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grandymaker [24]
3 years ago
8

I'm going to bed goodnight everyone.​

Mathematics
1 answer:
pashok25 [27]3 years ago
7 0

goodnight                  

                                         

...............................

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A circle has a diameter of 16 inches. What is the circumference of the circle using function on the calculator?
Kobotan [32]

Answer: 50.26548 (50.27)

Step-by-step explanation:

Circumference = 2 x π x r(radius)

Diameter = 2 x r(radius)

C = π x 16 = 50.26548

3 0
3 years ago
What is the final amount if 865 is decreased by 16% followed by a 14% increase?
Harman [31]

Answer:

828.32

Step-by-step explanation:

865 x (1 - 0.16) x (1 + 0.14) = 828.32

6 0
4 years ago
Stan guessed on all 10 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that he
algol13

ANSWER
0.756

EXPLANATION

Let x represent number of correct answers.

We can find

   P(x = 0 \text{ or } x = 1)

which leads us to

   P(x\ge 2) = 1 - P(x = 0\text{ or }x = 1)

which uses the compliment of P(x = 0\text{ or }x = 1) to find the probability of getting at least 2 questions correct.

Note that since P(x=0) and P(x=1) are mutually exclusive, we have

   P(x = 0\text{ or }x = 1) = P(x=0) + P(x=1)

Then P(x=0) = 3^{10}/4^{10} = (3/4)^{10} as we have 3^{10} to answer the questions incorrectly divided by the total 4^{10} to answer the questions.

Exactly 1 answer correct: P(x=1) = {}_{10}C_1 \cdot(3/4)^9(1/4)^1

Therefore

   \begin{aligned}
P(x \ge 2) &= 1 - P(x = 0\text{ or }x =1) \\
&=1 - \big[P(x=0) + P(x=1)\big] \\
&=1 - \left[ (3/4)^{10} + {}_{10}C_1 \cdot (3/4)^9(1/4)^1 \right] \\
&\approx 0.756
\end{aligned}

4 0
3 years ago
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Erin made cookies in the shape of lions and giraffes. She made 24 lion cookies and 16
Vinvika [58]
Bru it’s .4 or 40%, 16/40
3 0
3 years ago
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Help me please lots of points
leva [86]
7. -40
14. 200

Is this the answer you were looking for?
3 0
3 years ago
Read 2 more answers
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