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shusha [124]
3 years ago
15

The regular octagon in the ceiling of this cathedral has a radius of 10.5 feet and a perimeter of 64 feet.

Mathematics
2 answers:
SVEN [57.7K]3 years ago
4 0

Answer:

first blank: 9.7

second blank: 310.4

serg [7]3 years ago
3 0

Answer:

9.7 feet and 310.4 square feet

Step-by-step explanation:

i did edg

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3/2x - 4 = 16

Add 4 to both sides.

3/2x = 20

Multiply by 2/3.

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3 years ago
Line FG is represented by the equation 8x+3y=10. Which value is the slope of a line perpendicular to line FG
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The correct answer is 3/8

Step-by-step explanation:

It was in my practice and I had gotten it correct.

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The result can be shown in both exact and decimal forms.

Exact Form:

2

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Decimal Form:

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3 years ago
There are 28 students in a class. 13 of the students are boys. Two students from the class are chosen at random. a) If the first
Luba_88 [7]

Answer:

Step-by-step explanation:

3 0
2 years ago
Assume X is normally distributed with a mean of 5 and a standard deviation of 2. Determine the value for x that solves each of t
mihalych1998 [28]

Answer:

U = 5

S = 4

1.) P(X>x) = 0.5

Prob = 1-0.5 = 0.5

We have z = 0, that is the z score with the probability of 0.5

X = u + z(s)

= 5+0*4

= 5

2.) 1-0.95 = 0.05

Z score having this probability

Z = -1.64

X = 5-1.64*4

= 5-6.56

= -1.56

3.) P(z<1.0) - p(X<x) = 0.2

0.841345-0.2 = .641345

We find the z score given this probability

Z= 0.36

X = 5+0.36*4

= 5+1.44

= 6.44

4.) P(X<x)-P(Z<-.5)

0.95 = p(X<x)-0.308538

p(X<x) = 0.308538 + 0.95

= 1.258538

There is no x value here, given that the probability is more than 1.

5. 1-0.99/2 = 0.005

We get the z score value

= -2.58

U - 5 = 5-5 = 0

-x = 0-2.58(4)

X = 10.32

5 0
3 years ago
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