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dolphi86 [110]
3 years ago
8

Sara can complete 3/4 of a puzzle in 7/8 of an hour. How much a puzzle can she complete in an

Mathematics
1 answer:
8090 [49]3 years ago
7 0

Answer:

x = 6/7 of a puzzle

Step-by-step explanation:

Number of puzzle : time taken

= 3/4 : 7/8

How much a puzzle can she complete in an hour?

Let

x = number of puzzle to complete

Number of puzzle : time taken

= x : 1

Equate both ratios to solve for x

3/4 : 7/8 = x : 1

3/4 ÷ 7/8 = x / 1

3/4 × 8/7 = x / 1

24/28 = x / 1

Cross product

24 * 1 = 28 * x

24 = 28x

x = 24/28

= 6/7

x = 6/7 of a puzzle

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sergeinik [125]

Answer:

The probability that a student in this survey says something other than that he or she needs a vacation is:

= 58%.

Step-by-step explanation:

The probability of the teens at the local high school in Oregon who said that they needed a vacation = 42%,

Therefore, the probability that a student in the same survey says something other than that he or she needs a vacation must be 58% (100% - 42%).

Probability calculates the frequency of the occurrences of an event.

3 0
2 years ago
In baseball,the pitcher's mound is 60'6 feet from home plate,center field is 350' from home plate,and the distance between each
ahrayia [7]
This problem can be seen as a rectangle triangle where the vertices are:
 Vertice 1: home plate
 Vertice 2: First base
 Vertice 3: second base.
 Right angle between vertice 1 and 2 and vertice 2 and 3.
 Distance between each base in 90 '.
 Calculating then the distance between home plate and second base we have:
 d = root ((90) ^ 2 + (90) ^ 2)
 d = 127.28 feets
 answer:
 the distance between home plate and second base is 127.28 feets
3 0
3 years ago
How old am I if 500 reduced by 2 times<br> my age is 322?
Yuliya22 [10]

Answer:

You are 89 years old.

Step-by-step explanation:

First I subtracted 322 from 500 which got me 178. Then I finally did 178 divided by 2 which got me 89.

Hope this helps you! :)

5 0
2 years ago
Click on the picture to look at some equivalent fractions. Look at them closely. Can you see a relationship of any kind between
Vera_Pavlovna [14]

when you simplify 2/4 it equals 1/2. Making them both equal the same.


2/3 when you double the numbers to make a bigger fraction you make 4/6.

2x2 = 4/ 3x3= /6 = 4/6


3/9 simplified is 1/3. Three goes into three one time, making the top one and three goes into 9 three times making the bottom 3.


When 9/12 is rounded down it is equivalent to 3/4

5 0
3 years ago
Read 2 more answers
What is the square root of 18 plus the square root of 2? And is it rational or irrational?<br>​
kicyunya [14]
The answer is (rounded to the nearest tenth) about 5.7 and since neither 18 or 2 have a perfect square, so this is irrational.
6 0
2 years ago
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