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Katen [24]
3 years ago
7

Help graph questions. (20 points)

Mathematics
2 answers:
Setler79 [48]3 years ago
5 0
First, we need the total number of people that used transportation. 
8+20+20+32 = 80
Next, we can make a ratio that represents the number of people who used bikes out of the total number of people. 8/80. Next, we set this equal to the ratio x/100 with x being the percent of people who used a bike.
8/80 = x/100
Finally, we solve for x. 
(100*8)/80 = x
800/80 = x10 = x
x equals 10, meaning 10% of people surveyed used a bike to get to the park.

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Romashka [77]3 years ago
3 0
15 percent
Its 15 percent for the reason that I th k it’s is
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If sin A = 6 over 13, then which of the following is correct?
Inessa [10]
Answer is B. CSC A= 13 over 6
You need to learn these basic rules:
Sin is opposite csc
Cos is opposite sec
Tan is opposite Cot
In saying this, CsC is the reciprocal for Sin. You would have to switch the numerator and denominatior to get your answer
4 0
3 years ago
mary went to her local Zoo where 55% of it's exhibit feature reptiles if the zoo features 20 exhibits in total how many of the z
IceJOKER [234]
Hello!

To find this you have to find what 55% of 20 is

You can do this by doing 20 * 0.55

0.55 is 55% as a decimal

This gives us the answer of 11

Hope this helps!
8 0
3 years ago
Read 2 more answers
I don't know how to solve it.
Nataly [62]

Step-by-step explanation:

Take the first derivative

\frac{d}{dx} ( {x}^{3}  - 3x)

3 {x}^{2}  - 3

Set the derivative equal to 0.

3 {x}^{2}  - 3 = 0

3 {x}^{2}  = 3

{x}^{2}  = 1

x = 1

or

x =  - 1

For any number less than -1, the derivative function will have a Positve number thus a Positve slope for f(x).

For any number, between -1 and 1, the derivative slope will have a negative , thus a negative slope.

Since we are going to Positve to negative slope, we have a local max at x=-1

Plug in -1 for x into the original function

( - 1) {}^{3}  - 3(  - 1) = 2

So the local max is 2 and occurs at x=-1,

For any number greater than 1, we have a Positve number for the derivative function we have a Positve slope.

Since we are going to decreasing to increasing, we have minimum at x=1,

Plug in 1 for x into original function

{1}^{3}   - 3(1)

1 - 3 =  - 2

So the local min occurs at -2, at x=1

8 0
2 years ago
Experts/ace/geniuses helpp
Bas_tet [7]
The irrational number would be square root 15
6 0
2 years ago
Im pretty sure it’s right , just need someone to confirm it is
djyliett [7]
It’s correct. i like your handwriting btw, it’s really pretty
4 0
3 years ago
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