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nikdorinn [45]
3 years ago
13

Hey there! I know this is prob really simple and I am beginning to understand it, but my problem is

Mathematics
1 answer:
gulaghasi [49]3 years ago
8 0

Answer:

sec(60) = 2

Step-by-step explanation:

sec(theta) = 1/cos(theta)

theta = 60o

cos(60) = 1/2 = 0.5

sec(theta) = 1/0.5 = 2

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Brett works at a local pet store. When he works 5 hours he earns $25. When he works 10 hours he earns $50. What is the rate per
vampirchik [111]

Answer:

$5 per hour

Step-by-step explanation:

25/5 = 5

10*5 = 50

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3 years ago
A dog shelter housed 24 puppies last month. This month, 39 puppies are at the shelter. What is the percent of change?
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62.5%

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3 years ago
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Bob’s monthly phone bill is made up of a $10 fee plus $0.05 per minute. Bob’s phone bill for July was $22. Write an equation to
Blizzard [7]

Answer:

equation: 10 + 0.05x=22

Step-by-step explanation:

the next step after writing the equation would be to subtract 10 from both sides to get 0.05x=12. after this you would then have to divide 12 by 0.05 to get 240 minutes. you could check it by putting 240 in for x to get 10+0.05(240)=22. you would then multiply 0.05 by 240 to get 12 and then add 10 onto it to get 22 which was already given.

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3 years ago
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Find the missing side, round to the nearest tenth.
Yuri [45]

Answer:

x=20°

Step-by-step explanation:

the photo is the explanation

7 0
4 years ago
Which two ratios form a proportion? a) 4 20 and 1 5 b) 4 20 and 2 5 c) 20 4 and 1 5 d) 20 4 and 2 5
Alik [6]

A is proportional.

Lets simplify the problem,

← divide numerator/ denominator by 4

= 4/20= 1/5

Thus A form a proportion

≠ 1/5

Thus B is not a proportion

← divide numerator/ denominator by 4

=  2/5 ≠ 1/5

Thus C is not a proportion

5/1 ≠ 1/5

Thus D is not a proportion

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