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Vladimir79 [104]
3 years ago
14

I got 30.9 but Idk if it’s right

Mathematics
2 answers:
erica [24]3 years ago
8 0

Answer:

Step-by-step explanation: I think that is correct, can you explain to me tho how you got that answer?

CaHeK987 [17]3 years ago
3 0

Answer:

  30.9 ft

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you that ...

  Cos = Adjacent/Hypotenuse

In this scenario, the side adjacent to the 75° angle is the 8 ft distance from the building. The hypotenuse of the triangle is the ladder. So, we have ...

  cos(75°) = (8 ft)/(ladder length)

  ladder length = (8 ft)/cos(75°) ≈ 30.9 ft

The ladder is about 30.9 feet long.

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30,45,x,100; the mean is 60
Andrei [34K]

if there are 4 numbers that average to 60, when mutiplied they must come up to: 60*4= 240

100+30+45= 175

240-175= 65

PROOF:

100+30+45+65= 240

240÷ 4

= 60

6 0
3 years ago
Read 2 more answers
What’s the inverse of f(x)=2x+3
Sergeu [11.5K]

Answer: f-1(y) = (y-3)/2


Step-by-step explanation:



f(x) = 2x+3, written as a flow diagram:


2x+3


The Inverse Function goes the other way:


Inverse


So the inverse of: 2x+3 is: (y-3)/2



The inverse is usually shown by putting a little "-1" after the function name, like this:


f-1(y)


We say "f inverse of y"


So, the inverse of f(x) = 2x+3 is written:


f-1(y) = (y-3)/2

5 0
3 years ago
Read 2 more answers
From a group of 8 women and 6 men, a committee consisting of 3 men and 3 women is to be formed. How many different committees ar
murzikaleks [220]

Answer:

(a) 896

(b) 1000

(c) 910

Step-by-step explanation:

Number of women = 8

Number of men = 6

A committee consisting of 3 men and 3 women is to be formed.

(a) 2 of the men refuse to serve together.

Number of men who don't want to serve together = 2

Remaining men = 4

Total ways = Both men who don't want to serve together are not selected + only one of them is selected.

^{8}C_{3}\cdot ^{4}C_{3}+^{8}C_{3}\cdot ^{4}C_{2}\cdot ^{2}C_{1}

896

(b) 2 of the women refuse to serve together.

Number of women who don't want to serve together = 2

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Total ways = Both women who don't want to serve together are not selected + only one of them is selected.

^{6}C_{3}\cdot ^{6}C_{3}+^{6}C_{3}\cdot ^{6}C_{2}\cdot ^{2}C_{1}

1000

(c)1 man and 1 woman refuse to serve together.

Ways = Total ways - Both man and woman are select who refuse the serve together

^{8}C_{3}\cdot ^{6}C_{3}-^{5}C_{2}\cdot ^{7}C_{2}

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6 0
4 years ago
Find the value of x.
Anna [14]

Answer:

55.7°

Step-by-step explanation:

I hope this helps.

7 0
3 years ago
Charisse collects antique salt and pepper shakers. The value of her cactus salt and pepper shakers is shown (56.28$). The value
MAVERICK [17]

Answer:

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Step-by-step explanation:

It looks like the rate of change is supposed to be -2 2/5% = -2.4% per year. That means the "growth factor" is ...

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  growth factor = 1 -2.4% = 1 -0.024 = 0.976

Each year, Charisse's cactus salt and pepper shakers will have their value multiplied by this factor. After 2 years, their value will be ...

  ($56.28)(0.976)(0.976) = $56.28×0.976^2 ≈ $53.61

The value is projected to be $53.61 in 2 years.

6 0
3 years ago
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