Find the volume and surface area.

Find The Volume And Surface Area.
Find The Volume And Surface Area.

Answers

Answer 1

Answer: Formula used for pyramid is (V= 1/3 Bh   SA: 1/2 P*l+B) Final answer is SA=110.4   V=64

Step-by-step explanation:

P= Perimeter

l= length

B= Base

To find the perimeter you add all the sides of the base. (4+4+4+4)=16

To find the length you can use Pythagorean Theorem which is a(squared) + b(squared) = c(squared) where c is the hypotenuse. [tex]2^{2}[/tex] + [tex]12^{2}[/tex]= [tex]x^{2}[/tex]

4+144=[tex]x^{2}[/tex]

164=[tex]x^{2}[/tex]

[tex]\sqrt{164}[/tex]=x

x=12.8

To find the base it will be l*w (4*4)=16

Then you plug it in the formula for SA which will be

SA=1/2 16*12.8+16

SA=110.4

For Volume, it will be

V=1/3 Bh

V= 1/3 16(12)

V= 64


Related Questions

39) Mrs. Ray sold 96 pounds of shrimp. of it was sold at $5.60 per
pound and the rest at $4.70 per pound. How much money did she
receive altogether?

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Answer:

How much of it was sold at $5.60 per pound? The question cut off on that part.

Step-by-step explanation:

what is the circumference of the circle of parallel of latitude 40°​

Answers

Answer:

The circumference of a circle with a latitude of 40 degrees is 251.33

help me solve ... 26 is 62% of what

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Answer: 16.12 should be your answer.

Hope this helps.

Answer: 16.12

Step-by-step explanation:

Find the value of x.

Answers

Answer: x=13

Step-by-step explanation:

1k + 9>30

Plis ayúdenme

Answers

Answer:

Step-by-step explanation:

1k +9 > 30

1k +9 -9 > 30 -9

1k > 21

k > 21

Need help now, will give brainliest

Answers

Answer:

in 2 months

Step-by-step explanation:

since 2 times 7000 is 14000 plz mark as brainliest

Answer- In 2 months

Explain- It is correct when i calculated, i also did this

——————-

PLEASEE HELP!!!!!!!!!1

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the answer is 2 hours and 36 minutes :)))

What sum is represented by the arrow diagram?

Answers

Answer:

Would it be 1?

Step-by-step explanation:

I'm not that sure but it seems it goes up to 4 so 4- -3 = 1. Exuse me if my wrong..

B
20
A
19
С
What is the length of BC?

Answers

Answer:

6.245

Step-by-step explanation:

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

pls help will mark as brainliest​

Answers

F1) 4 , F2) 16 Explanation add 4 after every number

Find the solution(o) to 9N64x= 0, Check all that apply.

Answers

I have a ps5 with lots of games do you want it

A pump can fill a 2400-L water tank in 50 min.
How much water can it pump in half an hour?

Answers

Answer: 2400 litre in 50 mins

In 1 min it fills 2400/50 litres

In 30 mins 2400/50*30=1440litres

The graph shows the distance, d, in miles, that Joe can drive his car using g gallons of gasoline. What is the rate of change in this situation?


30 miles per gallon of gasoline


35 miles per gallon of gasoline



20 miles per gallon of gasoline


25 miles per gallon of gasoline
pllllllllzzzzzz help!

Answers

Answer: 25 miles per gallon

Step-by-step explanation:

Look for where the slanted lines meets at a corner

Please answer this question. The answer is 2.77cm but my teacher wants a two triangle solution.

Answers

9514 1404 393

Answer:

  5.69 cm

Step-by-step explanation:

The mnemonic SOH CAH TOA can remind you of the relationships between angles and sides in a right triangle. Here, the useful ones are ...

  Cos = Adjacent/Hypotenuse

  Sin = Opposite/Hypotenuse

__

Using the first of these, we can find GD:

  cos(52°) = GC/GD

  GD = GC/cos(52°)

Using the second of these, we can find GH:

  sin(64°) = GH/GD

  GH = GD·sin(64°)

Substituting for GD, we find ...

  GH = GC·sin(64°)/cos(52°)

  GH ≈ (3.9 cm)(0.8988/0.6157)

  GH ≈ 5.69 cm

_____

Additional comment

The length 2.77 cm given in your question is the approximate length of DH. That solution is DH = (3.9 cm)·cos(64°)/cos(52°) ≈ 2.7769 cm ≈ 2.78 cm.

