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Free_Kalibri [48]
2 years ago
6

HELP, UNIT TEST

Mathematics
1 answer:
Ksivusya [100]2 years ago
7 0

Answer:

{Minimum}\space\left(-2,\:-16\right)minimum (-2,  -16)

Step-by-step Explanation:

y=\left(x-2\right)\left(x+6\right):\\

a=1,\:m=2,\:n=-6

x_v=\frac{m+n}{2}

x_v=\frac{2+\left(-6\right)}{2}

Plug in xv = -2 to find the  value

y_v=-16

\left(-2,\:-16\right){Minimum}\space\left(-2,\:-16\right)

{Minimum}\space\left(-2,\:-16\right)minimum (-2,  -16)

\mathrm{Minimum}\space\left(-2,\:-16\right)

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Workers in an office of 60 staff were asked their favourite type of take-away.
nikdorinn [45]

Answer:

a = 84°

b = 36°

c = 24°

d = 84°

e = 132°

Step-by-step explanation:

The parameters of the workers in the office are;

The number of staffs in the office = 60 staffs

The take-aways are pizza, curry, fish & chips, kebab and other

The frequency for the above take-aways = 14, 6, 4, 14, and 22 respectively

The variables for the angles representing the above take-aways on the pie chart = 'a', 'b', 'c', 'd', and 'e'; respectively

In order to find the size of the angles that represent each group of workers in the pie chart, we find the ratio of the group size to the total number of workers and we multiply the result by 360° as follows;

∠a = 360° × 14/60 = 84°

∠b = 360° × 6/60 = 36°

∠c = 360° × 4/60 = 24°

∠d = 360° × 14/60 = 84°

∠e = 360° × 22/60 = 132°

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3 years ago
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Answer:

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