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sergij07 [2.7K]
3 years ago
15

Confused on this a bit. No explanation needed

Mathematics
2 answers:
Softa [21]3 years ago
8 0

Answer:

4 in

Step-by-step explanation:

reasoning: half of a circle is the diameter the radius is half of a diameter

pls give brainliest

btw if you ever need help  talk to me

btw sorry for the explanation

it wouldn't let me explain

Yuri [45]3 years ago
6 0

<em>If half of the circle is 16 inches the radios is 4 because the radios is straight line from the center to the circumference of a circle or sphere.</em>

<em> Answer: 4</em>

<em>Hope this helps~</em>

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Pam is an employee at a jewelry kiosk in a mall. If Pam works hard, there is a 75% probability that jewelry profits will equal $
Greeley [361]

Answer:

175$

Step-by-step explanation:

Given that Pam  is an employee at a jewelry kiosk in a mall. If Pam works hard, there is a 75% probability that jewelry profits will equal $400 a day and a 25% probability that jewelry profits will equal $200 a day. If Pam shirks, there is a 25% probability that jewelry profits will equal $400 a day and a 75% probability that jewelry profits will equal $200 a day.

Since Pam works hard

expected value of profit for the kiosk = 400(0.75)+200(0.25)\\=350

From this value, 50% would be given to Pam

Hence expected gain for Pam for working hard

= 0.5(350)\\=175

175 $

3 0
3 years ago
What represents the area of two of the triangular faces of the pyramid. The bases of these triangles have the same measure as th
Levart [38]

Answer:

New

Step-by-step explanation:

8 0
3 years ago
The principal randomly selected six students to take an aptitude test. Their scores were: 81.6 72.0 81.1 86.4 70.2 83.1 Determin
tatyana61 [14]

Answer:

84.38, 73.74

Step-by-step explanation:

score given 81.6, 72.0, 81.1, 86.4, 70.2, 83.1

sample size (n) = 6

mean = \dfrac{81.6+ 72.0+ 81.1+ 86.4+ 70.2+ 83.1}{6}

mean = 79.06

standard deviation

\sigma =\sqrt{\frac{\sum (x-\bar{x})^2}{n-1}}

\sigma =\sqrt{\frac{ (81.6-79.06)^2+(72-79.06)^2+(86.4-79.06)^2+(70.2-79.06)^2+(81.1-79.06)^2+(83.1-79.06)^2}{6-1}}

σ = 6.47

level of significance (α) = 1 - 90% = 10%

confidence interval

\bar{x} \pm t_{\alpha}(\frac{S}{\sqrt{n}})\\79.06 \pm 2.015(\frac{6.47}{\sqrt{6} })

=79.06 ± 5.32

= 84.38, 73.74

8 0
3 years ago
10
lora16 [44]

Answer:

(0, 3)

Step-by-step explanation:

(0, 3) is the following is the midpoint between (3, 2) and (-3, 4)

8 0
3 years ago
Read 2 more answers
Classify the pair of angles shown.​
adelina 88 [10]

Answer:

complementary angle

Step-by-step explanation:

hope this helps u

8 0
3 years ago
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