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3 years ago

923billion divided by 62.8million equals?

Mathematics

1 answer:

lbvjy [14]3 years ago

6 0

(923 x 10^9)/(62.8 x 10^6)=
14,697.45

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Before going to school, Eudora ran from her home to a secret laboratory at an average speed of 12 km. Since she was running late

Brrunno [24]

Answer:

Eudora spent 0.5 hours in running and 1.5 hours flying using her jet-pack.

Step-by-step explanation:

Let x represent time spent in running.

We have been given that the entire trip took 2 hours, so time spent in flying the jet-packs would be $2-x$ .

We know that distance is equal to speed times time.

$\text{Distance}=\text{Speed}\times\text{Time}$

Eudora ran from her home to a secret laboratory at an average speed of 12 km, so distance traveled by running would be $12x$ .

Eudora took one of her jet-packs and flew to her school at an average speed of 76 km, so distance covered by jet-packs would be $76(2-x)$ .

We are told that Eudora traveled a total distance of 120 km. We can represent this information in an equation as:

$12x+76(2-x)=120$

$12x+152-76x=120$

Combine like terms:

$-64x+152=120$

$-64x+152-152=120-152$

$-64x=-32$

Divide both sides by $-64$ :

$\frac{-64x}{-64}=\frac{-32}{-64}$

$x=0.5$

Therefore, Eudora spent 0.5 hours in running.

Upon substituting $x=0.5$ in expression for time spent in flying jet-packs, we will get:

$2-x\Rightarrow 2-0.5=1.5$

Therefore, Eudora spent 1.5 hours flying using her jet-pack.

7 0

3 years ago

What are the fractions from least to greatest 2/3 2/9 5/6 11/18

Sunny_sXe [5.5K]

Analogicaly as in the previous question - firstly let's find the common denominator for those fractions:

2/3 = 12/18
2/9 = 4/18
5/6 = 15/18
11/18 = 11/18 :)

From the least to the greatest:

2/9, 11/18, 2/3, 5/6

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3 years ago

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ASAP ART!!!!!

charle [14.2K]

Here mine. I did this for my AP art

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3 years ago

Solve for the inverse of: f(x)=1/8(x+1)^3

lara31 [8.8K]

Answer: $y=(8x)^{\frac{1}{3}} -1$ or $y=\sqrt[3]{8x} -1$

Step-by-step explanation:

To find the inverse, you switch y with x and x with y. Then, you solve for y.

$y=\frac{1}{8} (x+1)^3$ [switch y with x and x with y]

$x=\frac{1}{8} (y+1)^3$ [multiply both sides by 8]

$8x=(y+1)^3$ [cube both sides]

$\sqrt[3]{8x} =y+1$ [subtract both sides by 1]

$y=\sqrt[3]{8x} -1$ or $y=(8x)^{\frac{1}{3}} -1$

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3 years ago

Simplify fully 50y3/ 8xy2

Mashutka [201]

Answer:

$\frac{25y}{4x}$

Step-by-step explanation:

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3 years ago

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