Answer:
There are two possible answers to this question. if the demoninator has the three on the outside of the square root your answer is 2/3. If your demoninator has the three inside the square root your answer is [tex]\frac{2\sqrt{3} }{3}[/tex] or 1.15. Let me know if this helps!
What critical value of t* should be used for a 98% confidence interval for the population mean based on a random sample of 25 observations?
A. t* = 2.485
B. t* = 2.492
C. t* = 2.787
D. t* = 2.797
Using a t-distribution calculator, it is found that the critical value of t* for a 98% confidence interval with 25 observations is given by:
B. t* = 2.492
How to find the critical value of the t-distribution?It is found using a calculator, with two inputs, which are given by:
The confidence level.The number of degrees of freedom, which is one less than the sample size.In this problem, we have a confidence level of 98% and 25 - 1 = 24 df, hence the critical value is of t* = 2.492, which means that option B is correct.
More can be learned about the t-distribution at https://brainly.com/question/16162795
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A birdhouse and the pole that it is on cast a shadow 15 feet long. If a person standing nearby casts a shadow 5 feet long, and the person is 4 feet tall, how tall are the birdhouse and the pole? how do you put this in a ratio??
ASAP it has to be a full answer no decimals it can be a number, fraction or mixed fraction HELP PLEASE
Write 22/35 as a percent
Answer: 628571%.
Step-by-step explanation:
Need help asap pleaseeeeee
Write and equation to represent the function.
Input(x). 1. 2. 3. 4
Output(y). 8. 19. 30. 41
Answer:
[tex]y=11x-3[/tex]
Step-by-step explanation:
Given ordered pairs:
(1, 8) (2, 19) (3, 30) (4, 41)
As the y is directly proportional to x (y values increase +11 for every +1 increase for the x-values) then the equation will be linear.
Point-slope form of a linear equation: [tex]y-y_1=m(x-x_1)[/tex]
(where [tex]m[/tex] is the slope and [tex](x_1,y_1)[/tex] is a point on the line)
[tex]\textsf{slope }m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
Let:
[tex](x_1,y_1)=(1,8)[/tex][tex](x_1,y_2)=(2,19)[/tex][tex]\implies \textsf{slope }m=\dfrac{19-8}{2-1}=11[/tex]
Using point-slope equation with m = 11 and point (1, 8):
[tex]y-y_1=m(x-x_1)[/tex]
[tex]\implies y-8=11(x-1)[/tex]
[tex]\implies y=11x-3[/tex]
Help
This is really confusing
Step-by-step explanation:
The 53rd ball will be blue. I don't really know how to explain but I'll try.
So there are black, white and blue balls. If you look closer you'll see that the words 'black,white,blue,black, blue were repeated twice. So let's say that the first 5 letters are a set. To get the 50th color, all you have to do is 5 × 10 which is 50 and the 50th term is blue. Just add black(51st), white(52nd) and you'll get the 53rd color to be Blue.
I don't know how to do <2>.
Hope this helps!
Please mark me brainliest :)
If a number is divisible by 10, then its ones digit is 0
TRUE OR FALSE
Answer:
its true, depending on the times table.
Answer:
True
Step-by-step explanation:
This statement is always true.
The manager of a store increases the price of a popular product by 5%. Let y be the original price of the product. The new price is t + 0.05t. Find an expression equivalent to t + 0.05t. If the original price was $22.99, what is the new price?
Answer:
you will multiply the new price plus the original price
Use the elimination method to solve the system of equations. Choose the correct ordered pair.
6x+4y=32
-6x+4y=8
Answer Choices:
A) 0,8
B) 2,5
C) 1,5
D) 4,2
Answer:
B
Step-by-step explanation:
6x+4y=32
4y=8+6x
6x+8+6x=32
x=2
2×6+4y=32
12+4y=32
4y=20
y=5
An animal gained 2 pounds steadily over 10 years. What is the unit rate of pounds per year
Answer:
0.2
Step-by-step explanation:
2 divided by 10
Divide: 5 by 1 / 4
please
Answer:
20
Step-by-step explanation:
Make 5 a fraction which would be 5/1
Then make an expression, "5/1 / 1/4"
Then switch and flip meaning make the division sign a multiplication sign and make 1/4 into 4/1.
