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Marianna [84]
3 years ago
15

Amelia is deciding between two landscaping companies for her place of business.

Mathematics
1 answer:
Margarita [4]3 years ago
4 0

Answer: B is Cheaper

Step-by-step explanation: Pic is attached. It is the initial price plus the money they charge per hour, multiplied by hour. From there it is just plugging in 7 for the hour. Hope this helps!

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Researchers report that on average freshman who live on campus gain 15 pounds during their first year in college. You survey 10
neonofarm [45]

Answer: 1.460

Step-by-step explanation:

Given : Researchers report that on average freshman who live on campus gain 15 pounds during their first year in college.

Let \mu represents the population mean .

Then, the set of hypothesis will be:-

H_0: \mu=15

H_a:\mu\neq15

We assume that this is normal distribution.

Sample size : n = 10, which is a small sample (n<30) ,s o we use t-test.

Sample mean : \overliene{x}=16.2\ lbs

Standard deviation : \sigma=2.6

The test statistic for population mean for small sample is given by :-

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

t=\dfrac{16.2-15}{\dfrac{2.6}{\sqrt{10}}}=1.45951276623\approx1.460

Hence , the value of test statistic = 1.460

4 0
3 years ago
Consider the following two circles. Circle P with center (-1, 2) and radius 3 and circle Q with center (3, 4) radius 5. What seq
KonstantinChe [14]

Answer:

<h2>B. Dilation centered at P, followed by reflection across the y-axis and then the line y = -x + 5</h2>

Step-by-step explanation:

<h3>Circle P.</h3>

Centerat (-1, 2).

Radius of 3.

<h3>Circle Q.</h3>

Center at (3, 4).

Radius of 5.

To carry one circle onto the other, their centers and radius must be the same.

So, circle P must be shifted from (-1, 2) to (3, 4), that means the translation is 4 units to the right side and two units upside, this is the first transformation.

The second transformation must be about stretching the circle P, from a radius of 3 to a radius of 5.

Therefore, the right answer is B.

4 0
3 years ago
Una ayuda porfavor, lo necesito urgente, es algebra
PilotLPTM [1.2K]

Answer:

yes

Step-by-step explanation:

yessir I was at the game was going to the game was going to the game was good to go to the game was going to the game

6 0
3 years ago
What is 0.00000000472 estimated as the product of a single digit and a power of 10?
Vesnalui [34]
0\underbrace{.000000004}_{9\to}72=4.72\cdot10^{-9}
5 0
3 years ago
Read 2 more answers
Distribute &amp; Simplify 6 + 2 (7x +3y-1)
Nostrana [21]

Answer:

56x+24y-8

Step-by-step explanation:

6 + 2 (7x +3y-1)

8(7x+3y-1)

56x+24y-8

6 0
3 years ago
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