Think back to the pyramids in Egypt. For a Social Studies project, you created a scale figure of one pyramid. The dimensions are shown. How much paint will you need to paint the entire pyramid for your project?

Answers

Answer 1

The surface area of the pyramid is 568 square inches.

What is the surface area of a square pyramid?

The surface area of the square pyramid is defined as the total area covered by the surfaces required to make the square pyramid. The area is the space occupied by the square pyramid in two-dimensional planes.

The formula to calculate surface area will be calculated by the formula below,

SA=B+12(P × l)

Here, B is the area of the base, P is the perimeter of the base, and l is the slant height.

SA = ( 8 x 8 ) + 12 ( 8 x 4 + 10 )

SA = 64 + 12 ( 32 + 10 )

SA = 64 + 12 x 42

SA = 568 square inches

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Related Questions

A customer purchased 1/4 pound of ham, 1 1/2 pounds of turkey, 1 pound of roast beef, and 3/4 pound of bologna. Approximately what will the customer pay for the purchase before sales tax?

Answers

A customer purchased 1/4 pound of ham, 1 1/2 pounds of turkey, 1 pound of roast beef, and 3/4 pound of bologna. Therefore, the customer pay for the purchase before sales tax is $22.

Sales tax:

A sales tax is a tax paid to a governing body on the sale of certain goods and services. Laws generally allow sellers to collect taxes from consumers at the time of purchase. When a tax on goods or services is paid by consumers directly to the governing body, it is usually called a use tax. Laws often provide excise and use tax exemptions for certain goods or services, such as: food, education, medicine, etc. Value Added Tax (VAT) charged on goods and services is related to sales tax.

For Example:

I am shopping at The Clothing Boutique and would like to estimate the total after tax before checking out. After counting the total price of the items in the cart, the total is $100. Sales tax in this county is 9.5%, so you charge 9.5% (100 x 0.095) of $100.

According to the question:

The purchase before sales tax:

= 1/4 × $5.99 + 1 1/2 × $4.99 + 1 × $6.99 + 3/4 ×2.99

= $1.5 + $7.5 + $6.99 + $5.24

= $21.23 ≈ $22

Therefore, the customer pay for the purchase before sales tax is $22.

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How do you find the third side of a right triangle with two sides?

Answers

The Third side of the right triangle with two sides can be found by Pythagoras Theorem that means by adding the square of other two sides .

What is Pythagoras Theorem ?

The Pythagoras Theorem states that the , in a Right Triangle, the square of the hypotenuse side (longest side) is equal to the sum of squares of the other two sides“.

The sides of this triangle are named as Perpendicular, Base and Hypotenuse. where , the hypotenuse is longest side of the triangle , because , it is opposite to the angle 90°.

Therefore , the third side (longest side) of a right triangle with two sides can be found by adding the square of the other two sides .

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S(5-4-2) and y (1 7)

Answers

Answer:

i do not not the answer of this question

40 points!!!! What’s the answer???Please help!!!!! Please Tell me how you got it!!!
Please answer I’ll give brainliest!!! Fake answers such as links will get reported.

Answers

Answer:

1 : 64

Step-by-step explanation:

Without calculation, we should get:

(1/8)² = 1/64

Lets confirm

Area of the drawing:

4.875 * 14 = 68.25 in²

Area of the wing:

39*112 = 4368 ft²

Divide the area of the wing by the area of the drawing:

4368/68.25 = 64

As we see the ratio is same, drawing to wing:

1 : 64

Which of the following equations describes the nth term for the sequence 3/5,1/5,1/15,1/45,\cdots2
A. an = 1/3 (3/5)n-1
B. an = 1/3 (3/5)n
C. an = 3/5 (1/3)n-1
D. an = 3/5 (1/3)n

Answers

The equation which describes the nth term for the sequence 3/5,1/5,1/15,1/45,\cdots2 is an = 3/5 (1/3)n-1 , which is option C.

We use the formula an=a1+(n−1)d an = a1 + (n−1)d , to calculate the nth term of a given sequence. The 'n' here represents a number.

Using the nth term we can any number on the sequence which allows us to locate any term in a series.

By substituting different values for the term number, we can create a series utilizing the nth term (n).

