Mathematics Middle School

What is the total surface area of this square pyramid?

A square pyramid. The square base has side lengths of 9 millimeters. The triangular sides have a height of 12 millimeters.

_____________ mm2
189
216
297
378

Answers

Answer 1

Answer: The correct answer is 297 (C)

Step-by-step explanation: I got it correct!!. Hope this helps :)

Answer 2

The area of a 2D form is the amount of space within its perimeter. The total surface area of the square base pyramid is 297mm².

What is an area?

The area of a 2D form is the amount of space within its perimeter. It is measured in square units such as cm2, m2, and so on. To find the area of a square formula or another quadrilateral, multiply its length by its width.

The total surface area of the square pyramid is the sum of the area of the triangles and the area of the base. Therefore, the total surface area is equal to,

Total surface area = Area of square base + 4(Area of a triangular face)

                               = (9mm)² + 4(0.5×9×12)mm²

                               = 81mm² + 216mm²

                               = 297mm²

Hence, the total surface area of the square base pyramid is 297mm².

Learn more about the Area:

https://brainly.com/question/1631786

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Related Questions

Use the​ power-reducing formulas to rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.

2(sin^4)x

Answers

Answer:

13sin4(x) = 39/8 - 13/2cos(2x) + 13/8cos(4x)

Step-by-step explanation:

13sin4(x) = 39/8 - 13/2cos(2x) + 13/8cos(4x)

ANSWER THIS QUESTION FOR BRAINLEST AND 10 POINTS

Answers

Answer:
L(0,0)

M(2,4)

N(4,2)
L (0,0)
M (2,4)
N (4,2)

Did i do the equation correct?

Answers

Answer:

Your wrong

Step-by-step explanation:

It's 6 x 1/2 = 6/2 which equals 3

Count each segment that ends at 3 which would give you 6 and 6 times 1/2 is 6/2 and 6/2 simplified is 3

3 is where it stops on the ruler so thats how I know correct.

Type in

6 x 1/2 = 6/2

 

Answer:

No

Step-by-step explanation:

It's 6 x 1/2 = 6/2 which also equals 3

The expression 5 1/2x + 6 represents the perimeter of

the rectangle shown. Write an expression that

represents the length of the rectangle

Answers

L=bxh|2 :) give me brainliest pls
Length=[ 5 1/2x + 6 - 2( 1/4x+2 ) ]*1/2
=[ 11/2x + 6 - 1/2x - 4 )*1/2
=( 5x + 2 )*1/2
=5x/2 + 1

Please help and show work thank you!

Answers

Answer:

1)-0.65    2) 28.8   3) 747.6

Step-by-step explanation:

divide the numerator (-13) and the denominator (20)32 x 90= 2880, divide 2880 by 100 equals to 28.8

    3. multiply 12 by 62.3

I hope this helps!

The is tkdb rndnrndnrndnrjdbr r

Sidney received $5.21 in change after paying for her purchases with a $20 bill. If c is the cost of Sidney’s purchases, which equation can be used to find the possible values for c?

Answers

Answer:

5.21+c=20 (c = 14.79$)

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Which properties of operations could be used to show that (-5p + 9) + (-2 + p) is equivalent to (-5p) + p + 9 - 2?

Answers

Answer:standard order of operation

Step-by-step explanation:

Answer:

Order of operation

Step-by-step explanation:

Order of operation

how many solutions does this have

Answers

Answer:

Infinitely many solutions

Answer:

Step-by-step explanation:

no solution ( sorry if its incorrect)

SMARTIES HELP ME PLEASE!!!!!!!!!!!!!!

Answers

A goes with number 3. B goes with number 4. C goes with number 6. D goes with number 5. E goes with number 2. F goes with number 7. G goes with number 1.
A with 3
B with 4
C with 6
D with 5
E with 2
F with 7
G with 1

Can you please help me it would mean the world to me

Answers

Answer:

y=-3+2x

Step-by-step explanation:

Answer:6+-6

Step-by-step explanation:You need to find if its negative or positive and when you find your numbers you line them up and put them in a equation

Dom Grady has completed 21 out of 25 passes for his football team. What percentage of his total passes has he completed? Explain and support your answer. Show ALL steps.
(I'll give you five stars if you do this right, thank you!!)

Answers

Answer:

84%

Step-by-step explanation:

Completed passes: 21

total: 25

fraction: 21/25

21/25 x100

= 84

He has completed 84% of passes.

Answer: 84%

Step-by-step explanation:

1. Convert each number to 100% to make it easier to work out.

2. Multiply 25 x 4 to get to 100, and 21 x 4.

3. 21 x 4=84.

4. So, Grady had completed 84% of the passes.

Let's see who can do this!

Answers

Answer:

28

Step-by-step explanation:

KARLEE HAS 4 PENCIL PACKS.

1 PENCIL = 1/7 of pack.

∴ 1 pack has 1/7 multiplied by X.

X/7 = 1, so X is 7.

AND THEREFORE 4 PACKS CONTAIN 7*4 = 28

Answer:

1. 28

2. 55

3. 20

Step-by-step explanation:

In a museum there is a sculpture in the shape of a cylinder. The cylinder has a diameter of 10 feet and a height of h feet.
Which equation can be used to find V, the volume of the cylinder in cubic feet?

