Answer:
8x+8???
Step-by-step explanation:
please help. solve for x. (i’ll give brainles if you help with all!
Answer:
Step-by-step explanation:
If I give you this helpful way to remember , can you solve these?
Use SOH CAH TOA to recall how the trig functions fit on a triangle
SOH: Sin(Ф)= Opp / Hyp
CAH: Cos(Ф)= Adj / Hyp
TOA: Tan(Ф) = Opp / Adj
or no?
I need help. NO links or I will report.
Answer:
30
Step-by-step explanation:
Well I think that this is a line, and so the angle is 180. The other line is 90 which is half of 180. It leaves 90 left. then all you have to do is solve the equation 3x=90 (x+2x=3, 9-9=0) 90 divided by 3 is 30.
With Company A, you can take a 2.25 hour helicopter ride for $ 270.
With Company B, you can take a 90-minute helicopter ride for $ 180.
Which of the two helicopter companies gives you the best ride for your money?
Answer:
B
Step-by-step explanation:
A company is testing a new protein shake which they claim works better than their existing brand in improving an athlete's performance. The company selected 60 athletes from a training camp database, and divided them into three groups. The ages for the groups were 16 to 20 years, 21 to 25 years, and 26 to 30 years. In each group, half of the subjects were asked to use the new protein shake for a month, and the other half were asked to use the company's existing brand for a month. The subjects were not informed about which protein shake they would be using. Which statements about this study are true? The study uses blocking to reduce variability from known factors. The study does not use a control group. The study uses random sampling. The study uses blocking on the basis of gender. The study uses a repeated measure design to reduce variability from unknown factors.
Answer:
The study uses random sampling
The study uses blocking to reduce variability from known factors
Step-by-step explanation:
Correct on Plato/Edmentum
Study uses blocking to reduce variability from know factor
and The study uses random sampling are the true statements
What is random sampling?Random sampling is a part of the sampling technique in which each sample has an equal probability of being chosen
Here study uses blocking to reduce variability from know factor
The study uses random sampling
Hence, study uses blocking to reduce variability from know factor
and The study uses random sampling are the true statements
Learn more about Random sampling here
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please help will mark brainliest
HELP
Frank is making lemonade. He uses 12 lemons he brought from home and 10 lemons he asked Heidi to bring. He bought 5 bags
of lemons from the grocery store. Each bag holds the same number of lemons and he uses all of these. He uses 72 lemons
altogether. Which equation models the number of lemons, there are in each bag?
A 12 + 10 + 5 = 72.c
B 12x + 10x + 5 = 72x
C 12 + 10 + 5x = 72
D 12x + 10x + 5x = 72
The graph shows the function y = 3x - 1. What are the coordinates of the intercepts?
Answer:
Answer down bellow!
Step-by-step explanation:
y-intercept:(0,-1)
Also, the slope is 3!
What are the zeros of this function?
Answer:
-4 and 1, which is (-4,0) and (1,0) in coordinate form
Step-by-step explanation:
the zeros are x-intercepts, and because its a quadratic, there are two x-intercepts, or zeros, so answer is -4 and 1
Zoe says an equilateral triangle is always an acute triangle, but an acute triangle is never an equilateral triangle. Which statement explains whether Zoe is correct or not?
Select one:
a. Zoe is not correct because equilateral triangles are acute triangles with three sides of equal length. Acute triangles can sometimes be equilateral triangles.
b. Zoe is not correct because equilateral triangles have three acute angles. Acute triangles have three acute angles, so acute triangles are always equilateral triangles.
c. Zoe is correct because equilateral triangles have three sides of equal length, and acute triangles have three sides of different lengths.
d. Zoe is correct because equilateral triangles have three acute angles. Acute triangles have one acute angle, so an acute triangle cannot be an equilateral triangle.
Answer:
D
Step-by-step explanation:
Zoe is correct because equilateral triangles have three acute angles. Acute triangles have one acute angle, so an acute triangle cannot be an equilateral triangle. Therefore, option D is the correct answer.
What is an acute angle?An acute angle is an angle that is less than 90°, and these angles can be measured using a protractor.
Triangles can be classified on the basis of angles and sides. An acute triangle is one that is classified on the basis of the measurement of angles. If all the interior angles of a triangle are less than 90°, then the triangle is said to be an acute triangle.
In equilateral triangle all three angles are equal, that is 60°.
Therefore, option D is the correct answer.
To learn more about the acute angle visit:
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math help pls i don’t understand how to solve this
===================================================
Explanation:
f(x) = x^3 - 2x + 3
f ' (x) = 3x^2 - 2 ..... apply the power rule
f ' (1) = 3(1)^2 - 2 ... plug in x coordinate of given point
f ' (1) = 1
If x = 1 is plugged into the derivative function, then we get the output 1. This means the slope of the tangent line at (1,2) is m = 1. It's just a coincidence that the x input value is the same as the slope m value.
Now apply point slope form to find the equation of the tangent line
y - y1 = m(x - x1)
y - 2 = 1(x - 1)
y - 2 = x - 1
y = x - 1 + 2
y = x + 1 is the equation of the tangent line.
The graph is shown below. I used GeoGebra to make the graph.
True or false? To begin an indirect proof, you assume the inverse of what you intend to prove is true
Answer:
True
Step-by-step explanation:
If the original price is $80 and u discount 20%, what’s the sale price?