To find the tenth term we use the sequence formula and substitute a random number in place of n.

Example if we need to find the first 50 term then we will substitute n as 50.

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the probability that a twelve-year-old has a brother or sister is 25%. supposed you survey 300 twelve-year-olds. about how many do you think will have a brother or sister?

set up a solve a proportion for this as well.

Answers

Answer:

n(B U S) = 75

Step-by-step explanation:

P(E) =

Let 'B' be the event of having twelve year old brother

Let 'S' be the event of having twelve year old sister

given data P(BUS) = 0.25

given total survey n(survey) = 300

we have to find the value is n(BUS) =?

we will use probability definition we get, P( BUS) =

substitute given values, we will get solution

after cross multiplication , we get

n(BUS) = 0.25 X 300

n(BUS) = 75

Answer:

75 twelve-year-olds will have a brother or sister

25% of 300 = 75

Step-by-step explanation:

Step 1: Our output value is 300.

Step 2: We represent the unknown value with x

Step 3: From step 1 above, 300=100%.

Step 4: Similarly, x=25%

Step 5: This results in a pair of simple equations:

300=100% (1).

x=25% (2).

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both

equations have the same unit (%); we have

300/x 100%/25%

Step 7: Again, the reciprocal of both sides gives

x/300 25/100

x=75

Therefore, $25% of 300 is 75

150% ×_____ = $6.75 find the unknown

Answers

Answer:

The answer is $4.50.

Step-by-step explanation:

To solve this problem, divide the result ($6.75) by the percentage (150%). This gives you the original number which was multiplied by the percentage. So,

$6.75 / 150% = $4.50.

Answer:

$4.50

Step-by-step explanation:

150% × □ = $6.75

First, we can rewrite 150% as the fraction 3/2.

[tex]\dfrac{3}{2} \times \square = \$ 6.75[/tex]

Then, we can also rewrite 6.75 as the fraction 27/4.

[tex]\dfrac{3}{2} \times \square = \$ \, \dfrac{27}{4}[/tex]

Next, we can isolate the unknown by multiplying both sides by 2/3 (the reciprocal of 3/2).

[tex]\left(\dfrac{2}{3} \right)\left(\dfrac{3}{2} \times \square \right) = \left(\$ \, \dfrac{27}{4}\right)\left(\dfrac{2}{3} \right)[/tex]

After that, simplify by multiplying out the numerators and denominators on the right side of the equation.

[tex]\square = \$ \, \dfrac{27 \times 2}{4 \times 3}[/tex]

[tex]\square = \$ \, \dfrac{54}{12}[/tex]

Finally, simplify the expression on the right side to a decimal form.

[tex]\square = \$ \, \dfrac{54 \div 2}{12 \div 2}[/tex]

[tex]\square = \$ \, \dfrac{27 \div 3}{6 \div 3}[/tex]

[tex]\square = \$ \, \dfrac{9}{2}[/tex]

[tex]\square = \$ 4.50[/tex]

96743 divided by 25 im at school in person so uh ya lol

Answers

Answer:

3,869.72

Step-by-step explanation:

..Solve multi step problems

Help me.....

Answers

Using multiplication as a mathematical operator, Kareem will 864 more cards and Nicole will get 24 more cards

What is Multiplication

Multiplication is a mathematical operation that involves multiplying two or more numbers together. It is one of the four basic operations in mathematics, along with addition, subtraction, and division.

In this problem, we may require the use of some mathematical operators to find the solution to the problem.

He currently has 216 cards, but he needs 15 sets of cards.

1 set of card = 72 cards

Let's calculate the number of sets he currently has.

1 set of card = 72 cards

x set = 216 cards

cross multiply both sides and solve for x.

x * 72 = 216 * 1

x = 216 / 72

x = 3 sets

He currently has 3 sets of cards.

Since he wants 15 sets of cards, we will need 12 more set of cards.

The number of cards can be calculated by multiplying 12 by 72

Number of cards = 12 * 72 = 864

He needs 864 more cards.

1 set of card = $27

1 set = 72 cards

But she's bringing $9 to join, we can calculate the ratio of cards she will get.

