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ELEN [110]
2 years ago
14

The table shows some information about the lifetimes,

Mathematics
1 answer:
NISA [10]2 years ago
8 0

Answer:

25 < t < 350

Step-by-step explanation:

The mean lifetime of a bulb ranges from 25 to 350 hrs but the question is unclear.

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Mars2501 [29]
(x-3)(x-5)

i hope this helps :)
5 0
4 years ago
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Determine the value of angle x and angle y
ss7ja [257]

Answer:

80

Step-by-step explanation:

Sum of interior angles of a polygon = (n-1)x180= (6-2)x180=720

Since this looks like a regular hexagon each interior angle =720/6=120

Hence the inside angle touching the line is 120 (inside the hexagon)

Since one side of the hexagon is parallel to the line, y and 20 form adjacent angle, sum 180,

Then y= 180-20=160

Then x=360-(160+120)=80 because sum of all angles round a point=360

5 0
3 years ago
How do you work out pie charts if thewy don't have any numbers on them?
abruzzese [7]
Adding on to the previous, estimate FRACTIONS of the chart, and then figure out the percentage of those fractions
6 0
4 years ago
Complete the description of the slope of the line that joins the points
Grace [21]

Answer:

The slope of the line that joins the points is negative.

i.e m = -6/5

Step-by-step explanation:

Taking two points from the graph to determine the slope

  • (-3, 4)
  • (2, -2)

Finding the slope between (-3, 4),(2, -2)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}'

\left(x_1,\:y_1\right)=\left(-3,\:4\right),\:\left(x_2,\:y_2\right)=\left(2,\:-2\right)

m=\frac{-2-4}{2-\left(-3\right)}

m=-\frac{6}{5}

Therefore, the slope of the line that joins the points is negative.

i.e m = -6/5

7 0
3 years ago
Simplify the expresion: 2+(a+8)
Marta_Voda [28]
A + 10 is the answer.
3 0
3 years ago
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