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motikmotik
3 years ago
15

What is the first step in constructing an inscribed circle inside of triangle XYZ?

Mathematics
1 answer:
Rina8888 [55]3 years ago
6 0

Answer:

A

Step-by-step explanation:

construct the perpendicular bisector of segment xy

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Which of the following is a rational number?
olga nikolaevna [1]

Answer:

B

Step-by-step explanation:

when you solve B you get 15 and for all the other ones you get a non-terminating decimal

8 0
3 years ago
24. The function f(t) = -16t^2 +20t +4 gives the height of a ball, in feet, t seconds after it is tossed.
NeX [460]

Answer:

-12 feet per second

Step-by-step explanation:

average rate of change over [0.75, 1.25] = \frac{f(1.25) - f(0.75)}{1.25 - 0.75}

f(1.25) - f(0.75) = 4 - 10 = -6

1.25 - 0.75 = 0.5

\frac{f(1.25) - f(0.75)}{1.25 - 0.75} = \frac{-6}{0.5} = -12

7 0
4 years ago
Read 2 more answers
A random sample of size results in a sample mean of and a sample standard deviation of . An independent sample of size results i
Studentka2010 [4]

Answer:

A typical example would be when a statistician wishes to estimate the ... by the standard deviation ó) is known, then the standard error of the sample mean is given by the formula: ... The central limit theorem is a significant result which depends on sample size. ... So, the sample mean X/n has maximum variance 0.25/ n.

Step-by-step explanation:

3 0
3 years ago
a student was 48 inches tall in 5th grade. now, the student measures 60 inches tall on 8th grade. what is the percent increase o
rusak2 [61]

Answer:

25% increase in height

Step-by-step explanation:

60 - 48 = 12 inches taller

12 ÷ 48 = .25 = 25% increase in height

8 0
3 years ago
A large emerald with the mass of 378.24 grams If the density of the emerald is 2.76 grams with a CM over 3 what is the volumn
Viefleur [7K]
Density=mass/volume

d=m/v

v=m/d, we are told that m=378.24 and d=2.76 so

v=378.24/2.76

v≈137.04 cm^3  (to nearest hundredth of a cubic centimeter)

8 0
3 years ago
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