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jenyasd209 [6]
4 years ago
11

I just need help with it all I don't know really what to do

Mathematics
1 answer:
Orlov [11]4 years ago
3 0

Answer:

Step-by-step explanation:

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How many centimeters is in 2 inches
Ilya [14]

2 inches is equal to 5.08 centimeters

Hope this helps you. :-)

5 0
4 years ago
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Given f’(x), where is f(x) increasing? Where is f(x) concave up?
Levart [38]

Answer:

See explanation below

Step-by-step explanation:

a. f(x) is increasing at (-∞, 1] and [7, ∞) because f'(x) is positive at those intervals.

b. f(x) is concave up at [4, ∞) because the slope of f'(x) or f''(x) is positive.

3 0
3 years ago
A particular car gets fuel mileage of 36 mpg in the city and 12% more on the highway.
liq [111]
40.32 mpg, because 36x.12=4.32 + 36= 40.32
5 0
3 years ago
A dolphin jumps out of the water with
Mandarinka [93]

Answer:

t=1.25\ sec

Step-by-step explanation:

we have

h(t)=-16t^{2}+20t

where

t is the time in seconds

h is the dolphin's height in feet

we know that

When the dolphin return to the water the value of h(t) is equal to zero

so

For h(t)=0

0=-16t^{2}+20t

16t^{2}=20t

Simplify

16t=20

t=\frac{20}{16}

t=\frac{5}{4}=1.25\ sec

see the attached figure to better understand the problem

3 0
3 years ago
There are 3 white balls, 7 red balls, and 5 green balls in a container. A ball is chosen at random. What is the probability of c
Kisachek [45]

Answer:

(p green) 1/3

(p red) = 1/2

Step-by-step explanation:

Add the number of balls together to get the total.

3 + 7 + 5 = 15

Find the probability of choosing green.

(p green) = 5/15

reduce by 5

(p green) 1/3

Since you kept the green ball, there are now a total of 14 balls.

Find the probability of choosing red.

(p red) = 7/14

reduce by 7

(p red) = 1/2

7 0
3 years ago
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