1 / 27 = x / 9

x = 9 / 27

x = 1/3

She will get 1/3 of the cards bought which will be

72 * 1/3 = 24 cards

She will get 24 cards

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What is the quotient of 3.201 x 10^9 and 4.85 10^3 expressed in scientific
notation?

Answers

Answer:

3.201 x 10^9 and 4.85 10^3 = 3 201 004 850 = 3.20100485 × 10^9

Step-by-step explanation:

= 3.20100485 × 10^9

(scientific notation)

= 3.20100485e9

(scientific e notation)

= 3.20100485 × 10^9

(engineering notation)

(billion; prefix giga- (G))

= 3201004850

(real number)

Find the missing value to the nearest hundredth.

tan ___ = 73
A. 81.61°
B. 64.61°
C. 60.61°
D. 89.22°

Answers

Answers

The graphic solution for each system of equations is given as follows:

20. (5/3, 28/3).

21. (0.205, 3.846).

22. (-1/2, -5/2).

23. (-4.615, 7.462).

How to solve a system of equations graphically?

The graphic solution of a system of equations is given by the point of intersection of all the equation that compose the system.

For this problem, the systems are composed by functions of the first degree, hence they are linear functions.

For each system, the graph is traced, and then the point of intersection is identified on the graph given at the end of the answer.

Each system is traced on a different color, as follows:

System 20: red.System 21: black.System 22: green.System 23: blue.

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N plus 75 used in a real world sentence.

Answers

Answer:

Laura has "n" amount of nickels. She receives 75 more from her grandmother.

Explanation:

(If this is not what the question meant, please let me know!)

Because the question is asking us to write a sentence for an addition problem, we need to write a sentence that involves two amounts of one thing being combined, in this case nickels.

(-3/4)x + 25 = (1/8)x - 3
Find x and show your steps.

Answers

Answer: x=32

Exclamation:

-3x\4+25=1/8x-3

-3/4x+25=x/8-3

-6x+200=x-24

200=x-24+6x

200=7x-24

200+24=7x

224=7x

224/7=32

PLEASE ANSWER!! I WILL GIVE BRAINLIEST AND 50 PTS!!

Coordinate plane with triangle EFG with E at 0 comma 5, F at 1 comma 1, and G at negative 2 comma 1. Point H at 1 comma 1 is on segment GF, and points E and H are connected with a segment.

Triangle EFG is dilated by a scale factor of 3 centered at (0, 1) to create triangle E'F'G'. Which statement is true about the dilation?

segment EH and segment E prime H prime both pass through the center of dilation.
The slope of segment EF is the same as the slope of segment E prime H prime.
segment E prime G prime will overlap segment EG.
segment EH ≅ segment E prime H prime.

Answers

Answer:

See below and the attached

Step-by-step explanation:

Given triangle EFG:

E(0, 5), F(1, 1), G(-2, 1)Center of dilation is H(0, 1)Scale factor is k = 3

The rule for this dilation is:

(x, y) → (k(x - a) + a, k(y - b) + b) (x, y) → (3x, 3(y - 1) + 1) = (3x, 3y - 2)

The coordinates of E'F'G' are:

E → E' = (0, 5) → (0, 13)F → F' = (1, 1) → (3, 1)G → G' = (-2, 1) → (-6, 1)Points H and H' overlap as center of dilation at (0, 1)

Options (verified with the graph):

Segment EH and segment E prime H prime both pass through the center of dilation.

True

The slope of segment EF is the same as the slope of segment E prime H prime.

False

Segment E prime G prime will overlap segment EG.

False

Segment EH ≅ segment E prime H prime.

False

answer is A gl on ur test

If y varies directly as x, and y = 15 when x = 10, then what
is y when x = 6

Answers

Answer:

y = 9.

Step-by-step explanation:

y = kx where k is a constant.

Substituting the given values:

15 = k*10

k = 15/10 = 1.5 so

y = 1.5x is the relation.

When x = 6

y = 1.5 * 6

= 9..

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

y = kx

k = 1.5 and x = 6

The value of y when x = 6 is 9.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

2x + 3 = 9 is an equation.

3x = 5 is an equation.

We have,

If y varies directly as x.

This means,

y ∝ x

y = kx

where k is the constant of proportionality.

