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
IgorLugansk [536]
4 years ago
7

Write a proportion to find how many points xx a student needs to score on a test worth 80 points to get a test score of 80%.

Mathematics
2 answers:
Ugo [173]4 years ago
8 0
Xx/80 = 80/100 . . . . . . . . . your proportion
Svet_ta [14]4 years ago
3 0

Answer:cross multiply to solve

100x = 50*78

x = 50*78/100

x = 39 points needed to score a 78%

Step-by-step explanation:hope this helps:D

You might be interested in
Please show all the working out.
Elanso [62]
11/26 chance that the student plays both instruments.

First, add the amount of students that just play flute or piano:

3 + 5 = 8

Then add 8 to the amount that does not play either instrument:

8 + 7 = 15

Then do:

26 - 15 = 11

Then place 11 over the amount of people:

11/26
<span />
4 0
4 years ago
Six friends share 8 pears. how much will each person get when shared equally
ale4655 [162]
They will get 1 1/3 of pear

just divide- 8 / 6= 1 1/3
8 0
4 years ago
Read 2 more answers
What is triangle HDK congruent to?
Aleksandr [31]
I believe it should be ∆LKD because the parts should correspond with each other. D is a right angle in the first triangle and appears in the middle, so since K is the right angle of the second, it should also go in the middle.

I believe this is proven by HL because both hypotenuses are congruent, as is a pair of legs, and they are both right triangles.
7 0
4 years ago
What is the volume of this rectangular prism?
alexira [117]

Answer:

The answer is B. 54 cm

Step-by-step explanation:

When you find the volume of a rectangle you have to multiply the length, width, and height. The length is 9, width 3, and height 2. When you multiply them together you'll get 54

8 0
4 years ago
Read 2 more answers
4 times the square of one number minus 5 times another number​
iVinArrow [24]

Answer:

4x^2-5y

Step-by-step explanation:

4x^2-5y

6 0
3 years ago
Other questions:
  • The "feasible region" has vertices (4,5), (4,6), (7,4), and (3,6). If the "objective function" that you are trying to minimize i
    12·1 answer
  • If a = 1/x − 1/y , what is the value of 1/a ?
    5·1 answer
  • For the data set below, calculate the standard deviation to the nearest hundredth decimal place. 27 38 47 42 33 56 37 57 38 52
    7·2 answers
  • I need a lot of help please help me. What is 128.34 as a mixed number in simplest form
    15·1 answer
  • What percent of $150 is $162?
    11·1 answer
  • 4
    11·1 answer
  • PLEASE HELP! 25 POINTS! FIRST TO ANSWER CORRECTLY GETS BRAINLIEST!!!
    9·1 answer
  • 6
    5·1 answer
  • Heeelp
    10·1 answer
  • 79. Estimate the price (to the nearest dollar) of a table
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!