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pogonyaev
3 years ago
5

In this polygon Find x

Mathematics
1 answer:
max2010maxim [7]3 years ago
7 0

Answer:

x=125

Step-by-step explanation:

A 7 sided figure (heptagon) has interior angles equaling 900°. (7-2)x180

900-60-90=750

6x=750

x=750÷6

x=125

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...... ..... .... ....
OleMash [197]
14×2×2×2×2= 224
Chase scored 224 points on thursday
5 0
3 years ago
A new automated production process averages 1.4 breakdowns per day. Because of the cost associated with a breakdown, management
dalvyx [7]

Answer:

The required probability is 0.167

Step-by-step explanation:

Consider the provided information.

Let x be the number of breakdown per day.

A new automated production process averages 1.4 breakdowns per day.

λ=1.4

Probability of having three or more breakdowns during a day is:

P(x\geq 3)=1-[f(0)+f(1)+f(2)]

The Poisson probability function is: f(x)=\frac{\lambda^xe^{-\lambda}}{x!}

Therefore the required probability is:

P(x\geq 3)=1-[\frac{\left(1.4^{0}e^{-1.4}\right)}{0!}+\frac{\left(1.4^{1}e^{-1.4}\right)}{1!}+\frac{\left(1.4^{2}e^{-1.4}\right)}{2!}]

P(x\geq 3)\approx1-0.833

P(x\geq 3)=0.167

Hence, the required probability is 0.167

4 0
3 years ago
PLEASE HELPPPPPPPPPPPP ME! THANK YOU!
Ainat [17]

Answer:

x=0

x=10

x=24

Step-by-step explanation:

f(x) = -.05x^2 + x +6

The initial value is 6 ( Let x=0  and f(0) = 6)

f(x) = -.05( x^2 -20 x -120)

I plotted the equation and maximum is at x=10 and the zero is at x=25

3 0
3 years ago
Plz Help! I need this ASAP! I will give brainlest!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
viktelen [127]

7)  164.26

8)77.08

9)2405.364

steps for 7) attached

steps for 8)

7 0
3 years ago
Martin’s neighbors pay him $8 per week to walk their dog. He saves his money for 5 weeks. Martin buys a new bike helmet for $37.
elena55 [62]

Answer:

8*5=40

so 40-37=3

$3left

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
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