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goldfiish [28.3K]
3 years ago
6

Least common mutiple. for 9 and 30?

Mathematics
2 answers:
Evgen [1.6K]3 years ago
4 0

Answer:

90

Step-by-step explanation:

stira [4]3 years ago
3 0

Answer:

90

Step-by-step explanation:

Multiples of 9:

9, 18, 27, 36, 45, 54, 63, 72, 81, <u>90</u>, 99,

Multiples of 30:

30, 60, <u>90</u>, 120

Hope this is helpful.

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How can you tell if something is a function or not a function
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<span>This characteristic of non-functions was noticed by I-don't-know-who, and was codified in "The Vertical Line Test": Given the graph of a relation, if you can draw a vertical line that crosses the graph in more than one place, then the relation is not a function.</span>
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An Internet service provider charges $9.95/month for the first 20 hours and $0.50 for each additional hour. Write an expression
inn [45]
I= 9.95 + .5h

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I = 9.95+.5(15)
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According to the data, the mean quantitative score on a standardized test for female college-bound high school seniors was 500.
Sveta_85 [38]

Answer:

6.68% of the female college-bound high school seniors had scores above 575.  

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 500

Standard Deviation, σ = 50

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Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(scores above 575)

P(x > 575)

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7 0
3 years ago
Please I'm GIVING 40 POINTS FOR REAL ANSWER
Charra [1.4K]

Answer:

x = 14

< A = 58 degrees

< B = 52 degrees

< C = 70 degrees

Step-by-step explanation:

Recall that the addition of the three internal angles of a triangle must render 180 degrees, then we can write:

<A + <B + <C = 180

and now replace with the algebraic expressions given for each angle:

2(x + 15) + 3 x + 10 + 5 x = 180

eliminate parenthesis

2 x + 30 + 3 x + 10 + 5 x = 180

combine like terms

10 x + 40 = 180

subtract 40 from both sides

10 x = 140

divide both sides y 10 to isolate x

x = 14

Now that we know x, we can calculate each of the angles using the fiven expressions:

< A = 2 (x + 15) = 2 (14 + 15) = 2 * 29 = 58 degrees

< B = 3 x + 10 = 3 * 14 + 10 = 52 degrees

< C = 5 x = 5 * 14 = 70 degrees

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If the polygon is a regular hexagon, find m&gt;S.
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