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3 years ago

Pls help need help ASAP 50 points you will be reported if the answer is wrong

Mathematics

2 answers:

Nataly [62]3 years ago

5 0

Answer:

Part A:

10in = 35 ft

20in = 70 ft

Part B:

$ 178.50

Step-by-step explanation:

Hope I helped (p.s. maybe brainliest answer)

aev [14]3 years ago

4 0

Answer:

Part A = 10in = 35 ft

= 20 = 70 ft

Part B =

$ 178.5

Step-by-step explanation:

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The probability that a lab specimen contains high levels of contamination is 0.10. A group of 4 independent samples are checked.

galben [10]

Answer:

a) 0.6561

b) 0.2916

c) 0.3439

Step-by-step explanation:

We are given the following information:

Let us treat high level of contamination as our success.

p = P(High level of contamination) = P(success) = 0.10

n = 4

The, by binomial distribution:

$P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}\\\text{where x is the number of success}$

a) P(No high level of contamination)

We put x = 0, in the formula.

$P(X=0) = \binom{4}{0}.(0.10)^0.(1-0.10)^{4} =0.6561$

Probability that no lab specimen contain high level of contamination is 0.6561

b) P(Exactly one high level of contamination)

We put x = 1, in the formula.

$P(X=1) = \binom{4}{1}.(0.10)^1.(1-0.10)^{3} =0.2916$

Probability that no lab specimen contain high level of contamination is 0.6561

c) P(At least one contains high level of contamination)

$p(x \geq 1) = 1 - p( x = 0) = 1 - 0.6561 = 0.3439$

Probability that at least 1 lab specimen contain high level of contamination is 0.3439

8 0

2 years ago

Distance between two points ( phythagorean thereorm)

Ilya [14]

What are the points?

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2 years ago

Can someone help me please

Nitella [24]

Answer:

16 units

Step-by-step explanation:

The perimeter is the sum of the lengths

Add up the lengths as shown

3+2+1+2+3+1+1+3

16 units

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2 years ago

What is the perimeter of the parallelogram

vfiekz [6]

Answer:

Step-by-step explanation:

p= l+l+w+w

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2 years ago

given the equation y-5=5x determine whether the points (2,12) and (-2,-5) are a solution on the graph

Flura [38]

(x,y)
sub points to see if we get true statemtn

(2,12)
x=2 and y=12

12-5=5(2)
7=10
false
no, (2,12) is not a point

(-2,-5)
x=-2
y=-5

-5-5=5(-2)
-10=-10
true
(-2,-5) is a soltuion

(-2,-5) is the only solution given that works

6 0

2 years ago