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4 years ago

The khans car averages 22 miles per gallon of gas predict how far can thay travel on 5 gallons of gas

Mathematics

1 answer:

kodGreya [7K]4 years ago

5 0

If the Khans car runs 22 miles per one gallon, then on 5 gallons of gas they can drive 110 miles.

1 gallon = 22 miles

5g x 22m = 110

I hope this helps! If I did something wrong, please correct me!

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How can you rewrite the expression (8-5i)^2 in the form of a +bi

olchik [2.2K]

$\bf \textit{recall that }i^2=-1\\\\
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3 years ago

Which expression is equivalent to 16 - 4x^2?

melamori03 [73]

Answer:

4(2 - x)(2 + x)

Step-by-step explanation:

16 - 4x² ← factor out 4 from each term

= 4(4 - x²) ← difference of 2 squares

= 4(2 - x)(2 + x) ← in factored form

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3 years ago

If something takes 12 minutes to do and you have to do it 320 times how long would it take

EastWind [94]

Answer:

It would take 3,840 Minutes

Step-by-step explanation:

Multiply 12 * 320 to receive 3,840

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3 years ago

Read 2 more answers

A class has 6 boys and 15 girls. What is the ratio of boys to girls

Over [174]

The answer is 6:15, but if u need to simplify the answer would be 2:5.

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3 years ago

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A bucket contains 40 red balls, 25 black balls, and 35 white balls. Two balls are drawn at random. What is the probability that

Lyrx [107]

Answer:

$Probability = \frac{1}{5}$ or $Probability = 0.2$

Step-by-step explanation:

Given

$Black = 25$

$White = 35$

$Red = 40$

Required

Determine the probability of selecting Black and Red

First, we need to calculate the number of red and black balls

The probability is calculated as thus:

$Probability = P(Black\ and \ Red) \ or\ P(Red\ and \ Black)$

Convert to mathematical expressions

$Probability = [P(Black) *P(Red)] + [P(Red) *P(Black)]$

Solve for each probaility;

$P(Black) = \frac{Black}{Total} = \frac{25}{100}$

$P(Red) = \frac{Red}{Total} = \frac{40}{100}$

So, we have:

$Probability = [P(Black) *P(Red)] + [P(Red) *P(Black)]$ $Probability = [\frac{25}{100} *\frac{40}{100}] + [\frac{40}{100} *\frac{25}{100}]$

$Probability = [\frac{1000}{10000}] + [\frac{1000}{10000}]$

$Probability = [\frac{1}{10}] + [\frac{1}{10}]$

$Probability = \frac{1+1}{10}$

$Probability = \frac{2}{10}$

$Probability = \frac{1}{5}$

$Probability = 0.2$

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3 years ago