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brilliants [131]
3 years ago
14

if a rifleman averages 8 hits out of 10 shots at a target, what is the probability that he will hit the target in 3 out of 4 sho

ts
Mathematics
1 answer:
ivann1987 [24]3 years ago
3 0
Use binomial distribution
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Evaluate 207.3×0.04​
Xelga [282]

Let's first just do the multiplication and ignore the decimal points.

2073 x 4 = 8292.

Now there are 3 decimal points we need to consider. So, that gives us an answer of 8.292

:)

6 0
4 years ago
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At what rate has she been making deposits to her savings?
Savatey [412]

Answer:

20 dollars per month

Step-by-step explanation:

85 = 25 + x3

60 = x3

20 = x

3 0
3 years ago
Solve for x in the equation x2 + 14x+17--96
Veseljchak [2.6K]

Answer:

Option B.

Step-by-step explanation:

If a quadratic equation is defined as ax^2+bx+c=0, the by quadratic formula

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

Consider the given equation is

x^2+14x+17=-96

We need to find the value of x.

Add 96 on both sides.

x^2+14x+17+96=-96+96

x^2+14x+113=0

Here, a=1, b=14 and c=113. Using quadratic formula we get

x=\dfrac{-14\pm \sqrt{14^2-4(1)(113)}}{2(1)}

x=\dfrac{-14\pm \sqrt{-256}}{2(1)}

x=\dfrac{-14\pm \sqrt{256}\sqrt{-1}}{2}           (\sqrt{-1}=i)

x=\dfrac{-14\pm 16i}{2}

x=-7\pm 8i

The value of x are x=-7 + 8i and x=-7 - 8i.

Therefore, the correct option is B.

8 0
3 years ago
We know that a token costs $1.75. If you purchase 10 tokens, you get 2 free tokens. Write and solve an equation to find the appr
Bad White [126]

Answer:

c=(10)($1.75)/12

c=$17.50/12

c=$1.458 which rounds to $1.46 per token

3 0
3 years ago
Plz help!I don’t understand
Alla [95]
H is the correct choice.

The diagram means that parallelograms come in two kinds: rectangles and rhombuses.

So,
.. all rhombuses are parallelograms
.. all rectangles are parallelograms
.. no rectangles are rhombuses
This diagram only recognizes parallelograms that are rectangles and rhombuses. There are also other kinds of parallelograms, but those are not shown here.
7 0
4 years ago
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