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____ [38]
3 years ago
12

Steve noticed that there were 72 lights on and 78 lights turned off.

Mathematics
1 answer:
Oliga [24]3 years ago
7 0

Answer:

49% of the lights are on!

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Evaluate and simplify the following complex fraction.
likoan [24]

Answer:

yjyjytjyjtyjyjtyjtyjyhjyjnfrhjnrthj

Step-by-step explanation:

8 0
2 years ago
Graph the equation using the point and the slope.
Alekssandra [29.7K]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have the equation of the line in point slope form

y-5=\frac{1}{5}(x-5)

where

the point is (5,5)

the slope is m=1/5

Remember that

The formula of slope is "rise over run", where the "rise" (means change in y, up or down) and the "run" (means change in x, left or right)

so

<em>To graph the line</em>

1. Plot the point (5,5).

2. From that point, count right 5 units and up 1 unit and plot a second point.

3. Draw a line through the two points

so

The new point is (5+5,5+1) ----> (10,6)

Plot the points (5,5) and (10,6) and draw a line through the two points

The graph in the attached figure

3 0
3 years ago
How would you simplify <br>(3+i)(4+2i)?​
const2013 [10]

Answer:

<h2>(3 + i)(4 + 2i) = 10 + 10i</h2>

Step-by-step explanation:

Use FOIL: (a + b)(c + d) = ac + ad + bc + bd

and i² = -1

(3+i)(4+2i)\\\\=(3)(4)+(3)(2i)+(i)(4)+(i)(2i)\\\\=12+6i+4i+2i^2\qquad\text{combine like terms}\\\\=(12-2)+(6i+4i)\\\\=10+10i

7 0
3 years ago
Read 2 more answers
50 points! PLEASE HELP WITH THIS! Show how you got the answers!!! WIll mark as brainliest!!! DONT ANSWER IF YOU DONT KNOW IT!!
JulsSmile [24]

Answer:

x=4

x=17.9

Step-by-step explanation:

For the first diagram.

cos(45°)=x/4√2

x=4√2cos(45°)

x=4

For the second diagram

tan(38°)=14/x

0.781=14/x

x=14/0.781=17.9

7 0
2 years ago
Find the product of 4h(6ah)<br><br> please tell the correct answer:
svlad2 [7]

Answer:

24ah^{2}

Step-by-step explanation:

4 0
3 years ago
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