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Sonbull [250]
3 years ago
9

effren recorded the number of students in each class level at highschool.based on his findings,what is the probability that a ra

ndomly selected student will be a freshman?

Mathematics
1 answer:
eimsori [14]3 years ago
4 0
The answer is C) 3/10
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jenna has 4 double fudge brownies to share with 5 people including yourself how can jenna share the brownies equally.
Oliga [24]

Answer:

4÷5=0.8      or    4/5

Step-by-step explanation:

6 0
3 years ago
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Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of
slega [8]
 <span>Let r(x,y) = (x, y, 9 - x^2 - y^2) 

So, dr/dx x dr/dy = (2x, 2y, 1) 

So, integral(S) F * dS 
= integral(x in [0,1], y in [0,1]) (xy, y(9 - x^2 - y^2), x(9 - x^2 - y^2)) * (2x, 2y, 1) dy dx 
= integral(x in [0,1], y in [0,1]) (2x^2y + 18y^2 - 2x^2y^2 - 2y^4 + 9x - x^3 - xy^2) dy dx 
= integral(x in [0,1]) (x^2 + 6 - 2x^2/3 - 2/5 + 9x - x^3 - x/3) dx 
= integral(x in [0,1]) (28/5 + x^2/3 + 26x/3 - x^3) dx 
= 28/5 + 40/9 - 1/4 
= 1763/180 </span>
6 0
3 years ago
PLZZZZ HEEEEEEELLLPPP MEEEEE!
lesantik [10]

Answer:

144 it is D

Step-by-step explanation:

8 0
2 years ago
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Use slopes and y-intercepts to determine if the lines 6x+y=−1 and −2x−5y=1 are parallel.
kobusy [5.1K]

Answer:

The two lines are not parallel.

Step-by-step explanation:

Every linear equation follows this structure:

y = mx + b

y is the y value

x is the x value

m is the gradient/slope of the line

b (or sometimes c) is the y-intercept of the line

Firstly, we have to get the y term on one side by itself.

6x + y = -1

-6x        -6x

y = -6x - 1

-2x -5y = 1

+2x         +2x

-5y = 2x + 1

Secondly, we make it so the y term is just the y value.

The first equation is already like this, so we don't need to do anything to that.

-5y = 2x + 1

÷ -5  ÷ -5

y = (2x + 1) / -5

This can be expanded and simplified to:

y = -2/5x - 1/5

Thirdly, we have to compare the slopes and y-intercepts.

y = -6x - 1

y = 2/5x - 1/5

If the slopes are the same and the y-intercepts are different, they are parallel. However, the slopes are different, therefore they are not parallel.

7 0
3 years ago
Jakes phone will play music for 12 hours on a full charge . He has been using it for 3 hours . What percent of a full charge is
iogann1982 [59]

Answer:

75%

Step-by-step explanation:

3/12 =1/4

so 1/4 of 100% = 75%

3 0
3 years ago
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