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Nutka1998 [239]
3 years ago
13

Brainliest + points! Please HELP and explain

Mathematics
1 answer:
Papessa [141]3 years ago
5 0

Answer:

D

Step-by-step explanation:

The hypotenuse is x and the adjacent side to the given angle is 54

cos20° = \frac{adjacent}{hypotenuse} = \frac{54}{x}

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The graph shows the function f(x).
Artist 52 [7]

Answer:

C

Step-by-step explanation:

What we have to do here is to select a point from the graph

We can select the point (-8,1)

What this simply mean is that when x = -8, y = 1

Now, let us take a look at the second third option

f(-8) will be the cube root of -(-8) , with 1 subtracted from it

The cube root of 8 is simply 2, subtracting 1 from it will yield 1

so that makes the point (-8,1) valid

7 0
3 years ago
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Of all the Sunny Club members in a particular city, 25% prefer swimming on weekends and 75% prefer swimming on weekdays. It is f
Ivan
P(f | weekend) = p(f & weekend)/p(weekend)
.. = 10%/25%
.. = 2/5 = 0.4
3 0
3 years ago
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The Distance between two towns is 120 Kilometers. There are aproximately 8 Kilometers in 5 miles. Which measurement is closest b
Dominik [7]

15 miles is your answer because 120/8=15.

8 0
3 years ago
in complete sentences, explain the process in which this equation would be solved. “Mr Crenshaw can grade one set of papers in 1
hammer [34]

Answer:

6 minutes

Step-by-step explanation:

Mr Crenshaw checks at a rate of 1/10 and Mr. Aguirre checks at a rate of 1/15.

If they work together, they will be checking at a combined rate of:

1/10 + 1/15 = [3(1) + 2(1)]/30

= 5/30 = 1/6

Their combined rate is 1/6 which means they check one set in 6 minutes

3 0
3 years ago
Let m(x) = x / x−1
allsm [11]

Answer with Step-by-step explanation:

We are given that a function

m(x)=\frac{x}{x-1}

a.We have to find the inverse of m.

Suppose, y=m(x)=\frac{x}{x-1}

yx-y=x

yx-x=y

x(y-1)=y

x=\frac{y}{y-1}

Replace x by y and y by x

y=\frac{x}{x-1}

Substitute y=m^{-1}(x)

g(x)=m^{-1}(x)=\frac{x}{x-1}

b.When the inverse function of given function is \frac{x}{x-1}

Then , we get fog(x)=f(g(x))=\frac{\frac{x}{x-1}}{\frac{x}{x-1}-1}

fog(x)=\frac{x}{x-x+1}=x=I(x)

When f and g are inverse to each other then fog(x)=Identity function.

c.If f(x)=x

It is self inverse function.

8 0
4 years ago
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