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3 years ago

The portion of the sailboat outlined in this photo closely resembles a(n)

Mathematics

1 answer:

riadik2000 [5.3K]3 years ago

4 0

Answer:

Step-by-step explanation:

The solution is right triangle. The triangle appears to have one right angle and two acute angles. This fits the definition of a right triangle.

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Choose the phrase that best describes the matrix

lions [1.4K]

Answer:

coefficent matrix

Step-by-step explanation:

P. 366

"If the column of constant terms is not included, the matrix reduces to that of the coefficent matrix of the system"

-1 -3 -1

9 -9 -1

-1 -3 4

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3 years ago

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Consider the one-sided confidence interval expressions for the mean of a normal population. Round your answers to 2 decimal plac

ser-zykov [4K]

Answer: a) 0.84 b) 0.67 c) 1.28

Step-by-step explanation:

Using the standard normal distribution table for z-value , we have

(a) The value of $z_{\alpha}$ would result in a 80% one-sided confidence interval : $z_{(1-0.80)}=z_{0.20}=0.8416\approx0.84$

(b) The value of $z_{\alpha}$ would result in a 85% one-sided confidence interval : $z_{(1-0.85)}=z_{0.25}=0.6744897\approx0.67$

(c) The value of $z_{\alpha}$ would result in a 90% one-sided confidence interval : $z_{(1-0.90)}=z_{0.10}=1.2815515\approx1.28$

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3 years ago

What is the range of the function represented by these ordered pairs?

Finger [1]

Answer:

Choice 2

Step-by-step explanation:

Range is talking about the y value of the coordinates. Choice 2 has all the y value in the function

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3 years ago

Find m abc (2x) (5x+5)

Gemiola [76]

< ABD + > ABC = 180.....because these angles form a linear pair
2x + 5x + 5 = 180
7x + 5 = 180
7x = 180 - 5
7x = 175
x = 175/7
x = 25

< ABC = 5x + 5......5(25) + 5 = 130 <==

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3 years ago

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Is 78.006 greater, less, or equal to 78.01

skad [1K]

Less, 78.01 has a one in the hundredths place, while 78.006 has a 0, and 0 < 1.

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3 years ago

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