Given: Angle 0 is in quadrant III and sin0 = -sqrt(6)/4
Prove: cos0 = -sqrt(10)/4
Answers
Answer:
Below.
Step-by-step explanation:
The cosine is also negative in Quadrant III.
sin^2 O + cos^2 O = 1
cos^2 O = 1 - sin^2 O
= 1 - (-sqrt(6)/4)^2
= 1 - (6/16)
= 16/16 - 6 /16
= 10/16
So cos O = -sqrt(10/16)
= -sqrt(10)/4.
Related Questions
A block of cheese has a volume of 223 cm3 and a mass of 175 g.
What is the density of the cheese in g/cm3 rounded to 2 decimal places?
Answers
Answer:
0.79 g/cm³
Step-by-step explanation:
175 g/223 cm³ = 0.79 g/cm³
Answer:
0.78 g/cm³
Step-by-step explanation:
Density = mass ÷ volume
=175g ÷ 223cm³
=0.7847533632(2dp)
=0.78g/cm³
Which expression is NOT equivalent to 100 + 20
Answers
Answer:
the answer is 2(50+9)
Step-by-step explanation:
In Mexico there are many street vendors that sell leather goods. One place in particular in Rosarita sells their purses for $25 each. How many purses must they sell in one month to make at least $3,500 profit if their overhead costs are $1,020 per month?
Show your work.
Answers
Answer:
180.8 or just round to 181
Step-by-step explanation:
plss help i’ll give brainliest thank you!
Answers
Answer:
36
Step-by-step explanation:
The formula of LCM is LCM(a,b) = ( a × b) / GCF (a,b)
The Greatest Common Factor of (9,12) = 3
Therefore
LCM of 9 and 12 = (9 × 12) / 3
= 108/3 = 36
LCM of 9 and 12 = 36
Irrespective of the method, the solution to our question LCM of 9 and 12 is the same.
Therefore, LCM of 9 and 12 is 36
Find the area of the parallelogram
Answers
Answer:
45 m
Step-by-step explanation:
Here,
Base (b) = 9m
Height (h) = 5m
Area of parallelogram = b * h. = 9*5. = 45m
Draven's computer downloads files at a rate of 220 kilobytes per second. The computer has already downloaded the first 550 kilobytes of a 2310-kilobyte file. Solve the equation 550 + 220s = 2310 to find the number of seconds it will take to download the rest of the file.
Answers
Answer:
no se
Step-by-step explanation:
grfdskhcifewdsoheuwifhgtvihgfdsfdsseyuwryewgrgewtfrggsdgfyusdgfgsdgfuysdgfuygsuygfysgfugsdyfgsdgfhsdgfhgshfgsdhgfhjsd
Write the equation of a vertical line that passes through the point (-7,3).
Answers
If line is vertical then the slope/m=1/0= undefined
But we know that it’s x value will always remain constant
(-7,3) tells us that the x value is -7
x=-7
So
x+7=0
Pls help with this circles problem for math.
Answers
9514 1404 393
Answer:
see attached
Step-by-step explanation:
Point A is arbitrarily located. We have drawn the circle on a grid, so have made points A and E on orthogonal axes through point O.
1. Point B can be anywhere on the circle except on line AO.
2. Making circle A have the same radius as circle O puts points C and D 120° apart.
3. In this diagram, OF bisects right angle EOA, so central angle EOF is 45°.
The radius of a sphere is 6 units.
Which expression represents the volume of the sphere, in cubic units?
Three-fourthsπ(6)2
Four-thirdsπ(6)3
Three-fourthsπ(12)2
Four-thirdsπ(12)3
Answers
Answer:
The answer is Three-Fourthst(12)2
Answer:
C. or 3
Step-by-step explanation:
If a penceil has 25 grams and a apple has 75 grams more then the penceil how many grams is the apple
Answers
Answer:
The answer is 100
Step-by-step explanation:
It's 100 because it's saying that the apples is 75 more grams than the pencil. So we do 25 grams plus 75 grams which gets us 100. If your wondering where I got the 25 from it's from the amount of the pencil.
