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Butoxors [25]
4 years ago
6

What is two over eight minus 1 over 2

Mathematics
2 answers:
Vika [28.1K]4 years ago
4 0
I’m pretty sure it’s -0.25
avanturin [10]4 years ago
3 0

The answer is -1/4 I’m in 11th grade trust me

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Could JKL be congruent to XYZ? Explain.
Aloiza [94]

Answer:

The could be congruent since the have an equal side length and when XYZ gets rotated it can get mapped on to JKL

Step-by-step explanation:

hope this helpsss

4 0
3 years ago
Read 2 more answers
This is due today, and I have no idea what I'm doing, please help if you know anything.
defon

Binomial distribution formula: P(x) = (n  k) p^k * (1 - p)^n - k

a) Probability that four parts are defective = 0.01374

P(4 defective) = (25 4) (0.04)^4 * (0.96)^21

P(4 defective) = 0.01374

b) Probability that at least one part is defective = 0.6396

Find the probability that 0 parts are defective and subtract that probability from 1.

P(0 defective) = (25 0) (0.04)^0 * (0.96)^25

P(0 defective) = 0.3604

1 - 0.3604 = 0.6396

c) Probability that 25 parts are defective = approximately 0

P(25 defective) = (25 25) (0.04)^25 * (0.96)^0

P(25 defective) = approximately 0

d) Probability that at most 1 part is defective = 0.7358

Find the probability that 0 and 1 parts are defective and add them together.

P(0 defective) = 0.3604 (from above)

P(1 defective) = (25 1) (0.04)^1 * (0.96)^24

P(1 defective) = 0.3754

P(at most 1 defective) = 0.3604 + 0.3754 = 0.7358

e) Mean = 1 | Standard Deviation = 0.9798

mean = n * p

mean = 25 * 0.04 = 1

stdev = \sqrt{np(1-p)}

stdev = \sqrt{(25)(0.04)(1-0.04)} = 0.9798

Hope this helps!! :)

7 0
3 years ago
To build a large sandcastle, Sam and old traffic cone and fills it with sand. The cone is 18 in. tall and has a diameter of 7 in
slamgirl [31]
I think the answer is C.
5 0
3 years ago
The diameter of a circle has endpoints (-3, 2) and (3, -2) which is closest to the length of the diameter of the circle?
arlik [135]
D=√((x2-x1)²+(y2-y1)²)

D=√((x2-x1)²+(y2-y1)²) = √(3-(-3))²+(-2-2)²) = √(6² + 4²)=√(36+16)=√52
D=2√13≈7.21

8 0
4 years ago
Read 2 more answers
What is 60.75 x 4/5=
seraphim [82]

Answer:

Step-by-step explanation:

4/5=0.8

60.75*0.8=48.6

7 0
3 years ago
Read 2 more answers
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