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4 years ago

How do you add a how do you subtract that how do you multiply and how do you division

Mathematics

2 answers:

Reika [66]4 years ago

7 0

Answer:

Your right

Step-by-step explanation:

264 is the correct answer.

Have a good day :)

slava [35]4 years ago

4 0

Well, it looks like the problem is 132*2=? Right?
So you just do the multiplication one by one. 2*2=4, 3*2=6 and 1*2=2. So 132*2=264. The answer is 264.

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Hershel is designing a square pyramid that needs to have a lateral surface of 440 in². The area of the base is 121 in². Find the

Snowcat [4.5K]

Answer:

The length of the slant height of the square pyramid is 20 in.

Step-by-step explanation:

The lateral surface area of a regular pyramid is the sum of the areas of its lateral faces.

The general formula for the lateral surface area of a regular pyramid is

$A=\frac{1}{2}pl$

where $p$ represents the perimeter of the base and $l$ the slant height.

From the information given we know that:

The lateral surface area of a square pyramid is 440 in².
The area of the base is 121 in².

And we want to find the the slant height of the pyramid.

For this, we also need to know that the area of a square is given by $A=s^2$ , where <em>s</em> is the length of any side and the perimeter of a square is given by $p=4s$ .

Applying the formula for the area of a square we can find the length of the side

$121=s^2\\s^2=121\\s=\sqrt{121}=11$

The perimeter of the base is

$p=4\cdot(11)=44$

Next, we can apply the formula for the lateral surface area and solve for $l$ the slant height.

$440=\frac{1}{2}44l\\\\\frac{1}{2}\cdot \:44l=440\\\\22l=440\\\\l=20$

The length of the slant height of the square pyramid is 20 in.

4 0

4 years ago

Point What is the value of x2 – 3x + 2 when x=4?

andrey2020 [161]

Answer:

Answer is -2

Step-by-step explanation:

6 0

3 years ago

There are 18 athletes trying out for the olympic swimming team. The coach only has room for 8 swimmers on the team. How many dif

Mice21 [21]

Answer:

43,758 different swimmer squad

Step-by-step explanation:

Given;

Total Number of athletes n = 18

Number of athletes needed to be selected r = 8

For this case, the coach need to select 8 players from a total of 18 athletes with no particular order. So, this is a combination case since the order of selection is not relevant.

The number of different swimmer squads the coach could select is;

S = nCr

nCr = n!/(r!×(n-r)!)

Substituting the values of n and r;

S = 18C8

S = 18!÷(8! × (18-8)!)

S = 18! ÷ (8!×10!)

S = 43,758

Therefore, he can select 43,758 possible different squads

5 0

3 years ago

Read 2 more answers

What is the answer to c divided by 16 = 5,

MariettaO [177]

Answer:

c/16=5

c=80

Step-by-step explanation:

multiply both side by 16

4 0

3 years ago

Olivia was making baggies of cookies with nine cookies in each bag. if she had thirteen chocolate chips cookies and forty one oa

m_a_m_a [10]

6 bags because 13 + 41 = 54 and 54/9 = 6

7 0

3 years ago