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ale4655 [162]
2 years ago
13

Stickers are sold in packages of 15 sheets. If there are 20 students in the class, how many packages of stickers should the teac

her buy so that every student gets the same amount of sheets, with none left over?
Mathematics
1 answer:
mojhsa [17]2 years ago
3 0

Answer:

4

Step-by-step explanation:

because 15 x 4 = 60

20 x 3 = 60

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Classify the following number 3.5
11Alexandr11 [23.1K]

Answer:


Step-by-step explanation:


4 0
4 years ago
An article reported that for a sample of 58 kitchens with gas cooking appliances monitored during a one-week period, the sample
Pavel [41]

Answer:

95% Confidence Interval = (611.81 ppm, 696.51 ppm)

Step-by-step explanation:

The formula for Confidence Interval is given as:

Confidence Interval = Mean ± z × s /√n

Mean = the sample mean/average = 654.16

s = the sample standard deviation = 164.55

z = z score of 95% confidence interval = 1.96

Confidence Interval =

654.16 ± 1.96 × 164.55/√58

= 654.16 ± 42.348

Hence,

654.16 - 42.348

= 611.812

Approximately to two decimal places = 611.81 ppm

654.16 + 42.348

= 696.508

Approximately to two decimal places = 696.51 ppm

Therefore, the 95% (two-sided) confidence interval for true average CO2 level in the population of all homes from which the sample was selected is (611.81 ppm, 696.51 ppm).

7 0
3 years ago
Help help help help help help
Sonbull [250]

Answer: 24

Step-by-step explanation: 4*12=48 and 8*3=24 then subtract 24 from 48 and you get 24

3 0
3 years ago
Read 2 more answers
A baker decorates 42 cupcakes in 30 minutes. She decorates cupcakes at a constant rate.
Anastasy [175]
30 mins = 42 cupcakes
1 min = 42 ÷ 30 
1 min = 1.4 cupcakes.

------------------------------------------------------------------------------------
Answer: The baker can decorate 1.4 cupcakes per minute.
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3 0
3 years ago
Read 2 more answers
Solve |3x + 9| + 6 = 6 Question 4 options: A) x = –3 B) x = 3 or x = –3 C) No solutions D) x = 3
Zanzabum

Answer:

A) x = -3

Step-by-step explanation:

|3(-3) + 9| = 0

|-9 + 9| = 0

|0| = 0

0 = 0

8 0
3 years ago
Read 2 more answers
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