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myrzilka [38]
3 years ago
14

Which outcomes are in A or B ?

Mathematics
2 answers:
Mandarinka [93]3 years ago
7 0

B...........................

marishachu [46]3 years ago
4 0

Answer:

<em>  I think its B </em>

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The scores on an exam are normally distributed, with a mean of 82 and a standard deviation of 10. What percent of the scores are
Verdich [7]

Answer:a

a

Step-by-step explanation:

i took the test

4 0
3 years ago
An aeroplane at an altitude of 200m observes the angle of depression of opposite points on the two banks of a river to be 45 and
blagie [28]

Answer:

  84.5 m

Step-by-step explanation:

It is often helpful to draw a diagram for word problems involving geometric relationships. One for this problem is shown below.

The mnemonic SOH CAH TOA reminds you of the relationship between sides of a right triangle:

  Tan = Opposite/Adjacent

Here we're given angles of depression measured from the horizontal (as shown in the diagram), but it is more convenient to use angles measured from the vertical. In particular, ∠BAO is the complement of 60°, and its tangent is the ratio OB/OA:

  tan(30°) = OB/OA

  OB = (200 m)·tan(30°) ≈ 115.47 m . . . . . . multiply by OA, use OA=200 m

Likewise, we have ...

  OC = (200 m)·tan(45°) = 200 m

Then the width of the river is the difference between these values:

  BC = OC -OB = 200 m - 115.47 m = 84.53 m

4 0
3 years ago
(EXTRA POINTS) Which of the following relations is a function?<br><br><br><br> file in question
Taya2010 [7]
I think it is a I am not sure though
6 0
3 years ago
Help me plz it’s due today
professor190 [17]

Answer:

how to help u the picture is black

8 0
3 years ago
Given the following functions f(x) and g(x), solve f[g(10)] and select the correct answer below: f(x) = 10x + 8 g(x) = x + 9 2,0
ikadub [295]
ANSWER
f(g(10)) = 198

EXPLANATION

The given functions are;

f(x) = 10x + 8
and

g(x) = x + 9


To find
f(g(10))
we need to find

f(g(x)) = f(x + 9)


f(g(x)) =10(x + 9) + 8



f(g(x)) =10x + 90 + 8


f(g(x)) =10x + 98



f(g(10)) = 10(10) + 98


f(g(10)) = 100 + 98


f(g(10)) = 198


The last option is the correct answer
7 0
3 years ago
Read 2 more answers
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