Problems of this nature tend to be formulated different ways, so the specific answer will depend on the specific question. Angles and lengths and requested information may vary, even though the picture looks very similar. Read all the words.

What equation represents y=−3x^2+12x−8 in vertex form?

Answers

Y=3(x+2)^2-20 hope this is right!

Solve the following problem: Find x,y

Answers

9514 1404 393

Answer:

  x = 3

  y = 2

Step-by-step explanation:

Segments in the smaller triangle are half the length of the corresponding segments in the larger triangle.

Shortest to longest, the segments are ...

  3 : 4 : 6 = 1.5 : y : x = 1.5 : 2 : 3

  y = 2

  x = 3

22) Find the measure of angle A to the nearest degree. Find the length of side b, to tenths.

Answers

Answer:

m∠A = 31

b = 13.3

Step-by-step explanation:

0. At a rugby match, the ratio of children to adults is 2 : 3
There are 80 children in the crowd.
Each adult ticket costs £8
Each child ticket costs a quarter of the adult ticket.
Work out the total money made from ticket sales.

Answers

C (2):(3) A
C (80): ? A
80/2=40
3x40= 120
120 adults

now for tickets..
8x120=£960
1/4 of 8 is 2
2x80=£160
£960+£160=£1,120 total!
i have to take my car back in a little while

Solve for the Degree 0​

Answers

Answer:

d, 45 degrees

Step-by-step explanation:

a triangles angles add up to 180 we already have 90 so 180 - 90 = 90 and the two other angles are equal so 90÷2 is 45

Solve the system given:
3x - y = 7
2x + y = 3

(5,4)
(-1,2)
(2,-1)
(4,5)

Answers

i think it’s (2,-1) i hope it’s right!!

SOMEONE HELP PLEASE! I will mark Brainlist and 5 star :)

5. Dion created a scale drawing of the school library in his art class. In the scale drawing, the length of the library is 13
inches. The length of the actual library is 78 feet.

Which scale did Leon use to create the scale drawing of the school library?
A. 1 inches represents 6 feet
B. 1 inches represents 1/6 foot
C. 6 inches represents 1 foot
D. 6 inches represents 1/6 foot

Answers

So the scale used was

1 inch = 6 feet                 ANSWER = A

Step-by-step explanation:

Given;

Length of library on drawing = 13 inches

Actual length of library = 78 feet

In order to find the scale we divide the actual length by the length of library on drawing.

So, scale = 1 inch = 6 feet

Keywords: Scale, Maps

Answer:

C

Step-by-step explanation:

78 feet/13 inches=6 inches/foot

Could someone help this question? I need help please and thank you​

Answers

Answer:

second one

Step-by-step explanation:

-6 + 30 = 24

Hey, Whats The answer please explain your answer marking brainliest:D....................................

Answers

Answer:

I think it's answer choice A!

Step-by-step explanation:

The reason why I think that it is A is because of the given y values. The x values are consistent through all of the given choices, but if graphed, there is a distance of three units between the y-value of 4 and the y-value of 7. I personally like to use Desmos when it comes to trying to get a visual graph of coordinates. I hope this at least helped a little!

The distance between (2,4) and (2,7) is 3 therefore, these two points have a distance of 3 units, therefore, option (A) will be correct.

How to find the distance between two points?

Let's consider we have two points (x₁, y₁) and (x₂, y₂) the distance between these two points is given by the formula;

[tex]d = \sqrt {\left( {x_1 - x_2 } \right)^2 + \left( {y_1 - y_2 } \right)^2 }[/tex]

The distance between with two points (x₁, y₁) and (x₂, y₂) is given as,

[tex]d = \sqrt {\left( {x_1 - x_2 } \right)^2 + \left( {y_1 - y_2 } \right)^2 }[/tex]

In option (A),

Points are (2,4) and (2,7).

The distance between them will be,

[tex]d = \sqrt {\left( {2 - 2 } \right)^2 + \left( {4 - 7 } \right)^2 }[/tex]

d = √(3²) = 3

Hence "The distance between (2,4) and (2,7) is 3 therefore, these two points have a distance of 3 units".

