Mathematics High School

PLEASE HELP DUE AT MIDNIGHT!!!!
#3

PLEASE HELP DUE AT MIDNIGHT!!!!#3

Answers

Answer 1

Answer:

2787.6 (rounded to nearest tenth)

Step-by-step explanation:

The formula for the volume of a hemisphere is [tex]\frac{2}{3}[/tex] × [tex]\pi[/tex] × r³ where r is the radius of the hemisphere. You can apply the formula to answer the question.

Volume =  [tex]\frac{2}{3}[/tex] × [tex]\pi[/tex] × 11³

             = 887[tex]\frac{1}{3}[/tex][tex]\pi[/tex]

             = 2787.6 (rounded to nearest tenth)

Answer 2

Answer:

2878.6!!!!!

Step-by-step explanation:

the volume with the radius of 11 inches so it would be 2878.6n

Related Questions

During a football game, the ball is placed 20 yards 2 feet from the goal line. How many feet from the goal line is the football?

Answers

Answer:

62 feet

Step-by-step explanation:

During a football game, the ball is placed 20 yards 2 feet from the goal line. How many feet from the goal line is the football?

Step 1

We convert 20 yards to feet

1 yard = 3 feet

20 yards = x feet

Cross Multiply

1 yard × x feet = 20 yards × 3 feet

x feet = 20 yards × 3 feet/1 yard

x feet = 60 feet

Step 2

How many feet from the goal line is the football?

This is calculated as:

20 yards 2 feet =

60 feet + 2 feet = 62 feet

Therefore, the football is 62 feet from the goal line

Find the VOLUME of the rectangular prism below.
Volume =
cubic cm
21 cm
12 cm
38 cm

Answers

The answer is 2x2+5x-18. I know this is right because i passed my Algebra 2 class with a 98.

What is 1 plus 1
~IMPOSSIBLE~

Answers

Answer:

9

Step-by-step explanation:

1 + 1 = 9 100% verified

Johan can drive 270 miles on 9 gallons of gas. What is his average mileage?

Answers

Hey there!

The correct answer is 30 miles per gallon.

If he can drive 270 miles on 9 gallons, we want to find the unit rate, or miles per gallon. We can do this by dividing 270 by 9. To make it easier, we will take off the zero, and do 27/9, which is 3. Now we add the 0 back on, which gives us 30. Therefore, his average mileage is 30 miles per gallon.

Have a terrificly amazing day! :D

Answer:

30 miles per gallon

Step-by-step explanation:

1. 30 miles per gallon since 360/12 = 30

2. 270 / 9 = 30

pls help! right answer = gets brainiest

Answers

Answer:

2,4 because they are hitting each other at that point

Answer:

D

Step-by-step explanation:

The solution is where the the red and blue line intersect.

Barbara wants to buy some glittery heart-shaped beads to make friendship bracelets. The beads she wants come in a small pack with 90 beads or a large pack with 300 beads. The small pack costs $3.60, while the large pack costs $9.00. Which pack is the better value? small pack ll large pack

Answers

Answer:

The large pack is a better deal!

Step-by-step explanation:

so first we need to figure out how much the individual beads cost.

Small pack: $ 3.60÷90 = 0.04 cents per bead

Large pack: $9.00 ÷ 300 = 0.03 cents per bead

Hope this helps!!

Have a great day!!

The product of x and 6 is less than or equal to 24.

Answers

Answer:

x= 4 or <

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

Leon created a scale drawing of the school library in his art class. In the scale drawing, the length of the library is 7 inches. The length of the actual library is 56 feet.


Which scale did Leon use to create the scale drawing of the school library?

8 inches represents 1 feet

1 inch represents 8 feet

7 inches represents 1 foot

1 inch represents 7 feet

Answers

1 inch represents 8 feet

A right square prism has a volume of 220 cubic meters. The prism is enlarged so its height is increased by a factor of 10, but the other dimensions do not change. What is the new volume?
A. 2200m³
B. 1450m³
C. 1200m³
D. 1580m³

Answers

B. Is the correct answer

Answer:

B.

Step-by-step explanation:

your welcome

WILL MARK BRAINLIEST!!!

Answers

Answer:

The last one.

Step-by-step explanation:

If you can't see or there's something you don't understand you can ask:) Good luck and I hope it helps.

PLSSS HELPPP ASPPPPPPPPPP

Answers

Answer:

question 2: exponential, question 3 is linear, also there is a site called desmos and that has a scientific calculatior and graphing calculator, the graphing calculator can help you with questions like these, all you have to do is put the points

Suppose you want to put trim around the floor of a rectangular room.
The room is 7 by 11 feet. If a foot of trim costs $6, how much will the
trim cost altogether?

Answers

Answer: $108
Explanation: 7x6 = $42 + 11x6 = $66
It would be 4 sides not 2.
7+7 = 14
11+11 = 22
14 x 6 = 84
22 x 6 = 132
132 + 84 = 216
The trim costs $216

Guys do not trust this account it gives you a virus

Answers

People replying with those links are so annoying

yeah he tried to get me to the link, it flagged it before I even got to the site

What is the greatest possible value for STATS in the cryptarithm shown here given that V = 1? [Different letters represent different digits, and no leading digit can equal 0.] ROTOR + LEVEL ----------- STATS

Answers

Answer:

HI!

