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3 years ago

Smallest 8 digit even number

Mathematics

1 answer:

Darina [25.2K]3 years ago

4 0

Assuming you're not accepting answer like "00000024", and so you want an "actual" 8 digit number, the answer is

10 000 000

i.e. 1 followed by 7 zeroes, i.e. 10 millions. In fact, it is an even number (it ends with zero), and any number less than this has less than 8 digits:

10 000 000 - 1 = 9 999 999

which has 7 digits.

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Perform the indicated operation. (2x + y)^2

Alina [70]

Answer: 2x^2 + y^2

Hope this helps :)

6 0

3 years ago

PLEASE HELP ME ASAP!!!!

yKpoI14uk [10]

Part A

$\overline{AC}$ and $\overline{BD}$

Part B

Diagonals of a parallelogram bisect each other, so

$BE=ED \implies 2x+3=3y-4 \implies 3y=2x+7 \implies y=\frac{2}{3}x+\frac{7}{3}\\\\AE=EC \implies y+4=4x-6 \implies y=4x-10$

Solving by substitution,

$\frac{2}{3}x+\frac{7}{3}=4x-10$

Multiplying both sides by 3,

$2x+7=12x-30\\\\37=10x\\\\x=3.7$

So, $y=\frac{2}{3}\left(\frac{37}{10} \right)+\frac{7}{3}=\frac{24}{5}$

Part C

$BE=ED=2(3.7)+3=10.4\\\\AE=EC=4(3.7)-6=8.8$

$\therefore BD=2(10.4)=20.8, AC=2(8.8)=17.6$

5 0

2 years ago

Can you help me with this question please

ArbitrLikvidat [17]

Answer:

51 litres

Step-by-step explanation:

$\frac{1}{4}$ of 68 litres = $\frac{68}{4}$ = 17 litres

The tank holds 68 litres, thus

68 - 17 = 51 litres required to fill the tank

8 0

3 years ago

Find the surface area of this rectangular solid.

11Alexandr11 [23.1K]

The answer is 166cm

Explanation: 2LH+2LW+2WH

3 0

3 years ago

You have two biased coins. Coin A comes up heads with probability 1/4. Coin B comes up heads with probability 3/4. However, you

slega [8]

Answer:

3/4

Step-by-step explanation:

Probability is the likelihood of an event.

No.of favourable outcomes/ Total no. of outcomes

Probability of coin selection : [Both coins have equal likelihood of being chosen]

Prob( Coin A Selection) = 1/2
Prob (Coin B selection) = 1/2

Probability of head & tail by both coins :

Prob (Head / Coin A) = 1/4
Prob (Tail / Coin A) = 1 - [ P (Head/Coin A) ] = 1 - 1/4 = 3/4
Prob (Head / Coin B) = 3/4
Prob (Tail / Coin B) = 1 - [ P (Head/Coin B) ] = 1 - 3/4 = 1/4

Probability of getting head by Coin A : Prob (Coin A) & Prob (Head/CoinA) = 1/2 x 1/4 = 1/8

Probability of getting tail by Coin A : Prob (Coin A) & Prob (Tail/CoinA) = 1/2 x 3/4 = 3/8

Probability of getting head by Coin B : Prob (Coin B) & Prob (Head/CoinB) = 1/2 x 3/4 = 3/8

Probability of getting tail by Coin B : Prob (Coin B) & Prob (Head/CoinB) = 1/2 x 1/4 = 1/8

Probability 'The guess [head from coin B, tail from coin A] :

Prob (Coin A) & Prob (Tail/CoinA) or Prob (Coin B) & Prob (Head/CoinB)

= 3/8 + 3/8 = 3/4

3 0

3 years ago