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valkas [14]
3 years ago
14

How do I solve part b and c

Mathematics
1 answer:
OLEGan [10]3 years ago
4 0

Answer:

part a: 52%

part b: 0.4

part c: 0.24

Step-by-step explanation:

For part one, you find the frequency of the number of people that are less that 20. You add the number of tics in each bar and you divide by the total.

so for part a it is (7+6+9+4)/ (7+6+9+4+4+12+8)

for part b you add up the values that are greater than 25(less than 35)

(12+8)/total

part c you find the number of people between 25 and 30

that's 12

over total

12/total

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Help please thank you
butalik [34]
A - 2x^2 + 2x - 2

To find this, set up the equation:

(-x^2 + 6x - 1) + ( 3x^2 - 4x - 1)

With this, you need to combine like terms while taking into consideration the addition sign.

-x^2 + 3x^2 = 2x^2
6x + - 4x = 2x
- 1 + - 1 = - 2

Hope this helps!




7 0
3 years ago
ANYONE PLEASE HELP ME WITH MY MATH HOMEWORK I REALLY NEED THE ANSWER RIGHT NOW BECAUSE I HAVE TO PASS THIS TOMORROW MORNING I HO
AleksAgata [21]

Answer:

A, C, E

Step-by-step explanation:

Associative

Commutative

Exponent Property

I think that it the correct answer!

Have a great day/night :)

8 0
3 years ago
If one-third of a number, x, is greater than five less than twice the number, which of the following is true?
MakcuM [25]

Answer:

x= 15/7

Step-by-step explanation:

6 0
3 years ago
This is a fraction what is 5 wholes and 9/11 subtract 2/11 equal to pls tell me
nika2105 [10]
Tge answer is 5 7/11

4 0
3 years ago
What is the domain of the sine and cosine functions?
eimsori [14]

Answer:

domain of the sine and cosine functions is all real numbers

Step-by-step explanation:

range of both the sine and cosine functions is [−1,1]

graph can go left and right to infinity

graph goes up and down between 1 and -1

graph looks like a wave or

like U letters next to each other

UUUU

sine and cosine of an angle have the same absolute value as the sine and cosine of its reference angle.

mathlibretextsorg

8 0
2 years ago
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