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Vilka [71]
3 years ago
7

A sample of 4 different calculators is randomly selected from a group containing 19 that are defective and 36 that have no defec

ts. what is the probability that at least one of the 4 calculators in the sample is defective?
Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
6 0
<span><span>The probability of all calculators having no defects is 16.8%. The probability of at least one defect is the complement of that probability. 
ie an 83.2% probability of at least one defect.</span><span>
</span></span>
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15 ‒ 5x = 6x + 3 – 2x
LenKa [72]

Answer:

x = 4/3

Step-by-step explanation:

15 - 5x = 6x + 3 - 2x

In this kind of equation, we try to seperate the x's and the numbers.

So we add 5x to both sides and subtract 3 from both sides to seperate these values

15 - 3 - 5x + 5x = 6x + 3 - 3 - 2x + 5x

=> 12 = 9x

=> 12/9 = x

=> 4/3 = x

=> x = 4/3

To check, we can plug this in.

15 - 5(4/3) = 6(4/3) + 3 - 2(4/3)

15 - 20/3 = 24/3 + 3 - 8/3

45/3 - 20/3 = 24/3 + 9/3 - 8/3

25/3 = 25/3

So our answer works.

7 0
3 years ago
Which math expression means "33 more than an unknown number"?
Natalija [7]
C is the answer it’s supposed to be X+33
6 0
3 years ago
Sheri is making 4 pounds of mixed nuts. She will use One-third the amount of macadamia nuts as she does almonds. A graph titled
notsponge [240]

1 pound of macadamia nuts; 3 pounds of almonds of each nut will she use.

Given that,

Sheri is making 4 pounds of mixed nuts.

She will use One-third the number of macadamia nuts as she does almonds.

A graph titled Sheri's mixed nut recipe has pounds of macadamia nuts on the x-axis, and pounds of almonds on the y-axis. 2 lines intersect at (1, 3).

We have to find,

How many pounds of each nut will she use?

According to the question,

Total mixed nuts are 4 pounds,

She will use One-third the number of macadamia nuts as she does almonds.

2 lines intersect at (1, 3).

Therefore,

Sheri's mixed nut recipe has pounds of macadamia nuts on the x-axis,

At x-axis, the point 1 lies.

So, macadamia nuts have 1 pound.

And pounds of almonds on the y-axis,

At y-axis, the point 3 lies.

So, almond nuts have 3 pounds.

Hence, 1 pound of macadamia nuts; 3 pounds of almonds of each nut will she use.

For more details about Graphs refer to the link given below.

brainly.com/question/9351049

8 0
3 years ago
Read 2 more answers
Seth walks 1 1/4 miles in 5/12 hour. what is seth's unit rate?
Semmy [17]
2 1/12 you do 1 1/4 divided by 5/12 which gives you 2 1/12. Also unit rate is asking the first rate.....
6 0
3 years ago
Read 2 more answers
Nate walks 25 meters in 13.7 seconds. If he walks at this same rate, which of the following is closest to the distance he will w
maria [59]
25m=13.7((4*60))
25m=13.7(240)
25m=3288
m=131.52
The correct answer is A)
Well that's what I guess.
5 0
4 years ago
Read 2 more answers
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