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gtnhenbr [62]
2 years ago
8

What is the domain of the function of f(x) = 40t

Mathematics
2 answers:
Bad White [126]2 years ago
6 0

Answer:

All positive Integers (whole and neg. numbers)

Step-by-step explanation:

qaws [65]2 years ago
5 0

Answer:

all rational numbers

Step-by-step explanation:

brainliest?

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A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. how high up the wall does the ladder reach? ro
Alecsey [184]

Answer

Find out the how high up the wall does the ladder reach .

To proof

let us assume that the height of the wall be x .

As given

A 25-foot long ladder is propped against a wall at an angle of 18° .

as shown in the diagram given below

By using the trignometric identity

cos\theta = \frac{Base}{Hypotenuse}

now

\theta = 18^{\circ}

Base = wall height = x

Hypotenuse = 25 foot

Put in the trignometric identity

cos18^{\circ} = \frac{x}{25}

cos18^{\circ} = \bar{0.9510565162}

x = 23.8 foot ( approx)

Therefore the height of the  ladder be 23.8 foot ( approx) .

8 0
3 years ago
Read 2 more answers
Write down a fraction whose value lies between 3 and 4; whose denominator is a multiple of 5; whose numerator is a multiple of 1
slamgirl [31]

Answer:

  33/10 and 55/15

Step-by-step explanation:

Possible denominators that are multiples of 5 less than 17 are 5, 10, 15.

Corresponding numerator ranges are [15, 20], [30, 40], and [45, 60]. In only two of these ranges are there any multiples of 11.

  33 in [30, 40]

  55 in [45, 60]

So, there are only two possible fractions meeting your requirement:

  33/10 and 55/15

6 0
3 years ago
A coin is to be spun 25 times. Let x be the number of spins that result in heads (H). Consider the following rule for deciding w
larisa [96]

Answer:

0.0433

Step-by-step explanation:

Since we have a fixed number of trials (N = 25) and the probability of getting heads is always p = 0.05, we are going to treat this as a binomial distribution.

Using a binomial probability calculator, we find that the probability of obtaining heads from 8 to 17 times is 0.9567 given that the con is fair. The probability of obtaining any other value given that the coin is fair is going to be:

1 - 0.9567 = 0.0433

Since we are going to conclude that the coin is baised if either x<8 or x>17, the probability of judging the coin to be baised when it is actually fair is 4.33%

5 0
3 years ago
Can anyone help me with this??????
Lapatulllka [165]
I think it’s the second one
5 0
3 years ago
Read 2 more answers
How to remember nagative exponents how to solve nagative exponents​
marishachu [46]

To solve the negative exponents , we have to apply the negative exponent rule or the fractional exponent rule.

<h3>How are negative exponent calculated?</h3>

To calculate the negative exponent we need to remember about the negative exponent that the base is on the opposite side of the fraction. Here , We need to flip the fraction so that the base will be on the other side.

Negative exponent Rule :-

a^{-n}  = \frac{1}{a^{n} }

Now , we will solve a fraction with negative exponent

For example ; Simplify the fraction \frac{3^{-2} }{9^{-2} }

Solution : \frac{3^{-2} }{9^{-2} } =  \frac{9^{2} }{3^{2} }= \frac{81}{9}

= 9

Here, 9 is the answer of the above example.

For more negative exponent related content visit here

brainly.com/question/1773695

#SPJ1

7 0
2 years ago
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