proportionality.
    11·1 answer
  • If you doubled the radius of a sphere, how would the surface area change?
    6·2 answers
  • The denominator of a fraction is 9 more than the numerator. if both the numerator and the denominator are decreased by 1 the res
    6·1 answer
  • Straight line depreciation. A car has an initial value of 29,564 and depreciates 532 a year . V represents value of car after t
    6·1 answer
  • How many quarts of pure antifreeze must be added to 5 quarts of a 10 ​% antifreeze solution to obtain a 20 ​% antifreeze​ soluti
    7·1 answer
  • 47 x 10^6 x 78 x 10^-3 in scientific notation
    6·1 answer
  • PLEASE PLEASE PLEASE HELP!! Explanations on how to set it up would be great!
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!