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prisoha [69]
3 years ago
13

What is the mean of the following set of numbers? 121, 347, 45, 21, 300, 614, 312, 333, 421

Mathematics
2 answers:
Norma-Jean [14]3 years ago
5 0
The mean is 279.3 repeating.
ivann1987 [24]3 years ago
3 0
To find the mean of a data set you need to add up all the numbers and then divide by the number of data. So, the mean (answer) is 279.333333333.
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The measure of _A is 18° greater than the measure of _B. The two angles are complementary. Find the
kozerog [31]

Answer:

angle A=54 degree

angle B =36 degree

Step-by-step explanation:

let angle B be x

angle A=x+18

since they are complementary angles sum of these two angles will be 90 degree

x+x+18=90

2x=90-18

2x=72

x=72/2

x=36 degree

substitute the value of x to find angle A and angle B

for angle A

x+18

36+18

54 degree

for angle B

angle B =x

=36 degree

4 0
3 years ago
Solve 2x − z = 4y + 2 for x
alina1380 [7]

Answer:

x = 2y + 1 + (z/2)

Step-by-step explanation:

Just manipulate the equation to isolate x.

4 0
3 years ago
Is the sequence 0.5, 5, 50, 500, .... an arithmetic sequence? How do you know?
malfutka [58]
No 
Arithmetic sequence has terms which decrease or increase by the same amount
for example 3,6,8,12 ....   
this sequence is geometric  where the terms are obtained by multiplying previous term by 10
4 0
4 years ago
To train for a marathon, Lily plans on running 4 miles per day for the first week and then increasing that daily distance by 1 m
user100 [1]

The equation which represent the problem is given by an = 4 + 1.00(n - 1)

<h3>How to write equation?</h3>

Number if miles Lily run per day first week = 4 miles

Additional miles per day each week = 1 mile

let

n = total miles

The equation:

an = 4 + 1.00(n - 1)

  • When n = week 2

an = 4 + 1(n - 1)

= 4 + 1(2 - 1)

= 4 + 1(1)

= 4 + 1

= 5 miles

Learn more about equation:

brainly.com/question/2972832

5 0
2 years ago
Select the correct answer.
aleksandr82 [10.1K]

Answer:

a

Step-by-step explanation:

8 0
3 years ago
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