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3 years ago

What is the simplified form of this expression? (0.2)^5

Mathematics

1 answer:

Sidana [21]3 years ago

8 0

Its 0.00032 thats the answer

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Find the sum of the geometric series given a1=2, r=−3, and n=8.

inn [45]

Answer:

Sum of the G.P is -3280

Step-by-step explanation:

Summation:

${ \bf{sum = \frac{a( {r}^{n }-1 )}{r - 1} }} \\ \\ { \tt{sum = \frac{2( { { - 3}^{8 } -1)} }{ - 3 - 1} }} \\ { \tt{ = \frac{13120}{-4} }} \\ = -3280$

3 0

3 years ago

Read 2 more answers

Pie charts without the amount of things?

tangare [24]

You can find total number of cars doing this:
72° - 8 cars
360° - X cars

X = (360 * 8) / 72

You follow the logic for the cars

7 0

3 years ago

A circle has an arc of length 20π that is intercepted by a central angle of 180°. What is the radius of the circle?

Bond [772]

Answer:

10π

Step-by-step explanation:

RULE: The angle measure of the central angle is congruent to the measure of the intercepted arc.

RULE: Central Angle = Arc length

Given:

Arc length (20 π) = central angle (180)

we know 180 degrees is a straight line, thus a semi-circle is created. This would be the diameter.

1/2 diameter is the radius. 20π/2 is the radius.

10π

8 0

3 years ago

33 is 55% of what number

9966 [12]

Because percentage is the numerator divided by the denominator of a fraction times one-hundred, we can set up this equation:

$\frac{33}{x} =0.55$

Now, we cross multiply.

$33= 0.55x$

Next, we divide both sides by 0.55 to get x by itself.

x = 60

So, 33 is 55% of 60.

6 0

3 years ago

Read 2 more answers

Use the Distributive Property to rewrite the algebraic expression. 7(6m + 7)

jeka57 [31]

Step-by-step explanation:

first, distribute 7 to 6m (this means 7 • 6m)

7 • 6m = 42m

then distribute 7 to 7 (which is 7 • 7)

7 • 7 = 49

your simplified expression is 42m + 49. i hope this helps! have a great day <3

6 0

3 years ago