3 years ago

A coin weighs about 14" pounds. Find the weight of 1000 of the coins. Round your answer to

Mathematics

1 answer:

user100 [1]3 years ago

5 0

Answer:

I'm sorry I would help you I don't understand the second sentence.

Step-by-step explanation:

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Given f(x) = 3x3 + 8x2 – 10x – 12, find f(3). A) f(3) = 84 B) f(3) = 96 C) f(3) = 111 D) f(3) = 123

andre [41]

Answer:

C) f(3) = 111

Step-by-step explanation:

f(x) = 3x^3 + 8x^2 – 10x – 12

Let x=3

f(3) = 3(3)^3 + 8(3)^2 – 10(3) – 12

=3*27+8(9) -30-12

=81+72-30-12

=111

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3 years ago

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SSSSS [86.1K]

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3 years ago

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If x and y are both negative, when is x-y positive?

GREYUIT [131]

Because 2 negatives make a positive xx

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3 years ago

Can someone make this is right? Thanks!!

omeli [17]

<h3>You are correct. Nice work.</h3>

You should find that each side is 5 units long, so you have a rhombus. Also, each angle is 90 degrees so you have a rectangle. Combine the properties of a rhombus and a rectangle and you get a square as the best description.

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3 years ago

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Given that the measurement is in centimeters, find the area of the circle to the nearest tenth. (Use 3.14 for π) the radius is 3

Fofino [41]

Answer:

Area of the circle = $28.26cm^2$

Step-by-step explanation:

Radius of the circle= 3 cm

Area of the circle= $\pi *r^2$

As,

$\pi =\frac{22}{7}=3.14$

Putting the values in the formula:

Area of the circle= $3.14*3*3$

$=3.14*9\\\\=28.26cm^2$

The area of the circle is $28.26cm^2$

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3 years ago