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leva [86]
3 years ago
14

What is 12:36 written as a ratio in lowest term?

Mathematics
1 answer:
Reil [10]3 years ago
7 0

Answer:

1:3

Step-by-step explanation:

you just need to simplify it

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Total surface area of a cube is 1014cm^2. It's volume will be :
Karolina [17]

Answer:

Option A (2197 cm³)

Step-by-step explanation:

For a cube with length of each side "a" , it's

  • Total Surface Area = 6a²
  • Volume = a³

_____________________________________________

According to the question ,

Total Surface Area = 1014 cm²

Let the length of each side of cube be 'a'.

Using the formula ,

6a^{2} =1014

=> a^{2} =\frac{1014}{6} = 169

=> a = \sqrt{169} = +13 \: or  -13

But length can't be negative . So , length of each side = 13 cm

∴ Volume of cube = 13³ = 2197 cm³

8 0
3 years ago
Bob is driving along a straight and level road toward a mountain. At some point on his trip, he measures the angle of elevation
DerKrebs [107]

Answer:

Option A.

Step-by-step explanation:

Distance between Bob and the center of the mountain at the base = 19,427.5 ft.

Angle of elevation to the top of the mountain = 25°11'

We know that

1 degree = 60 minutes

1/60 degree = 1 minute

25^{\circ}11'=25^{\circ}+\frac{11}{60}{\circ}\Rightarrow 25^{\circ}+0.183^{\circ}=25.183^{\circ}

Let the height of the mountain be h.

In a right angled triangle

\tan\theta = \frac{opposite}{adjacent}

\tan(25.183^{\circ}) = \frac{h}{19427.5}

\tan(25.183^{\circ})\times 19427.5 = h

h=0.4702\times 19427.5

h=9134.8105

h\approx 9135

Therefore, the height of the mountain to the nearest foot 9135. Option A is correct.

5 0
3 years ago
Elsa has $ 48.65 in her savings account and $ 23.40 in her wallet.
Vladimir79 [104]

Answer:

did you say elsa lol

Step-by-step explanation:

LET IT GO LET IT GOOOOOOOOOOOO

6 0
3 years ago
Read 2 more answers
A dance competition on television had five elimination rounds. After each elimination, only one-fourth of the contestants were s
creativ13 [48]
When x =2, f(x) = 128
When x = 4, f(x) = 8

The changing rate is \frac{8-128}{4-2}= \frac{-120}{2}=-60

This changing rate represents the decrease of the number of contestants as the competition approaches the final.

Correct option is the first option
<span>
−60 contestants per round and it represents the average rate at which the number of contestants changed from the second round to the fourth round 
</span>
4 0
3 years ago
Read 2 more answers
Find the slope of the line?
77julia77 [94]

Answer:

Step-by-step explanation:

(-5, 3) and (-5, -3)

(-3 - 3)/(-5 + 5) = -6/0 = UNDEFINED

That is also the CORRECT ANSWER

7 0
1 year ago
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