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2 years ago

PLEASE HELP!!! ILL GIVE BRAINLIEST

Mathematics

2 answers:

MakcuM [25]2 years ago

7 0

Answer:

*gives help*

Step-by-step explanation:

weeeeeb [17]2 years ago

5 0

I’m sorry I live in Canada- Toronto

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A meteorite is a solid piece of debris from an asteroid or comet that traveled from outer space to reach Earth's surface. There,

djverab [1.8K]

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Step-by-step explanation:

When iron reacts with air and water, it forms Iron (III) oxide, also known as rust, which is reddish-brown.

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3 years ago

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In ΔABC, the lengths of a, b, and c are 22.5 centimeters, 18 centimeters, and 13.6 centimeters, respectively.

Irina-Kira [14]

Given the values of the three sides of the triangle, we can apply the Cosine Law to find the angles of the triangle. Recall that for we can express the value of c through the equation below.

$c^{2} = a^{2} + b^{2} - 2abcosC$

Rearranging this equation, we can find the value ∠C as shown below.

$\cos C = \frac{a^{2}+b^{2}-c^{2}}{2ab}$
$C = cos^{-1} (\frac{a^{2}+b^{2}-c^{2}}{2ab})$

We can apply the same reasoning for finding the value of ∠B as shown.

$B = cos^{-1} (\frac{a^{2}+c^{2}-b^{2}}{2ac})$

Plugging in the values of the sides (see image attached) from the given. It will now be straightforward to compute for ∠B and ∠C.

$C = cos^{-1} (\frac{22.5^{2}+18^{2}-13.6^{2}}{2(22.5)(18)})$
$C \approx 37.19$

$B = cos^{-1} (\frac{22.5^{2}+13.6^{2}-18^{2}}{2(22.5)(13.6)})$
$B \approx 53.13$

Answer: ∠C = 37.19° and ∠B = 53.13°

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3 years ago

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Find the product please i need it ?

Ipatiy [6.2K]

Answer:a2=5 , a1=1 , a0=3, a5=2 , a4=5 , a3=2 , a6=0 , a10=5 , a9=3 , a8=8 , a7=2

Step-by-step explanation:

63 x 45=2835

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2 years ago

Evan is thinking of a number that contains the digit 2. The digit 2 in Evan's number has 10 times the value of the digit 2 in th

Len [333]

Answer:

200,000

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The number Evan could be thinking about is 200,000. I got this number because the value of the digit 2 in the number 328,907 is 20,000. Also, the number Evan is thinking about is 10 times the value of 20,000. So, I did 20,000 times 10 and got 200,000.

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2 years ago

Cindy's job is to check computer printers for defects. Out of 420 printers she has to check, only 3 of the first 84 have been de

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46% printers are defective = 106 printers defective

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3 years ago