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
Tpy6a [65]
3 years ago
11

Mary has scored 99, 83, 74, and 69 on her previous four tests. What score does she need on her next test so that her average

Mathematics
1 answer:
Gemiola [76]3 years ago
5 0

Answer:

66

Step-by-step explanation:

mean = the sum of the value / the number of the value

when we calculate the some must be 385 so the sum of the given value gives 319 so to reach the average 77 she must score 66

You might be interested in
For the function defined by I = 50/t, what can you say about the relationship between the variables I and t?
sveticcg [70]

Answer:

Inverse proportionality relationship

Step-by-step explanation:

SInce I equals 50 divided by t, we see "t in the denominator, which corresponds to an INVERSE proportionality between these variables (I and t)

8 0
3 years ago
What is the value of x?
monitta
The ans is choice D. since there nothing under 5x, imagine there is a 1 under. After that, you can simply cross multiply, so it would be 1(6+8x)= 2(5x). 6+8x= 10x now combine like terms so subtract 8x from both sides and divide 6 by 2 and you will get 3 
8 0
3 years ago
Read 2 more answers
Find the area of the trapezoidal prism?
Olenka [21]

Answer: The formula is (b1 + b2)h+PH

Step-by-step explanation:

4 0
3 years ago
PLEASE HELP WITH 1-2!!!!
ratelena [41]
1-2 = -1
If that's what u mean
3 0
3 years ago
Line/ has a ___ slope
Masja [62]
A line that would appear like this ( / ) on a graph would have a positive slope because the coordinates that the line passes through are increasing from left to right.
3 0
3 years ago
Other questions:
  • PLEASE HELP AS SOON AS POSSIBLE!!!!!!!!!!!!!!!!!! |r+3| ≥7 solve the inequality (please show work and steps )
    5·2 answers
  • Helen made a scale drawing of the middle school. The gym is 195 inches long in the drawing. The actual gym is 104 feet long. Wha
    7·2 answers
  • If 48 is 92 percent than what is 100 percent
    6·1 answer
  • What is the opposite of - 2 over 5
    7·2 answers
  • Find the simple interest when the principal is $2150 with a 6.5% interest rate for 5 years
    14·2 answers
  • What does radical form mean?
    13·1 answer
  • Mr.Johnson was paid $190 for a job that required 40 hours of work. at this rate how much should he be paid for a job requiring 6
    7·1 answer
  • Andy's total college tuition and fees for a term in which he enrolls in 15 credit hours is $9064. His fees for the term are as f
    8·1 answer
  • Help plz<br> Solve for f.<br> 4(f + 2) = 16
    6·1 answer
  • which expressions represents a 20% discount off the price of an item that originally cost D dollars ​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!