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4 years ago

Can someone plz help me with this and i need the drawing to show work

Mathematics

1 answer:

Burka [1]4 years ago

4 0

Answer:

20.833 feet

Step-by-step explanation:

The light reflects off the mirror at the same angle that it hits it at. So the triangle formed by the beam and mirror is similar to the triangle formed by Kevin and the mirror.

Therefore, we can write and solve a proportion.

h / 10 = 6.25 / 3

h = 20.833

The beam is 20.833 feet tall.

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Question 2 of 10

andrew-mc [135]

Answer:

B. 15.

Step-by-step explanation:

In order to get this answer, we just need to substitute the value of x in the formula and calculate the answer. Let's rewrite the expression with the substituions:

4((5)+5) ((5)+1) / ((5)+3) ((5)-3) = (40) (6) / (8) (2)= 240/16= 15.

6 0

1 year ago

What two numbers multiply to -96 and add to -29

Maru [420]

96 multiples by 29 is 2842 if that was your answer

4 0

3 years ago

Which statements apply to the expression 3/5 ? Check all that apply

Anna71 [15]

Answer:

1/5 ig

Step-by-step explanation:

Snap filter T-T ik ik it makes mwe look irresistible :P

5 0

2 years ago

Read 2 more answers

The graph shows the rate at which the depth of the water in a pond is changing over time. On a coordinate plane, a graph titled

GREYUIT [131]

Answer:

Step-by-step explanation:

The key to solving this question is to find the distance bwtween the two points given

distance=y2-y1/x2-x1

(2,4)(4,8)

2=x1,4=y1

4=x2

8=y2

8-4/4-2

4/2=2

The depth of the water is increasing by 2 ft each minute

8 0

3 years ago

If y = 5x - 3, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

anastassius [24]

Answer: B. {[-1,-8),0,-3),(3,12) if im wrong sowwy

Step-by-step explanation: One simple way to solve this is that 0 = B

The formula you use in order to solve this is y= mx+b

y= 5x-3

As we know the -3 is b and 0 is always equal to -3 C is the only choice with 0 and -3 and in x is o and y is -3 the input is 0 and the ouput is -3

x is always and input while as y is always an output.

3 0

3 years ago