2 years ago

ABC is a right-angled triangle

Mathematics

1 answer:

shtirl [24]2 years ago

3 0

Answer:

509.380

Step-by-step explanation:

According to Pythagoras,

(19.3)^2 + (11.7)^2 = 509.380

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Subtract -1 3/5 - ( -2 7/8) Enter your answer as a simplified fraction by filling in the boxes

vredina [299]

The answer is 51/40=1 and 11/40

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2 years ago

3. Suppose the mystery bag had resulted in the following number of red chips. Using the simulated sampling distributions found e

Vinvika [58]

Answer:

a) 0.172

b) 0.167

c) 0.1404

Step-by-step explanation:

Margin of error, E = $2\times\sqrt{\frac{p(1-p)}{n}}$

here,

p = probability of the event

n = sample size

a) n = 30

p = 10 ÷ 30 = 0.333

Therefore,

E = $2\times\sqrt{\frac{0.333(1-0.333)}{30}}$

= 2 × 0.0861

= 0.172

b) n = 30

p = 21 ÷ 30 = 0.7

Therefore,

E = $2\times\sqrt{\frac{0.7(1-0.7)}{30}}$

= 2 × 0.0836

= 0.167

c) n = 30

p = 22 ÷ 50 = 0.44

Therefore,

E = $2\times\sqrt{\frac{0.44(1-0.44)}{50}}$

= 2 × 0.0702

= 0.1404

3 0

3 years ago

Write -0.37 as a quotient of integers to show that it is rational

Zina [86]

Answer:

-37/100

Step-by-step explanation:

Here, we want to write -0.37 as a quotient of integers

What we are saying is that we want to write it as a fraction of two numbers

That would be;

-0.37 = -37/100

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2 years ago

If 12 +22+ 32 +

kakasveta [241]

Answer:

Step-by-step explanation:

the 2nd equation is double the first one and the first one is 1

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2 years ago

ANYONE PLEASE HELP ME ANSWER THIS QUESTION AND I'LL GIVE THE BRAINLIEST TO SOMEONE.

Roman55 [17]

It will take her 5 months because you do 50divided by 12 because there is 12 months in a year

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3 years ago

ABC is a right-angled triangle​

ABC is a right-angled triangle