80 x 0.2 = 16
80 - 16 = 64
Answer:
64$
Step-by-step explanation:
Help ASAP on a timer ⏱
Answer:
B: 395
Step-by-step explanation:
Answer:400
Step-by-step explanation:
I just need help in this last question plsssss
Answer:
B) 0.8
Step-by-step explanation:
If events are said to be independent, then just multiply the probability of the first event by the second if they are supposed to be happening together.
P (A) * P (B) = 0.8 x 1 = 0.8
Find the value of each variable 17/ 18
Answer:
A) B.R(-9)?
Step-by-step explanation:
Answer:
17 - 42
18 - 50
Step-by-step explanation:
17)
You know the total measurement of both angles is 180.
So your formula is (2x+54) + x = 180. Now rearrange to get
180 - (2x+54) = x or 180-2x+54 =x
Simply to -2x+126 = x followed by moving x and moving 126 to get
-3x = -126 , now divide both sides by -3
18)
Your complete circle is 360 and you know one angle is 90.
Set your formula to 360=90+(3x)+(x-20)+(2x-10)
Rewrite to 360 = 90+3x+x-20+2x-10 and combine like terms
360 = 90 - 20 - 10 + 3x + x+2x
360 = 60 + 6x
360 - 60 = 6x
300 = 6x
300/6 = x
50 = x
HElP NEED ANSWER FAST WILL GIVE BRAIN
Answer:
c
Step-by-step explanation:
match each trig function to a ratio. cos (A) =
Answer:
Cos A = x/z
Step-by-step explanation:
You need to memorize the definitions of all the trig functions and then these types of problems become easy! OK?
Cos = adjacent side/hypotenuse
Cos A = x/z
Help, I don’t know how to do this. Can someone please give me the answer
Answer:
x=45°
Hope this helps
...............................
Study the graph about immigration.
A bar graph titled Foreign-Born Population in the United States from 1850 to 2010. The x-axis is labeled Foreign-Born Population in millions from years 1850 to 2010. 1850 is 2.2. 1890 is 9.2. 1920 is 13.9. 1930 is 14.2. 1950 is 10.3. 1990 is 19.8. 2010 is 40.
Which type of bias is evident in the graph?
con
credible
neutral
pro
Answer:
C. Neutral
Step-by-step explanation:
I took the test and got it right :)
Answer:
Which type of bias is evident in the graph? The answer you are looking for is: Neutral.
Step-by-step explanation:
If you are using the time4learning program, this is the correct answer.
Write the equation of the line that has a slope of 3 and goes through (-2,5)
in point-slope form. *
Answer:
y = 3x + 1
Step-by-step explanation:
substitute the variables in y=mx+b
(5) = 3(-2) + b
5 = -6 + b
add 6 on each side
1 = b
PLZ THIS IS DUE BY TONIGHT!!--
Answer:
D. or 5/8, 0.625, 625%
Step-by-step explanation:
i dont feel like explaining it
How big is a piece of A4 paper?
Answer:
210 x 297 mm
Hope that this helps!
A video game rental store charges a $20 membership fee plus $2 for each game rented. Click to show whether each statement is true or false. True False The slope of function 2 is greater than the slope of function 1 and less than the slope of function 3 The slope of function 1 is 4 times the slope of function 3. The y-intercept of function 2 is less than the y-intercept of functions 1 and 3. The y-intercept of function 2 is greater than the y-intercept of function 3.
Answer:
the member ship gay
Step-by-step explanation:
m8 m88m8m88m8m88m
Can someone help I don’t understand
Answer:
8 hr
Step-by-step explanation:
8hr
hope this helps you!
PLS ILL MARK BRAINLIEST (100 points)
Answer:
For part A:
9x² - 36x + 36 = 0
9(x² - 4x + 4) = 0
9(x-2)(x-2) = 0
Radicand = Discriminant = 36² - 4(9)(36) = 0
there is 1 real zero that repeats itself)
zero is x=2.
Use factoring. Factors of 7 are 1 and 7
2x²-9x+7 = 0
(2x-7)(x-1) = 0
2x-7 = 0 (x-1)=0
2x = 7x=1
x = 7/2
Your solutions are x = 1 and x = 7/2
Step-by-step explanation:
question 9
9. Given ABCD
EFGH, find the length of GH.
A. 8
B. 7
C. 5
D. 10
Find the volume of a right circular cone that has a height of 5.2 m and a base with a
radius of 15. 3 m. Round your answer to the nearest tenth of a cubie meter.
Answer:
1274.7 cubic meters
Step-by-step explanation:
Because the equation to find volume of a cone is V = πr²(h/3), you would have to plug in your values which are h = 5.2m, and r = 15.3m. Once you do the math you will get 1274.72 cubic meters, or 1274.7 when rounded to the nearest tenth.
Help...Emergency...No links or i will report
11395
45,580 ÷ 4 = 11395
Answer:
D / $1,823
Step-by-step explanation:
take the $45,580 and divide it by the 4% (0.04)
NAME THIS FIGURE (multiple choice)m
Answer:
D.... pentagonal prism
Step-by-step explanation:
Solve for r.
5(r - 10) = -51
Enter the answer in the box.
Answer:
r = -1/5
Step-by-step explanation:
5(r - 10) = -51
Distribute
5r - 50 = -51
Add 50 to each side
5r-50+50 = -51+50
5r = -1
Divide each side by 5
5r/5 = -1/5
r = -1/5