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ivanzaharov [21]
3 years ago
5

What is the weight of a bowling ball with a 5 in. radius if we know that one cubic inch weighs 1/100th of a pound?

Mathematics
1 answer:
deff fn [24]3 years ago
7 0

The correct answer is - B. 5.24 lb.

Explanation:

Given is a bowling ball, so it is a sphere.

The radius is given as = 5 inches

Volume of the sphere = \frac{4}{3} \pi r^{3}

Putting r=5 and pi = 3.142 in the above formula, we get

volume = 523.66 cubic inches

Also given is - one cubic inch weighs 1/100th of a pound

So, 523.66 cubic inches will weigh = \frac{523.66}{100}=5.2366

Hence rounding this off we get the weight of the bowling ball as 5.24 lb.

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Answer:

x = 6/11

Step-by-step explanation:

2(-3x + 4 ) = 5x + 2  

    -6x + 8 = 5x + 2      

           - 2          - 2

    -6x + 6 = 5x

   +6x         +6x

             6 = 11x

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2 years ago
Someone please help me with number 16
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This is a 45-90-45 triangle so in order to find the answer we have to multiply the hypotenuse, 6, by the square root of 2 or radical 2. Then multiply top and bottom by radical 2. Then simplify.
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3 years ago
What can you do if a decimal product has final zeros to the right of the decimal point
MakcuM [25]

Answer:

place the decimal point in the product so that the number of decimal places in product is the sum of decilal places in the factors. keep all zeros in the product when you place the decimal point. you can drop the zeros on the right once the decimal point has been placed in the product.

4 0
3 years ago
I need help with this badly. It's geometry and angles.
lys-0071 [83]

Answer:

∠ C = 118°

Step-by-step explanation:

DE = DF , then Δ DEF is isosceles with base angles congruent , then

∠ DEF = ∠ DFE = \frac{180-56}{2} = \frac{124}{2} = 62°

∠ DFE and ∠ DFB are adjacent angles on a straight line and sum to 180° , so

∠ DFB = 180° - 62° = 118°

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6 0
3 years ago
Read 2 more answers
At a recent breakfast, four friends paid for their own drinks and shared the cost of a bag of donuts. Joe's drink was $1.75. He
Nitella [24]

Answer:

$5.80

Step-by-step explanation:

To answer, we must first subtract the toal cost Joe paid by the amount he paid for his drink, because ha paid for his drink separately. so:

3.20 - 1.75 = 1.45

And because there were a total of 4 friends, we mulitply the answer by 4:

1.45 * 4 = 5.8

So, the bag of donuts costed $5.80

Hope this helps :)

3 0
3 years ago
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