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frozen [14]
3 years ago
7

Solve for x. Round to the nearest tenth of a degree, if necessary.

Mathematics
1 answer:
ziro4ka [17]3 years ago
3 0

Answer:

x ≈ 28.8°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin x = \frac{opposite}{hypotenuse} = \frac{AB}{AC} = \frac{3.9}{8.1} , then

x = sin^{-1} (\frac{3.9}{8.1} ) ≈ 28.8° ( to the nearest tenth )

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Which polynomial function has a leading coefficient of 1 and roots 21 and 31 with multiplicity 1?
schepotkina [342]

Answer:

Which i think is the first one, there may just be a typing error.

Step-by-step explanation:

A polynomial of order n has the following format:

f(x) = a(x - x_{0})(x - x_{1})...(x - x_{n-1})

In which a is the leading coefficient, x_{0}, x_{1},..., x_{n-1} are the roots.

If a root appears m times, they are said to have multiplicity m.

Leading coefficient of 1 and roots 21 and 31 with multiplicity 1

f(x) = 1(x - 21)(x - 31)

So the correct answer is:

f(x) = 1(x - 21)(x - 31)

Which i think is the first one, there may just be a typing error.

8 0
3 years ago
What is the slope and y-intercept of the liner function y = -2/3x+3?​
IrinaVladis [17]

Answer: (-2/3 , 3) is the answer

6 0
2 years ago
Captain Jessica has a ship, the H.M.S Crimson Lynx. The ship is two furlongs from the dread pirate Ishaan and his merciless band
OLga [1]

Answer:

9/40

Step-by-step explanation:

Captain Jessica shoots first.  This means her ship has not already been hit, which means she has a 2/5 chance of hitting the pirate ship.  This also means she has a 1-2/5 = 3/5 chance of missing the pirate ship.

Since Captain Jessica misses, dread pirate Ishaan has a 3/8 chance of hitting the captain's ship.  This means he has a

3/5(3/8) = 9/40 chance of the captain missing the pirate and the pirate hitting the captain.

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3 years ago
Find all real solutions of this equation to answer the question. (6 – 2x)(3 – 2x)x = 40
Vika [28.1K]
<span>No. Its x=4. You couldn't cut the box to much lower without it being absurd.
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3 years ago
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Convert 3/5 into a fractions with a denominator of 20.
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<u>3</u> x 4 = <u>12</u><u>
</u>5 x 4 = <u />20

Since 5 times 4 is 20, then you must also multiply 3 by 4 because what you do to one part of the fraction you must do to the other.<u>

</u>
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3 years ago
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