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3 years ago

How much of the circle is shaded? Write your answer as a fraction in simplest form. 1/3 and 3/7

Mathematics

1 answer:

Marina86 [1]3 years ago

4 0

1 over the 3 + 7 x 5 5.6

multiplyn 1.3

divide 5.6

subtract 0.3

answer is 1/5

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What is the sales price of a $18.95 football with a 15% discount?

skelet666 [1.2K]

$18.95 x 15/100 is equal to 2.84

18.95 - 2.84 is equal to $16.11

Hope that helped! :)

7 0

3 years ago

Read 2 more answers

Help me fast times-a-ticking

d1i1m1o1n [39]

No, because it has a constant rate of change

By looking at this table

The y value changes at a constant multiple of 2

6 4

7 2 (4-2 is a difference of 2)

8 0 (2-0 is a difference of 2)

9 -2 (0-2 is a difference of 2)

This means it is Linear

8 0

3 years ago

Read 2 more answers

The average value of two positive numbers is 30% less than one of the two numbers. By which percentage is average value bigger t

Viefleur [7K]

Answer:

75% bigger

Step-by-step explanation:

Let the first number be x and the second be y.

So:

$Average = \frac{x + y}{2}$

And:

$Average = (1 - 30\%) * x$ -----30% less than x

Substitute $Average = (1 - 30\%) * x$ in $Average = \frac{x + y}{2}$

$\frac{x + y}{2} = (1 - 30\%) * x$

$\frac{x + y}{2} = (1 - 0.30) * x$

$\frac{x + y}{2} = 0.70 * x$

$\frac{x + y}{2} = 0.70x$

Cross multiply

$x + y = 0.70x * 2$

$x + y = 1.40x$

Collect like terms

$1.40x - x = y$

$0.40x = y$

Make x the subject

$x = \frac{y}{0.40}$

$x = 2.50y$

So, the average is:

$Average = (1 - 30\%) * x$

$Average = (1 - 30\%) * 2.50y$

$Average =0.70 * 2.50y$

$Average =1.75y$

Rewrite as:

$Average =(1 + 0.75)y$

Express as percentage

$Average =(1 + 75\%)y$

This means that the average is 75% bigger than the second number

6 0

3 years ago

What is the percent of change from 100 to 14

Alik [6]

Answer:

there is an 86% change

4 0

3 years ago

A store is having a 15% sale on movies. A movie is on sale for 22.10, what is the original price of the movie?

Westkost [7]

15% sale so 22.11 its 85% of original price. To solve this problem we can use proportion
22.10----------85%
x----------------100%
crossmultiply
85x=22.1/*100
85x=2210 /:85
x=26$- its the answer

6 0

3 years ago