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Lesechka [4]
3 years ago
5

Please help !!!! UrGent !!!!

Mathematics
1 answer:
Anni [7]3 years ago
8 0

Answer:

C

Step-by-step explanation:

We see can estimate what angle Y will be with proportions.

length 1/angle 1=length 2/angle 2

19/85=23/Y

Solving for Y, we get 102.894

That gives us choice C.

Another way is to use elimination.

We know it isn't a straight line, so it's not D.

It can't be A or B, because the angle Y is clearly greater than angle P.

That leaves us with choice C.

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A researcher is interested in the lengths of Salvelinus fontinalis (brook trout), which are known to be approximately Normally d
kompoz [17]

Answer:

c. 0.1151

Step-by-step explanation:

d) the probability that, on average, fish are larger than 86 centimeters in length.The area under part of a normal probability curve is  directly proportional to probability and the value is calculated as

z = (x₁−x) /σ

where z = propability of normal curve

x₁ = variate mean = 86cm

x = mean of 80cm

σ = standard deviation = 5cm

applying the formula,

z= (86-80)/5

z = 6/5 =1.2

Using a table of partial areas beneath the standardized normal curve (see Table of normal curve, a z-value of 1.2 corresponds to an area of 0.3849 between the mean value. but, because the standard curve has 0.5, then will minus 0.3849 from 0.5= 0.5 - 0.3849 = 0.1151

Thus the probability of a fish are larger than 86 centimeters in length is 0.1151

5 0
3 years ago
Find two positive numbers whose product is 36 and whose sum is a minimum.
alukav5142 [94]
Let one of the numbers be x. The other number cab then be represented as 36-x (x+36-x = 36).
The product can then be represented as y = x(36-x) or y=36x-x2

The maximum or minimum is always on the axis of symmetry which has the formula x=-b/2a.
In our case, the axis of symmetry is -36/-2, so x=18.

If one number is 18 and the 2 numbers add to 36, the other number is 18 as well.
So the 2 numbers are 18 and 18 and the maximum product is 324,
8 0
3 years ago
Can y’all help me please !
Leviafan [203]

no because she turned it only 90 degrees not 180.

180 would be a mirror reflection

6 0
3 years ago
Joe's fun ad sun rents beach chiars. The store rented 300 beach chairs each month in April and in May. The store rented 600 beac
Nostrana [21]

Answer:I think is 900

Step-by-step explanation:bc 300+600=900 beach chairs

6 0
3 years ago
A serving tray is the shape of a rectangular prism without a top the dimentions of the tray or 8" by 10" by 2" what is the surfa
Tanzania [10]

Answer:

it's8

Step-by-step explanation:

3 0
3 years ago
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