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
Reil [10]
3 years ago
13

Annette has finished 20 of her homework problems. That is 80% of the total assinged by her math teacher. How many pronlems were

assinged?
The possible answers are:
16
25
30
32
Mathematics
1 answer:
horrorfan [7]3 years ago
7 0
So 20=80%' % means out of 100 so 80%=80/100 so 20=80/100 we try to get to 100/100 so 20=80/100 5=20/100 5 times 20=100 so 25=100/100 there were 25 questions total
You might be interested in
Find the area of a rectangle 3yds by 4/7yds
jasenka [17]

\text{We're trying to find the area of the rectangle}\\\\\text{We know the dimensions are 3 by 4/7}\\\\\text{The formula to find the area of a rectangle is length x width}\\\\\text{Solve for area:}\\\\3\cdot\frac{4}{7}\\\\\text{Multiply the 3 to the numerator}\\\\\frac{12}{7}\\\\\text{Since we can't simply it, we'll leave it as is}\\\\\boxed{\text{Answer:} \frac{12}{7}\,\,yd^2}

5 0
3 years ago
You are given the equation \sqrt{76+n } and \sqrt{2n + 26}. What is the smallest value of n that will make each number rational?
Diano4ka-milaya [45]

Answer:

A proof that square root of 2 is irrational. ... An equation x² = a, and the principal square root ... The number under the radical sign is called the radicand. ... the given square numbers, each product of square numbers is equal to what square ... are relatively prime -- and it will be impossible to divide n· n into m· m and get 2.

Step-by-step explanation:

4 0
3 years ago
Is it 7^12 not so sure ._.
Alekssandra [29.7K]
You are correct, it is.
6 0
3 years ago
Find the difference between 8/10 and -2 Show all calculations in your final answer.
valkas [14]
=2 4/5

8/10+2

2+8/10=2 8/10

4/5- -2/1

(4x1)-(-2x5) divided by 5x1

=4- -10 divided by 5

=14/5

=2 4/5

5 0
3 years ago
The expression 2x2 + 12x + 10 represents a bird's height, in feet, x seconds after it leaves its nest,
marusya05 [52]
The answer is A. You add the extra 10 feet to however high the bird flew from there
8 0
3 years ago
Other questions:
  • Given the functions f(x) = 4x2 − 1, g(x) = x2 − 8x + 5, and h(x) = –3x2 − 12x + 1, rank them from least to greatest based on the
    10·2 answers
  • Algebra question please help me
    9·2 answers
  • Hailey's family is driving to her aunt's house. The family travels 239.4 miles between the hours of 9:10 am and 1:40 pm. What eq
    7·1 answer
  • If abc and gef are congruent by asa criterion which pair of angles must be congruent?
    5·2 answers
  • This circle graph shows the results of a survey that asked people to identify their favorite sport.
    10·2 answers
  • What is the value of x?
    7·1 answer
  • Simlify 2a^b x 3a^b, ^ = squared
    13·2 answers
  • Plot all of the existing five features of the following rational function (some may not
    7·1 answer
  • I need to solve for x
    14·1 answer
  • How to covert 37 feet to yards
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!