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3 years ago

My index finger is 3.2in long... so in cm is it 8.128cm?

Mathematics

2 answers:

kiruha [24]3 years ago

8 0

Yes that is correct..

BartSMP [9]3 years ago

4 0

There are 2.54 centimeters in 1 inch. But 8.128 centimeters in 3.2 inches. So, yes you are correct.

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Solve the system: 2x+6y=36 x+4y=20

Assoli18 [71]

Let's solve this problem step-by-step

Let's set:

2x + 6y = 36 -- equation 1

x + 4y = 20 -- equation 2

(equation 2) * 2

2x + 8y = 40 -- equation 3

(equation 3) - (equation 1)

2y = 4

y = 2 -- equation 4

Plug (equation 4)'s value of y into (equation 2)

x + 4(2) = 20

x = 20 - 8

x = 12

Thus x = 12 and y = 2

Let's check, by substituting these values

$2x + 6y = 36\\2(12)+6(2) = 36\\24+12=36\\36=36\\\\x+4y=20\\12+4(2)=20\\12+8=20\\20=20$

Answer: x = 12 and y = 2

Hope that helps!

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2 years ago

Ahmad has $x. Abu has $5 more than Ahmad. Razak has twice as much as Abu. Together they have $175. What is the value of x?

Alisiya [41]

Abu X + 5

Razak 2x + 10

Ahmad X

Together 4x + 15

175 - 15 = 160

160 / 4 = 40

X = 40

7 0

2 years ago

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A study conducted on 40,000 words in the English language found that about 6,670 words started with the letter T, which is the m

melisa1 [442]

To answer this problem, first let us calculate for the theoretical probability obtained from the study conducted:

Theoretical Probability = 6,670 / 40,000

Theoretical Probability = 0.16675 = 0.17

From the given choices, the list of words which can give this similar amount of probability is:

“to, sarcastic, epithet, for, less, corruptible, than, the, offspring, open, any, primary, loyalty, table, out, whom, example, who, mention, say”

In this set of words, the number of words starting with letter T is 4. Calculating for the probability of getting a word starting with T in this set is:

Sample probability = 4 / 20

Sample probability = 0.20

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3 years ago

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A computer and printer cost a total of $900. The cost of the computer is three times the cost of the printer. Find the cost of e

KiRa [710]

Answer:

C is computer

P is printer

3c + p = 900

750 + 150 = 900

So...

Computer = $750

Printer = $150

Brainiest plz :)

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3 years ago

2(3 + x) = 6 + 2x cual es la propiedad ?

ArbitrLikvidat [17]

Answer: Distributivo

Step-by-step explanation:

2*3 = 6

2 * x = 2x

Therefore:

2(3+x) = 6 + 2x

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3 years ago

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