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Natali [406]
3 years ago
9

Help help help help please

Mathematics
2 answers:
Galina-37 [17]3 years ago
6 0

Answer:

√157

Step-by-step explanation:

please mark me as brainlest

Eddi Din [679]3 years ago
4 0

Answer:

\sqrt{157}

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A. what is the probability that none of the workers is afraid that they will never be able to retire?
Sedbober [7]
Zero.   because every worker will be afraid of to be retiered 
6 0
3 years ago
PPPPPPPLLLLLEEEEAAASSEEE HHHEEELLLPPPPP!!!!!
VARVARA [1.3K]

Answer:

the answer is a

Step-by-step explanation:

2x +2(x-4)=87

2x+2x-8=87

4x-8=87

4x=95

x=95/4

8 0
4 years ago
Round 0.0564 to 1 significant figure​
OleMash [197]

Answer:

0.1

Step-by-step explanation:

anything after the decimal (.) becomes a sogfig

6 0
3 years ago
Read 2 more answers
Help me find the answer to this piecewise problem!! 20 Points !!!!
MrRissso [65]

Answer:

So we have x+3 if -3<=x<=-1

and                5   if   -1<=x<=1

Step-by-step explanation:

The one piece from -1 to 1 is horizontal so the line is in the form of y=a number.  It goes through 5 on the y-axis so the equation there is y=5.

From -3 to -1, that is a line with positive slope (since that part is increasing).

Slope=rise/run

We see from the filled in dot to the unfilled in dot that the rise is 2 and the run is 2 so the slope is 2/2=1.

So if we did extend this line where we go at on the y-axis?  It would go through 3 because starting from the unfilled dot and rising 1 and running 1 will get us to the 3 on the y-axis.

The equation of a line in slope-intercept form is y=mx+b.

We have m=1 and b=3 so the equation is y=1x+3 or just y=x+3.

So we have x+3 if -3<=x<=-1

and                5   if   -1<=x<=1

8 0
3 years ago
Read 2 more answers
An urn contains 12 balls, of which 4 are white.
wel

Answer:

a) \frac{1}{3}

b) \frac{4}{12}\,,\,\frac{4}{11}\,,\,\frac{4}{10}\,,...

Step-by-step explanation:

Number of balls in the urn = 12

Number of white balls in the urn = 4

So, number of balls which are not white = 12 - 4 = 8

We know that probability = No. of outcomes/Total number of outcomes

Let A_i\,,\,B_i\,,\,C_i denotes the event of getting white ball by A, B and C

a) each ball is replaced after being drawn.

Probability = Number of white balls/Total number of balls

Solution: P(A_i)=P(B_i)=P(C_i)=\frac{4}{12}=\frac{1}{3}

b)the balls that are withdrawn are not replaced.

Solution:

If A wins: P(A_1)=\frac{4}{12}=\frac{1}{3}

If A lost and B wins: P\left ( B_1|A_1^{c} \right )=\frac{4}{11}

If A and B lost and C wins: P\left ( C_1|A_1^{c}\,B_1^{c} \right )=\frac{4}{10}

and so on....

4 0
4 years ago
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