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3 years ago

10

‼️ What is the height of a right triangle with an angle that measures 60 degrees and a base of 14 adjacent to the 60 degree angl

e???

1 answer:

puteri [66]3 years ago

7 0

You'd use tangent for this.

opposite / adjacent

tan 60* = x/14

multiply both sides by 14

tan 60* = 1.73

tan 60* (1.73 x 14) = x

24.22 = x

Your answer should be 24.22

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Kitty [74]

Answer:

105

Step-by-step explanation:

I took 21 and added it five times and got 105.

If you multiply it 21×5 you still get 105.

Hope this helps ^-^

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3 years ago

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marissa [1.9K]

Answer:

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3 years ago

How would you do 5^-1 (mod 26) ?

Yuri [45]

What we’re looking for is the value of k that will satisfy the equation.

The solution would be like this for this specific problem:

5k =1 (mod 26)

Check how 5*5 = 25 = -1 (mod 26)

In this way, 5*(-5) = -5*5 = -25 = -(-1) = 1 (mod 26)

Thus, k = -5 = 21 (mod 26)

And 5^-1 = 21 (mod 26)

I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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3 years ago

The College Board originally scaled SAT scores so that the scores for each section were approximately normally distributed with

likoan [24]

Answer:

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Step-by-step explanation:

We are given that the College Board originally scaled SAT scores so that the scores for each section were approximately normally distributed with a mean of 500 and a standard deviation of 100.

Let X = percentage of students who scored greater than 700.

Since, X ~ N( $\mu, \sigma^{2}$ )

The z probability is given by;

Z = $\frac{X-\mu}{\sigma}$ ~ N(0,1) where, $\mu$ = 500 and $\sigma$ = 100

So, P(percentage of students who scored greater than 700) = P(X > 700)

P(X > 700) = P( $\frac{X-\mu}{\sigma}$ < $\frac{700-500}{100}$ ) = P(Z < 2) = 0.97725 or 97.72% Therefore, percentage of students who scored greater than 700 is 97.72%.

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3 years ago

At a local gas station regular gas line sale for $2.89 per gallon wow premium gas line sale for three dollars is in $.39 per gal

Allisa [31]

Answer:

$7.55

Step-by-step explanation:

We have been given that at a local gas station regular gasoline sale for $2.89 per gallon while premium gasoline sale for $3.39 per gallon. We are asked to find the amount saved by a person on buying 15.1 gallons of regular gasoline.

First of all, we will find amount saved on buying 1 gallon of regular gasoline as:

$\text{Savings from one gallon of regular gasoline}=\$3.39-\$2.89$

$\text{Savings from one gallon of regular gasoline}=\$0.5$

To find amount saved on buying 15.1 gallons of regular gasoline, we will multiply $0.5 by 15.1 as:

$\text{Savings from 15.1 gallons of regular gasoline}=\$0.5\times 15.1$ $\text{Savings from 15.1 gallons of regular gasoline}=\$7.55$

Therefore, a person will save $7.55 on buying 15. gallons of regular gasoline.

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3 years ago