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erik [133]
3 years ago
5

Find the distance a) (- 8,6 ) ( 1, 8)​

Mathematics
1 answer:
cupoosta [38]3 years ago
8 0

Answer:

under root85

Step-by-step explanation:

=under root[(1+8)^2+(8-6)^2]

=under root (85)

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Evaluate 13 + 6/y when y = 6
DIA [1.3K]

Answer: 14

Step-by-step explanation: According to PEMDAS you do division first so if y=6 then you do 6/6=1. Then add 13+1

4 0
3 years ago
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An office room is 12 ft by 10 ft with a door that is 30 inches wide. How many feet of baseboard are needed to go around the room
Lina20 [59]
Draw a diagram to illustrate the problem as shown below.
The length of baseboard needed is AB + BC + CD + DE + FE.
Note that 30 in = 30/12 ft = 2.5 ft.

Because of the door opening,
AB + EF = 12 - 2.5 = 9.5 ft
Also,
BC = DE = 10 ft
CD = 12 ft.

The amount of baseboard needed is
AB + BC + CD + DE + FE
= (AB + EF) + BC + CD + DE
= 9.5 + 10 + 12 + 10
= 41.5 ft

Answer:
41.5 feet of baseboard.

7 0
3 years ago
Third grade 1 - 4/7 =?
Hitman42 [59]

Answer:

3/7

or

0.4285714286

4 0
3 years ago
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Dean Halverson recently read that full-time college students study 20 hours each week. She decides to do a study at her universi
romanna [79]

Answer: The p-value is 0.154.

Step-by-step explanation:

Since we have given that

We claim that

Null hypothesis :

H_0:\mu=20

Alternate hypothesis :

H_1:\mu

Population mean = 20 hours

Sample mean = 18.5 hours

Sample standard deviation = 4.3 hours

Sample size n = 35

So, test statistic would be

z=\dfrac{\bar{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\z=\dfrac{18.5-20}{\dfrac{4.3}{\sqrt{35}}}\\\\z=\dfrac{-1.5}{0.726}\\\\z=-2.066

So, the  p value would be 0.154.

Hence, the p-value is 0.154.

4 0
3 years ago
Nancy is 5 years younger than her brother Stan. Last year she was twice as young as he was. How old is each of them now?
otez555 [7]
Nancy: 5 Stan: 10

5 is 5 years
younger then Stan
And 5 is twice as
young as 10
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3 years ago
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