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3 years ago

How far is 40% of a 2,000 kilometer trip

Mathematics

2 answers:

Ostrovityanka [42]3 years ago

8 0

Answer:

800 km

Step-by-step explanation:

2,000 x 40%

2,000 x 0.4

= 800

Your answer is 800 km

Ulleksa [173]3 years ago

4 0

Answer:

800km

Step-by-step explanation:

Just find 40% of 2000 which will be

$\frac{2000}{100}$ *40 = 800kilometers.

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Find the distance between the two points in simplest radical form.

Jlenok [28]

Answer:

$d=\sqrt{58}\approx7.6$

Step-by-step explanation:

To find the distance between any two points, we can use the distance formula:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2$

Our first point, A, is at (1, 1) and our second point, B, is at (-2, 8).

Let's let A(1, 1) be (x₁, y₁) and B(-2, 8) be (x₂, y₂). Substitute this into the distance formula:

$d=\sqrt{(-2-1)^2+(8-1)^2$

Subtract:

$d=\sqrt{(-3)^2+(7)^2$

Square:

$d=\sqrt{9+49}$

Add:

$d=\sqrt{58}$

This cannot be simplified.

So, the distance between the two points is √58 or about 7.6 units.

And we're done!

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3 years ago

How many hours does antoine sleep in a day

guajiro [1.7K]

Antoine sleep 8 hours in a day

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3 years ago

Given the function f(x) = -5x + 11 + 3, for what values of x is f(x) = -12?<br> Bleaseeeeee

Nitella [24]

Answer:

x = 5.2

Step-by-step explanation:

$f(x) = -5x + 11 + 3$

Let's first simplify our first function:

$f(x) = -5x + 11 + 3\\f(x) = -5x + 14$

Now, we just need to set this function equal to our other given function.

$f(x) = -5x+14\\f(x) = -12\\-5x + 14 = -12$

Now, we can add 12 to both sides:

$-5x + 14 + 12 = -12 + 12\\-5x + 26 = 0$

Now, add 5x to both sides:

$-5x+26 = 0\\26 = 5x\\$

Finally, we'll divide both sides by 5:

$26/5 = 5x / 5\\5.2 = x\\x = 5.2$

Answer: x = 5.2

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ollegr [7]

Answer:

b and e

Step-by-step explanation:

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Twice a number x increased by 10 is 52

musickatia [10]

Answer:

x = 21

Step-by-step explanation:

the equation is 2x + 10 = 52

2x = 42

x = 21

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3 years ago