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Mazyrski [523]
2 years ago
7

A3-inch candle burns down in 5 hours. How far has it burned after 8

Mathematics
1 answer:
pentagon [3]2 years ago
5 0

Answer:Assuming a 3-inch diameter, pillar candles of 3, 4 and 6 inches in height will burn for 45, 60 and 75 hours, respectively. Three-inch Party Lite pillar candles will burn 30-35 hours; 5-inch, 65 to 70 hours; and 7-inch, 90 to 95 hours. The three-wick 6-by-5-inch candles burn for more than 100 hours.

Step-by-step explanation:

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What is the equation for y=-x+6 of X and Y?<br> -6, -3, 2, 4, 7
Ann [662]
Y=-x+6
Try -6 on X, -(-6)+6=12... wrong
Try -3 on X, -(-3)+6=9... wrong
Try 2 on X, -2+6=4... correct, you got X=2, Y=4
Try 4 on X, -4+6=2... correct, you got X=4, Y=2
Try 7 on X, -7+6=1... wrong
7 0
3 years ago
Which of the following best shows the distributive property?
alex41 [277]

Answer:

2(2 + 3) = 2(2) + 2(3)

Step-by-step explanation:

The first one shows the associative property.

In the second one, the paranthesis is being solved first, therefore the rule of PEMDAS is being applied.

The last one displays the commutative property.

8 0
2 years ago
Read 2 more answers
What is the common denominator of 1/a + 1/b in the complex fraction 1/a-1/b divided by 1/a+ 1/b?
timurjin [86]

Answer:

common denominator of 1/a + 1/b is  ab

however simplifying the complex fraction gives:   (b-a)/(b +a)

Step-by-step explanation:

common denominator of 1/a + 1/b

should be the product of the denominators

a*b

so   1/a  + 1/b =   (b + a)/ab

ao

( 1/a  - 1/b)  divided by (1/a + 1/b) =  (b - a)/(ab)  divided by (b+a)/ab

8 0
3 years ago
Read 2 more answers
Find the value of x.
Gala2k [10]

Answer:

\large\boxed{2\sqrt7}

Step-by-step explanation:

Look at the picture.

ΔADC and ΔACB are similar. Therefore the corresponding sides are in proportion:

\dfrac{AC}{AD}=\dfrac{AB}{AC}

We have

AC=x,\ AD=2,\ AB=2+12=14

Substitute:

\dfrac{x}{2}=\dfrac{14}{x}           <em>cross multiply</em>

x^2=(2)(14)\\\\x^2=28\to x=\sqrt{28}\\\\x=\sqrt{4\cdot7}\\\\x=\sqrt4\cdot\sqrt7\\\\x=2\sqrt7

5 0
3 years ago
If you begin at a location with the coordinates 0 degree lat. and 0 degree long., and first travelling east 1/3 of the way aroun
Hatshy [7]

We can consider east and north direction as x and y axes respectively.

latitude 0 and longitude 0 be the origin.

Let 'a' be the total way around the world

so, if I travel east 1/3 of the way around the world, x co-ordinate  = 1/3 a

if I travel north 1/3 of the way around the world, y co-ordinate  = 1/3 a

So the coordinates of your new location are(1/3 a, 1/3 a)


8 0
3 years ago
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