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
pychu [463]
3 years ago
14

The average of Manny's three tests is an 84. What must he get on a 4th test to raise his averageto a 87?

Mathematics
1 answer:
Ad libitum [116K]3 years ago
6 0

90 because 84 plus 90 divided by 2 is 87.

You might be interested in
16. Solve 7n=42<br> 06<br> O n = 6<br> n = 7<br> O 7
Masteriza [31]

Answer:

6

Step-by-step explanation:

7n=42

n=42/7

n=6

7 0
3 years ago
Use cubes. Draw to show how you make ten. find the sum.
Mila [183]
If you're asking for the model for the second problem (I didn't see any unsolved), here it is!

7 0
3 years ago
Standard deviation of 19,29,21,22,23
MaRussiya [10]

Answer:

3.370459909

Step-by-step explanation:

Figure out the arithmetic mean of the numbers (22.8)

Subtract the mean from each number and square the difference

Add up the squared differences and divide the number by 5

Square root answer

3 0
3 years ago
Find the length of the third side. If necessary, write in simplest radical form.
Arlecino [84]
Answer:

9

Explanation:

9 root 2 = root 81 x root 2 = root 162
Root 162 = 12.7279220614
9^2 + b^2 = 12.7279220614^2
81 + b^2 = 162
b^2 = 81
Root both
B = 9

4 0
2 years ago
7. Test your knowledge of lines with the following:
IRINA_888 [86]

Answer:

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • theo had a balance of -$4 in his savings account.after making a deposit, he was $25 in his account. what is the overall change t
    11·2 answers
  • Solve the inequality. Then graph the solution set.<br> 7(x + 1) &lt; 5x + 6
    11·1 answer
  • The cruising speed of a certain airplane is approximately Mach 0.68, meaning 0.68 times the speed of sound. If the speed of
    14·1 answer
  • What is a reasonable measure for the angle shown?
    9·1 answer
  • Evaluate \dfrac {15}k
    14·1 answer
  • PLZ PLZ PLZ HELP MEEEE
    6·2 answers
  • Which of the following values are solutions to the inequality 1 + 5x &lt; 4?
    8·1 answer
  • What is the average amount of trail mix in each bag?
    10·1 answer
  • A plate moving at a rate of 4 is moving toward a plate that is 10,000 km away. In how many years will the plates collide?
    12·2 answers
  • Solve for 50 points<br> x^(2)=100
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!