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3 years ago

❗❗❗❗HELP❗❗❗❗ PLEASEEEE

Mathematics

2 answers:

Ilya [14]3 years ago

5 0

Answer:

Step-by-step explanation:

in 10 minutes 50 gal is used

50 + 50 = 100

5 is half of 10

25 is half of 50

100 + 25 = 125

Natasha_Volkova [10]3 years ago

4 0

125 gallons because you keep multiplying by 5 25 times

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The probability that a person will have 0, 1, or 2 dental checkups per year is 0.3, 0.6, and 0.1, respectively. If seven people

Tom [10]

<h2>The required probability is 0.1224.</h2>

Step-by-step explanation:

Here, given:

The probability of having 0 dental checkup = 0.3

The probability of having 1 dental checkup = 0.6

The probability of having 2 dental checkup = 0.1

Number of people chosen at random = 7

So, the number of ways 2, 4 and 1 checkup are : $(\frac{7!}{2! \times 4! \times 1!} )$

Now, the combined probability that two will have no checkups, four will have one checkup, and one will have two checkups in the next year

= $(\frac{7!}{2! \times 4! \times 1!} ) \times (0.3)^2 \times (0.6)^4 \times (0.1)^1 = 0.1224$

Hence, the required probability is 0.1224.

3 0

3 years ago

If 12,000 people voted in the election, and 35% of them were 50-64, how many people were 50-64?

Sergio039 [100]

35% of 12,000.....turn percent to decimal..." of " means multiply
0.35(12,000) = 4200 <==

6 0

4 years ago

Read 2 more answers

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Evgen [1.6K]

Answer:

I believe its 80 degrees

8 0

3 years ago

I would like to know what 1.34 as a fraction in simplest form would be

Paha777 [63]

$1.34 = 1 \dfrac{34}{100} = 1 \dfrac{34 \div 2}{100 \div 2} = 1 \dfrac{17}{50}$

-------- Edited to include more explanation --------------

1.34 = 1 whole 34 hundredth

$\text { 1 whole 34 hundredth written as a fraction =} 1 \dfrac{34}{100}$

Then we simplified it by dividing the numerator and the denominator by 2:

$1 \dfrac{34}{100} = 1 \dfrac{34 \div 2}{100 \div 2}$

34 divided by 2 will give us 17 and 100 divided by 2 will give us 50:

$1 \dfrac{34 \div 2}{100 \div 2} = 1 \dfrac{17}{50}$

6 0

3 years ago

A space shuttle travels around the Earth at a constant speed of 28000 kilometers per hour. If it takes 90 minutes to complete on

aleksklad [387]

42000 kilometers
Explanation:
distance is velocity × time
28000 ×1.5
42000
remember to match units
thats why i wrote 1.5 hours instead of 90minutes

3 0

3 years ago