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2 years ago

50% of 30, hurry <3 its saying my question is too short so ignore what im saying rn

Mathematics

2 answers:

lesya692 [45]2 years ago

8 0

Answer:

Step-by-step explanation:

50% of 30 is a multiplication problem because of is another word for a multiplication symbol.

1. Turn 50% into a decimal. You do this by moving the decimal point to the left 2 times. (dividing by 100)

2. Now you have .50 of 30. ( you can simplify .50 into .5 )

3. Now change it into a multiplication problem. .50 times 30 equals 15.

9966 [12]2 years ago

3 0

Answer:

The answer is 15

Step-by-step explanation:

50% of 30

30 × 50 ÷ 100 = 1500/100 = 15

Thus, The answer is 15

-TheUnknownScientist 72

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Help!!! I don’t understand how to do this

lidiya [134]

Answer:

$f^{(k)}(x)=\dfrac{17k!(-1)^k}{(x-9)^{k+1}}$

Step-by-step explanation:

The question presumes you have access to a computer algebra system. The one I have access to provided the output in the attachment. The list at the bottom is the list of the first four derivatives of f(x).

The derivatives alternate signs, so (-1)^k will be a factor.

The numerators start at 17 and increase by increasing factors: 2, 3, 4, indicating k! will be a factor.

The denominators have a degree that is k+1.

Putting these observations together, we can write an expression for the k-th derivative of f(x):

$\boxed{f^{(k)}(x)=\dfrac{17k!(-1)^k}{(x-9)^{k+1}}}$

4 0

4 years ago

100 points the right answer please the set designer for a play painted some background scenery on a large piece of plywood. He u

podryga [215]

Answer:

14 ft

Step-by-step explanation:

Focus on the triangle, and temporarily neglect the 2 ft measurement at the top of the triangle. Then the 2 legs of the triangle have lengths h - 2 ft and 5 ft, and the hypotenuse is 13.

Applying the Pythagorean Theorem, we get:

13^2 = (h - 2)^2 + 5^2, or

169 = h^2 - 4h + 4 + 25, or

144 = h^2 - 4h + 4, or

140 = h^2 - 4h, or, finally,

h^2 - 4h - 140 = 0. We must find the value of h.

I graphed this function on a calculator and found that -10 is a zero. Thus, the function factors into (h + 10)(h - 14) = 0, or h = 14.

The total height of the piece of plywood is 14 ft.

Check this: does a right triangle with legs (14 - 2) and 5 have a hypotenuse of 13? Yes.

7 0

3 years ago

Which equation represents the line through (0,0) and (3, 4)?

Andreas93 [3]

Answer:

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3-0

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y-0 =4/3

x-0

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3y=4x

y=4/3x

Step-by-step explanation:

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3 years ago

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Answer:

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3 years ago

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GrogVix [38]

Answer:

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Step-by-step explanation:

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3 years ago

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