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3 years ago

How do I solve for the blank

Mathematics

1 answer:

OLga [1]3 years ago

3 0

Look at the problem and do it in order

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Right triangle similarity. what is the value of a?

kramer

Answer:

I'd say that a is 6 2/3 units long

Step-by-step explanation:

4 0

3 years ago

The diagram below shows circle with radii OA

Finger [1]

Answer:

Length of arc AB = 4π

Step-by-step explanation:

Formula to get the arc length is given by,

Length of arc = $\frac{\theta}{360}(2\pi r)$

Here, θ = central angle subtended by the arc AB

r = Radius of the circle

By substituting the values in the formula,

Therefore, length of arc AB = $\frac{120}{360}(2\pi )(6)$

= 40π

3 0

3 years ago

Can you please help me?

Nimfa-mama [501]

A=iii
B=iv
C=i
D=ii

That's it. I think you can figure out why this is the case.

5 0

3 years ago

In the diagram below, line segment AB has endpoints at A(-2,-6) and B (3,-1). Give the coordinates of line segment A'B' after a

love history [14]

Answer:

A’ (6,-2)

B’ (1,3)

Step-by-step explanation:

Here, we want to give the coordinates after a counterclockwise rotation of 90 degrees

Given a point with coordinates (x,y)

A counterclockwise rotation at 90 degrees to the origin will yield the coordinates (-y,x)

So A (-2,-6) will be A’ (6,-2) while B (3,-1) will be B’ (1,3)

4 0

3 years ago

The elective courses for next year are gym, shop, art, consumer science, criminal justice, and computer science. Amber needs to

Nezavi [6.7K]

Answer:

She can choose her electives in 20 ways.

Step-by-step explanation:

The order in which she chooses the courses is not important, which means that the combinations formula is used to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

How many ways can she choose her electives?

3 electives from a set of 6. So

$C_{6,3} = \frac{6!}{3!(6-3)!} = 20$

She can choose her electives in 20 ways.

3 0

3 years ago