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Alexxx [7]
3 years ago
12

Rachel solved 50 problems of her Homework correctly and scored 62.5%. How many problems were there in the Homework?

Mathematics
2 answers:
sergiy2304 [10]3 years ago
7 0
There are 80 questions in her homework!

(Please Mark me brainliest, And also thank you for putting extra points on this question :) have a good day)
maria [59]3 years ago
3 0

Answer:

80

Step-by-step explanation:

50 problems/x total = 62.5%

50/62.5=0.8 problem for each percent

0.8 * 100 percent = 80 problems

You might be interested in
Given right triangle A w/a hypotenuse length of x+4 and a leg of x, and right triangle B, w/ a hypotense length of 3y and a leg
alex41 [277]

Answer:

Value is x=8 and y=4

Step-by-step explanation:

Given : A right triangle 'A'  hypotenuse length of x+4 and a leg of x,

and right triangle 'B' hypotenuse length of 3y and a leg length of y+4

To find : For what values of x and y are the triangles congruent by HL?  

Solution :

Triangle A,

Hypotenuse: x+4

Leg: x

Triangle B,  

Hypotenuse: 3y

Leg: y+4  

Since the triangle A and B are congruent so, the sides of triangles are equal.

x+4=3y    (Hypotenuse are equal)  ..........[1]

and x=y+4   (Legs are equal)   ..........[2]

Solving the equation of system,

Put the value of x from [2] in [1],

x+4=3y

y+4+4=3y

8=2y

y=4

Substitute y in [2],

x=y+4

x=4+4

x=8

Therefore, The value of x=8 and y=4

Verifying for the values of x and y:

Triangle A,

Hypotenuse: x+4=8+4=12

Leg: x=8

Triangle B,  

Hypotenuse: 3y=3(4)=12

Leg: y+4=4+4=8

Both hypotenuses and both legs are equal hence they are congruent.

6 0
3 years ago
What does x/4=3/2 equal?
MrRissso [65]
x/4 = 3/2
x/2 = 3 (multiply both sides by 2)
x = 6 (multiply both sides by 2)
Therefore 6/4 = 3/2
6 0
3 years ago
A team t-shirt costs $3 per adult and $2 per child. On a certain day, the total number of adults (a) and children (c) who bought
svlad2 [7]
75 adults, 25 children

4 0
4 years ago
Ashley earns $5.50 per hour babysitting. She wants to buy a CD
DochEvi [55]
She would have to work 13 hours
4 0
3 years ago
An art project has an area of 63.6 square inches. What is the width, in inches, of the project?
miss Akunina [59]

Answer:

Option C . 5.3 in

Step-by-step explanation:

<u><em>The complete question is</em></u>

An art project has an area of 63.6 square inches. What is the width, in inches, of the project?

A rectangle is shown divided into 4 smaller rectangles that are related to the size of the edges. The top edge is labeled 10 inches and 2 inches, above the top two rectangles. The top two rectangles are much larger than the bottom two rectangles

Let

x ----> the length of the art project in inches

y ----> the width of the art project in inches

we know that

The area of the rectangular art project is equal to

A=xy

we have

A=63.6\ in^2

so

63.6=xy ----> equation A

x=10+2=12\ in

substitute the value of x in the equation A

63.6=(12)y

solve for y

y=63.6/12\\y=5.3\ in

8 0
4 years ago
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