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
sesenic [268]
3 years ago
10

I need help with this:(

Mathematics
1 answer:
Fudgin [204]3 years ago
6 0

Answer:

94%

Step-by-step explanation:

The whole thing is about averages. Currently the average an 87%, because 85+91+86 = 262. 262/3 = roughly 87%.

Now if she got another score, that would mean it would now be divided by 4 instead of 3. So the equation is:

(262+x)/4 = 89

           *4     *4

____________

262 + x = 356

-262         -262

____________

          x  = 94

You might be interested in
Solve by elimination:<br> 2x + 4y = 34<br> x+4y = 27<br> A (7,-5)<br> B (6,6)<br> (7,5)<br> (5,7)
julsineya [31]

Answer:

(7,5)

Step-by-step explanation:

{2x + 4y = 34

{4y = 27 - x

2x + 27 - x = 34

x=7

4y = 27 - 7

y = 5 so the answer is ( 7,5)

3 0
3 years ago
Read 2 more answers
If a function is derivable at a point it is also continous at that point explain why?
Artyom0805 [142]
For a function to have a derivative in a point has to be continuous at the point, that is, it has to be defined at that point, other wise the derivative would be meaningless.
5 0
3 years ago
Determine the surface area of the triangular prism below
Cloud [144]

Answer:

2376 square feet

Step-by-step explanation:

40 x 15 = 600

40 x 24 = 960

1/2 x (24 x 9) = 108

600 + 600 + 960 + 108 + 108 = 2376

5 0
3 years ago
What is b’c the length of bc after dilation? What is the measure of
Anastasy [175]

Answer:

C

Step-by-step explanation:

the angle will always stay the same, it won't change

but if the dialation is 1/2, then that means that the sides will decrease in size compared to the original length,

(just divide by 2) on each side length to get the answer

4 0
3 years ago
What is true about the figure? In the figure, angles C and D are a Therefore angle C must measure ​
Nuetrik [128]

Answer

In the figure, angles C and D are a  

✔ linear pair

Therefore, angle C must measure  

✔ 56°

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • How do i solve for x with mixture word problems
    9·1 answer
  • What is the value of 10 to the 3rd power
    7·2 answers
  • Algebra 1, Section 7.09
    8·1 answer
  • If x can be any number, how many solutions are there for the equation?
    5·1 answer
  • Elizabeth wants to use a standard number cube to do a simulation for a scenario that
    10·1 answer
  • The graph of y = 3^x is shown . What is the value of x when y=27
    10·1 answer
  • Find the equation of the line that passes through the points (6,14) and is parallel to y=-4/3x-1
    14·1 answer
  • What is the length of a missing side of a 48 feet and 52 feet 90° triangle
    15·1 answer
  • 3. The measure of one angle is ten less than four times the measure of the other angle. The sum of the measures of the two angle
    7·1 answer
  • ?/1
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!