Now,

y = 15 when x = 10

This means,

15 = 10k

k = 15/10

k = 1.5

Now,

y = kx

k = 1.5

x = 6

y = 1.5 x 6

y = 9

Thus,

y = kx

k = 1.5 and x = 6

The value of y when x = 6 is 9.

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store a charges $8 per movie plus a $10 shipping fee for each order (no matter how many movies are in the order). An order of movies from store z always costs the same as ordering the same number of movies from store A. How much does store Z charge per movie

Answers

Store Z charges $8 per movie.

What is an expression?

An expression is the mathematical statement that is formed by numerical and variable terms along with operators. It represents the method of a mathematical operation in a symbolic form.

How much does store Z charge per movie?

given, store A charges $8 per movie.

for each order shipping fee = $10

if store A is ordered x movie at a time than the total cost for one order

represented by the expression, $8 x + $10.

As per question, store Z cost always the same as store A for one order.

so, cost for one order in case of store Z = $8x + $10

if x denotes the number of movies that is ordered at a time, then the Z store charges $ 8 per movie.

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A rescue boat just picked up some sailors in a lifeboat. Now the rescue boat is heading north at 14 miles per hour. The lifeboat, which they abandoned, is drifting south at a speed of 3 miles per hour. How long will it be before the rescued sailors are 57 miles from their lifeboat?

Answers

The time it will take for the rescued sailors to be 57 miles from their life boat is given as follows:

3.35 hours.

What is relative velocity?

Relative velocity is obtained considering the direction in which the objects are traveling, as follows:

Opposite direction: the relative velocity is given by the sum of the velocities of each object.Same direction: the relative velocity is given by the subtraction of the velocities of each object.

For this problem, the sailors and the lifeboat are traveling in opposite directions, hence the relative velocity, considering each of their velocities is given as follows:

v = 14 + 3 = 17 miles.

(meaning that they get 17 miles farther each hour).

Velocity is distance divided by time, hence the time it will take for them to be 57 miles apart is given as follows:

17 = 57/t

17t = 57

t = 57/17

t = 3.35 hours.

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Z is a standard normal random variable. The P(Z > 2.11) equals
0.4821
0.9821
0.5000
0.0174

Answers

The correct answer should be 0.0174

Caleb bought groceries for $68.48, including sales tax. If sales tax was 7%, how much was the groceries before tax?
pls help me

Answers

Answer:

$64.00

Step-by-step explanation:

Let the amount for the groceries before tax be Y

If the cost inclusive of tax at 7% is $68.48, then

Y + 7% * Y = $68.48

100%Y + 7%Y = $68.48

107%Y = $68.48

Recall that 107% = 1.07

1.07Y = $68.48,

Divide both sides by 1.07

Y = $68.48/1.07

Y = $64.00

Hence the cost of the groceries before tax is $64

helpppppp
math math math math

Answers

Answer: 35

Step-by-step explanation:

So first you plug 5 into the equation which is:

10(5)-15

which is 50-15

50-15 is 35

Answer:

Step-by-step explanation:

plug 5 in for x and u will get 35

Would this equal 0 (zero): (put yes/no as your answer)
Sandy's rose bush grew 8 inches in the spring. Then, she pruned it back 8 inches in the fall.

I need help ASAP!!!!!!!!! Plz & thx. I will give the correct answer a crown.

Also, have a great day/night

Answers

Answer:

Yes, that would be 0

As simple as 8-8=0

You have a great day/night too :)

hELP before my mom gets mad at me for bad grades

Answers

All must add up to 360°

100+44=144°

360-144

= 216°

Answer:

144°

Step-by-step explanation:

Every possible triangle's 3 angles add up to 180.

So when you are given 2 angles of a triangle (100° and 44°), you can find the 3rd one by subtracting the given angles from 180°.

100°+44°=144°

180°-144°=36°

That's the missing angle inside the triangle.

We need that to find angle 1 because 2 angles that make up a straight line add up to 180°. So 180-36°=144°.

Two-fifths of a number is 2/5 greater than 1/3 of the number. What is the number?

Answers

the number is 6.
2/5x=2/5+1/3x
2/5x-1/3x=1/15x
1/15x=2/5
x=6

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