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earnstyle [38]
3 years ago
11

Can some one help me with some math problems

Mathematics
1 answer:
Tatiana [17]3 years ago
4 0
It's C, Y = 2x + 3. This is cause, if we use the table and say that y = 5 and x = 1, then 5 = 1 x 2 + 3 which is correct
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Abel Alonzo, Director of Human Resources, is exploring employee absenteeism at the Plano Power Plant. Ten percent of all plant e
Alex17521 [72]

Answer: 0.23

Step-by-step explanation:

Given : F is the event "works in the finishing department;"

and A is the event "is absent excessively."

Given : 10% of all plant employees work in the finishing department; 20% of all plant employees are absent excessively; and 7% of all plant employees work in the finishing department and are absent excessively.

i.e. P(A)= 0.20 ;  P(F)=0.10 ; P(A ∩ F) = 0.07

We know that P(X\cup Y)=P(X)+P(Y)-P(X\cap Y)

Then,

P(A\cup F)=P(A)+P(F)-P(A\cap F)\\\\\Rightarrow\ P(A\cup F)=0.20+0.10-0.07=0.23

Hence, the required answer is P(A\cup F)=0.23

5 0
3 years ago
I need help geometry final part 1
joja [24]

Answer:

See below

Step-by-step explanation:

1. Given

2. Given

3. Definition of supplementary angles (add up to 180)

4. Substitution Property (substitute 112 in for angle 1)

5. Subtraction Property (subtract 112 from both sides)

4 0
2 years ago
Read 2 more answers
The hot air balloon is at 175ft and the fish is swimming at -10 feet what is the difference between them?
pashok25 [27]
The answer is 165 ft because 175- -10= 165
8 0
3 years ago
Read 2 more answers
According to data from the state blood program, 40 percent of all individuals have group A blood. Suppose that of six randomly s
Svet_ta [14]

Answer:

b. Yes, probability is > 0.05

Step-by-step explanation:

We have to find P(X=3) and if the probability is below 0.05 then the it would be unusual and if it isn't below 0.05 we believe that the data from the blood program.

This probability can be found bu binomial distribution  with parameters  n=6

and p=0.4.

P(X=x)=nCx(p^x)(q^n-x)

where q=1-p=1-0.4=0.6.

P(X=3)=6C3(0.4^3)(0.6^3)

P(X=3)=20(0.064)(0.216)

P(X=3)=0.27648

As the probability that the three have a blood group is greater than 0.05, so,  we believe that the data from the blood program.

8 0
3 years ago
Rewrite this sequence using exponents 1; 10; 100; 1000 ; 10000
11111nata11111 [884]

Exponents are numbers that are compressed. These numbers are simplified by finding a number that when multiplied by itself multiple times will get to the original number.

This sequence can be rewritten as:

10⁻¹; 10¹; 10²; 10³; 10⁴

5 0
3 years ago
Read 2 more answers
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