3 years ago

How do i solve this problem?

Mathematics

1 answer:

Eduardwww [97]3 years ago

7 0

I think the first numerator cant be Z so I solved the question assuming it is 2;

Answer:

(x,y,z)=(1,5,7)

Hope this helps.

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An ancient Chinese candle clock tells the amount of time that has passed by the amount of wax that has been melted off the candl

maxonik [38]

Answer:

$Time = 560\ mins$

Step-by-step explanation:

Given

$Candles = 2$ --- candles melted

$Divisions = 12$

$Time = 4\ hrs$ --- time to melt

Required

The time since the first was lit

If 1 candle melts in 4 hours, 2 candles will melt in 8 hours.

i.e.

$x = Candles * Time$

$x = 2 * 4hrs$

$x = 8hrs$

For the 3rd candle that has melted, 4 inches

First, calculate the fraction that melt

$Fraction = \frac{Melt}{Division}$

$Fraction = \frac{4}{12}$

$Fraction = \frac{1}{3}$

The time to melt is:

$y = Fraction * Time$

$y= 4 * \frac{1}{3}$

$y= \frac{4}{3}hrs$

So, the required time is:

$Time = x + y$

$Time = 8hrs + \frac{4}{3}hrs$

Convert to minutes

$Time = 8*60mins + \frac{4}{3}*60mins$

$Time = 480mins + 80mins$

$Time = 560\ mins$

4 0

3 years ago

Select all expressions that are equivalent to 2+y+y+y+y+y+3?

ryzh [129]

I can’t see your choices, but this equation can be simplified to 5y + 5.

If you add the choices as a comment, I’m happy to help more.

7 0

3 years ago

What is “One third of the opposite of a number is less than 12?”

nirvana33 [79]

Answer:

$\frac{1}{3}(-x)$ <12

4 0

3 years ago

Need help I will offer brainalist + 10 points for correct answer (:

topjm [15]

Answer:

Step-by-step explanation:

It is complementary because adding DEQ and REQ together adds up to 90 degrees

4 0

3 years ago

Read 2 more answers

Enter the correct answer in the box.

Alex

Answer:

-2x+1 ez clappppppppppppppppppppp

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2 years ago