2 years ago

Determine if the set is well defined or not well defined. The set of U.S. cities

Mathematics

1 answer:

Kisachek [45]2 years ago

7 0

Answer:

Well-defined

Step-by-step explanation:

Because it clearly refers to the cities in the U.S.

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Point E has coordinates (-11, 7), and point F has coordinates (-5, 1). To the nearest unit, what is the distance between the two

Zigmanuir [339]

Answer:

8 units

Step-by-step explanation:

We can use the distance formula. Recall the distance formula:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Let (-11,7) be $x_1$ and $y_1$ , and (-5,1) be $x_2$ and $y_2$

Plug in the numbers:

$d=\sqrt{(-5-(-11))^2+(1-7)^2$

$d=\sqrt{6^2+(-6)^2}$

$d=\sqrt{36+36}=\sqrt{72}=6\sqrt2\approx8$

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3 years ago

What is the area of the triangle

Dmitry [639]

Answer:

Step-by-step explanation:

8 × 4 = 32

32 ÷ 2 = 16

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3 years ago

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3 years ago

Find cos (P) 74 70 P 24 R

nikitadnepr [17]

Answer:

Cos P = 12/37

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

Cos theta = adj / hyp

cos P = 24 / 74

Cos P = 12/37

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2 years ago

If 15 is 1/4 what is 7.5 (15 is 1/4 of 60)

Soloha48 [4]

Answer:

1/8

Step-by-step explanation:

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