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AysviL [449]
3 years ago
11

Plz help, asap!!

Mathematics
2 answers:
kicyunya [14]3 years ago
8 0

Answer:

Perimeter of base: 50 cm

Height: 30 cm

Base area: 60 cm

Volume: 21,600 cm

Surface area: I am sorry I forget how to do surface area, but I hope everything else helps.

Step-by-step explanation:

perimeter of base: 50 cm

13+13=26+24=50

Height: 30 cm

already shows height.

Base area: 60 cm

1) 24/2=12   2) 5*12=60

Volume: 21,600 cm

Length*Base*height/2=24*60*30=43,200/2=21,600

surface area:

Sorry I forget how to do surface area.

ella [17]3 years ago
4 0

Answer:

Perimeter of base: 50 cm

Height: 30 cm

Base area: 60 cm

Volume: 21,600 cm

Surface area: I am sorry I forget how to do surface area, but I hope everything else helps.

Step-by-step explanation:

perimeter of base: 50 cm

13+13=26+24=50

Height: 30 cm

already shows height.

Base area: 60 cm

1) 24/2=12   2) 5*12=60

Volume: 21,600 cm

Length*Base*height/2=24*60*30=43,200/2=21,600

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OlgaM077 [116]

Answer:

138, 460 m²

Step-by-step explanation:

How To Find Volume of Pyramid With Slant Height? If 'x' is the base length, 's' is the slant height, and 'h' is the height of a regular pyramid, then they satisfy the equation (the Pythagoras theorem) (x/2)2 + h2 = s2.

8 0
2 years ago
Please help me in this questions....​
Ivahew [28]

Part (i)

I'm going to use the notation T(n) instead of T_n

To find the first term, we plug in n = 1

T(n) = 2 - 3n

T(1) = 2 - 3(1)

T(1) = -1

The first term is -1

Repeat for n = 2 to find the second term

T(n) = 2 - 3n

T(2) = 2 - 3(2)

T(2) = -4

The second term is -4

<h3>Answers: -1, -4</h3>

==============================================

Part (ii)

Plug in T(n) = -61 and solve for n

T(n) = 2 - 3n

-61 = 2 - 3n

-61-2 = -3n

-63 = -3n

-3n = -63

n = -63/(-3)

n = 21

Note that plugging in n = 21 leads to T(21) = -61, similar to how we computed the items back in part (i).

<h3>Answer:  21st term</h3>

===============================================

Part (iii)

We're given that T(n) = 2 - 3n

Let's compute T(2n). We do so by replacing every copy of n with 2n like so

T(n) = 2 - 3n

T(2n) = 2 - 3(2n)

T(2n) = 2 - 6n

Now subtract T(2n) from T(n)

T(n) - T(2n) = (2-3n) - (2-6n)

T(n) - T(2n) = 2-3n - 2+6n

T(n) - T(2n) = 3n

Then set this equal to 24 and solve for n

T(n) - T(2n) = 24

3n = 24

n = 24/3

n = 8

This means 2n = 2*8 = 16. So subtracting T(8) - T(16) will get us 24.

<h3>Answer: 8</h3>
4 0
3 years ago
What is 5 divided by 5
Triss [41]

Answer:

1

Step-by-step explanation:

You have 5 jelly beans and 4 imaginary friends

You have to split the jellybeans between yourself and your pretend friends.

Each of you gets 1 jellybean

(Except you get all the jellybeans because your friends don't exist)

Hope this helps :)

6 0
3 years ago
Someone help me giving brainliest plz show ur work
goldfiish [28.3K]

Answer:

19.65 left

Step-by-step explanation:

The total amount that he has is 3 * 12 =                   36 dollars.

From this he buys a CD for                          15.00

There is a 9% tax on 15 dollars 15*9/100 =   <u> 1.35</u>

Amount spent =                                                        <u> 16.35</u>

Amount left                                                               19.65

3 0
3 years ago
Read 2 more answers
A triangle has sides with lengths of 6 miles, 14 miles, and 15 miles. Is it a right triangle?
maks197457 [2]

Answer:

the triangle is not right angled traingle

Step-by-step explanation:

For a right angle triangle

a^{2} + b^{2} = c^{2}   where a is the base , b is the height and c is the hypotenuse

taking a= 6 b = 14 and c = 15

hence 6^{2} +14^{2} = 15^{2}

         36+196 = 232 which is not equal to 225

therefore the triangle is not right angled traingle

5 0
3 years ago
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