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PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL

Answers

Answer 1

Answer:

V=πr2h

3=π·102·7

3≈733.03829

Step-by-step explanation:


Related Questions

The ordered pair (0,-6) would be located on which axis?

Answers

Answer:

0 on the x axis and -6 on the y axis i think

Answer:

It would be located on the Y-axis

Step-by-step explanation:

If you plot 0,-6 on a graph, you start on the origin since the x-axis is 0, and for the -6, you go DOWN 6 units, which is on the Y-axis. Therefore, the answer the y-axis.

Find the volume in cubic inches
H-12 in.
L-8 in.
W-5in.

Answers

Answer:

480[tex]in^3[/tex]

Step-by-step explanation:

Volume of a Rectangular Prism = L x W x H

12 x 8 x 5 = 96 x 5 = 480

480 in^3

ASAP pls it’s due tomorrow

Answers

Answer:

D I think, that's the only one that makes since.

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Opposite sides of a rectangle are equal and Parallel

Carmine reads an article that says that male college students study less than female college students. Carmine wonders if this is really so. He asks 20 randomly selected students – 10 males and 10 females – from his coed dorm to record their study times for a period of 4 weeks. Here are the students’ average weekly study times, to the nearest half-hour:
Male Female
13.5 15.5
6.5 10.0
8.0 10.5
14.5 7.0
12.5 13.0
16.0 12.5
12.0 11.0
9.5 8.5
7.0 8.0
11.5 13.0
a. Is the research hypothesis in this study directional or nondirectional?
b. State the research hypothesis.
c. Calculate t and compare it with the tabled critical t at the .05 ? level. Can you reject the null hypothesis?
d. Do you think these samples are representative of all college males and females? To what populations can Carmine rightfully infer the results?

Answers

Answer:

hiiiiiiiiiiiiiiiiiii

thisworldthesedays.com

Tino can finish a painting job in 2 hours. Dev can finish the same job in 8 hours. How
long will it take Tino and Dev to finish the job if they work together?

Answers

Answer:

5 hours

Step-by-step explanation:

First of all Dev is a lazy slacker if you ask me but alright. (8 hours to do the same project it takes Tino to do in 2 hours? what?)

But in all seriousness, lets go and solve this problemo:

because it will take half the amount of time with two people you must first add 8 and two to get 10 which you divide by 2 to get 5.

I hope I am correct, my scincerest apologies if not, have a great day.

Answer:

1.6 hours

Step-by-step explanation:

first lets go over what we know...

In total Tito will finish in 2 hoursDev will finish in a whopping 8 hours.

Then, we should think about how much work they can each do in 1 hour...

Tito will do 1/2 of the workDev will do 1/8

Now, we have to think about it in terms of x

Tito will do x/2 of the workDev will do x/8

(do you see the pattern yet?)

Now we write an equation using x... it will look like this...

x/2 + x/8 = 1

(the one stands for 1 hour)

Find the common denominator (8) and multiply...

4x/8 + x/8 = 4x+x / 8 = 5x/8

Now we do 5x/8 = 1...

5x/8 = 1 ---> 5x/8 * 8 (to get rid of fraction) = 1*8 (we have to what we do to one side to the other remember that!!) ---> 5x = 8 ---> (divide both by the number of x's) 5x/5=x and 8/5 = well.. 8/5.

NOW FINALLY... WE HAVE OUR ANSWER!!! x= 8/5 = 1 3/5= 1.6 (hours)

ynnette saves $45 per week. If she saves 5/8 of her weekly income, how much does she earn per week?

Answers

Answer:

Her weekly income is $72.

Hope this helps

NEED HELP ASAP WILL GIVE BRAINLIEST REAL ANSWERS PLZ

Answers

Answer:

Step-by-step explanation:

Choice A

Log 10 = 1.

So A is actually right, although it does not look it.

log(20 * x^5 ) - 1   is correct.

Choice B

Log(x^5 * 20 / 10)

log(2 x^5)  

Choice B is also correct

Choice C is not correct, or if it is, I don't know how to get it. You need the 20 in there somewhere.

No! Dis not correct. The 2 is not raised to the 5th power.

And E is not correct.  I'm not sure how they got it. Even + 1 is not correct. It should be -1 if that is how it is to be done.

Can someone help me pls

Answers

Answer:

Step-by-step explanation:

[tex]\frac{1}{2}b^{2} - 6[/tex]

[tex]\frac{1}{2}(4)^{2} - 6[/tex]

[tex]\frac{1}{2} * 16 - 6[/tex]

[tex]8 - 6[/tex]

[tex]2[/tex]

Answer:

2

Step-by-step explanation:

Plug in the value:

1/2 b² – 6

1/2 (4)² – 6

Use order of operations (PEMDAS):

There are no parentheses:

Do exponent:

1/2 (16) – 6

Then multiplication and division in the order that they come in:

8 – 6

Then addition and subtraction in the order that they come in:

2

\large -6x+6y=6
\large 6x+3y=12

Answers

Answer:

the solution of the system is:

x = 1 and y = 2.

Step-by-step explanation:

I suppose that we want to solve the equation:

-6*x + 6*y = 6

6*x + 3*y = 12

To solve this, we first need to isolate one of the variables in one of the equations.

Let's isolate y in the first equation:

6*y = 6 + 6*x

y = (6 + 6*x)/6

y = 6/6 + (6*x)/6

y = 1 + x

Now we can replace this in the other equation:

6*x + 3*(1 + x) = 12

6*x + 3 + 3*x = 12

9*x + 3 = 12

9*x = 12 - 3 = 9

x = 9/9 = 1

Now that we know that x = 1, we can replace this in the equation "y = 1 + x" to find the value of y.

y = 1 + (1)  = 2

Then the solution of the system is:

x = 1 and y = 2.

choose the correct answer.​

Answers

Answer:

1) D: none of them

2) C: ae^(ax)

3) A: cot x

4) A: (3,0)

Step-by-step explanation:

1) the degree of the denominator is more than that of the numerator, thus as n approaches infinity, the function would approach zero. The answer is not available among the options

2) y = e^(ax)

dy/dx = ae^(ax)

3) y = log(sin x)

dy/dx = (1/sin x) × d(sin x)/dx

dy/dx = cosx/sin x

dy/dx = 1/(sin x/cos x)

We know from trigonometry that sin x/cos x = tan x. Thus

dy/dx = 1/tan x

dy/dx = cot x

4) An inflection point is usually the point where the second derivative is equal to zero.

f(x) = x³ - 9x²

f'(x) = 3x² - 18x

f"(x) = 6x - 18

Equating to zero gives;

6x - 18 = 0

x = 18/6

x = 3

Thus the inflection point is (3,0)

I need help quick please​

Answers

Answer:

I think it is B So sorry if it not

Step-by-step explanation:

Good Luck!

You roll a die and then flip a coin. What is the
probability, as a percent, of getting an even
number on the die and then a head on the
coin?

Answers

Answer:

1/2

Step-by-step explanation:

If you need an explanation then let me know in the comments

Answer:

25%

Step-by-step explanation:

You have a 1/2 chance of getting an even number and a 1/2 chance of getting heads, so you multiply these fractions together and get 1/4, which is equal to 25%

Find the equation of the line.
Use exact numbers.
y=[ ]x+[ ]

Answers

Answer:

y = -3x + 7

Step-by-step explanation:

Points on the graph: (0, 7) and (3, -2)

Slope:

m=(y2-y1)/(x2-x1)

m=(-2-7)/(3-0)

m=(-9)/3

m = -3

Slope-intercept:

y - y1 = m(x - x1)

y - 7 = -3(x - 0)

y - 7 = -3x

y = -3x + 7

» How many thirds are in a whole slice of toast?




Answers

Well if 3 is a choice then that. 3 pieces of 1/3 is a whole or 1.

Answer:

There's going to be 3 thirds in one whole sandwich. Hope this helps

Step-by-step explanation:

Find the H+ concentration of of a solution that has a pH solution of 12.24

Answers

Answer:

[tex]4.83\times 10^{-6}[/tex]

Step-by-step explanation:

Given that,

The pH of the solution = 12.24

We need to find the H⁺ concentration of the solution. We know that,

[tex]pH=-log[H^+][/tex]

Put pH = 12.24

So,

[tex]12.24=-log[H^+]\\\\\[H^+]=4.83\times 10^{-6}[/tex]

So, the concentration of H+ is [tex]4.83\times 10^{-6}[/tex].

Nancy bought a vase as wedding gift .The cost excluding vat was R250.How much must she pay with VAT inclusive

Answers

Step-by-step explanation:

VAT = 250*15%

VAT = 250*15/100

VAT = 37.5 therefore

total price add VAT =250+37.5

=287.5

please help me with the i-ready

Answers

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: Graph 3

Explanation: Only one that satisfies both patterns

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Graph 3 hope to is helps

Help pls!!!! Pls explain how you got the answer if you can!!! Have a blessed day
Also if you don’t know the exact answer answer and comments. And pls don’t waste my points this assignment is very important.

Answers

Answer:

B. 0, 1, 2, 3

Step-by-step explanation:

If n were to be 4, the expression would then be incorrect because 36 is not greater than itself. However, if n was 0, 1, 2, or 3, each value would be less than 36, which is what we are looking for.

36 > 9n

36 > 9(0)

36 > 0

Correct!

36 > 9n

36 > 9(1)

36 > 9

Correct!

36 > 9n

36 > 9(2)

36 > 18

Correct!

36 > 9n

36 > 9(3)

36 > 27

Correct!

36 > 9n

36 > 9(4)

36 > 36

Incorrect! This expression would only be correct if the sign was representative of greater than or equal to, rather than just equal to.

I hope this made sense! Have an amazing day. :)

The following are the last 10 run scores Colin got in cricket:
18, 25, 28, 15, 6, 18, 2, 4, 25, 15
a) Work out Colin's mean score.
b) Colin plays cricket again on Sunday. He gets 31 runs.
What is his new mean score?
Give your answers as decimals.

Answers

a) mean score = (18+25+28+15+6+18+2+4+25+15)/10
= 15.6 runs
Approximately 16 runs
b) (18+25+28+15+6+18+2+4+25+15+31)/11
= 17 runs

Identifying partial, strict, and total orders.
For each relation, indicate whether the relation is a partial order, a strict order, or neither. If the relation is a partial or strict order, indicate whether the relation is also a total order. Justify your answers.
(i) The domain is the set of all runners in a race. x is related to y if x beat y in the race. At least two runners in the race tied.
(j) S = {a, b, c, d}. The domain is P(S), the power set of S. For X, Y that are subsets of S, X is related to Y if |X| ≤ |Y|.
(k) S = {a, b, c, d}. The domain is P(S), the power set of S. For X, Y that are subsets of S, X is related to Y if |X| < |Y|.

Answers

Answer:

Step-by-step explanation:

From the given information:

(i)

The domain includes all runners in a race.

x is "R" y if x beats y

clearly, x "R" x implies no meaning and sense ⇒ irreflexiveIf x "R" y ⇒ y does not beat x. Thus; asymmetricIf x "R' y and y "R" Z ⇒ Transitive.

Now, in a race; either x beats y or y beats x

So, x"R"y or y "R" x, but here at least two runners tied.

Thus, the relation is not in total order as x"R"y or y"R"x may not happen.

(j)

S = {a,b,c,d}

The domain = Power set of S

x"R"y if |X| ≤ |Y|

clearly |X| ≤ |X|  ⇒ reflexive[tex]If \ |X| \le |Y| \ and \ |Y| \le |X|[/tex] ⇒ |X|=|Y| ⇒ Antisymmetric[tex]If |X| \ \le \ |Y| \ and \ |Y| \ \le \ |Z|[/tex] ⇒ |X| ≤ |Z| ⇒ Transitive

Thus, the relation is a partial order.

(k)

S = {a,b,c,d}

The domain = Power set of S

x"R"y if |X| ≤ |Y|

clearly |X| < |X|  ⇒ Irreflexive[tex]\text{If } |X| < |Y| \ and \ |Y| < |X|} \implies Antisymmetric[/tex][tex]|X| < |Y| \ and \ |Y| < |Z| \implies |X| < |Z|[/tex] ⇒ TransitiveThus, the relation is of strict order but not of the total order.

What would be my first step? 3 + 4 x 6 - 4 =

WILL GIVE BRANLIEST!!!!

Answers

Answer:

The first step would be to multiply 4 by 6

Step-by-step explanation:

4*6 = 24

24 + 3 = 27

27 - 4 = 23

The diameter of a cylindrical water tank is 10 ft, and its height is 9 ft. What is the volume of the tank?
Use the value 3.14 for w, and round your answer to the nearest whole number.
Be sure to include the correct unit in your answer.

Answers

Answer:

225w

Step-by-step explanation:

volume formula: w*r²*9

w*5²*9

25*9w

225w

Answer: V=707

Step-by-step explanation:

Nevaeh’s bag contains 2 red marbles, 3 blue marbles, and 5 green marbles. Nevaeh randomly selects a marble from the bag, records the color, and then puts the marble back in the bag. If she does this 150 times, how many times would she expect to select blue?

A 10 times

B 30 times

C 45 times

D 75 times

Answers

Answer:

30

Step-by-step explanation:

Answer:

10

Step-by-step explanation:

mark me brainlest

A tent in the shape of a triangular prism is made using the following piece of fabric. Find the surface area of the fabric. Show your work!

Answer

Answers

Answer:

Surface area = 85.84 ft²

Step-by-step explanation:

Considering the fact that large rectangle  area = 6 x 12 = 72 ft²

Also, the two triangles area => 2(0.5 * base * height) = 2(4 x 3.46 x 0.5) = 13.84 ft²

Hence, the total surface area is

72 + 13.84 = 85.84 ft²

Therefore, the surface area of the fabric is 85.84ft²

Answer:

Step-by-step explanation:

other guy or girl is right!

Help plz:)))I’ll mark u Brainliest !

Answers

Answer:

The rectangle

Step-by-step explanation:

A square has 4 equal sides so it would be 20/4 it would look like 5x5x5x5

A rectangle is going to have 6x6x4x4

A sociologist will conduct a two-sample tt-test for a difference in means to investigate whether there is a significant difference, on average, between the salaries of people with bachelorâs degrees and people with masterâs degrees. From a random sample of 32 people with a bachelorâs degree, the average salary was $55,000 with standard deviation $3,500. From a random sample of 28 people with a masterâs degree, the average salary was $58,000 with a standard deviation of $4,000. With a null hypothesis of no difference in the means, what is the test statistic for the appropriate test to investigate whether there is a difference in population means (masterâs degree minus bachelorâs degree)?

Answers

Answer:

1) H0: μ₁=μ₂ against the claim Ha: μ₁ ≠μ₂

2)The test statistic is

t= x1`-x2`/ Sp √ ( 1/n₁ + 1/n₂)

where

Sp=  s₁² ( n1-1) + s₂²(n2-1) /(n1-1) + (n2-1)

3) D.f= n1+n2-2= 32+28-2= 58

Step-by-step explanation:

The null hypothesis is that there is no  difference in population means (masterâs degree minus bachelorâs degree)

The claim is that there there is a difference in population means (masterâs degree minus bachelorâs degree)

1) H0: μ₁=μ₂ against the claim Ha: μ₁ ≠μ₂

2)The test statistic is

t= x1`-x2`/ Sp √ ( 1/n₁ + 1/n₂)

where

Sp=  s₁² ( n1-1) + s₂²(n2-1) /(n1-1) + (n2-1)

Putting the values

Sp= 12,250,000( 31)  + 16,000,000(27)/ 31+27

Sp=  379,750,000- 432,000,000/58

Sp= -52,250,000/58

Sp= -900,862.1

Now Putting the values in the t- test

t= x1`-x2`/ Sp √ ( 1/n₁ + 1/n₂)

t= 55,000- 58,000/ -900,862.1 √1/32+ 1/28)

t= -3000/ -233,120.21

t= 0.012868

3) D.f= n1+n2-2= 32+28-2= 58

for 2 tailed test the critical value of t is obtained by

t≥ t∝/2 ( d.f)=t≥ t0.025 (58)= ± 2.0017

4) Since the calculated value of t=  0.012868 does not fall in the critical region t≥ t∝/2 ( d.f)= ± 2.0017 we conclude that H0 is true and accept the null hypothesis.

What is 5 x 4 - 16 + 5 x 10 - 10 = ?

Answers

Answer:

44

Step-by-step explanation:

Refer to PEMDAS.

5 x 4 = 20

5 x 10 = 50

20 - 16 = 4

4 + 50 = 54

54 - 10 = 44

Name the following sides of the triangle

Answers

The first one is BC
The second one is AB

What percent of 80 is 32?

Answers

Answer:

32 is 40% of 80

Step-by-step explanation:

Good Luck

may you solve this for me?

Answers

Answer: 135 m

Step-by-step explanation: In order to find the area, you should split the shapes in 2. The 2 shapes are a trapezoid and a rectangle. To find the area of the rectangle, you need to multiply the length and width, which is 18 * 5, which is 90. For the trapezoid, you need to add the top and bottom part of the trapezoid, which is 12 + 18, then multiply it by the height divided by 2. The height is 3 because the total height is 8 and some of the height is 5, so the remaining height is 3, which is the trapezoid's height. Then, divide 3 by 2, which is 1.5. Then multiply 1.5(12+18), which is 45. Add the area of both shapes together, 45 + 90, and it is 135.

:)

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