Your expression should look like 5/1 x 4/1
Then multiply 5 and 4 and you get 20. You do not need to write it as a fraction.
Mark brainliest please!
3x+2=2x +13 divided by 3
Hope this helps
Good luck
round these amounts to the nearest whole dollar.3.87cedis.9.28 cedis.11.05 cedis.4.39cedis
Answer: 4.00, 9.00, 11.00, 4.00
Step-by-step explanation:
When we round, we round from the digit one smaller than the one we're rounding to. In this case, since we're rounding to the dollar, we round from the 10th place. To round, we need to know whether the number we're rounding from is smaller than, equal to, or larger than 5. If the number is smaller than 5, we round down. Larger, and we round up. If the number is equal to 5, we also round up.
math!! vocabulary one which is the second box
Answer:
The answer is Arithmetic Sequence.
Hope this helped.
A brainliest is always appreciated.
Use the figure below to find angle PNO
Answer:
31 degrees
Step-by-step explanation:
A line has angle of 180 degrees.
So
[tex](2z+17)+(4z-23)=180\\6z-6=180\\6z=186\\z=31[/tex]
At Gulfport Electronics, Randy earns a monthly salary of $1500 plus a 5% commission of x, his total monthly sales. If his March earnings total $2500, write and solve an equation that could be used to determine his total monthly sales for the month of March
Answer:
His March Earnings is $20000
Step-by-step explanation:
Given
[tex]Salary = \$1500[/tex]
[tex]Commission = 5\%\ of\ sales[/tex]
[tex]March\ Earnings = \$2500[/tex]
Required
Determine the monthly sales
Represent the monthly sales with x
The march earnings can be determined using:
[tex]March\ Earnings = Salary + Commission[/tex]
[tex]March\ Earnings = Salary + 5\%\ of\ x[/tex]
Substitute values of March Earnings and Salary
[tex]2500 = 1500 + 5\% * x[/tex]
[tex]2500 = 1500 + 0.05 * x[/tex]
[tex]2500 = 1500 + 0.05x[/tex]
Solve for 0.05x
[tex]0.05x = 2500 - 1500[/tex]
[tex]0.05x = 1000[/tex]
Solve for x
[tex]x = 1000/0.05[/tex]
[tex]x = 20000[/tex]
Hence:
His March Earnings is $20000
Can someone please help me? :(
Answer:
12 edges, 6 faces, and 7 vertices.
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
I say 12 edges because there are 12 meeting points, and an open shape.
6 faces because there are 6 highlighted points on what looks like an unfolded shape.
8 vertices because you add 2 to the number of edges and subtract by the number of faces, 6.
Distribute to create an equivalent expression with the fewest symbols possible.
1/2(10x+20y+10z) =
[tex]\\ \rm\longmapsto 1/2(10x+20y+10z)[/tex]
a(b+c)=ab+ac[tex]\\ \rm\longmapsto 10x/2+20y/2+10z/2[/tex]
[tex]\\ \rm\longmapsto 5x+10y+5z[/tex]
Answer:
5x+10y+5z
Step-by-step explanation: it was on khan academy and it was right
what is the solution of the following equation? 2x-5+3x=35
2x - 5 + 3x = 35
simplify
5x - 5 = 35
add 5 to both sides
5x - 5 + 5 = 35 + 5
simplify
5x = 40
divide both sides by 5
5x/5 = 40/5
simplify
x = 8
1. Brother has 12 red blocks, 10 blue blocks, and 8 yellow blocks. What is the ratio of red blocks to yellow blocks?
[tex]ratio-of-red-blocks-to-yellow-blocks = \frac{number-of-red-blocks}{number-of-yellow-blocks} =\frac{12}{8} =\frac{3}{2}[/tex]
Answer: [tex]\frac{3}{2}[/tex] or 3 : 2
Hope it helps!
