3 years ago

Write a Multiplication expression that shows 10 sixths

Mathematics

1 answer:

Iteru [2.4K]3 years ago

6 0

5/2×2/3. If that is what you mean

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BCALLE can u help me *3

sveta [45]

Sin∠R = ST/RS ⇒ ST = RS * sin40° = 9 * 0.6428 ≈ 5.8

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3 years ago

If a scalene triangle has its measures 4 m, 11 m and 8 m, find the largest angle.

soldier1979 [14.2K]

Answer:

129.8 approximately

Step-by-step explanation:

So this sounds like a problem for the Law of Cosines. The largest angle is always opposite the largest side in a triangle.

So 11 is the largest side so the angle opposite to it is what we are trying to find. Let's call that angle, X.

My math is case sensitive.

X is the angle opposite to the side x.

Law of cosines formula is:

$x^2=a^2+b^2-2ab \cos(X)$

So we are looking for X.

We know x=11, a=4, and b=8 (it didn't matter if you called b=4 and a=8).

$11^2=4^2+8^2-2(4)(8)\cos(X)$

$121=16+64-64\cos(X)$

$121=80-64\cos(X)$

Subtract 80 on both sides:

$121-80=-64\cos(X)$

$41=-64\cos(X)$

Divide both sides by -64:

$\frac{41}{-64}=\cos(X)$

Now do the inverse of cosine of both sides or just arccos( )

[these are same thing]

$\arccos(\frac{-41}{64})=X$

Time for the calculator:

X=129.8 approximately

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4 years ago

Solve this fraction:4\3+6\9-7\3,,,and simplified if it can simplify....

icang [17]

4/3+6/9-7/3=12/9+6/9-21/9=18/9-21/9= -3/9= -1/3

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3 years ago

A shirt originally cost $41.32, but it is on sale for $33.06. What is the percentage decrease of the price of the shirt? If nece

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-19.99% is what is should be

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3 years ago

Read 2 more answers

Select the correct answer.<br> What is the range of this absolute value function?

Oliga [24]

Answer:

I believe its c

Step-by-step explanation:

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3 years ago