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sineoko [7]
2 years ago
13

Solve for x in the following figure and choose the appropriate result.

Mathematics
2 answers:
Elenna [48]2 years ago
4 0

Answer:

45

Step-by-step explanation:

180 - 45 = 135

3x = 135

X = 45

AnnZ [28]2 years ago
4 0
The correct answer is d hope this helps
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One day, eleven babies are born at a hospital. Assuming each baby has an equal chance of being a boy or girl, what is the probab
Andrews [41]
You only need to consider the situations where 10 or 11 of the babies are girls, then subtract those probabilities from 1.  This will give probability that any other number up to 9 of the babies are girls.

Use binomial theorem.
P(x=k) = (nCk) p^k (1-p)^{n-k}

n = 11
k = 10,11
p = 1/2

P(x=10) = 11 (\frac{1}{2})^{11} = \frac{11}{2048} \\  \\ P(x=11) = 1(\frac{1}{2})^{11} = \frac{1}{2048} \\  \\ P(x \leq 9) = 1 - \frac{11}{2048} - \frac{1}{2048} \\  \\ P(x \leq 9)=\frac{2036}{2048} = \frac{509}{512}
4 0
3 years ago
Please help i give brainly
ArbitrLikvidat [17]
What they said^ lolllllllllll
5 0
3 years ago
Do 3/7 and 7/3 represent the same length on a number line?
Anna [14]
No 3/7 do not represents the same length on the number line
5 0
3 years ago
Read 2 more answers
A square garden has 49 square feet. So the perimeter of the garden must be----feet.
lianna [129]

The side length of a square is the square root of the area:

Side length = √49 = 7 feet.

The perimeter of a square is 4s = 4*7 = 28 feet.

7 0
3 years ago
Read 2 more answers
Y is inversley proportionaly to x. when y=7, x=9
mrs_skeptik [129]

The equation is y = 63/x

And y = 3 when x=21

Step-by-step explanation:

When y varies inversely with x, The inverse proportion is given by:

y ∝1/x

When the proportionality symbol is removed, a constant of proportionality is introduced

y = \frac{k}{x}

Putting y = 7 and x = 9

7 = \frac{k}{9}\\k = 9*7\\k = 63

So,

y = \frac{63}{x}

Putting x =21

y = \frac{63}{21}\\y = 3

Hence,

The equation is y = 63/x

And y = 3 when x=21

Keywords: Proportion, variables

Learn more about proportion at:

  • brainly.com/question/11220787
  • brainly.com/question/11131690

#LearnwithBrainly

8 0
3 years ago
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