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3 years ago

Question 2 Multiple Choice worth 5 pont)

Mathematics

1 answer:

Talja [164]3 years ago

4 0

Answer:

A.The player runs 5 meters forward, and then runs 5 meters in the opposite direction.

Step-by-step explanation:

A.The player runs 5 meters forward, and then runs 5 meters in the opposite direction.

+5 -5 = 0 they will be at the same place they started

B.The player runs 5 meters forward, and then runs 6 meters in the opposite direction.

+5 -6 = -1 they will be 1 m behind where they started

C.The player runs 6 meters forward, and then runs 5 meters in the opposite direction.

+6 -5 = 1 they will be 1 m in front of where they started

D.The player runs 6 meters forward, and then runs O meters in the opposite direction.

+6 -0 = 6 they will be 6 meters in front of where they started

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The volume of a cone is represented by the formula V = 1 T?n. If the volume of a cone is 30rt and the height is 2.5, what is the

Airida [17]

Answer:

radius is 3.38cm

Step-by-step explanation:

Note: the volume of a cone is given as

$V= 1/3 \pi r^2 h$

Step one:

Given Information

volume= 30cm^3

height= 2.5cm

Required

The radius of the cone

Step two:

substituting our data into the expression for the volume of a cone we can then solve for the radius r

$30=1/3 *3.142*r^2 * 2.5\\\\30=1/3*7.855r^2\\\\30=2.62r^2\\\\$

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2 years ago

6. Let A and B be nxn matrices . Compute (A + B) (A + B). Explain all steps.

Pie

Answer:

(A+B)(A+B)=A.A+B.A+A.B+B.B

Step-by-step explanation:

Given that matrices A and B are nxn matrices

We need to find (A+B)(A+B)

For understanding the multiplication of matrices let'take A is mxn and B is pxq matrices,we can multiple only when n=p,so our Ab matrices will be mxq.

We know that that in matrices AB is not equal to BA.

Now find

(A+B)(A+B)=A.A+B.A+A.B+B.B

So from we can say that (A+B)(A+B) is not equal to A.A+2B.A+B.B because AB is not equal to BA in matrices.

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3 years ago

Hi its nice to meet you

klio [65]

Answer:

19.5

Step-by-step explanation:

165 divided by 8 is 19.5

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Answer:

44cm

Step-by-step explanation:

Formula for circumference, C = 2πr

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r = C / 2π

= $\frac{88\pi }{2\pi }$

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3 years ago

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19. the first side of a triangle measures 4in less than the second side, the third side is 3 in more than the first side, and th

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Answer:

the third side is 5 2/3 in.

s - 1

Step-by-step explanation:

a = side 1

b = side 2

c = side 3

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c = a + 3

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2 years ago