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3 years ago

2 1/6−(−8/3)+(−4 7/9)

Mathematics

1 answer:

svp [43]3 years ago

6 0

Answer:

-0.55555 repeated

PLS MARK BRAINLIEST!!

Step-by-step explanation:

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Can you please do 15 and 16

Whitepunk [10]

15: Approximately it is 46.6%.
16: 7%(100%-65%-18%-10%)

7 0

3 years ago

Express 9 m in terms of cm, Î¼m, and nm. Use proper scientific notation in your answers.

devlian [24]

Answer:

$9\times10^2cm$

$9\times10^6 \mu m$

$9\times10^9nm$

Step-by-step explanation:

1 m = 100 cm

9 m = 100cm * 9 = 900 cm or $9\times10^2cm$

$1 m = 10^6 \mu m$

$9 m = 9\times10^6 \mu m$

$1 m = 10^9 nm$

$9 m = 9\times10^9 nm$

7 0

3 years ago

Help me please!!

Mice21 [21]

Answer:

1.) - 1/2

2.) the slope is 0 which means it is a vertical line

Step-by-step explanation:

In order to solve this you take the formula

y-y / x-x

and put they y value and x value of each equation in

7 0

3 years ago

When rolling a die, what is the probability of rolling a 1 or a 4 write your answer in a fraction?

Andrej [43]

Answer:

$1/3$

Step-by-step explanation:

There are 6 values on a die, and we want 2 values. The fraction now is $2/6$ . But, wait! We can simplify this fraction: $1/3$ .

Side note:

I understand if you wanted just the $2/6$ fraction and not simplified.

3 0

3 years ago

a coin is taken at random froma purse that contains one penny, 2 nickels, 4 dimes, and 3 quarters. let x be the value of the dra

algol [13]

Answer:

x = 12.6 pennies

Step-by-step explanation:

total number of coins = 1 + 2+ 4 + 3 = 10 coins

P(penny) = $\dfrac{1}{10}$

P(nickels) = $\dfrac{2}{10}$

P(dimes) = $\dfrac{4}{10}$

P(quarters) = $\dfrac{3}{10}$

hence average value of the coin

x = Penny x P(Penny) + nickel x P(nickel) + dimes x P(dimes) + quarters x P(quarters)

nickels = 5 pennies dimes = 10 ; and quarters = 25 pennies

$x = 1 \times \dfrac{1}{10} + 5\times \dfrac{2}{10} +10\times \dfrac{4}{10} + 25\times \dfrac{3}{10}$

x = 0.1 + 1 + 4 + 7.5

x = 12.6 pennies

hence, the average pennies for the first draw is equal to x = 12.6 pennies

6 0

3 years ago