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aliya0001 [1]
2 years ago
6

I have a roof that measures 175 ft by 45 ft. During the hurricane 11 inches of rain fell.

Mathematics
1 answer:
Nikolay [14]2 years ago
5 0

Answer:

  4.1 billion

Step-by-step explanation:

1 ft = 30.48 cm

1 in = 2.54 cm

The volume of rain that fell on the roof is given by ...

  V = LWH

  V = (175 ft × 30.48 cm/ft)(45 ft × 30.48 cm/ft)(11 in × 2.54 cm/in)

  = 175×45×11×30.48²×2.54 cm³ = 204,412,236.336 cm³

At 20 drops per cm³, this will be ...

  20×204,412,236.336 ≈ 4,088,244,727 . . . . raindrops

About 4.1 billion raindrops fell on your roof.

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Answer:

A vector's magnitude represents its length, so your answer is C, the length of a vector.

Step-by-step explanation:

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3 years ago
5.5 = -2 + d
TEA [102]
The value of <em>d</em> is 7.5.

The key to solving equations is doing the inverse, or opposite, function/process.
For example, you subtract when d + 1 = 2:
d + 1 = 2
(d + 1) -1 = (2) - 1
d = 1

In the same way, you add values when you have a negative:
5.5 = -2 + d = d - 2
5.5 = d - 2
(5.5) + 2 = (d - 2) + 2
7.5 = d

Now if instead of adding 2, you subtract 2, the problem becomes:
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3.5 = d - 4

This doesn't solve your problem, it just makes the value needed to be canceled out larger.

Thus d = 7.5 and you will add because the value is negative.
7 0
3 years ago
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On the grid draw the graph of x + 2y =7
Elena-2011 [213]

Answer:

See attachment for graph

Step-by-step explanation:

Given

x + 2y = 7

Required

Draw the graph

First, we identify at least 2 possible values of x and y

Let x = 1

Solve for y

x + 2y = 7

1 + 2y = 7

2y = 6

y = 3

So, a point is: (1,3)

Let x = 3

Solve for y

x + 2y = 7

3 + 2y = 7

2y = 7 -3

2y = 4

y = 2

So, another point is: (3,2)

<em>Plot </em>(1,3)<em> and </em>(3,2)<em> on the graph, then draw a straight line through both points</em>

See attachment for graph

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3 years ago
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3 years ago
Use the following recipe to answer questions 1 through 4:
grandymaker [24]

Answer:

1. pounds (lb)

2. pints (pt)

3. teaspoon (tsp)

4. cups (c)

Step-by-step explanation:

<h3><u>US Standard Units</u></h3>

<u>Liquid</u>

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  • Cups (c)
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⇒ 0.25 L ≈ 0.25 × 4.167 =  1.04 c

5 0
1 year ago
Read 2 more answers
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