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podryga [215]
2 years ago
13

If the sin 30° is 1 over 2, then the cos ____° = _____. (4 points) 60° ; 1 over 2 30° ; square root 2 over 2 60° ; square root 3

over 2 30° ; 1
Mathematics
2 answers:
sineoko [7]2 years ago
7 0

Answer:

1/2

Step-by-step explanation:

umka21 [38]2 years ago
5 0

Step-by-step explanation:

\sin 30 \degree =  \cos 60 \degree = \frac{1}{2}  \\

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Pls help with year 8 maths
agasfer [191]

Answer:

a) 1

b)11

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d)1

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3 0
3 years ago
Read 2 more answers
For each gym membership sold, the gym keeps $42 and the employee who sold it gets $8. What is the commission the employee earned
horrorfan [7]

Answer:

Commission of the employee = 16%

Step-by-step explanation:

It is given that:

Amount kept by gym = $42

Amount given to employee = $8

Total fee = 42 + 8 = $50

Commission rate = \frac{Commission}{Total\ fee}*100

Commission rate = \frac{8}{50}*100

Commission rate = 0.16 * 100 = 16%

Therefore,

Commission of the employee = 16%

4 0
3 years ago
Read 2 more answers
What is the average rate of change of the function over the interval x = 0 to x = 8?
salantis [7]
Ans:  The average rate of change of function = \frac{1}{102} (in fraction)

Explanation:
The average rate of change of function  = \frac{f(b) - f(a)}{b - a}

Where
b = 8 (x's upper bound)
a = 0 (x's lower bound)

f(b) = f(8) =  \frac{2*8-2}{5*8-6} =  \frac{7}{17} \\ f(a) = f(0) =  \frac{2*0-2}{5*0-6} =  \frac{1}{3} \\  \frac{f(b)  - f(a)}{b-a} =  \frac{ \frac{7}{17} -  \frac{1}{3}}{8} =  \frac{1}{102}

Hence the average rate of change of function = \frac{1}{102} (in fraction)
5 0
3 years ago
There are 54 students in the cafeteria 30 girl sand 24 boys what is the ratio of girls to boys in cafeteria
tresset_1 [31]
The answer is 5 :4

please mark as brainliest thanks'!!!
3 0
3 years ago
Find two numbers if their sum is 6.1 and their difference is 1.6
Nimfa-mama [501]
A+b=6.1 ---(1)
a-b=1.6 ---(2)

(1)+(2); 2a=7.7
then a=3.85
so b=a-1.6 = 3.85-1.6 = 2.25

so that the two numbers are 2.25 and 3.85
5 0
3 years ago
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