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snow_tiger [21]
3 years ago
11

Who is good at math I really need help

Mathematics
1 answer:
const2013 [10]3 years ago
6 0
Me I am very good at math I am a tutor
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The fifth-grade teachers at Washington High School are decorating bulletin boards to get
Yuki888 [10]

The teacher will use 3 rolls only to have perfect measurements.

1 yard = 3 feet

4 large bulletin boards are there each needing 9 yards of border.
That means 4 large bulletin boards in total need

9×4 yards of border

= 36 yards of border

= 108 feet of border

Also, there is a small bulletin board that only needs 12 feet border

Hence, in total there is a need for

108 + 12 = 120 feet border.

The border is sold in 40-foot rolls.
Hence, there is a need for 120/40 rolls

i.e. 3 rolls

Hence, the teacher will use 3 rolls only.  

Learn more about measurements here-

brainly.com/question/15658113

#SPJ10

6 0
1 year ago
I need help solving for the angle.​
ohaa [14]
Use a protracter :) hope this helps!
6 0
3 years ago
The mean life of a tire is 30,000 km. The standard deviation is 2000 km. 95% of all tires will have a life between___ km and ___
Llana [10]

Answer:Need more infromation

7 0
3 years ago
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John's test grades are 69, 86, 100, and 105. What is his average?
Lunna [17]
The answer is 90. you add them all up and divide it by 4
8 0
2 years ago
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The manager at a golf course found that the population mean length of the holes at the golf courses is 415.9 yd. In this​ contex
tekilochka [14]

The manager at a golf course found that the population mean length of the holes at the golf courses is 415.9 yd. In this​ context, is the number 415.9 a parameter or a​ statistic?

Answer: The number 415.9 is a parameter because it represents the population characteristic.

<u>Explanation:</u>

Parameter: Parameters are numbers that summarize the entire population. For example the population mean summarizes the entire population, similarly population standard deviation describes the characteristic of entire population.

Statistic: Statistic are numbers that describes the sample. For example, the sample mean summarizes the sample which is drawn from the population, similarly the sample standard deviation describes the characteristic of sample.

Therefore, the population mean length of the holes at the golf courses (415.9 yd) is parameter.

4 0
3 years ago
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