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1 year ago

The radius of the earth is 6.371 X 10^3 km. Write the value of this scientific notation and express the radius in words.

Mathematics

1 answer:

snow_tiger [21]1 year ago

8 0

Answer:

6371. six thousand three hundred and seventy-one

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susan can run 2 city blocks per minute. she wants to run 60 blocks. how long will it take her to finish if she jas already run 1

anygoal [31]

To solve this, you first subtract 60 by 18 to get 42

You then divide this by 2 to get 21

So, it'll take 21 minutes

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2 years ago

Find the mass of the triangle with vertices (1; 0; 0), (0; 2; 0), (0; 1; 1) if the density function is given by (x; y; z)

Luda [366]

Answer:

$=\frac{17}{3}$

Step-by-step explanation:

Density of a function is $\rho(x,y)=x^{2} +y^{2}$

I have drawn the right angle triangle for visualization

equation for the line passing through (1,0) and (0,4) is

$\frac{y}{4} =\frac{x-1}{-1}$

$y=4-4x$

= $\int_{0}^1\int_{0}^{4-4x} (x^{2}+y^{2})dydx$

= $\int_{0}^{1}(x^{2}+\frac{y^{3} }{3})dx$

= $\int_{0}^{1}(x^{2}(4-4x)+\frac{1}{3}(4-4x)^{3} )dx$

= $\int_{0}^{1}(\frac{-76}{3}x^{3} +68x^{2}-64x^{}+\frac{64}{3} )dx$

= $=(\frac{-76}{3} \frac{x^{4} }{4})+\frac{68}{3}x^{3}-32x^{2}+\frac{64}{3}x^{})$

$=\frac{17}{3}$

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2 years ago

A farmer has 220 bushels of wheat to sell it has roadside stand he sells an average of 14 and three-quarter bushels each day rep

REY [17]

Answer:

Total change in Sales of Bushels =116 $\frac{3}{4}$

Step-by-step explanation:

Total Bushels of Wheat= 220

Average Sale= $14*\frac{3}{4}$ per day

Average Sale per week = $7*14.75 =103.25$

Total change in Sales of Bushels = Total Bushels of Wheat - Average Sales per week

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2 years ago

Nineteen more than a number is less than 42

Lelechka [254]

We are trying to find the number that when added to 19, gives us less than 42. We can set up this simple inequality:

19 + x < 42

Now, subtract 19 from both sides:

x < 23

Our number can be anything less than 23.

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2 years ago

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Tom bought 3 packages of Skittles for $1.25 each. How much did he spend?

polet [3.4K]

Answer:

Tom spent $3.75 of Skittles

Step-by-step explanation:

If each Skittle packet was $1.25, then if that is multiplied by 3, the product of the equation is, 3 dollars and 75 cents/$3.75

1.25 x 3 = 3.75

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2 years ago

Read 2 more answers

The radius of the earth is 6.371 X 10^3 km. Write the value of this scientific notation and express the radius in words.​

The radius of the earth is 6.371 X 10^3 km. Write the value of this scientific notation and express the radius in words.