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larisa [96]
2 years ago
14

14 birds were sitting in a tree 21 more birds flew up to the tree how many birds were there altogether in the tree ?

Mathematics
2 answers:
kipiarov [429]2 years ago
8 0
They are now 35 birds sitting in a tree.
Bezzdna [24]2 years ago
3 0
There are 35 birds as 21 plus 12 is 35 so 35 birds are sitting on the tree
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In a test of a printed circuit board using a random test pattern, an array of 16 bits is equally likely to be 0 or 1. Assume the
Doss [256]

Answer:

A) b) and c) answer has been explained below.

Step-by-step explanation:

For the question would use 1's and 0's and taking probabilities to be equal for both using random test pattern whose formula is when p = q

then Simplify to

P[k] =  nCk /2^n

A.Probability that all bits are 1s

16c16/2^16 = 1/65536

B. Probability that all bits are 0s

16c0/2^16 = 1/65536

C.the probability that exactly 8 bits are 1s and 8 bits are 0s

16c8/2^16 = 12870/65536 =>0.1963 ≈ 19.63%

8 0
2 years ago
Which is the simplified form of x Superscript negative 12?
chubhunter [2.5K]

Answer:

C.\frac{1}{x^{12}}

Step-by-step explanation:

We are given that an expression

(x)^{-12}

We have to find the simplified form of given expression.

We know that

a^{-b}=\frac{1}{a^b}

Using the property then we get

x^{-12}=\frac{1}{x^{12}}

Hence, the simplified form of x^{-12} is given by

\frac{1}{x^{12}}

Option C is true.

5 0
2 years ago
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The table gives the probabilities that new cars of different models will have brake failure. The car model that is least likely
melamori03 [73]
<span>All the information we have are the probabilities, and what we need is the lowest number: so let's choose the smallest probability among the numbers: 0.0065%, B 0.0037%,C 0.0108%,D 0.0029%, E 0.0145%. The smallest of the numbers is 0.0029% -it starts with two 00s and the number that follows, 2, is smaller than all there others - so the smallest probability is in option D - and the model would be the corresponding model (but we're missing some information here) </span>
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2 years ago
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What's the angle of x?
vichka [17]

Answer:

60 as corresponding and alternate angles r equal

Step-by-step explanation:

3 0
1 year ago
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The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 9, 8, 12, 6, 10. What is th
cricket20 [7]

Answer:

She wrote 9 pages per day on average

Step-by-step explanation:

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:

Monday = 9

Tuesday =8

Wednesday = 12

Thursday = 6

Friday = 10

Mean = \frac{\text{Sum of all observations}}{\text{No. of observations}}\\Mean =\frac{9+8+12+6+10}{5}

Mean=9

Hence She wrote 9 pages per day on average

4 0
2 years ago
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