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blagie [28]
3 years ago
12

Expand the expression 10 (n-8)

Mathematics
1 answer:
Tcecarenko [31]3 years ago
8 0
10n-80 is the answer
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Given a circle with a radius of 5, which equation expresses π as the ratio of the circumference of a circle to its diameter?
Phoenix [80]
<span>π = C / 10    ( the is 10 because  diameter = 2 * radius)</span>
3 0
4 years ago
Read 2 more answers
A)none <br> B)7<br> C)6i<br> D)I-6<br> E) - square of 7<br> ( look at the picture better)
Anika [276]

The correct answer is A). None

Step-by-step explanation:

The given quadratic polynomial has 3 roots and some of roots are x=\sqrt{7} and x=6+i

It is necessary to note that one of the roots is a complex number and root of complex number always in pair of the conjugate to each other.

Since x=6+i

Conjugate of (6+i) is (6-i)

<em>Therefore, (6-i) is 3rd required root of a polynomial </em>

<em>The correct answer is A). None</em>

4 0
4 years ago
HELP PLZZZ!!!! What is the approximate area of a circular pond?
Georgia [21]

Answer:

<h2>B. 49,062.5 ft²</h2>

Step-by-step explanation:

The formula of an area of a circle:

A=\pi r^2

r - radius

We have the diameter d = 250 ft. We know: d = 2r.

Therefore r = 250 : 2 = 125 ft.

Substitute:

A=\pi(125)^2=15625\pi

\pi\approx3.14\to A=(15625)(3.14)=49062.5\ ft^2

7 0
4 years ago
The number of blueberry muffins that a baker makes each day is 40% of the total number of muffins she makes.
Natali5045456 [20]

part a is 14.4 and part b is 24 because you have to put 40% in a decimal and multiply it by how many muffins the baker made each day.

5 0
4 years ago
Question is below ( explanation)
nalin [4]

To find the rate, you must divide the distance traveled by the time it took.

17.5 m is the distance while time it took was 5 seconds.

So,

17.5 ÷ 5 = 3.5 m/s

The rate of the anchor is 3.5 m/s

Note: I did not ignore the negative sign in the distance but rather acknowledged it as a magnitude. This meant that the anchor was dropping down instead of going up.

8 0
3 years ago
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