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Over [174]
4 years ago
10

Based on the diagram above, a student determined the hypotenuse of the triangle to be 6√3 Determine if the student's answer is c

orrect. If it is not correct, find the correct length.

Mathematics
1 answer:
zimovet [89]4 years ago
7 0

Answer:

The student answer is wrong. The correct length of the hypotenuse is 12

Step-by-step explanation:

The question is incomplete without diagram. Find the diagram attached below.

The longest side of the right angled triangle is the hypotenuse.

The side facing the angle 30° is the opposite side of the triangle.

To find the hypotenuse, we will use the SOH CAH TOA method in trigonometry identity.

According to SOH:

Sin30° = Opposite/Hypoenuse

Sin30° = 6/Hypotenuse

Hypotenuse = 6/sin30°

Hypotenuse = 6/0.5

Hypotenuse = 6×2

Hypotenuse = 12

The student answer is wrong. The correct length of the hypotenuse is 12

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Emily is thinking of a number, which she calls n. She finds 1/4 of the number and then subtracts 3.
Debora [2.8K]

Answer:

n/4 - 3 OR 1/4n - 3

Step-by-step explanation:

First, let's assign a variable to Emily's number.  Let is be <em>x</em>.

Now all we have to do is go through the problem step by step.

"She finds 1/4 of the number..."

There are two ways you can do this.  You can either multiply n by 1/4 (1/4n), or you can divide by 4 (dividing by four is the same as finding 1/4 of a number).  For this example let's divide by four

n/4

"...and then subtracts 3."

All we have to do is subtract 3 from n/4

n/4 - 3

REMEMBER: like I said, there are two possible options.  You can either have n/4 or 1/4n. They mean the same thing

6 0
3 years ago
The function c=180n+250 represents the total lodging cost c (in dollars) for a stay at a vacation destination of n nights.
Svetlanka [38]

Given:

The function for the total lodging cost c (in dollars) for a stay at a vacation destination of n nights is

c=180n+250

Budget = $900

To find:

The number of nights you can stay at you vacation destination.

Solution:

Since, budget is $900, therefore, the cost must be less than or equal to $900.

c\leq 900

180n+250\leq 900

180n\leq 900-250

180n\leq 650

Divide both sides by 180.

n\leq \dfrac{650}{180}

n\leq 3.611

Number of nights must be a whole number. So, greatest whole value of n is 3.

Therefore, you can stay 3 nights, i.e., n=3.

8 0
3 years ago
Decide whether the function is an exponential growth or exponential decay function, and find the constant percentage rate of gro
Rasek [7]

Answer:

Exponential decay function; -0.94%

Step-by-step explanation:

We are given an exponential function and we are supposed to find whether the given function increases or decreases and also the percentage of increase or decrease.

Th given function is f(x) = 2060\times (0.9906)^{x}

Here x denotes the number of years.

At the start the value was 2060. In the next year it was multiplied by 0.9906.

This means that the value becomes 0.9906 times after each year.

Hence the value decreases by 0.0094 times its original value.

Converting to percentage it becomes 0.94% decrease after each year.

7 0
3 years ago
Pls plspsp l psl help me so much thankws
mariarad [96]

Answer:

its the one with the math abatic order you see its h h but the one on the right is correct

Step-by-step explanation:

7 0
3 years ago
Assume that the assumptions and conditions for inference with a two-sample t-test are met. Test the indicated claim about the me
Andreyy89

Answer:

D. Since the P-value is less than 0.05, we reject the null hypothesis and conclude that there is a difference in the softness level achieved by the two processes.

Step-by-step explanation:

H0: μ1 - μ2 = 0

Ha: μ1 - μ2 ≠ 0

Test statistic t = 3.328, P-value = 0.0014, DF = 69.97

The Critical value for df  = 69.97 is t ( ∝/2) (df): ±1.9945

The  calculated t value falls in the critical region so H0 is rejected

As P - value is less than significance level H0 is rejected .

It is a two tailed test and the P - value is0.0014 which is less than 0.05 the significance level.

This means the softness achieved by Process A  is considered to be not equal to the softness achieved by the Process-B .

Only choice D is correct.

8 0
3 years ago
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