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coldgirl [10]
1 year ago
9

How often does always never sometimes

Mathematics
1 answer:
Vanyuwa [196]1 year ago
8 0

1) sometimes

2) always

3) always

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Pls help me <br> What is the diagram?
olga nikolaevna [1]

Answer:

c/e = e/d

Step-by-step explanation:

These are similar triangles. When you flip the larger one clockwise to enable you to see which sides are corresponding, then you find that:

c corresponds to e'

a corresponds to b

e corresponds to d

Therefore, c/e in the original position = e'/d in the flipped position.

<u>So c/e = e/d</u>

8 0
3 years ago
Suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 22 days and
Alika [10]

Answer:

25.5 days

Step-by-step explanation:

Mean number of days (μ) = 22 days

Standard deviation (σ) = 6 days

Z-score for the 72nd percentile (according to tabulated values) = 0.583

The z-score for any number of days, X, is determined by:

z=\frac{X-\mu}{\sigma}

The value of X that is greater than 72% of the trial times is:

0.583=\frac{X-22}{6}\\ X=25.5\ days

Therefore, 72% of all of these types of trials are completed within 25.5 days.

6 0
3 years ago
X/5+7=3<br> tellme fastplease
Aliun [14]

Answer:

-20

Step-by-step explanation:

x/5=3-7

x/5=-4

x=-4×5

x=-20

5 0
2 years ago
A hippopotamus can run at the speed of about 24.9 miles per hour. At this rate, how far can the hippo run in 30 minutes? Use the
tigry1 [53]
24.9 miles/hour = 24.9/60 miles/minute = .415 miles/minute 

<span>distance = speed * time </span>
<span>= .415 * 30 = 12.45 miles</span>
4 0
3 years ago
Read 2 more answers
If a ball has a 3 inch radius, what is its circumference?
Monica [59]
Circumference of a circle = 2 x pi x radius

C = 2 x pi x 3
C = 6 x pi
C = 18.84

(using 3.14 for pi)
6 0
3 years ago
Read 2 more answers
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