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
pshichka [43]
3 years ago
7

t=" {9}^{2} - 2(1 + 3)" align="absmiddle" class="latex-formula">
evaluate the expression ​
Mathematics
2 answers:
Dmitrij [34]3 years ago
8 0
The answer is 73 because you solve 9^ 2 which is 81 then multiply 2 times 4 which is 8 then subtract 81 and 8 which is 73
alexira [117]3 years ago
7 0
81-2*4 = 81-8 your answer is 73
You might be interested in
What are the steps to solving this equation <br><br>7x+3= 9x-3-2x
Luba_88 [7]
Simplify:

7x+3=7x-3

Now 7x goes away and you get 3=-3, which cannot be true, so there is no solution
7 0
2 years ago
What does n/5 - 3n/10 =1/5
dsp73
I assume you're looking for n.
so, take 2n/10-3n/10=2/10. Making everything have the same denominator is always easier.

This way, you have -n/10=2/10.

n=-2.
8 0
3 years ago
1 pts
Genrish500 [490]
The correct and the right answers is definitely going to be 12
4 0
2 years ago
Read 2 more answers
Please help don't understand at all​
Levart [38]

(i) Note that it is given to you that 3a + 2b = 9

You are trying to find the value of 9a + 6b. Find what is multiplied to both the variable a & b. Divide:

(9a + 6b)/(3a + 2b) = 3

Next, multiply 3 to the 9 on the other side of the equation:

3 x 9 = 27

27 is the value of 9a + 6b.

(ii) Note that it is given to you that 8x + 6y = 60

You are trying to find the value of 4x + 3y. Find what is multiplied to both the variable x & y. Divide:

(8x + 6y)/(4x + 3y) = 2

Next, divide 2 from the 60 on the other side of the equation:

60/2 = 30

30 is the value of 4x + 3y.

~

5 0
3 years ago
Read 2 more answers
Meghan used her cell phone for 45 minutes each day for n days. Her total minutes of cell phone usage was 540 minutes. Write an e
makvit [3.9K]

Answer:

Is there answer options because if not then it would possibly be y = 45x + 540 or it could be 45x = 540 or it could be 45x/540 so it can be any of those :)

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • Choose the student who wrote the correct inequality.
    7·2 answers
  • Solve the following system of equations <br> 2x + y = 3<br> X = 2y - 1
    12·1 answer
  • Estimate by rounding to the nearest hundred 657 - 125.
    8·1 answer
  • The ratio of the circumferences of two circles is 2:3. If the large circle has a radius of 39 cm, what is the radius of the
    5·1 answer
  • Find the measure of arc DB.
    8·1 answer
  • The table below shows the amount of money Michelle has
    5·1 answer
  • Trevon and Jack are selling pies for a school fundraiser. Customers can buy apple
    9·1 answer
  • What is the average rate of change for this function for the interval from x = 1
    11·1 answer
  • 1. Write out the following expressions:
    10·1 answer
  • Plase help I need it​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!