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Svetlanka [38]
2 years ago
12

Answer fast (dont just use for points)

Mathematics
1 answer:
andrew-mc [135]2 years ago
4 0

Answer:

The chance you won't be the hobbit or have the umbrella is 26%

Step-by-step explanation:

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Kate and Jean paint a house together in 6 days. If they work alone, Kate takes 5 fewer days than Jean would take to do the same
ELEN [110]
Katework+jeanwork=6
work alone
Katework=-5+Jeanwork
ad 5 to both sides
Katework+5=jeanwork
subsitute 5+katework for jeanwork
5+katework+kateworkwork=6
subtract 5 from both sides
2katework=1
divide both sides by 2
katework=0.5days

equation would be
jeanwork+katework=6 and
katework=jeanwork-5 are the equations

5 0
3 years ago
Which equation has a zero slope and y-intercept of -2?
slava [35]

Answer:

It is D

Step-by-step explanation:

6 0
3 years ago
Bonnie runs at an average speed 4 metres per second for 240 seconds.
telo118 [61]

Answer:

960 metres in 240 seconds.

Step-by-step explanation:

this is because they can run 4 metres every second.

the number of seconds they ran multiplied by the length of their run in a second is your answer.

240 x 4 = 960

6 0
2 years ago
Read 2 more answers
The number of electrical outages in a city varies from day to day. Assume that the number of electrical outages ( x ) in the cit
svlad2 [7]

Answer:

0.26 and 0.577

Step-by-step explanation:

Given :

x :___0 ___ 1 ____ 2 ____ 3

f(x):_0.80 _0.15__0.04 __0.01

The mean :

E(X) = Σ(x * p(x))

E(X) = (0*0.8) + (1*0.15) + (2*0.04) + (3*0.01)

E(X) = 0 + 0.15 + 0.08 + 0.03

E(X) = 0.26

Var(X) = Σx²*p(x)) - E(x)²

Σx²*p(x)) = (0^2*0.8) + (1^2*0.15) + (2^2*0.04) + (3^2*0.01) = 0.4

Σx²*p(x)) - E(x)² = 0.4 - 0.26² = 0.3324

Std(X) = √0.334 = 0.577

7 0
3 years ago
Identify whether the function graphed has an odd or even degree and a positive or negative leading coefficient.
sukhopar [10]

Answer: odd and positive

How to find number of degrees: Count the number of turns and add one. In this case you have 4 curves, so 4+1= 5.

How to find leading coefficient: look at the RIGHT side of the graph, the arrow is going towards positive infinity, thus making the leading coefficient positive.

4 0
3 years ago
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