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Sever21 [200]
3 years ago
10

Unit 8 Right triangles & trigonometry

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
5 0

Answer:

86.11 (86.11276135)

Step-by-step explanation:

Tangent, opposite, adjacent.

42 tan (64)=86.11

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Tyler wonders what proportion of students at his school would dye their hair blue if their parents would let them. He surveyed a
pshichka [43]

Using the proportion concept, it is found that:

  • According to Tyler's sample, the estimate is of 0.2 = 20%.
  • According to Kyran's sample, the estimate is of 0.17 = 17%.
  • Due to the higher sample size, Kyran's estimate is more accurate.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and larger sample sizes lead to more accurate predictions.

In Tyler's sample, 2 out of 10 students would dye their hair blue, hence:

p = 2/10 = 0.2.

In Kiran's sample, 17 out of 100 would, hence:

p = 17/100 = 0.17.

Due to the higher sample size, as 100 > 20, Kyran's estimate is more accurate.

More can be learned about proportions at brainly.com/question/24372153

8 0
2 years ago
What is the surface area of the box 12in 4in 3in
Slav-nsk [51]
Find the area of the base:
(4)(3) = 12sqft
Find the area of the sides:
(4)(12) = 48sqft
There are 2 bases and 4 sides, therefore:
12(2) + 48(4) = 24 + 192 = 216sqft
Hope this helps :)
5 0
3 years ago
The radius of a circle is 4 feet. What is the area?
Serhud [2]
The answer is 50.26.
6 0
3 years ago
Someone pls help ill give you a kiss and a cookie fi you help meee
Delicious77 [7]

Answer:

cscθ = 5/4, secθ = 5/3

Step-by-step explanation:

First, let's view the drawing that I have attached, with the dot in the bottom left representing the origin. We know that cosecant and secant are the reciprocals of sin and cos respectively, and in order to find sin and cos, we must find the opposite, adjacent, and hypotenuse sides. The hypotenuse is opposite the right angle, equal to √(8²+6²) = 10

Next, we can find sin and cos of θ . sinθ = 8/10=4/5, making cscθ the reciprocal of 4/5, or 5/4

Similarly, cosθ = 6/10=3/5, and secθ = 5/3

7 0
3 years ago
32 divided by 11 is it two or 10 Please help me
mars1129 [50]

Answer:

2 with a remainder of 10

Step-by-step explanation:

11 goes into 32  2 times which is 22. Then there is 10 leftover as a remainder.

5 0
3 years ago
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