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sammy [17]
3 years ago
6

Help plz I’ll mark brainliest

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
7 0

Answer:

C

Step-by-step explanation:

There is absolutely no correlation between class size and number of absences.

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If f(x)=5x^3 and g(x)=x+1, find (f•g)(x)
alukav5142 [94]

Hello from MrBillDoesMath!

Answer:

5 x^3 + 15 x^2 + 15 x + 5 , none of the provided choices

Discussion:

f(x) = 5 x^3

g(x) = x+ 1  

=>

(f•g)(x) =

f(g(x)) =

f(x+1) =

5 * (x+1)^3 =

5 x^3 + 15 x^2 + 15 x + 5

which is none of the provided answers.

Thank you,

MrB

5 0
2 years ago
If you have a 12 side die and a 6 side die what is the probrability it lands on 5
umka2103 [35]

Answer:

For the 12 sided one it would be 1/12

For the 6 sided one it would be 1/6

Combine those together and it would be <u>3/12</u> which is equal to <u>1/4</u>

Step-by-step explanation:

5 0
2 years ago
What is the surface area of a conical grain storage tank that has a height of 37 meters and a diameter of 16 meters? Round the a
jek_recluse [69]
The surface area of a cone is equal to the base plus the lateral area.

The base is a circle, and has a diameter of 16 meters.
The radius is always half the diameter, so it is 8 meters.
The area of a circle = πr², where r is the radius. π(8)² = 64π ≈ 201.06193
The area of the base is ≈ 201.06193.

To find the lateral area of the cone, we need to find the slant height.
Since the height, radius, and slant height of the cone form a right triangle, we can use the Pythagorean Theorem to find the slant height with what we are given.
radius² + height² = slant height²
8² + 37² = slant height²
64 + 1369 = slant height²
1433 = slant height²
slant height = √1433

The lateral area of a cone is equal to πrl, where r = radius and l = slant height.
πrl = π(8)(√1433) ≈ 951.39958
(there are other formulas which do the same thing, but it doesn't matter.)

Now we add the lateral area and base together to find our surface area.
201.06193 + 951.39958 = 1152.46151 which rounds to C. 1,152 m².
8 0
3 years ago
In​ 2006, the population of the country was 30.4 million. This represented an increase in population of 7.6 % since 2001. What w
Molodets [167]

Answer:

28.25 million

Step-by-step explanation:

Population of the country:

  • in 2001 - x million
  • in 2006 - 30.4 million

Population of the country as percent:

  • in 2001 - 100%
  • in 2006 - 100% + 7.6% = 107.6%

Write a proportion:

\dfrac{x}{30.4}=\dfrac{100}{107.6}

Cross multiply:

107.6\cdot x=30.4\cdot 100

Divide by 107.6:

x=\dfrac{30.4\cdot 100}{107.6}=\dfrac{3,040}{107.6}\approx 28.25

6 0
3 years ago
How many letters are in this sentence that you are reading right now?
Mila [183]

Answer:

56 letters

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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