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3 years ago

7

Which of the following is a correct tangent ratio for the figure? A) tan (24) 76 B) tan(76°) °= 2 C) tan(76°) = D) tan(8") = 24

76

1 answer:

Sphinxa [80]3 years ago

6 0

Answer:

C

Step-by-step explanation:

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A student has received the following test scores: 71%, 89%, 72%,

lidiya [134]

Answer: 81%

Step-by-step explanation:

From the question, we are informed that a student received the following test scores: 71%, 89%, 72%,

84% and 83% in 5 tests and the student wants to maintain an average of 80%.

The lowest score/grade they can receive on the next test to maintain at least an 80% average first thus:

First, to make it easy we can remove the percent sign. Then we multiply 80 by 6 since we're calculating for 6 tests scores. This will be:

= 80 × 6

= 480

We then add all the 5 test scores. This will be:

= 71 + 89 + 72 + 84 + 83

= 399

We then subtract the values gotten. This will be:

= 480 - 399

= 81

This means the student must get at least 81%

5 0

4 years ago

Eden and Courtney each have a bag of candy. There is a mixture of chocolate and sour candy. Eden has a total of 5 pieces of cand

Svetradugi [14.3K]

2

Step-by-step explanation:

8 0

3 years ago

A company has introduced two new products to the market. The revenue generated by product A was $63,000 in the first year, and t

elena-s [515]

The correct answer is <span>R(x) = 9,000[9(1.035)x + 7(1.021)x]; $170,936</span>

6 0

3 years ago

Read 2 more answers

If the equation of the line is y=1/2x-3, find the x-coordinate of the Lundy whose y coordinate is 5.

Anna71 [15]

Y=1/2x -3 find the x coordinate of the point whose y

coordinate is 5

y = 5. Write the equation as:

1/2F2x - 3 = 5

multiply both sides by 2, and you have

x - 6 = 10

x = 10 + 6

x - 16

Check solution in original equation, replace x with 16

y = 1/2F2(16) - 3

y = 8 - 3

y = 5

5 0

4 years ago

The scores on an achievement test are normaly distributed with mean µ = 100 and standard deviation σ = 100. What should the scor

ser-zykov [4K]

Answer:

the student should score atleast 229 to be among the top 10%.

Step-by-step explanation:

in terms of the normal distribution, and if the table that you're using calculates the area of the normal distribution from the mean to a point x, only then what we are actually finding the value 'x' at which the z-score is at 40% (the rest 50% is already skipped by the table)

$P(0.4) = \dfrac{x - \mu}{\sigma}$

after finding the the value at this z-score, we can find the value of x at which the score is in the top 10% range.

we can find the z-score either using a normal distribution table or calculator. (but be sure what area is it calculating)

looking at the table the closest value we can find is, 0.4015 at z = 1.29 ((it is above 40% because we want to be in the top 10% range)

$P(0.4015) = \dfrac{x - 100}{100}$

$1.29 = \dfrac{x - 100}{100}$

$x = 1.29(100) + 100$

$x = 229$

the student should score atleast 229 to be among the top 10%.

7 0

3 years ago