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kipiarov [429]
3 years ago
14

Brian asks 60 students what their favourite colour is and separates the answer into 5 categories. His results are shown in the t

able below. Construct a table showing the angle of each sector and a pie chart to display Brian's results

Mathematics
1 answer:
maria [59]3 years ago
6 0

Step-by-step explanation:

Red’ angle =6010×360=60° 

Blue’ angle =13/60times 360=78 degree‘Blue’ angle =60/13×360=78°

‘Green’ angle 24/60times 360=144\degree‘Green’ angle =60/24×360=144°

‘Yellow’ angle =5/60times 360=30\degree‘Yellow’ angle =60/5×360=30°

Other’ angle 8/60times 360=48\degree‘Other’ angle =60/8×360=48

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Rewrite the following so that y is a function of x 2x + 18y = 36
Reil [10]
Ok so
basically solve for y

2x+18y=36
subtract 2x from both sides
18y=-2x+36
divide both sides b 18
y=-1/9x+2

8 0
4 years ago
A parking lot has ten parking spaces. There are the same number of cars parked in the parking lot as there are empty parking spa
Karolina [17]

Answer:

0.5

Step-by-step explanation:

Total space in the parking lot = 10

number of cars parked = p

number of empty parking spaces = e

There are the same number of cars parked in the parking lot as there are empty parking spaces.

This means,

Number of parked cars = number of empty parking spaces

p = e

If the number of parked cars and number of empty parking spaces = 10

p + e = 10

If p = 5

Then,

p + e = 10

5 + 5 = 10

Write a decimal to show the part of the parking lot that has empty parking spaces.

Empty parking space/total parking space

= 5/10

= 1/2

= 0.5

part of the parking lot that has empty parking spaces = 0.5

8 0
3 years ago
Find x<br><br> -x = 7x - 56
solmaris [256]

Answer:

the answer is 7

Step-by-step explanation:

Add the same term to both sides of the equation

-x=7x-56

−x=7x−56

−x−7x=7x−56−7x

3 0
3 years ago
Read 2 more answers
11-3tothepowerof2+(11-3)tothepowerof2
kifflom [539]

Answer:

66

Step-by-step explanation:

11 - 9 + 8^2

11 - 9 + 64

= 66

8 0
3 years ago
Identify the percent of change as an increase or a decrease 12 inches to 36 inches, increases what is the percent of change ___%
Alisiya [41]

Answer:

It was an increase of 200%.

Step-by-step explanation:

In order to identfy the percent of the change we need to first find the absolute value, to do that we subtract the final value from the initial one. We have:

absolute difference = 36 - 12 = 24 inches

Since this value is positive it was an increase. Now we need to find the percentage at which it was increased, to do that we can use a rule of three in a way that the original value is 100% and the value we want to know is the percentage for the absolute increase. We do this as follows:

12 inches -> 100%

24 inches -> x %

12*x = 2400

x = 2400/12 = 200 %

It was an increase of 200%.

8 0
4 years ago
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