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Alex Ar [27]
3 years ago
7

Simplify the expression: 9squareroot72

Mathematics
2 answers:
Sav [38]3 years ago
4 0
9*√(72)

9*√(2*36)

9*√(2)*√(36)

9*√(2)*6

9*6*√(2)

54√(2)
kati45 [8]3 years ago
3 0
9\sqrt{72} \\9\sqrt{36 * 2} \\9\sqrt{36}\sqrt{2} \\9(6\sqrt{2}) \\54\sqrt{2}
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Which expression represents the value of the series below?<br> 3+ 7 + 11 + 15 + ... + 1,671
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Answer:

Step-by-step explanation:

This is an Arithmetic Series with common difference 4 and first term 3

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2 years ago
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3 years ago
Read 2 more answers
Which number is three million times larger than 2.3 x 104 ? A) 2.3 x 107 B) 2.3 x 108 C) 6.9 x 109 D) 6.9 x 1010
Strike441 [17]
Your answer is D 6.9*1010 because...                                                                                                                                                                                                      Q: 2.3*104=239.2                                                                                                   A   2.3*107=246.1                                                                                                 B     2.3*108=248.4                                                                                               C       6.9*109=752.1                                                                                             D         6.9*1010=6,969 >>>> Your answer                                                                        Your answer is D.
8 0
3 years ago
In triangle abc, ac=12, the measure of angle a = 30\deg, and the measure of angle b = 45\deg. find the area of this triangle.
Anuta_ua [19.1K]

First we have to find the missing angle. And we know that sum of the measurement of angles of a triangle is 180.

So we will get

C = 180-30-45 = 105 degree

Now we use sine law, which is

\frac{sin \ A}{BC} = \frac{sin \ B }{AC}

Substituting the values, we will get

\frac{sin 30}{BC} = \frac{sin 45}{12}

BC = \frac{12 sin 30}{sin 45} = 6 \sqrt2

The formula of area of triangle, for the given triangle is

Area= \frac{1}{2}AC*BC sinC

Area = \frac{1}{2}*12*6 \sqrt 2 sin(105)= 49.2 \ square \ units

6 0
3 years ago
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