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Ulleksa [173]
3 years ago
5

The mean temperature for the first 7 days in January was 3 °C.

Mathematics
1 answer:
weeeeeb [17]3 years ago
6 0

m = \frac{a_1 + a_2 + ... + a_n}{n}\\~\\m = \frac{3 * 7 + 2}{8} = \frac{21 + 2}{8} = \frac{23}{8} = 2,875

Answer: 2,875.

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4 years ago
Find m&lt;1.<br><br> A. 69<br> B. 111<br> C. 71 <br> D. 86
Neko [114]

Answer:

A) 69°

Step-by-step explanation:

Exterior angle = sum of interior angles

Angle 1 = 30 + 39 = 69°

5 0
4 years ago
6,000 people voted in a town election. Of the two candidates, the winning candidate received 4,000 more votes than the losing ca
AVprozaik [17]

Answer:

Step-by-step explanation:

let x = the number of votes of the first person

winner  = x + 4000

x+ x+4000 = 6000

2x=2000

x=1000

first person = x = 1000

winner  = x+4000 = 5000

The winner got 5000 votes

8 0
2 years ago
Balloon arrangements are being made for a party. There are 35 white balloons and 45 purple balloons. Each arrangement must be id
natulia [17]

Answer:

5

Step-by-step explanation:

Find the greatest common factor of 35 and 45.

35 = 5×7

45 = 3²×5

There can be 5 identical arrangements made (arrangements of 7 white balloons and 9 red balloons).

3 0
3 years ago
Polygon Y is a scaled copy of Polygon X using a scale factor of 1/3. Polygon Y’s area isn’t what fraction of Polygon X’s area?
loris [4]

Answer:

1/9th.

Step-by-step explanation:

Because the area is measured in units squared, then you have to square 1/3 which is 19th.

5 0
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