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ella [17]
3 years ago
13

Find the value of z. Plsssss helpppppp

Mathematics
1 answer:
serg [7]3 years ago
3 0
Answer:
z =

Explanation:
Inside angles equal to 120
Angles on a straight angel equal to 180
180 - 120 = 69
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What is<br> 2x+3y=17<br> 3x+2y= -0.5
Flauer [41]

1.x=1 y=5

2.x=0 y=1/4

4 0
3 years ago
What measure of center best represents the data set?
inysia [295]
I feel like it would be mean or median, because there is no outlier, making it so that all of the numbers are closely put together.

Put the set into order.

25, 26, 27, 28, 29

So, we know that this is all in order, making it so that we know for sure that there is no outlier. 

If you find the mean, it'll represent the data nicely. 

We know that both the mean and median represent the data set nicely, because it just does. It's one of those things that are extremely painful and hard to fully explain and have someone understand, but don't worry, it makes sense.

So, it can't just be the mean only or the median only.

It also can't be the mode only, because THERE IS NO MODE! 

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~Hope I helped!~
7 0
3 years ago
Help with 10 c). Plssss
Liono4ka [1.6K]

Answer: It’s B or E I would go with id say E

Step-by-step explanation:

6 0
3 years ago
2. Maria is monitoring the temperature of
stiks02 [169]

Here, we are required to determine after how many minutes will the two substances be at the same temperature.

The equation of when the two substances will be at the same temperature and the solution are as follows;

(a) The equation is 96.2 + 1.5(x) = 98.5 + 0.8(x).

(b) The solution is, x = 3.285minutes.

For substance A which is currently at 96.2° and rising at 1.5° each minute; It's temperature after x minutes is given as;

  • T(a) = 96.2 + 1.5(x)

For substance B which is currently at 98.5° and rising at 0.8° each minute; It's temperature after x minutes is given as;

  • T(b) = 98.5 + 0.8(x)

(a) For the two substances to be at the same temperature; T(a) must be equal to T(b).

  • T(a) = T(b)

The equation is therefore;.

96.2 + 1.5(x) = 98.5 + 0.8(x)

(b) To determine the solution;

1.5x - 0.8x = 98.5 - 96.2

0.7x = 2.3

x = 2.3/0.7

x = 3.285minutes.

Read more:

brainly.com/question/20248109

5 0
2 years ago
A row of seats in stadium has 10 seats per section and 10 section per row. How many seats are there in 6 row ?
Keith_Richards [23]

Answer:

26 seats

Step-by-step explanation:

10+10=20 +6 =26

4 0
3 years ago
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