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nalin [4]
2 years ago
9

The radius of a circle is 3 mm. What is the circles area? Use 3.14 for

Mathematics
2 answers:
Jobisdone [24]2 years ago
6 0

Answer:

28.26 square millimeters

Step-by-step explanation:

-pie- r^2

-pie- (3)^3

-pie- *9

3.14*9

28.26

Marrrta [24]2 years ago
3 0

Answer:

wait 3mm thats ow big my.........

Step-by-step explanation:

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Help please asappp!!!!!!!!!!!!!!!!!!
mario62 [17]

I think the answer is B! I hope that helps!!!!!

BRAINLY would be appreciated❤️

4 0
3 years ago
When finding x-intercepts, y is equal to zero. So, we can set the whole function equal to_______.
finlep [7]

Answer:

ZERO

ZERO

Step-by-step explanation:

When finding x-intercepts, y is equal to zero. So, we can set the whole function equal to ZERO.

Then we set each binomial equal to ZERO.

7 0
2 years ago
Write a polynomial function f of least degree that has a leading coefficient of 1 and the given zeros -4,-2,5. write the functio
OLga [1]

Answer:

Step-by-step explanation:

This is a third degree polynomial since we have 3 zeros.  We find these zeros by factoring the given polynomial.  The zeros of a polynomial are where the graph of the function goes through the x-axis (where y = 0).  If x = -4, the factor that gives us this value is (x + 4) = 0 and solving that for x, we get x = -4.  If x = -2, the factor that gives us that value is (x + 2) = 0 and solving that for x, we get x = -2.  Same for the 5.  The way we find the polynomial that gave us these zeros is to go backwards from the factors and FOIL them out.  That means that we need to find the product of

(x + 4)(x + 2)(x - 5).  Do the first 2 terms, then multiply in the third.

(x+4)(x+2)=x^2+2x+4x+8, which simplifies to

x^2+6x+8

No we multiply in the final factor of (x - 5):

(x^2+6x+8)(x-5)=x^3+6x^2+8x-5x^2-30x-40 which simplifies to

f(x)=x^3+x^2-22x-40

If you are aware of the method for factoring higher degree polymomials, which is to use the Rational Root Theorem and synthetic division, you will see that this factors to x = -4, -2, 5.  If you know how to use your calculator, you will find the same zeros in your solving polynomials function in your apps.

3 0
3 years ago
A diameter of the sphere is MT CT CD
iren2701 [21]

Answer:

CT

Step-by-step explanation:

The diameter is the longest possible line through the sphere and passes through the center.

3 0
3 years ago
The large rectangle below represents one whole.
dolphi86 [110]

Answer: 44%

Step-by-step explanation:

There are 25 squares in the rectangle. This means that the percentage of each square is:

= 1/25 * 100

= 4%

There are 11 shaded squares so the percentage represented is:

= 11 * 4%

= 44%

8 0
2 years ago
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