NO LINKS!!! PLEASEE HELPP MEE QUICK I NEED TO GRADUATE PLS :( Find the midpoint of the segment below and enter its coordinates as an
ordered pair. If necessary, express coordinates as fractions, using the slash
mark (/) for the fraction bar
(18,5)
(-6,-9)
Answers
Answer:
(5,-2)
Step-by-step explanation:
I hope this helps :)
For each 48 mm of coloured fabric Fiona uses to make her curtains, she also uses 1.2 cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simplest form
Answers
Answer:
1:40
Step-by-step explanation:
white - 1.2 coloured - 48
= 1.2 : 48 to put this in its simplest form you...
*make them both whole numbers... Divide both by 10
=12 : 480 now find highest common factor, which is 12
12 divide by 12 = 1
48 divide by 12 = 10
= 1 : 40
Please help me with these two :/
Answers
Find the outlier of the data set {20, 100, 75, 85, 90, 80, 75).
Answers
Answer:
20.00
Step-by-step explanation:
In the set of data, the number furthest from the average is the number provided. Therefore, this must be the correct answer.
Simplify: 36÷{12-(3+6)*5}
Answers
B = 36/ (12-9*5)
B = 36/ (12- 45)
B = 36/ (-33)
E = N/A
D = 3
M = N/A
A = N/A
S = N/A
Answer:
12/11
Step-by-step explanation:
Any work inside parentheses must be done first.
Thus, start with (3 + 6); this equals 9. Then the original expression becomes
36÷{12-(9)*5}
Multiplication and division are done before addition and subtraction. Thus, the next stp is to multiply 9 and 5, obtaining 45, inside the parentheses. This results in
36÷{12-45}, or 36÷{33}, which leads to the answer 36/33, or 12/11.
What is the slope? What is the y-intercept? What is the equation of line (write is slope intercept form)?
Answers
Answer:
[tex]2x+1[/tex]
Step-by-step explanation:
Use the rise over run method.
[tex]\frac{rise}{run}[/tex] = [tex]\frac{2}{1}[/tex]
To find the y-intercept, look where the line crosses on the y-axis. In this case, the line crosses on 1.
Now plug in the numbers:
[tex]y=mx+b[/tex]
m = slope
b = y-intercept
[tex]y=2x+1[/tex]
[tex]2x+1[/tex]
Hence the equation of the line is, [tex]2x+1[/tex].
HELP THIS IS SO HARD ASP PLS
Answers
Answer:
Step-by-step explanation:
how do i solve
-4(2x+5)+8x+20
Answers
Answer:
0
Step-by-step explanation:
-4(2x+5)+8x+20
-8x-20+8x+20
0+0=0
0
please solve for M<PRQ
Answers
Answer:
[tex] m\angle PRQ =49\degree [/tex]
Step-by-step explanation:
[tex] m\angle PSQ = 360\degree - (128\degree + 134\degree )[/tex]
[tex] m\angle PSQ = 360\degree - 262\degree [/tex]
[tex] m\angle PSQ = 98\degree [/tex]
Now, by inscribed angle theorem:
[tex] m\angle PRQ = \frac{1}{2} \times m\angle PSQ [/tex]
[tex] m\angle PRQ = \frac{1}{2} \times 98\degree [/tex]
[tex] m\angle PRQ =49\degree [/tex]
plz help asap!!!!!!!!!!!!!!!
Answers
i chose two points from the graph like (6,20)
and (12,40)
and find the slope will give you 3.333
which is the closest to 45/14 or 3.2
For an employee training, the employee to instructor ratio is 24 to 2. If there are 39 instructors for the training, how many employees participated in the training?
