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melisa1 [442]
3 years ago
5

How do you find the length of an arc of a circle with a radius of 45 cm if the arc subtends a central angle of 20 degrees?

Mathematics
1 answer:
RUDIKE [14]3 years ago
6 0

treonvty trwqnty ewuit

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a total of 1500 raffle tickets were collected during the school fair. if you have 30 raffle tickets, what is the probability tha
hammer [34]

Answer: 1/50 or 0.02

Step-by-step explanation:

30 / 1500 = 1/50

1/50 or 0.02

3 0
3 years ago
Brian spends
mariarad [96]

Answer:

Brian have £105 left.

Step-by-step explanation:

Given,

Amount earned by Brian per week = £168

Fraction spent on rent = 1/8

Amount spent on rent = 1/8 x 168

Amount spent on rent = £42

Fraction spent on food = 1/8

Amount spent on food = 1/8 x 168

Amount spent on food = £21

Amount left = Amount earned - amount spent on rent - amount spent on food

Amount left = 168 - 42 - 21

Amount left = £105

Brian have £105 left.

I hope this helps you

5 0
3 years ago
An expression is shown below.<br> (3)(x<br> What is the product of the two factors?
Reika [66]

Answer:

3x

Step-by-step explanation:

3 . x is 3x

7 0
3 years ago
g A scientist testing the effects of a chemical on apple yield sprays an orchard with the chemical. A second orchard does not re
rodikova [14]

Answer: determine that the chemical increases apple yield

Step-by-step explanation:

Based on the Data provided or gotten after harvesti of the  orchard the scientists would be able to conclude that the Chemical yielded an increase in the apples. Because the plantation the chemical was applied in produced an average of 60 apples per tree unlike the other plantation which didn’t use the chemical and came up short with 40 apples per tree.

7 0
3 years ago
Find the 6 trìg functions
mars1129 [50]

I hope this helps you

let's find AB

AB=square root of 2^2+3^2

AB=square root of 13

cosO=2/sqrt13

sinO=3/sqrt13

tgO=3/2

ctgO=2/3

6 0
3 years ago
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