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Savatey [412]
3 years ago
8

Where do I find math class? . . . there are 10 doors only 2 that could be it.SIMPLE MATH x'D

Mathematics
1 answer:
Alla [95]3 years ago
4 0

Answer:

this is simple math but i dont know ssksks

Step-by-step explanation:


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Simplify (b^4)^3 A.B^9 B.B^3 C.B D.B^12
natulia [17]

(b^4)^3


To simplify when something is raised to two different exponents, multiply the two exponents together:

4 * 3 = 12

You now have b^12.


The answer is D.


6 0
3 years ago
Find the surface area of a water tower that is 40 feet tall and has a diameter of 20 feet.
Ganezh [65]

Answer:

The surface area is 3140 feet².

What is Surface Area?

Surface area is the amount of space covering the outside of a three-dimensional shape.

Given that:

Diameter = 20 feet

radius =  20 ÷ 2 = 10 feet

Now, Surface area  will be,

=2πr²+ 2πrh

= 2 × 3.14 × (10)² + 2 × 3.14 × 10 × 40

= 6.28  × 100  + 6.28  × 400

= 628 + 25.12  × 100

= 628+ 2512

= 3140 feet²

hence, the surface area is 3140 feet².

Step-by-step explanation:

6 0
2 years ago
Identify which type of sampling is used. The name of each contestant is written on a separate card, the cards are placed in a ba
Alexus [3.1K]

Answer: E simple random

Step-by-step explanation:

A simple random sample in a statistics is a subset of individuals chosen from a larger set. Each individual is chosen randomly and entirely by chance, such that each individual has the same probability

7 0
3 years ago
The perimeter of the rectangle is 20\text{ cm}20 cm20, start text, space, c, m, end text. One side is 6\,\text{cm}6cm6, start te
Tamiku [17]

Answer: The lenght of the missing side is 4 cm

Step-by-step explanation:

The correct question is:

<em>The perimeter of the rectangle is 20cm . One side is 6cm. What is the length of the missing side?</em>

So, to answer it we have to apply the next formula:

Perimeter of a rectangle = 2 width + 2 length

Replacing with the values given: (assuming that the side given is the length of the rectangle)

20 = 2(6) + 2x

Solving for x:

20 =12 +2x

20-12 =2x

8 =2x

8/2 =x

4=x

The length of the missing side is 4 cm

Feel free to ask for more if needed or if you did not understand something.  

3 0
3 years ago
Read 2 more answers
Please help! <br> Identify the type of correlation that is present in the scatter plot.
vladimir1956 [14]

Answer:

No correlation

Step-by-step explanation:

There is not a positive line of dots

There is not a negative line of dots

so that means there is no correlation

4 0
3 years ago
Read 2 more answers
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