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
andrew-mc [135]
3 years ago
12

If 80% is 60 marks, what is full marks?

Mathematics
1 answer:
Inessa05 [86]3 years ago
4 0
Full marks is 75.

Explanation:
Let's set up a proportion to better understand the problem

80% 100%
----- = ----
60 ?

Since we want to know what is FULL, we know we have to find 100%. Now, to get from 80 to 100, we multiply by 1.25 (100/80 = 1.25. After we know that, all we have to do is do the same to 60. So we multiply 60 by 1.25 as well, to get 75. Therefore, full marks is 75.
You might be interested in
A fan has 2000 J of kinetic energy. If the angular velocity of the fan is doubled,
DanielleElmas [232]

The new Kinetic energy is 8000 J

Step-by-step explanation:

Step 1 :

Given,

The Kinetic energy of the fan = 2000J

We need to find  new kinetic energy when the angular velocity is doubled.

Step 2 :

We have

KE = \frac{1}{2 } × m × v² = 2000

where m represents the mass and  v represents the singular velocity

v = r ω where

r is radius of  fan and ω is the angular velocity.

Given that the angular velocity is doubled  singular velocity is also doubled. since the radius of the fan is the same in both cases we have

the new velocity = 2rω = 2v

So the KE = \frac{1}{2} m(new velocity)² = \frac{1}{2} m(2v)² = 4 (\frac{1}{2} mv²) = 4 (2000) = 8000 J

Step 3 :

Answer :

The new Kinetic energy is 8000 J

4 0
3 years ago
In a sample of 16 mini-golf balls, 6 are yellow and 10 are pink. If 2 balls are selected at random from the sample, one at a tim
Lelu [443]

Answer:

The probability is 1/8 that you'll pick 2 yellow balls.

Step-by-step explanation:

P(Both balls not pink) = P(Both balls yellow) = 6/16 * 5/15 = 1/8

5 0
3 years ago
Adding Rational Expressions
Elanso [62]
Adding what rational expressions?
7 0
3 years ago
Read 2 more answers
Rewrite in simplest terms : <br> 9(-8d - 7 ) +6(d+7)
Pepsi [2]

Answer: -66d-21 I think.

Step-by-step explanation:

9(-8d-7<u>)</u>+6(d+7)

-72d-63+6d+42 Distributive Property

-72d+6d+-63+42 Combine Like Terms

-66d-21 Answer

8 0
3 years ago
Find -3 3/4 +1/2, i-Ready quiz
Fofino [41]

Answer: I think the answer is -3 2/5✨

4 0
3 years ago
Other questions:
  • Solve the system of equations below.
    9·1 answer
  • Assume the situations are proportional. Use the unit rate to write an equation, then solve.
    15·1 answer
  • What is the measure of angle x?<br><br><br> 88º<br><br> 130º<br><br> 42º<br><br> 142º
    9·2 answers
  • Please help ⚠️⚠️⚠️⚠️⚠️
    6·1 answer
  • I literally have no idea how to do this help...
    10·2 answers
  • Which number is the inequality? m &gt; 7/12
    8·2 answers
  • ASAP Need this answer, would appreciate it.
    6·1 answer
  • Which of the following functions best describes this graph?
    8·1 answer
  • Answer pls <br>Who knows the answer ​
    12·1 answer
  • A salesperson receives a 2.5% commission on sales what commission does the person receive for $8,000 in sales. ​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!