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3 years ago

Plz help quick in the question in the pic

Mathematics

2 answers:

yaroslaw [1]3 years ago

8 0

Answer:

The number is 92

Step-by-step explanation:

Let x equal the number

It is tripled

Then it is tripled again

3(3x)

That equals 828

3(3x) = 828

9x =828

Divide each side by 9

9x/9 =828/9

x =92

kaheart [24]3 years ago

8 0

Answer:

<h2>The number is 92</h2>

Step-by-step explanation:

A number tripled and tripled again is 828:

$3(3x)=828\\\\(3\cdot3)x=828\\\\9x=828\qquad\text{divide both sides by 9}\\\\x=92\\\\\text{The number is 92}$

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9/10 - 5/10

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3 years ago

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Solve the following triangle. Given A=51 degrees b=40 c=45

STALIN [3.7K]

Answer:

$a=36.87\ units$

$B=57.47^o$

$C=71.53^o$

Step-by-step explanation:

step 1

Find the length side a

Applying the law of cosines

$a^2=b^2+c^2-2(b)(c)cos(A)$

substitute the given values

$a^2=40^2+45^2-2(40)(45)cos(51^o)$

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Applying the law of sines

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substitute the given values

$\frac{36.87}{sin(51^o)} =\frac{40}{sin(B)}$

$sin(B)=\frac{sin(51^o)}{36.87}{40}$

$B=sin^{-1}(\frac{sin(51^o)}{36.87}{40})=57.47^o$

step 3

Find the measure of angle C

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3 years ago

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SpyIntel [72]

Answer:

Step-by-step explanation:

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igor_vitrenko [27]

Answer:

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Since:

10 million = 10,000,000

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Answer:

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of means multiply and is means equals

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2 years ago

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