Answers
Answer:
1. sin and cos 2. complementary 3. sinA = cosB 4. 80° 5. 17
Step-by-step explanation:
1. cofunctions: having the same value at complementary angles
sin θ = cos (90 - θ), or cos θ = sin(90 - θ)
2. complementary: two angles sum to 90°, supplementary: two angles sum to 180°
one of the angle in a right triangle must be a right angle = 90°
180°(sum of angles of a triangle) - 90° = 90°(the sum of the other two angles) => which is complementary
3. sinA = cosB
4. cos θ = sin(90 - θ)
=> cos 10° = sin(90 - 10°)
=> cos 10° = sin(80°)
5. sin θ = cos (90 - θ)
=> sin 73° = cos (90 - 73°)
=> sin 73° = cos (17°)
Related Questions
please help me w this!!!!!!!!
Answers
Answer:
Angle KJL
Step-by-step explanation:
Right Triangle Square
Answer:
It's KJL
Step-by-step explanation:
Like u can see the red thingy is 90°.
what is 2x-4+7x=54.5
Answers
Answer:
=6.5
Step-by-step explanation:
2−4+7=54.5
9−4=54.5
9−4+4=54.5+4
9=58.5
99=58.59
=6.5
hope i helped plz mark me brainlest
Debbie McAdams paid 6% interest on a $14,500 loan balance. Jan Burke paid $12,480 interest on a $97,500 loan. Based on 1 year
a. What was the amount of interest paid by Debbie?
Interest paid by Debbie
b. What was the interest rate paid by Jan? (Round your answer to the nearesi tenth percent.)
Interest rate paid by Jan
c. Debbie and Jan are both in the 28% tax bracket. Since the interest is deductible, how much would Debbie and Jan each save in
taxes? (Round your answers to the nearest cent.)
Debbie
Jan
Save in taxes
Answers
Answer:
C
Step-by-step explanation:
-2 + (-3) + 5 please help me with this question and also step by step
Answers
Answer:
0
Step-by-step explanation:
just calculate the simole way
Answer
Zero
Step-by-step explanation:
The negative sign in "-3" cancels out the addition sign making -2 -3 + 5.
In order of operations, you solve it left to right. So -2 -3 = -5
Then -5 + 5 = 0 or 5 - 5 = 0
Chakan worked at the warehouse after school. He earned $9.25 per hour stacking boxes. Which equation correctly relates Chakan’s total earning, d, to the number of hours he worked, h? (6.EE.9)
x a. d=9.25/h
x b. 9.25/d
x c. d = 9.25h
x d. h = 9.25d
Answers
Answer:
C. d=9.25h
Step-by-step explanation:
total earnings= 9.25 x number of hours worked
also need help with this one !
Answers
Answer:
m = 3
Step-by-step explanation:
I'm sure of it...
Hope it helps u !!!
Answer:
m=3
Step-by-step explanation:
find the distance between -2 1/4 and 1 1/2
Answers
First, you need to get out of the negatives.
-2 1/4+ 2 1/4= 0
2 1/4+ 1 1/2= 3 3/4
I’m sorry i this isn’t what your looking for :/
What is the range of the graph below?
Answers
Answer:
B) -4 < y
Step-by-step explanation:
The lowest point on the y axis of the graph is -4 and everything else is higher
27 students are going on a field trip and 1 student is staying at school. What is the ratio of
the number of students who are staying at school to the number of students who are going
on the field trip?
Answers
Answer: 1/28
Step-by-step explanation:
PLZ HURRY
10 POINTS AND BRANLIEST!!
1. Hilary's Horse Hideaway is buying dirt to fill their circular training area. The training circle is 28 feet across. What is
the area of the training arena?
2. The dirt is sold in truckloads that cover 75 sq feet of ground. How many truckloads of dirt will Hilary need?
Answers
Answer:
1. 615.75
2. 9
Step-by-step explanation:
which one is it?? is it true or false..
Answers
Answer:
true
Step-by-step explanation:
i think its helpbrainliest pls
HELP PLEASE !!!
A store owner asks each person to write "Yes" or "No" on a slip of paper as they leave, secretly writing down whether they were happy with their experience. At the end of the day, the owner selects 12 slips at random and looks at them.
These were the results: yes, yes, yes, no, yes, no, yes, yes, no, yes, no, yes
Estimate the proportion of all shoppers who were happy with their experience that day.
On a different day, the owner found that 25% of the 12 selected slips were marked "Yes." Should the store owner believe that these two results reasonably represent the overall proportion of happy shoppers, or should the owner gather more data? Explain how you know.
Answers
Answer: the owner should gather more.
Step-by-step explanation:
So they can have more overall data to make sure they are correct.
The owner should gather more data.
What is proportion?"A proportion is an equation in which two ratios are set equal to each other."
Consider given situation,
The results on the first day: { yes, yes, yes, no, yes, no, yes, yes, no, yes, no, yes}
Total slips = 12
number of slips marked yes: n(Yes)
On day 1, n(Yes) = 8
So, the proportion of happy shoppers would be,
= 8/12
= 67.7%
This means, approximately 68% of the 12 selected slips were marked "Yes"
On a different day, the owner found that 25% of the 12 selected slips were marked "Yes"
This means the percentage of happy shoppers decreased.
From these two results we cannot determine where people are happy shoppers or not.
So, the owner should gather more data.
Learn more about proportion here:
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PLEASE HELP!!!!!! REAL ANSWERS ONLY!!!!!! NO LINKS!!!!!!!
