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3 years ago

I already tried some stuff myself, but I need help...

Mathematics

1 answer:

expeople1 [14]3 years ago

4 0

Area of the triangle = 2*5/2 = 5

Area of the rectangle = 5/2 = 2.5.

So, the width is 1/2.

(Hope that helps.)

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Approximately how many centiliters are in 3 quarts? Round answer to the nearest unit.

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Approximately 284 centliters in 3 quarts

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3 years ago

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\sqrt(-1) 2^(3 )E \pi what does this mean?

jonny [76]

Answer:

This probably means something like:

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3 years ago

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:

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

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

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

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

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$Probability = 0.2$

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3 years ago

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S_A_V [24]

Answer:

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If he is below sea level it would be negative so -86+17=-69

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If 4 over 9 equals 2 over x , what do you know about their cross products?

goblinko [34]

If 4/9 = 2/x then my guess is x=18

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4 years ago