To learn more about the distance between two points,

https://brainly.com/question/24485622

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Answers

Answer:

1) y=4

2) y=7

3) x=6

Step-by-step explanation:

to get y, divide x by 2. to get x, multiply y by 2

1st: 4
2nd: 7
3rd: 6

Explanation: 1st two, you have to plug-in the x values in and then simply divide. 3rd one you have to think of a number that equals 3 when it’s being divided by 2 which is 6.

Given CAD is a right angle and AB is bisecting CAD and if DAB=(7x-4) find X

Answers

Answer:

Step-by-step explanation:

Just a quick clarification, swap A and B on the diagram.

If CAD is a right angle, it is equal to 90°. Since AB is bisecting CAD, angles CAB and DAB are congruent(equal) and complementary(add up to 90) angles, and thus equal 45°. By the transitive property, if DAB = (7x - 4)° and also equals 45°, (7x - 4)° = 45°. So we can simply solve for x.

7x - 4 = 45
7x - 4 + 4 = 45 + 4
7x = 49
7x/7 = 49/7
x = 7

Shayna enlarged a square photo by adding 10 inches to each side so it could be seen on a large poster. The area of the enlarged photo is 256 square inches. In the equation (x + 10)2 = 256, x represents the side measure of the original square photo.

What were the dimensions of the original photo?
pls hurry

4 inches by 4 inches
6 inches by 6 inches
10 inches by 10 inches
12 inches by 12 inches

Answers

Answer:

The correct answer is:

6 inches by 6 inches

Step-by-step explanation:

Given that

Area of Enlarged photo = 256 square inches

Let x be the side of original photo

then the equation for area of new enlarged photo will be:

[tex](x+10)^2 = 256[/tex]

We have to solve the given equation to find the side length of original photo

Taking square root on both sides

[tex]\sqrt{(x+10)^2} = \sqrt{256}\\x+10 = 16[/tex]

Subtracting 10 from both sides

[tex]x+10-10 = 16-10\\x = 6[/tex]

So the side length of original photo is 6 inches. The dimensions will be 6 inches by 6 inches.

Hence,

The correct answer is:

6 inches by 6 inches

Answer:

Its B on edge 2021

Step-by-step explanation:

Just took a test


What is the length of the hypotenuse in the traingle shown above?

Answers

Answer:

17 yards

Step-by-step explanation:

X = √[(15^2) + (8^2)]

x = √[225 + 64]

x = √289

x = 17

Use the equation y = x - 2 and perform a reflection over the x-axis. Write an equation in 2

1

slope intercept form that represents the new line.

Answers

Answer:

So after reflecting over the x-axis, the equation is:

[tex]-y = x-2[/tex]

so the equation in the slope-intercept form

[tex]-y = x-2[/tex]

[tex]y=-x+2[/tex]

Here,

The slope = m = -1The y-intercept = b = 2

Step-by-step explanation:

Given the equation

[tex]y = x - 2[/tex]

Reflecting over the x-axis inverts the sign of the y-coordinate, but the sign of the x-coordinate remains the same.

So after reflecting over the x-axis, the equation is:

[tex]-y = x-2[/tex]

Now, writing the equation in the slope-intercept form

[tex]y=mx+b[/tex]

where m is the slope and b is the y-intercept

so the equation in the slope-intercept form

[tex]-y = x-2[/tex]

[tex]y=-x+2[/tex]

Here,

The slope = m = -1The y-intercept = b = 2

The sum of two numbers is 53 and the difference is 19. What are the numbers?

Answers

Let x be the smaller number.
So the bigger number is x+19 (Their difference is 19)
Their sum: 53

I need help asap!!!!!

Answers

Answer:

16.7

Step-by-step explanation:

We can use the Pythagorean Theorem [tex]a^{2}[/tex] + [tex]b^{2}[/tex] = [tex]c^{2}[/tex].  So we write the equation below and solve for b.

[tex]9^{2}[/tex] + [tex]b^{2}[/tex] = [tex]19^{2}[/tex]

81 + [tex]b^{2}[/tex] = 361

[tex]b^{2}[/tex] = 280

b = 16.7

Answer:

h²=p²+b²

(19)²-(9)²=b²

361-81= b²

b²=280

b= √280

:. b=+-16.733

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