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STatiana [176]
2 years ago
6

Can someone help me I’m having trouble finding the area of the shaded region in each figure and round the answer to two decimal

places and I have to use 3.15:(

Mathematics
1 answer:
stellarik [79]2 years ago
5 0

Answer:

Step-by-step explanation:

Area of a Semi Circle

Area = 1/2 pi r^2

r = d/2

r = 3/2

r = 1.5

Area = 1/2 3.14 * 1.5^2

Area = 1/2 * 3.14 * 2.25

Area =                                                           3.5325

Area of Rectangle

L = 12 Yd

W = 4 Yd

Area = L * W

Area = 12 * 4<u>  =                                          48 </u>

Total Area =                                               51.5325

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Consider testing batteries coming off an assembly line one by one until one having a voltage within prescribed limits is found.
sleet_krkn [62]
It's clear enough that

\mathbb P(E_i)=\mathbb P(i=j)=\begin{cases}0.99&\text{for }j=1\\0.01\times0.99&\text{for }j=2\\0.01^2\times0.99&\text{for }j=3\\\vdots\end{cases}

Because each of the E_i are disjoint, it follows that

\displaystyle\mathbb P(\text{sample space})=\mathbb P(E_1\cup E_2\cup\cdots)=\mathbb P\left(\bigcup_{i=1}^\infty E_i\right)=\sum_{i=1}^\infty\mathbb P(E_i)
=0.99+0.01\times0.99+0.01^2\times0.99+\cdots
=0.99(1+0.01+0.01^2+\cdots)
=0.99\displaystyle\sum_{n=0}^\infty 0.01^n
=0.99\times\dfrac1{1-0.01}
=\dfrac{0.99}{0.99}=1
5 0
2 years ago
The coordinate plane shows the floor plan for a swimming pool. What is the area of the pool’s border?"
emmasim [6.3K]
<span>A = Area
L= Length = 15
W + widith = 10
A = 150
The pool area is L = 10
w= 5
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So the area of the perimeter = 100 square meters</span>
5 0
3 years ago
Read 2 more answers
I need help please help
Bumek [7]

Answer:

:) good day mate

Step-by-step explanation:

:) indeed

6 0
3 years ago
What is the slant height, s, of the triangular prism?
Rufina [12.5K]

Answer:

5.4

Explanation:

a²+b²=c²

2²+5²= 4+25

4+25=29

Now we have to square root the 29 which would make the answer 5.4

4 0
3 years ago
A rectangular plot of farmland will be bounded on one side by a river and on the other three sides by a​ single-strand electric
otez555 [7]

Answer:

dimension are 350 m and 350 m  and

area is 122500 m²

Step-by-step explanation:

Given data

perimeter is 700 m

to find out

the largest area and its​ dimensions

solution

we consider x and y are the sides

so area is xy

perimeter is 2x+ y = 700

so we can say y = 700 -2x

so area will be = x (700 - 2x)

area = 700x - 2x²

we take derivative here and equal to zero

dA/dt = 700x - 2x²

700 - 4x = 0

x = 700/4

x = 175

so will be

y = 700 -2x

y = 700 -2(175)

y = 350

so dimension are 350 m and 350m

area is 122500 m²

3 0
2 years ago
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