Step-by-step explanation:

HOLA

Monthly grocery cost based on the average number of shopping trips is predicted using the least-square regression line, ŷ = 275.3 + 90.7x, where ŷ represents the predicted monthly expense and x represents the average number of trips. A shopper visits the grocery store an average of 3.2 times and has a monthly cost of $520. What is the residual for the shopper?

45.54
76.47
−45.54
−76.47
90.7

Answers

Answer:

−45.54

Step-by-step explanation:

Just took the test

The residual for the shopper will be equal to -45.54. Hence, option C is correct.

What is an equation?

Mathematical expressions with two algebraic symbols on either side of the equal (=) sign are called equations.

This relationship is illustrated by the left and right expressions being equal. The left-hand side equals the right-hand side is a basic, straightforward equation.

As per the given data provided in the question,

The given equation is,

y = 275.3 + 90.7 x

Here, x is the number of trips and y is the total monthly expense.

Then,

Shopper monthly cost = $520

Number of visits by the shopper in a month = 3.2

So, the residual for the shopper will be,

$520 = 275.3 + 90.7 (3.2)

$520 = 275.3 + 290.24

= -45.54

To know more about equation:

https://brainly.com/question/29657983

#SPJ2

I need help with this one please

Answers

Answer:

plot $30 on the line above one and plot $50 on the line above two and keep doing the same thing

Step-by-step explanation:

Plot the data first using the results above, so u can draw the line,

Then u can answer the questions, if the line goes through all the points its proportional, vice versa

Can someone please help me????

Answers

i think that it is the last one
It’s the last one if I’m being correct

Which could be the measures of the interior angles of a triangle?

A. 50°, 45°, 45°

B. 60°, 60°, 60°

C. 70°, 70°, 70°

D. 80°, 55°, 25°

Answers

Answer:

B. 60°, 60°, 60°

Step-by-step explanation:

All triangle angles add up to 180

A) NOPE

50 + 45 + 45 = 140

B) YUP

60 + 60 + 60 = 180

C) NOPE

70 + 70 + 70 = 210

D) NOPE

80 + 55 + 25 = 160

What percent is 72 out of 120?

Answers

The answer is 60% I hope this helps

Eh so im confused on this question ill give brainliest.

Answers

Answer:

the perimeter is 28 and the area is 49

Step-by-step explanation:

a square has equals sides and i counted seven on each side for the perimeter. you multiply seven by seven to find the area

Answer: this is a square with 7 units on each side

Area = 7^2 = 49 units^2

Perimeter = 7 x 4 = 28 units

Step-by-step explanation:

Brainliest plz

NEED HELP ASAP!!

It takes Jada 1 1/2 to mow her lawn. It takes Kam half as long to mow his lawn. How long does it take Kam to mow his lawn?

A. 1/2

B. 3/4

C. 1 hour

D. 3 hours​

Answers

Answer:

b

Step-by-step explanation:

The answer would be B. 3/4

17x+12=54-4x=6(5x-4x)

Answers

Answer:

Step-by-step explanation:

390

Does this graph show a function? Explain how you know.

Answers

Answer:

I think it's A

...........................

Fractions equivalent to 1:2
Please don’t be bots that post it in a link

Answers

Answer:

1/2 or .5 or 1:2

Step-by-step explanation:

The difference between the roots of the quadratic equation x^2-14x+q=0 is 6. Find q.

Answers

Answer:

The value of q is 40

Step-by-step explanation:

In the quadratic equation ax² - bx + c = 0, where

a = 1

b is the sum of its two roots

c is the product of its two roots

Assume that the roots of the quadratic equations are x and y

∵ The quadratic equation is x² - 14x + q = 0

∴ a = 1 , b = 14 and c = q

∵ b is the sum of its two roots

∵ Its roots are x and y

∴ x + y = 14 ⇒ (1)

∵ The difference between the roots is 6

∴ x - y = 6 ⇒ (2)

Now we have a system of equation to solve it

Add equations (1) and (2)

∴ 2x = 20

- Divide both sides by 2

∴ x = 10

Substitute the value of x in equation (1) or (2) to find y

∵ 10 + y = 14

- Subtract 10 from both sides

∴ y = 4

∵ c is the product of the two roots

∴ c = 10 × 4 = 40

∵ c = q

∴ q = 40

The value of q is 40

does anyone know equivalent expressions for these: y+4t+5y+3(3t+9y) and 9(y+4y+5)​

Answers

Answer:

y + 4t + 5y + 3 (3t + 9y) = 13t + 33y

9 (y + 4y + 5)​ = 45y + 45

what is 12×12. I know it's easy I just cant remember ​

Answers

Answer:

144

Step-by-step explanation:

144

Explain: calculators ya know

Add. (6x2 – 2x) + (5x – 7)

Answers

Answer:

Thats going to be 12x

Step-by-step explanation:

a=960 rounded to the nearest 10
b=89.0 rounded to 1 DP
Find the minimum (to 2 DP) of a÷b

Answers

Step-by-step explanation:

a÷b=960÷89=10.78651685=10.79 or 17.8

helpp me thx show work

Answers

Answer:

x= 25°

Step-by-step explanation:

3x-10 = 25 + x + 15 (ext ∠ of triangle equals to the sum of interior opposite ∠'s)

3x - x = 40 +10

2x= 50

x= 50/2

x= 25°

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