Answer:
3 : 2
Step-by-step explanation:
Which graph correctly solves the system of equations below? y = x2 + 3x + 4 y = x2 + 2x + 1 (1 point) Select one: a. two quadratic graphs opening up. They intersect at negative 3, 4. b. two quadratic graphs opening up. They intersect at 0, 3. c. two quadratic graphs opening down. They intersect at 0, 3. d. quadratic graph opening up and quadratic graph opening down. They intersect at 1, 4 and 0, 3. Clear my choice
Answer:
the answer is b b is the answer I did this before
36 (highest)POINTS PLS ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Which of the following is NOT a linear function?
Answer:
x^2 + 8 = 64 is not a linear function
Step-by-step explanation:
using the process of elimination and a graphing calculator, you can see that the rest of the functions give you a linear function. therefore, the answer is x^2 + 8 = 64 is not a linear function!! i hope this helps you!! <3
The [tex]x^2 + 8 = 64[/tex] is not the liner function.
The following information regarding the linear function is:
It is the function where the graph is in the straight line. The form in the linear function should be y = a + bx.In this, there is one dependent and one independent variable.Therefore we can conclude that the [tex]x^2 + 8 = 64[/tex] is not the liner function.
Learn more about the linear function here: brainly.com/question/20286983
Find the average distance in Thursday is round your answer to the nearest 10 if necessary 7,20,9,35,12,15,7,10,20,25
= (7+20+9+35+12+15+7+10+20+25) : 10
with 10 = number of values
average distance = 160 : 10 = 16
Please ANSWER NOW, PLEASE HELP , for math 50 points!!!
Find the area of each shaded sector. Round to the hundredths place
10. SR = 26m
Check the picture below.
[tex]\textit{area of a sector of a circle}\\\\ A=\cfrac{\pi \theta r^2}{360}~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ r=26\\ \theta =\stackrel{180+34}{214} \end{cases}\implies \begin{array}{llll} A=\cfrac{\pi (214)(26)^2}{360}\implies A=\cfrac{18083\pi }{45} \\\\\\ A \approx 1262.43 \end{array}[/tex]
Simplify the following expression.
(8x + 4) - (2x2 + 4x - 7)
Answer:
-2x^2 + 4x + 11
Step-by-step explanation:
whats 2x2 ? do you mean 2x^2 ? if so then...
8x + 4 - 2x^2 - 4x + 7
4x + 11 - 2x^2
-2x^2 + 4x + 11
Answer:
this is the answers 2x^2+4x+11
Lola bought 6 bracelets for $7.50 and 10 rings for $13.00. At the same time, Bella bought 8 bracelets and 7 rings. What is the total price for the items Bella bought?
Answer:$51.5
Step-by-step explanation:
Lucien can buy 1 lb of Colombian coffee beans for $4.25 you can buy one pound of French roast coffee beans for $3.75 if he buys one pound mixture of the two kinds of beans for $4 how much of each kind of coffee bean does he buy
Answer:
Colombian coffee bought = 0.5 lbs
French roast coffee beans bought = 0.5 lbs
Step-by-step explanation:
Let Colombian coffee bought = [tex]x[/tex] lbs
Total weight of mixture bought = 1 lbs
Therefore, French roast coffee beans bought = (1 - [tex]x[/tex]) lbs
Price of 1 lb Colombian coffee = $4.25
Price of [tex]x[/tex] lbs of Colombian coffee = $[tex]4.25x[/tex]
Price of 1 lb French roast coffee beans = $3.75
Price of (1 - [tex]x[/tex]) lbs French roast coffee beans = $3.75(1 - [tex]x[/tex])
It is given that total money spent is $4.
As per given statement:
[tex]4.25x+3.75(1-x)=4\\\Rightarrow 0.50x=0.25\\\Rightarrow x=\bold{0.5\ lbs}[/tex]
Colombian coffee bought = 0.5 lbs
French roast coffee beans bought = 0.5 lbs
141,204 dividido entre 82
Answer:
1722
Step-by-step explanation: