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nydimaria [60]
2 years ago
13

What is the measure of ∠J?

Mathematics
2 answers:
Phoenix [80]2 years ago
8 0

Answer:

6+6=12 12%3

ese seria el resultado

Readme [11.4K]2 years ago
3 0

Answer:

<J = 45

Step-by-step explanation:

180 - 90 = 90

90/2 (because 2 angles are left) = 45

also <K will equal 45 as well

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3x3 – 19x2 + kx – 30<br> What is the value of k?
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Answer:

Let's simplify step-by-step.

(3)(3)−(19)(2)+kx−30

=9+−38+kx+−30

Combine Like Terms:

=9+−38+kx+−30

=(kx)+(9+−38+−30)

=kx+−59

Answer:

=kx−59

6 0
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Step-by-step explanation:

Just took the test on Edg. Hope it helps :)

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3 years ago
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​Recently, a random sample of 13-18 year olds was​ asked, "How much do you currently have in​ savings?" The data in the table re
Sonbull [250]

Answer:

μ = 235.38

σ = 234.54

Step-by-step explanation:

Assuming the table is as follows:

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This is an example of grouped data, where a range of values is given rather than a single data point.  First, find the total frequency.

n = 339 + 86 + 55 + 18 + 11 + 8 + 3

n = 520

The mean is the expected value using the midpoints of each range.

μ = (339×100 + 86×300 + 55×500 + 18×700 + 11×900 + 8×1100 + 3×1300) / 520

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μ = 235.38

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σ² = [(339×100² + 86×300² + 55×500² + 18×700² + 11×900² + 8×1100² + 3×1300²) − (520×235.38²)] / (520 − 1)

σ² = 55009.7

The standard deviation is:

σ = 234.54

6 0
3 years ago
To make hummingbird nectar you must use 4 cups of water and 1 cup of sugar. What is the ratio of water to sugar?
Paladinen [302]
4:1,

there are 4 cups of water for every 1 cup of sugar
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