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Yuki888 [10]
2 years ago
11

Find the approximate area of the shaded region below, consisting of a right triangle with a circle cut out of it. Use 3.14 as an

Mathematics
1 answer:
Bogdan [553]2 years ago
4 0

Answer:

<h2>A</h2>

Step-by-step explanation:

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The sum of three consecutive odd integers is –87. What are the integers?
nirvana33 [79]
-30 -29 -28 is the correct answer



8 0
2 years ago
In China, where many couples were allowed to have only one child, the probability of a baby being a boy was 0.545. Among six ran
wariber [46]

Answer: 0.9738

Step-by-step explanation:

This is solved by the probability distribution formula for random variables where probability of determining random variable X is given by

P(X=r) = nCr * p^r * q^n-r

Where n = number of sample = 6

p = probability of success = 0.545

q = 1-p = 0.455

r = possible outcome from number of sample.

If 6 random births are chosen, Probability that at least 1 of them is a girl = 1 -[probability that none of them is a girl] = 1 - [probability that all 6 kids are boys]

Probability that all 6 kids are boys = 6C6 * 0.545^6 * 0.455^0 = 0.0262

Probability that at least one is a girl = 1 - 0.0262 = 0.9738.

6 0
3 years ago
Find the equation of the line.
Ymorist [56]

Answer:

y = 0,5 x + (-3)

Step-by-step explanation:

We can see from the graph that when y = -3, the line crosses y axis, therefore

y = ? x + (-3)

We can also spot that when x = 6, y = 0

// now mark ? sign as a variable k and put the given x and y values into the previous expression

y = k * x - 3

0 = k * 6 - 3

k * 6 = 3

k = 3/6

k = 0,5

3 0
2 years ago
Work out the area of this trapezium
skelet666 [1.2K]

Step-by-step explanation:

Area = ½ × b × h

= ½ × (7.9 + 10.8) × 6.2

= ½ × 18.7 × 6.2

= ½ × 115.94

= <u>5</u><u>7</u><u>.</u><u>9</u><u>7</u><u> </u><u>cm²</u>

So, the area of that trapezium is 57.97 cm²

<em>Hope </em><em>it </em><em>helpful </em><em>and </em><em>useful </em><em>:</em><em>)</em>

6 0
2 years ago
Solve the following equation: 28 ÷ 7 + 2 × 3 = ?
viva [34]
The answer is 10 I think :-) 
6 0
3 years ago
Read 2 more answers
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