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Cloud [144]
3 years ago
6

1 a.) 20cm^2 to mm^2

Mathematics
1 answer:
mixas84 [53]3 years ago
6 0

Answer:

a) 200 mm^2

b) 500 mm^2

c) 3.75e + 8

d) 6390 cm^2

e) 650 cm^2

f) 20 m/s

Step-by-step explanation:

For a) and b): 1 cm = 10 mm, multiply 20 (and 50) by 10

For c): the formula is to multiply 1e + 8

For d): 1 Liter = 1000 Cubic Centimeters  (hopefully that's what you're referring to)

For e): 10 mm = 1 cm, divide by 10

For f): divide the value by 3.6

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aleksley [76]

The correct answer is D

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7 0
3 years ago
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Chris made $378 for 18 hours of work.
andre [41]

Answer:

$147

Step-by-step explanation:

378 / 18  = 21

1 hour of work = $21

7 hours of work = $21 * 7 = $147

5 0
3 years ago
If a 4 x 16 rectangle has the same area as a square, what is the length of a side of the square?
Licemer1 [7]

Answer:

Option D. 8 units

Step-by-step explanation:

step 1

Find the area of rectangle

The area of rectangle is

A=(4)(16)=64\ units^2

step 2

Find the length side of the square with the same area of rectangle

The area of a square is

A=b^2

where

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we have

A=64\ units^2

substitute

64=b^2

take the square root both sides

b=8\ units

therefore

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7 0
3 years ago
Find the <br> x-intercept and <br> y-intercept of the line.
vova2212 [387]
<h3><u>The x intercept is at (-7, 0).</u></h3><h3><u>The y intercept is at (0, 1).</u></h3>

To find both the x and the y intercept, we need to solve one at a time.

For the x intercept, we need to make the value of y equal to 0, and solve for x.

-x + 7y = 7

-x + 7(0) = 7

-x = 7

Multiply both sides by -1.

x = -7

The x intercept is -7.


Now for the y intercept.

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7y = 7

Divide both sides by 1.

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The y intercept is at 0, 1.

5 0
3 years ago
The square shown has a perimeter of 32 units. The square is rotated about line k. What shape is created by the rotation and what
harkovskaia [24]
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where P is the perimeter and x is the measure of the sides.

When P is 32 units then,
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This 8 inches is the diameter of the cylinder formed by the rotation. 
The circumference of the base is calculated through,
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Substituting the known values,
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</em>
<em></em>When π is equal to 3.14, we solve for the numerical value of the cylinder as follows,
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<em></em>Thus, the figure formed is a cylinder with base circumference equal to 25 units. The answer is the third choice. <em>
</em>
6 0
3 years ago
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