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Komok [63]
3 years ago
8

Find the product (-5sqrt3)(8sqrt5)

Mathematics
1 answer:
Vika [28.1K]3 years ago
5 0

-5√3 · 8√5 = -5 · √3 · 8 · √5 = -5 · 8 · √3 · √5 = -40√15

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PLEASEEEE HELPPPP<br><br><br><br><br><br> -1+(-5) =<br><br><br><br><br><br>​
valentina_108 [34]

Answer:

-6

Step-by-step explanation:

-1+(-5)

You are moving down the numberline, then subtracting again because of the negative sign. -(1+5) is how I like to think of it.

So, 1+5=6, and you add the negative sign. -1+(-5)=-6.

6 0
2 years ago
Determine what type of decimal number each fraction converts to.
Y_Kistochka [10]
A: .44 (not repeating)
b: also .444 (repeating)
c: .41666666667 (repeating, I think)
d: .875 (not repeating)
3 0
3 years ago
Read 2 more answers
The Greek mathematician Eratosthenes (ca. 276-195 BC) measured the circumference of the earthfrom the following observations. He
denpristay [2]

Answer:

Radius of the Earth is 3978.8 Miles

Circumference of the Earth is 25000 Miles

Step-by-step explanation:

The angle of the sun shone at an angle of 7.2° to the zenith

This means that the angle of the sector of the circle is 7.2° (θ)

S = Length of the sector of the circle = 500 miles

r = radius of earth

Converting 7.2° to radians

\theta =7.2\frac{\pi}{180}

S=r\theta\\\Rightarrow r=\frac{S}{\theta}\\\Rightarrow r=\frac{500}{7.2\frac{\pi}{180}}\\\Rightarrow r=3978.8\ Miles

∴ Radius of the Earth is 3978.8 Miles

C=2\pi r\\\Rightarrow C=2\times \pi \frac{500}{7.2\frac{\pi}{180}}\\\Rightarrow C=25000\ Miles

∴ Circumference of the Earth is 25000 Miles

5 0
3 years ago
Distribute the expression (u - 6) x 4.​
valkas [14]
4u-24 because you have to take 4 and multiply it by your things inside your parentheses
4 0
3 years ago
Read 2 more answers
What's is greater 34.653 or 4.653?
Strike441 [17]
The greater one is 34.653
because

34 is greater than 4
 so, 34.653>4.653

4 0
3 years ago
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