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3 years ago

Can y’all help me it’s on Surface Area

Mathematics

1 answer:

Katarina [22]3 years ago

4 0

Answer:

i dont know what surface means but i could help you

if you mean the Face how is shown below its will be like this 6×3+3×2+6×2

and if you want the figure areas its will be like this 2×(6×3+6×2+3×2) hopefully its helpful

and can you tell me what ` sign means iam not good at engilish sorry about that

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What is the answer to this math problem

vesna_86 [32]

Hello from MrBillDoesMath!

Answer:

1/243

Discussion:

3^(-3) * 3^(-2) => as a^m * a^n = a^(m+n), the exponents add

= 3^ (-3 -2)

= 3^ (-5) =

= 1/ 3^5 => as 3^5 = 243

= 1/243

which is approximately .0041

Thank you,

MrB

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3 years ago

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Please help me answer all parts of question 3 in the photo.

Nookie1986 [14]

(i.) CA = πrl
CA = π (5*13)
CA = 65π

(ii.) TA = πrl + πr^2
TA = 65π + π (5^2)
TA = 65π + 25π
TA = 90π

(iii.) To get the height of the cone, you have to use the Pythagorean theorem. Plug in the radius for a and the slant height for c.

a^2 + b^2 = c^2
5^2 + b^2 = 13^2
25 + b^2 = 169 Height = 12
b^2 = 144
b = 12

(iv.) v = (1/3)πr^2h
v = (1/3)π(5^2)*12
v = (1/3)π(25*12)
v = (1/3)π*300
v = 100π

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3 years ago

A triangle has an area of 15. One of its sides has length 10. What is the length of the altitude to that side?

UNO [17]

Answer:

Im to lazy to calculate the entire answer but its basically the formula is a*b/2

Step-by-step explanation:

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What is the prime factor of 8

ExtremeBDS [4]

Prime factor is a factor that is a prime number.
Prime factors of :
8 : 2 × 2 × 2. Also can be written as
${2}^{3}$
12 : 2 × 2 × 3. Also can be written as
${2}^{2} \times 3$

20 : 2 × 2 × 5. Also can be written as
${2}^{2} \times 5$

30 : 2 × 3 × 5

56 : 2 × 2 × 2 ×7. Also can be written as
${2}^{3} \times 7$

70 : 2 × 5 × 7

You can find all of them by using Factor Tree [ as shown in the picture] or Dividing by prime numbers.

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notsponge [240]

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