Question 2 of 20, Step 1 of 1

Mathematics

1 answer:

miss Akunina [59]3 years ago

7 0

Step-by-step explanation:

3360832553 ____ pass___ wZE2XQ

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The country's area is 4.7×105 square kilometers. There is an average of 2.4×102 people per kilometer living in the country.

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120,808.8
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3 years ago

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Find the values of x and y

arsen [322]

Answer:

x=18√6 , y=36√2

Step-by-step explanation:

${z}^{2} = 18 {}^{2} + 18 {}^{2} - 2(18)(18) \cos(90 ) \\ z = 18 \sqrt{2 } \\ \frac{x}{ \sin(60) } = \frac{z}{ \sin(30) } \\ x = 18 \sqrt{6} \\ \frac{y}{ \sin(90) } = \frac{z}{ \sin(30) } \\ y = 36 \sqrt{2}$

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3 years ago

Find the common difference of the arithmetic sequence. 4,32/3,31/3,3<br> The common difference is

ale4655 [162]

2 is the common difference

3 0

3 years ago

Help please.

Murljashka [212]

Add up them up
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18.3+11.2
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5 0

2 years ago

Simplify the given expression. (4x2squared-15x-21)+3x2squared-10)

Bess [88]

Answer:

$7x^{2} - 15x -31$

Step-by-step explanation:

$(4x^{2} - 15x -21) + 3x^{2} - 10 = 4x^{2} + 3x^{2} - 15x -21 - 10 = 7x^{2} - 15x -31$

4 0

3 years ago