Answers
Answer:
the formula to find area of a circle is A=πr²
so the radius is 10
A=π10²
A=20π
I hope it helps
Find the value of d, the length of the diagonal across the square. If
necessary, round your answer to 2 decimal places.
20 points pls help!
Answers
Answer:
28.28
Step-by-step explanation:
The diagonal of a square is [tex]\sqrt{2}[/tex] times the length of a side of the square.
So the diagonal of your square is 20[tex]\sqrt{2}[/tex] = 28.28
56°
101°
Find the value of the missing angle a.
Answers
Answer:
the x angle = 45 ............. 45
Triangle add up to 180°
Add 79 and 56 and 180-135= 45
45°
WILL GIVE BRAINLIEST! PLEASE HELP!
Which of the following
expresses the possible number of.
positive real solutions for the polynomial equation shown
below?
5x3 + x2 – 7x + 28=0
A. Two or zero
B. One
C. Three or one
D. Zero
Answers
Answer:
C
Step-by-step explanation:
Since the polynomial is of 3rd degree, it has 3 solutions. The possibilities are 3 real solutions or 1 real solution and 2 imaginary solutions.
Therefore, C is the correct answer
what the lateral area is of this rectangular prism
I asked this question ten times and haven’t gotten a serious answer pls just tell me
Answers
Answer:
1410
Step-by-step explanation:
Perimeter of base * by height.
94*15
1410
please help me with the question
Answers
have a great day! steps are down below! :)
Sakura speaks 150 words per minute on average in Hungarian, and 190 words per minute on average in Polish. She once gave cooking instructions in Hungarian, followed by cleaning instructions in Polish. Sakura spent 5 minutes total giving both instructions, and spoke 270 more words in Polish than in Hungarian.
How long did Sakura speak in Hungarian, and how long did she speak in Polish?
Sakura spoke for _____ minutes in Hungarian and for _____ minutes in Polish.
Answers
Hungarian and for 3 minutes in
Polish.
. Stephanie has a jewelry box shaped like a cube with a volume of 125 cubic inches. Write an expression to find the edge length of the jewelry box in inches.
Answers
Answer:
25
Step-by-step explanation:
To get this right, we need to get the correct formula for the volume of a cube.
Imagine this:
What is the area of a square? Easy ! Length of the edge times itself. You can imagine what this means as the edge if the we have one line E move straight along an E-long line, the path it made is the square.
Similarly to the cube. Imagine what can be a volume of a cube with edge E that has something to do with the edge?
That's right. A square with edge Emove vertically straight in a E-long line. So the correct volume should be the area of the square times the length of its edge. But the area of the square is already the edge times itself
In formula, if a cube has volume V and edge length E, we have the equation.
V = E×E×E
Please help! I need this asap! Thank you. (^-^)
Answers
Answer:
b
Step-by-step explanation:
At the store, Craig bought 2 staplers and 4 pads of paper for $24. On
another day, he bought 3 staplers and 3 pads of paper for $21. How
much does each a stapler and a pad of paper cost?
Answers
Answer:
Step-by-step explanation:
2x+4y+24
3x+3y=21
the LL theorem is a special case of the
Answers
Answer:
the LL theorem is a special case of the SAS Postulate or SSS Postulate
Step-by-step explanation:
What is the angle relationship between angles 2 and 6? Please help, thanks!
Answers
Answer:
Corresponding and Congruent
Step-by-step explanation:
Find the slope of the
line through the
points (1,-2) and (-7,4)
Answers
Answer:
-3/4
Step-by-step explanation:
To find the slope, plug the coordinates into the slope formula.
y2 - y1 / x2 - x1
4 - (-2) / -7 - 1
6 / - 8
-3/4
What is log152 rewritten using the power property?
Answers
Answer: Power property: That means the power m can be brought down to front of the logarithm.
Step-by-step explanation:
Logarithmic function, Log 152 can be written as Log 19 + 3 log2.
What is a logarithmic function?The opposite of an exponential function is a logarithmic function. A log function and an exponential function both use the same base. An exponent is a logarithm. f(x) = bˣ is how the exponential function is expressed. The formula for the logarithmic function is f(x) = log base b of x.
Given, A logarithmic function log152
Simplifying the Function,
=> log152
=> log( 19 * 8)
From the additional property of the log,
=> log 19 + log 8
=> log 19 + log2³
From the power property of the logarithmic
=> log 19 + 3 log2
Learn more about logarithmic functions here:
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A woman is looking up at a bird perched on top of a tree. Her line of sight to the bird is at an angle of elevation of 44°. If the woman’s eyes are 5 feet off the ground and she is 17 feet away from tree, how far up the tree is the bird perched?
Group of answer choices
A. 17.6 ft
B.16.4 ft
C. 21.4 ft
D. 22.6 ft
Answers
Answer:
21.4
Step-by-step explanation:
A. What is the perimeter of the rectangle?
B. What is the area of the rectangle?
Answers
Answer:
A) perimeter = 3 + 3 + 8 + 8 = 22 units
B) area = 3 x 8 = 24 units²
Step-by-step explanation:
1+1=1268934457687423456779052436869867543?
Answers
Answer:
2
Step-by-step explanation:1+1=2 its 2 okay its 2 not 1268934457687423456779052436869867543
The points scored by a football team in their first 8 games of the season were {7, 20, 13, 26, 16, 39, 18, 13}. What is the difference between the mean and the median number of points scored? Question 9 options:
Answers
Answer:
19
You have to add up all the sums and divide it by 8 so therefore your answer is 19.
Answer:
the difference between them is 22
Step-by-step explanation: