A student was asked to find the volume of the solid where the
inner cylinder is hollow. She incorrectly said the volume is
954.56 in.3. Find the volume of the solid. Use 3.14 for 1. What
mistake might the student have made?

[tex] {y}^{2} = 49[/tex]

Move the square to the right-hand side and convert it to underoot

[tex]y = \sqrt{49} [/tex]

Calculate the root of 49

[tex]y = 7 \:or -7[/tex]

Answer:

y = +7 or -7

Step-by-step explanation:

y^2 = 49

square rooting both sides

y = √49

y = +7 or -7

Answer:

A) $209,619

Step-by-step explanation:

y = 1.55x + 110,419

y = 1.55(64,000) + 110,419

y = 99,200 + 110,419

y = 209,619

Answer:

y = 1.55x + 110,419

y = 1.55 (64,000) + 110,419

y = 99,220 + 110,419

y = 209,619

Step-by-step explanation:

1. using point-slope formula:

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

(-8-7)/(1-(-2))=

-15/3=

-5

The slope is -5

The equations will be:

y-7=-5(x+2)=

Given :

To Find :

Solution :

Let us suppose ,

→ CP = Rs x

Therefore the profit will be ,

→ Profit = SP - CP

→ Profit = 208 - x

Now we know that ,

→ Profit% = profit/CP * 100

Substituting the respective values ,

→ 4 = (208-x)/x * 100

→ 4 * x = (208- x)*100

→ 4x = 20800 - 100x

→ 100x + 4x = 20800

→ 104x = 20800

→ x = 20800/104

→ x = 200

Hence the cost price is Rs 200.

I hope this helps.

Refer to the attachment!

Answer:

go down 6 units

go left 3 units

Step-by-step explanation:

+3 inside the absolute value bar means go left

-6 mean moving down

Answer:

24 units

Step-by-step explanation:

Note that BC is one side of the square. (Vertices are in order ABCD)

So, as a square has four equal sides, the perimeter is 4 times the length of BC.

We're given B is at (-2, 5) and C is at (4, 5). So, BC = 6 units.

So, the perimeter of ABCD is 6 * 4 = 24 units.

Answer:

252

Step-by-step explanation:

I'm assuming the people are different, so it should be 10 choose 5, or 10!/(5!)(10-5)!, which leads to 3628800/14400, or 252.

Answer:

LCM= 56

Step-by-step explanation:

Multiplies of 8- 8, 16, 24, 32, 40, 48, 56, 64, 72

Multiplies of 28- 28, 56, 84, 112

Then, you look at the numbers that are the same in both. In some cases, there will be more than one that shows up (but not in this case) and all you have to do is find the least common multiple or LCM.

Answer:

choice a

Step-by-step explanation:

angle 45 means, its a isosceles triangle.

so y = √3

x^2 = 3+3= 6

x = √6

Answer:

no no no yes

Step-by-step explanation:

i got it on my test and i was correct

Answer:

Large bottle

Step-by-step explanation:

£1.92-£1.26

£0.66

Answer:

2 : 5

7

56/7 = 8

8x2= 16

8x5=40

40 + 16 = 56

Basel get $40.00

Answer:

Step-by-step explanation:

log(7)6+log(7)2^3

log(7)6+log(7)8

log(7)(8*6)

log(7)48 = > D is the correct answer.

Answer:

v=16w

Step-by-step explanation:

v=16w

8=16(1/2)

8=8✔

Answer:

the diameter is 14cm

Step-by-step explanation:

to get the circumference of a circle you would need to times the diameter (d) by pi or in this case n which is 3.1

this result is 43.4cm

now to figure out the diameter we would have to reverse this so the equation would be

d=43.4/n

which is the same as d= 43.4/3.1

the result of this is d= 14

so the diameter is 14cm.

deserving of brainliest?

The percentage of items that can be recycled is 12%

Answer:

The top one!

Step-by-step explanation:

From this picture that I sent, you can see that the red line would be solid because it is less than or greater than, which the blue one isn't solid because it is just greater than.  I felt like it would've been easier to explain it with an image than with words.

Answer:

1. 6 pounds and 0 ounces

2. 344 minutes

3. 5.25 gallons

4. 504 hours

Step-by-step explanation:

1. 1 pound is equal to 16 ounces so you will divide 96 by 16 and you should get 6.

2. There are 60 minutes in a hour so you will multiply 5 by 60 to get 300 and 44 to 300 to get 344 minutes.

3. There are 16 cups in a gallon so you will divide 84 by 16 to get 5.25.

4. There are 24 hours in and 21 days in 3 weeks so you will multiply 24 times 21 and you will get 504.

Hope this helps!

Answer:

D

product of 4 and n is the same as 4× n

and it is equal to 4n

Answer:

225

Step-by-step explanation:

Answer:

1 : 3, 3 : 9, and 6 : 18

Step-by-step explanation:

Slope Intercept Form Calculator: Greater Than

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Chemical Calculator: Error Function Calculation

Answer:

1 : 3, 2 : 6, and 3 : 9

Step-by-step explanation:

In the fraction 5/15, 5 is equivalent to one-third of 15. That means we need ratios with the second number being  3 times greater than the first. For example, 3 is 3  times greater than one, 6 is 3  times greater than 2, and 9 is  3  times greater than 3.

3. ∠1+∠2=180° and ∠2+∠3=180°

4. they are supplementary

5. ∠1+∠2=180°=∠2+∠3

6. ∠1+∠2=180°=∠2+∠3

∠2 are same in both side so ∠1=180°-∠2 =∠3=180°-∠2

7.

Answer:

a) n = 4 , t = ?

[tex]t = 5 {n}^{2} + 15 \\ \\ t = 5 {(4)}^{2} + 15 \\ \\ t = 5(16) + 15 \\ \\ t = 80 + 15 \\ \\ t = 95 \: min[/tex]

__o__o__

b) n = ? ,

t = 2hours 20mins ––> t = (2× 60) mins + 20 mins

t = 120 + 20 = 140 mins

so; time in the mins = 140 mins

[tex]t = 5 {n}^{2} + 15 \\ \\ 140 = 5 {n}^{2} + 15 \\ \\ 5 {n}^{2} = 140 - 15 \\ \\ 5 {n}^{2} = 125 \\ \\ {n}^{2} = \frac{125}{5} \\ \\ {n}^{2} = 25 \\ \\ n = 5[/tex]

so ; five people in 2hours 20mins

Answer: 17

Step-by-step explanation:

B/c corresponding parts of congruent figures are congruent,

4s = 68

s = 17

Answer:

17

Step-by-step explanation:

C = R

4s = 68

[tex]s = \frac{68}{4} [/tex]

s = 17

The number of workers that drink at least one of coca-cola and fanta is = 30.

The total number of workers under survey = 200

The number of workers that drink only coca cola = 130 - X

The number of workers that drink fanta = 100 - X

The number of workers that drank at least one drink = X

To calculate for x;

130 - X + X + 100 - X = 200

Being like terms together,

-X = 200 - 130 -100

-X = 200 - 230

-X = - 30

X = 30

Therefore, the number of workers that drink at least one of coca-cola and fanta is = 30

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The number of people on the email list after so many cycles is given by y = 5x.

A linear equation is in the form

y = mx + b

where y, x are variables, m is the rate of change and b is the y intercept.

Let y represent the number of people on the email list after x cycles. Hence, it is given by:

y = 5x

The number of people on the email list after so many cycles is given by y = 5x.

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