Answer Choices:

A.) ∨= π (5)²h
B.) ∨= π (5h)²
C.) ∨= π (10)² h
D.) ∨= π (10h)²

Answers

Answer: A

Step-by-step explanation:

The diameter is 10 ft and to get r you divide 10 by 2 to get 5. Then square the radius and multiply by h.

the answer is A v= tt (5)2h

The students in Ms. Douglas’ class worked so hard this year that she has planned a surprise, end-of -year trip for them to a local amusement park. The school principal allows Ms. Douglas to spend a budget of $500 on the trip.
So far she knows :
A coach bus costs $180 to transport them to and from the park.
Price of admission to the park is $15 per person

Part A : Write an inequality that describes that how many students Ms. Douglas can bring on the trip. Define the variable


Part B: Solve the inequality and explain the solution in the context o the problem

Answers

Answer:

Part A: 180+15x=500

B: x = 21.333 or 21

Step-by-step explanation:

So in part A since you have 500 to spend and 180 goes to the coach bus, you are left with $ 320 to spend on the students and when you divide 320 by 15, (since the tickets for admission are $15) you end up with 21.333, but since you cant bring .333 of a student on a trip you can bring 21 students, but you can buy 21.333 tickets.

Answer:
A) 15x+180 ≤ 500
B) 33 people can go on the trip to not exceed the budget.

Steps:

15x+180 ≤500
Subtract 180 from both sides

15x ≤ 500
Divide both sides by 15 to isolate x(make sure to flip the sign since you are multiplying)

x ≥ 33.333

Therefore, only 33 people can go on the trip to not exceed the budget.

Please help!!!!! I will Mark Brainliest :(((

Answers

The answer is 24.10!!!

PLZZZZZZZZZZZZZZZZ I NEED THISSSSSSSSSSSSSS

Answers

n=0.5/3
i'm like 90% sure if i'm wrong i'm sorry lol
-10.5n+14

Explanation: Just use the distributive property lol

Sarah need 7 tickets, how much does it cost if 9 tickets cost 159 dollars

Answers

Answer:

I think it's $123

Step-by-step explanation:

good luck!!!and have a great day/night (different time zones)

The answer is 123.62 roughly. To find this, divide 159 by 9 to find the cost of the tickets. Then, multiply the cost of the tickets by 7 to get your answer.

What is the value of the variable in the equation, 25+h=361 *


please help me

Answers

336
Subtract 25 from both sides to get the variable by itself.
361-25=336
336 like what they said up there lol

Please help me on this for brainliest and a cookie

Answers

i believe it is 53 because 53 - 14 = 39

do i get a cookie :3 ?

M=53
Because 39=m-14
39+14=m
M=53

A school carnival sold 27 early-admission tickets and 3 regular tickets. What percentage of the tickets sold were early-admission tickets?

Answers

Answer:

Step-by-step explanation:

There is a total of 27 tickets, and 3 of them are regular tickets

To find the percentage, we divide early-admission tickets by the regular tickets , which is 27/3.

We can then simplify 27/3, or 9 which is 90%.

Answer:

90%

Step-by-step explanation:

PLEASE SOLVE AND SHWO ME HOW TO WORK IT OUT PELASEEEEEE

Answers

Answer:

No solutions

Step-by-step explanation:

-4(3x-7)+8x=3x-18-7x

-12x+28+8x=3x-18-7x

-4x+26=-4x-18

+4x        +4x

26=-18

No solutions

this problem technically doesn’t work, so i assume it’s something to do with a graph. the problem work is in the picture below. hope this helps

PLEAASE BRO HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE




Arianna measured a line to be 13.8 inches long. If the actual length of the line is 14.3 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?

Answers

Answer:

0.5

Step-by-step explanation:

14.2-13.8

Help me please like right know please

Answers

Answer:

D

Step-by-step explanation:

Answer: The answer is D

I really do hope this is the answer but I am really sorry if this is wrong

Step-by-step explanation:

the main equation would be

210+3x>288

first I divided 210 by 3 to see how many mugs he has sold first. Then I got an answer of 70 mugs sold. after that i subtracted 210 from 288 and got 78. After this I divided 78 by 3 to get a count of how many mugs Ronny needs to sell. so The total amount of mugs Ronny needs to sell to reach his goal of 288$ is 96. But he has already sold 70 so he needs to sell 26 more mugs.

Divide these numbers.

18 ÷ 4

Answers

Answer:

4.5

Step-by-step explanation:

18 / 4 = 4.5

Okay, you would know that 16 / 4 = 4.
So that solves 1 part. Next, you have to divide 2 / 4. Which would equal 0.5.

Then you add 4 to 0.5, which is 4.5!

I hope that helps!

The sum of two numbers is 62 and the difference is 4. What are the numbers?

Answers

Answer:

The answer is 29 and 33

Step-by-step explanation:

First off 33-29=4 and 29+33=62

Hope this helps!

A group of students formed a circle during a game. The circumference of the circle was about 43.96 feet, and the diameter of the circle was 14 feet.

Which expression best represents the value of [tex]\pi[/tex] ?

Answers

Answer:

14 x pi = 43.96

Step-by-step explanation:

14 x 3.14(pi) .......

3 1/4 - 5 my teacher !!!!!!

Answers

Answer: -1.75

3.25 - 5 = -1.75

I hope this helps!

Plz help me if u don’t know plz don’t answer I don’t have many points

Answers

Answer:1st same  2nd same 3rd diffrent 4 the same

Step-by-step explanation:

I will give brainliest. Help plz!!!!!

Answers

5:2 and 14:8 are not proportional, 3 to 4 and 24 to 18 are also not proportional, 5:6 and 2:8 are also not proportional, and 7 to 4 and 17.5 to 10 are also not proportional. 7 inches in 9 hours and 42 inches in 54 hours is proportional. 12 players from 21 teams and 15 players from 24 teams are NOT proportional.

The sum of 237 six times the opposite of a number is 405. What is the number

Answers

CaN SOMEONE HELP ME
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