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
S_A_V [24]
3 years ago
15

Mark solved 18 out of 20 problems correctly on his math quiz. What percent of the problems were correct?

Mathematics
1 answer:
Stella [2.4K]3 years ago
4 0
90%

18/2= 9
20/2= 10

9/10
You might be interested in
PLEASE Help!!! Explain.
Misha Larkins [42]
Answer is B thanks for using brainly
8 0
3 years ago
Read 2 more answers
In Owen's class there are three times as many boys as girls. There are 18 boys in the class how many pupils are in the class alt
9966 [12]
3x = 18  - 3 times girls = # boys = 18
x = 6 - # of girls in the class
5 0
3 years ago
Read 2 more answers
The probability of Samantha scoring an A on a geology test (event A) is 0.46, and the probability of Judith scoring an A on the
bazaltina [42]
It may be observed from the given that the probability of the both Samantha and Judith scoring an A is the product of the individual probabilities of Samantha and Judith. This means that the events are independent. Thus, the answer is letter A. 
8 0
3 years ago
Read 2 more answers
Triangles ABC and DEF similar
Anarel [89]

Answer:

DE = 4 1/2

EF = 3 3/4

Step-by-step explanation:

AB/AC = DE/DF

6/4 = DE/3

cross-multiply:

4DE = 18

DE = 18/4 or 4 1/2

AB/BC = DE/EF

6/5 = 4.5/EF

cross-multiply:

6EF = 22.5

EF = 3.75

4 0
3 years ago
What number must 200 be multiplied by to make it a perfect square​
Juliette [100K]

Answer:

2

Step-by-step explanation:

Thus, we must multiply 200 by 2, so that the product becomes a perfect square. 400 is asquare of 20. So, the least number is 2, by which 200 must be multiplied so that the product becomes a perfect square.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Carl is conducting a survey for the school paper, he finds that 7 students have no pets, 15 have one pet, and 9 have at least tw
    14·1 answer
  • Which linear function includes the points (3,9) and (-2,-11)
    5·2 answers
  • Vivian solved an equation. she showed all her steps and got the correct answer. what kind of reasoning did vivian use to solve t
    12·1 answer
  • Millie works 8 hours on Saturday and earns £6.50 an hour. Her bus fare to work costs £2.75 and she also spends £4.25 on her lunc
    15·1 answer
  • Please HElppppppppppppp meeeeeeee! I have less than 10 minutes!
    11·1 answer
  • Graph both functions to find the solution(s) to the system. Use the line tool to graph the line.
    10·1 answer
  • Question Progress
    5·1 answer
  • What is the percent of change from 45to56
    11·2 answers
  • Brandon currently runs the mile in 6.8 minutes.
    13·1 answer
  • This net folds into the cube shown beside it. On the cube, which letter will be on the side opposite D?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!