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marshall27 [118]

2 years ago

15

a 18-inch candle is burning at the rate of 1 inch per hour and 1 15-inch candle is burning at half of an inch per hour. How long

will it take for the two candles to be the same height?

2 answers:

Y_Kistochka [10]2 years ago

8 0

Hi how are you doing today Jasmine

Bingel [31]2 years ago

4 0

After 6 hours of burning each candle will be 12 inches long

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Please anybody help me with this question

inn [45]

Answer:

y = 12

Step-by-step explanation:

Divide both by 1/4

x = 1 when y = 32/3

When x = 1 1/8 = 9/8

y = 32/3 x 9/8

y = 12

6 0

3 years ago

Pleasssseeeeee hhhhheeeelllpppp

Alex777 [14]

Answer:

what can I help you miss

5 0

3 years ago

Read 2 more answers

given a rectangle of length a and width b if A and B are both rational numbers would the perimeter be irrational or rational? Gi

Kitty [74]

The perimeter would be rational due to both the width and length being rational numbers. A rational number is a number that can be written as a fraction such as 8 it can be written as 8/1, but a irrational would be a decimal number which in this case there would be none because both length and width is rational number. For example, Lets say the width is 8 and the length is 10. once both are written into fraction form such as 8/1 and 10/1 we add them to get a perimeter of 18.
Hope this helps! <span />

8 0

3 years ago

A scale drawing of a square has a side length of 6 millimeters. The drawing has a scale of 1 mm : 7 km. Find the actual perimete

zvonat [6]

Answer:

The real perimeter is:

$P= 24 mm *\frac{7 km}{1mm}= 168 km$

And the area would be:

$P = 36mm^2 *\frac{(7km)^2}{(1mm)^2} = 1764 km^2$

Step-by-step explanation:

For this case we know one side of a square given 6mm.

We can begin calculating the perimeter for the scale figure with this formula:

$P = 4x = 4*6 mm =24 mm$

The area for this case is given by:

$A = x^2 = 6mm^2 = 36 mm^2$

And we know that the drawing has a scale of 1 mm : 7 km and if we convert the perimeter to km we got:

$P= 24 mm *\frac{7 km}{1mm}= 168 km$

And the area would be:

$P = 36mm^2 *\frac{(7km)^2}{(1mm)^2} = 1764 km^2$

6 0

2 years ago

Help please? And show work?

In-s [12.5K]

Answer the answer is 25

Explanation:

6 0

3 years ago