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
storchak [24]
3 years ago
7

5x minus 7 = negative 12

Mathematics
1 answer:
Blizzard [7]3 years ago
3 0

Answer:

x=-1

Step-by-step explanation:

5x-7=-12

add 7 to both sides

5x=-5

divide both sides by 5

x=-1

You might be interested in
The width of a rectangular swimming pool is 12 meters less than the length, and the perimeter is 72 meters. Find its dimensions
Elis [28]

Answer:

The dimensions are 24 and 12 meters.

Step-by-step explanation:

W + L + W + L = 72   perimeter

(L-12) + L + (L-12) + L = 72

4L - 24 = 72

4L = 72 + 24 = 96  ====>  L = 96%2F4 = 24.

8 0
4 years ago
Read 2 more answers
Please help.. I don’t understand..
mario62 [17]
The coefficient is 2 since it’s behind the letter
4 0
3 years ago
Read 2 more answers
Find the mean for the following data set: 5, 3, 6, 8, 1, 1 *
Zarrin [17]

Answer:

add all the numbers

which will get you 24

then divide by how many numbers you got which will give you 6

the answer is six

Step-by-step explanation:

Hope this helps :D

8 0
3 years ago
Read 2 more answers
A calculus student takes a 20-question, multiple choice test with 5 answer choices for each question. find the mean and standard
mario62 [17]
Suppose the student guesses the answers, we shall consider this a binomial probability problem of success. This implies that getting a question right is p=1/5.
The number of questions is n=20 questions.
The mean of binomial distribution is 
mean=n*p= 20*1/5=4

b] The standard deviation of a binomial distribution is given by:
σ=√(n*p*(1-p))
=√(20*0.2*0.8)
=1.79~1.8

Answer:
μ=4 ; σ=1.8
4 0
4 years ago
I need help wit statistics
nadya68 [22]

Answer:

??

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • Prove that (160x^5)/(8x^2 (4x+5x+x^2))+14y-(7y+y^3 )-3y+20z/(13z-(3z+5z) )+15q-(4q*2q)+3q^2+[3jn+n(n^2 )]2+(160j^2)/(5j*8j) is e
    6·1 answer
  • Is the ordered pair (4, 20) a solution to the equation y = 5x? If yes, is it the only solution?
    9·1 answer
  • A shop owner has 500 cans of tomatoes that are near their expiration date.She decides to display them in a triangular pyramid an
    5·1 answer
  • What is the length of jg?
    6·1 answer
  • -6(a+8)<br> it says to simply the expression
    9·1 answer
  • Which set contains only whole numbers divisible by 6?
    13·1 answer
  • Khaled and Wilma were asked to find an explicit formula for the sequence 1, 3, 9, 27. Khaled said the formula is f(n)=1*3^n-1 an
    11·2 answers
  • 5 tripled and another question is a number plus 14 equals to 9
    6·1 answer
  • Need help ( due tomorrow) will give you brainliest answer if ALL answers are correct and ALL done
    13·1 answer
  • (-w^3 + 8w^2 – 3w) + (-8w^2 + w + 3) =
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!