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creativ13 [48]
3 years ago
15

I really don't understand Logarithms. I just need help on how to do them. Can you help?

Mathematics
1 answer:
Jlenok [28]3 years ago
6 0
Example: How many 2s do we multiply to get 8?

Answer: 2 × 2 × 2 = 8, so we needed to multiply 3 of the 2s to get 8

So the logarithm is 3

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A bicycle wheel travels 321 in for each revolution. What is the radius of the wheel ​
Sliva [168]

Answer:

51.1 ≈ r

Step-by-step explanation:

"A bicycle wheel travels 321 in for each revolution"- means that 321 is the circumference of the wheel that is a circle.

C = 2· π· r

What is the radius of the wheel ​?

321 = 2· π· r, divide both sides of the equation by 2 π

(321/2·π) = r , use calculator, solve and round the answer

51.1 ≈ r

4 0
2 years ago
What is the exact volume of the cylinder?
egoroff_w [7]
The formula for a cylinder is πr²*h where r is the radius and h is the height:

1.) Plug in r for 4, as the radius is 4
π(4)²*h

2.) Plug in h for 8, as the height is 8
π(4)²*8

3.) Simplify 4²
π(16)8

4.) Simplify 16*8
π128

5.) Don't forget your units, inches cubed (because you multiplied three dimensions all with inches, which results in the inches being multiplied three times as well)
π128 in³ or 128πin³

It is the third answer choice, hope this helped :)
4 0
4 years ago
Read 2 more answers
The top missing part of the screenshot says : Every year, a dog sled race is held in Alaska and is approximately 1,150 miles in
Molodets [167]

Answer:

-The equation that represents the approximate distance Aaron's dog sled team travels over time is Y = 5.32X.

-The equation that represents the approximate distance Dallas' dog sled team travels over time is Y = 5.48X.

-The equation that represents the approximate distance Mitch's dog sled team travels over time is Y = 5.42X.

Step-by-step explanation:

Given that every year, a dog sled race is held in Alaska and is approximately 1,150 miles in distance, based on the listed information, the speed rate of every racer is:

Aaron = 575 miles in 4 days and 12 hours = 575 miles in 108 hours = 5.32 mph

Dallas = 1,150 miles in 8 days and 18 hours = 1,150 miles in 210 hours = 5.476 mph

Mitch = 287.5 miles in 2 days and 5 hours = 287.5 miles in 53 hours = 5.42 mph

Therefore, the correct answers are:

-The equation that represents the approximate distance Aaron's dog sled team travels over time is Y = 5.32X.

-The equation that represents the approximate distance Dallas' dog sled team travels over time is Y = 5.48X.

-The equation that represents the approximate distance Mitch's dog sled team travels over time is Y = 5.42X.

6 0
3 years ago
How do you solve 5x +x
34kurt
If you are just simplifying it it would be 6x because it's 5x plus one more x but if you are trying to find x then I have no idea
4 0
3 years ago
Read 2 more answers
The base of a triangle is 4 cm greater than the
Anna35 [415]

Answer:

Step-by-step explanation:

Formula for area of a triangle:

Height x Base /2

Base (b) = h +4

Height = h

h + 4 x h /2 = 30cm

=> h +4 x h = 60

=> h+4h =60

=> 5h = 60

=> h = 12

Height = 12

Base = 12 +4 = 16

4 0
3 years ago
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