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fgiga [73]
3 years ago
15

10p-3p-2/4+5 when p=10

Mathematics
1 answer:
stealth61 [152]3 years ago
7 0

Answer: The answer is 10(10)−3(10)−2/4+5=149/2 (Decimal: 74.5)


Step-by-step explanation: Too lazy to explain sorry sksksksksksk but like there's the answer :)


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A student wants to estimate the mean score of all college students for a particular exam. First use the range rule of thumb to m
Wewaii [24]

Answer:

See explanation below

<u>Step-by-step explanation:</u>

range = 2200 - 300 = 1900

To find standard deviation, we have:

standard deviation = range/4 = \frac{1900}{4} = 475

The range rule of thumb estimate for the standard deviation is 475

Given:

Standard deviation,\sigma = 475

Margin of Error, ME = 100

\alpha = 1 - 0.90 = 0.10

Za/2 = Z0.05 = 1.64

Find sample size, n:

n ≥ [Z_\alpha_/_2 * (\frac{\sigma}{ME})]^2

n ≥ [1.64 * (\frac{475}{100})]^2

n ≥ 60.68

≈ 61

Minimun sample size,n = 61

5 0
3 years ago
A person can pay $14 for a membership to the history museum and then go to the museum for just $5 per visit. What is the maximum
umka2103 [35]
Hi there!
First we subtract 44-14 leaving us with 30. 5x6 = 30
Therefore, a member can visit a history museum 6 times to equal a total cost of $44.
In a different situation:
If the person has already paid the $14, and that doesn’t count as a visit, then a person would have to visit a museum 8 times to get a total of $45. Considering this is a real-world problem.
I hope this helps and have a good day :) !
~Angel
8 0
3 years ago
PLEASE ANSWER !! you went to Olive Garden with your family. The bill was $64.25. You left a 16% tip. How much money was your bil
irina [24]

Answer:

$74.53

Step-by-step explanation:

16%=0.16

0.16*64.25+64.25

=(0.16+1)*64.25

=$74.53

8 0
3 years ago
From a distance of 110 m, the angle of elevation to the top spire of a tower is 35°.
Nady [450]

Answer:

  77 m

Step-by-step explanation:

The geometry can be modeled by a right triangle. The distance from the viewpoint to the base of the tower is 110 m, the leg of the triangle adjacent to the angle. The height of the spire is the leg of the triangle opposite the given angle. The relevant trig relation is ...

  Tan = Opposite/Adjacent

__

Using the given numbers, we find ...

  tan(35°) = height/(110 m)

  height = (110 m)tan(35°) = (110 m)×0.700208 ≈ 77.0 m

The height of the tower is about 77 meters.

3 0
2 years ago
Rita gets paid $16 per hour for the first 8 hour she works each day. she earns 1 1/2 her hourly pay rate for times she works ove
Andrej [43]
8:15 a.m to 12:45 p.m......4 hrs 30 min
took 45 min lunch (not paid)....now its 1:30 p.m.....
1:30 p.m. to 6:45 pm = 5 hrs 15 min

5 hrs 15 min + 4 hrs 30 min = 9 hrs 45 min or 9 3/4 hrs

$ 16 for first 8 hrs......overtime pay is $ 24 per hr....leaving 1 hr and 45 min or 1 3/4 hrs overtime
16 + 24(7/4) = 16 + 42 = $ 58 <===
3 0
3 years ago
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