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ozzi
3 years ago
12

I need this please help me

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
4 0

9514 1404 393

Answer:

  L'(4, -3)

Step-by-step explanation:

The reflection over the horizontal line y=-1 effects the transformation ...

  (x, y) ⇒ (x, -2-y)

So, the coordinates of L are transformed to ..

  L(4, 1) ⇒ L'(4, -2-1) = L'(4, -3)

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A large software development firm recently relocated its facilities. Top management is interested in fostering good relations wi
Rashid [163]

Answer: 3.5308

Step-by-step explanation:

Claim : The firm's professionals volunteer an average of more than 15 hours per month.

i.e.  \mu>15

Null hypothesis : H_0:\mu\leq15

Alternative hypothesis : H_1:\mu>15

Sample size : n=24

The sample mean : \overline{x}=16.6\text{ hours}

Sample standard deviation : \sigma=2.22\text{ hours}

The test-statistics for the population mean is given by :-

z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

i.e. z=\dfrac{16.6-15}{\dfrac{2.22}{\sqrt{24}}}=3.5307960256\approx3.5308

Hence, the correct value of the test statistic for the appropriate hypothesis test is 3.5308.

6 0
3 years ago
gavin and marco each have equal sized pieces of rope. gavin uses 1/4 of his rope for an art project. marco uses 1/8 of his rope
marissa [1.9K]

Answer:

Gavin uses more rope.

Step-by-step explanation:

Because 1/4>1/8, since 1/4=0.25 and 1/8=0.125.

5 0
4 years ago
Tim is building a model of a castle with small wooden cubes. So far, Tim has constructed part of a security wall of the castle,
ioda

Answer:

The length has 9 cube so the length is 9/8 or 1  1/8 ft.

the width has 4 cubes, so the width is 4/8 or 1/2 ft.

The height has 11 cubes, so the height is 11/8 or  1  3/8 ft.

So, the volume of the portion of the security wall that Tim has constructed so far is  99/128 cu ft.

Step-by-step explanation:

5 0
4 years ago
Which of the following is an equivalent representation of 5^-4 ?<br> 1/81<br> 1/12<br> 1/9<br> 1/625
Mademuasel [1]

Answer:

It would be 1/625

Step-by-step explanation:

5^-4=0.0016

0.0016 as a fraction is 1/625

Hope this helps! :)

3 0
3 years ago
The table shows the altitude, in feet, of an airplane at certain times during its flight from Baltimore to Orlando since its dep
Margarita [4]

Answer:

around 8,000

Step-by-step explanation:

its because we can see that it roughly increases and decreases by 2000, its my guess, tell me how u get on

6 0
2 years ago
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