Answers
Answer:
468
Step-by-step explanation:
Employee : instructor = 24 : 2
If there are 39 instructors
Employee = x
Employee : instructor = x : 39
Equate both ratios
24 : 2 = x : 39
24/2 = x/39
Cross product
24 * 39 = 2 * x
936 = 2x
x = 936/2
x = 468
Employees = x = 468
Please help!!!!!I’ll mark you as brainliest!!!!!!
Answers
Answer:
D
Step-by-step explanation:
PLease answer this quickly, my friend doesn't get the question.
Answers
Step-by-step explanation:
2 pepperoni and 1 cheese
Answer:Its exactly 2 whole pizzas but dont tell your friend this and tell him the answer is 3 pizzas so you get the right answer and can laugh at him
Step-by-step explanation:
also who WANTS 2/6 of a pizza LIKE imagine someone saying that in real life
khan academy! please helppp
Answers
Answer: Figure A to Figure B is a scale factor of 0.5
Step-by-step explanation:
It's not too hard to figure out scale factor, since the two shapes are the same aside from their scale. Notice how Figure A is 4 units tall, and that Figure Bis 2 units tall. From one figure to another, use the equation Figure B/Figure A to find the scale factor. Although you won't really need to memorize all this, you can count the amount of units on your fingers and figure it out from there.
how do you solve y=x+4 and y=-2x+1 using the subsituation method and show work and please give me the correct answer
Answers
Answer:
(-1,3)
Step-by-step explanation:
so y=x+4 and y=-2x+1
obviously, y=y
so that means that x+4 is equal to -2x+1
let's use that
y=x+4,y=-2x+1
y=y
x+4=-2x+1
x+2x=1-4
3x=-3
x=-1
y=x+4
y=(-1)+4
y=3
(-1,3)
Can someone help ill choose brainliest if best
Answers
Answer:
Statistical Questions: 1 and 3
NOT Statistical Questions: 2 and 4
Step-by-step explanation:
A statistical question is one that can be answered by collecting data and where there will be variability in that data. This is different from a question that anticipates a deterministic answer.
For example, "How many minutes do 6th grade students typically spend on homework each week?" is a statistical question.
Median of 4 3 8 6 21 3
Answers
Answer:
5
Step-by-step explanation:
order from least to greatest: 3, 3, 4, 6, 8, 21
4 and 6 are in the middle
6+4=10
10/2=5
hope this helps
What is being done to the variable in the equation = -40?
It's being multiplied by -40.
It's being multiplied by -5.
It's being divided by -40.
It's being divided by 5.
Answers
Answer:
3rd one
Step-by-step explanation:
because of the cheese
Answer:
3rd
Step-by-step explanation:
mmm cheese
A circle has a diameter of 16 inches. Which formula represents how to find the area of the circle?
Answers
Answer:
B. A = pi • 8^2
Step-by-step explanation:
Area = pi • radius squared
radius is half of diameter so 16/2 = 8
The area of the circle that has a diameter of 16 inches would be A = π x 8².
What is the area of a circle?The formula to calculate the area of the circle is -
A = πR²
Given is that a circle has a diameter of 16 inches.
We can write the area of the circle as -
A = π(D/2)²
A = π(16/2)²
A = π(8)²
A = π . 8²
Therefore, the area of the circle that has a diameter of 16 inches would be A = π x 8².
To solve more questions on circles, visit the link below -
https://brainly.com/question/27911936
#SPJ2
Let f() = 3x - 1 and g(x) = 2x + 3 and find f(g(3))
Select the correct
response
f(g(3)) = 21
f(g(3)) = 19
f(g(3)) = 26
f(g(3)) = 17
Answers
Answer:
f(g(3)) = 26
Step-by-step explanation:
f(g(3))
g(3) = 2x + 3
= 2(3) + 3
= 6 + 3
= 9
f(9) = 3x - 1
= 3(9) - 1
= 27 - 1
= 26