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Dmitry [639]
2 years ago
15

Question 2 (Essay Worth 10 points)

Mathematics
1 answer:
shtirl [24]2 years ago
4 0

Using relations in a right triangle, it is found that:

sin(x) = cos(y) = 0.6.

Since angles x and y are complementary, we have that sin(x) = cos(y), that is, the ratio is of 1.

<h3>What are the relations in a right triangle?</h3>

The relations in a right triangle are given as follows:

  • The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.
  • The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.
  • The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.

Applying the Pythagorean Theorem, the hypotenuse is given by:

h² = 3² + 4²

h² = 25

h = 25.

Hence, applying the definitions:

  • sin(x) = 3/5 = 0.6.
  • cos(y) = 3/5 = 0.6.

Since angles x and y are complementary, we have that sin(x) = cos(y), that is, the ratio is of 1.

More can be learned about relations in a right triangle at brainly.com/question/26396675

#SPJ1

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Sarah's online bank statement has a current balance of $234.45. Find her error and fix her registry so it will be correct.
Brilliant_brown [7]

Answer:

Step-by-step explanation:

beginning balance 187.22

early bird breakfast (debit) 13.54.......balance : 187.22 - 13.54 = 173.68

*** thats the error right there...she subtracted wrong

birthday money (credit) 75......balance : 173.68 + 75 = 248.68

Lou's lunch spot(debit) 14.23....balance : 248.68 - 14.23 = 234.45

current balance : 234.45

8 0
4 years ago
Sin A + cos A/ sin A - cos A +sin A - cos A /sin A + cos A​
natta225 [31]

\\ \sf\longmapsto \dfrac{sinA+cosA}{sinA-cosA}+\dfrac{sinA-cosA}{sinA+cosA}

Let

  • sinA be a
  • cosA be b

\\ \sf\longmapsto \dfrac{a+b}{a-b}+\dfrac{a-b}{a+b}

\\ \sf\longmapsto \dfrac{(a+b)^2+(a-b)^2}{(a+b)(a-b)}

\\ \sf\longmapsto \dfrac{2(a^2+b^2)}{a^2-b^2}

  • Putting values

\\ \sf\longmapsto \dfrac{2(sin^2A+cos^2A)}{sin^2A-cos^2A}

\\ \sf\longmapsto \dfrac{2}{sin^2A-cos^2A}

6 0
3 years ago
The range of (f times g)(x) is<br><br>All real numbers <br>y&lt;0<br>y&gt;0<br>y&gt;2​
kondor19780726 [428]
I don’t understand the question
4 0
3 years ago
The frequency table was made using a box containing slips of paper. Each slip of paper was numbered 0, 1, 2, 3, or 4.
inna [77]
In order to make a frequency plot first we need to find the proportion of each outcome.

Total number of results = 15+20+5+5+5 = 50

Frequency of 0 = 15
Proportion of 0 = 15/50 = 0.3

Frequency of 1 = 20
Proportion of 0 = 20/50 = 0.4

Frequency of 2 = 5
Proportion of 2 = 5/50 = 0.1

Frequency of 3 = 5
Proportion of 3 = 5/50 = 0.1

Frequency of 4 = 5
Proportion of 4 = 5/50 = 0.1

Now we need to plot the data on a frequency plot. The x-axis shows the outcomes from 0 to 4 and y-axis shows the frequency of each outcomes. The frequency plot is shown in the figure attached with.

4 0
4 years ago
Read 2 more answers
I need help on 12, I don't know how to make that an expression! Thanks! Please explain!
exis [7]
A rug maker is using a pattern that is a rectangle with a length of 96 inches and a width of 60 inches. The rug maker wants to increase each dimension by a different amount. Let l and w be the increases in the length and width. Write and simplify an expression for the perimeter of the new pattern.

p=2(96+l)+2(60+w)
This is the equation. p is for perimeter. (96+l) represents the original length plus the change in length. The 2 before (96+l) represents that there is one length on each side of the rectangle.
Same for the width. (60+w) represents the original width plus the change in width. The 2 before (60+w) represents that there is one width on each side of the rectangle.
The simplified equation is p=(192+2l)+(120+2w) (this is your answer)

I hope this helps!

3 0
3 years ago
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