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attashe74 [19]
3 years ago
7

A scale on a drawing is 0.5 mm : 4 cm. the height of the drawing is 4.5 millimeters. what is the actual height of the object?

Mathematics
2 answers:
hoa [83]3 years ago
5 0
4.5 * 4 / 0.5 = 36 cm
garri49 [273]3 years ago
5 0
So this is what you do, 
4.5 divided by .5 and that = 9
then you do 9x4 and you get 36
so your answer would be... 36 cm.
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The area of a rectangle is 144cm squared. The length of the rectangle is 8 cm. What is the measure of the width of the rectangle
Gelneren [198K]
<h2>Greetings!</h2>

Answer:

The width is 18cm

Step-by-step explanation:

If the equation of the area of a rectangle is:

Area = length * width

Then you substitute in the values you know:

144 = 8 * width

To find the width you need to rearrange the formula to make the width the subject. Do this by dividing the area by the length:

Width = 144 / 8

Width = 18

So the width is 18cm


<h2>Hope this helps!</h2>
3 0
2 years ago
Given the rational function f(x)=2x+6/x-3, Answer the following questions.
AysviL [449]

Answer:

  1. A rational function is any function which can be written as the ratio of two polynomial functions, where the polynomial in the denominator is not equal to zero. The domain of f(x)=P(x)Q(x) f ( x ) = P ( x ) Q ( x ) is the set of all points x for which the denominator Q(x) is not zero
  2. To determine the x-intercept, we set y equal to zero and solve for x. Similarly, to determine the y-intercept, we set x equal to zero and solve for y
  3. The y-intercept is the point at which the graph crosses the y-axis. At this point, the x-coordinate is zero. To determine the x-intercept, we set y equal to zero and solve for x. Similarly, to determine the y-intercept, we set x equal to zero and solve for y.
  4. In mathematics, a zero of a real-, complex-, or generally vector-valued function f, is a member x of the domain of f such that f(x) vanishes at x; that is, the function f attains the value of 0 at x, or equivalently, x is the solution to the equation f(x) = 0.

refer this attachment for 1st question ( given the rational function f(x)=2x+6/x-3, Answer the following questions. )

8 0
2 years ago
HELP WITH THIS QUESTION PLEASE AND THANK YOUU!!!
lana66690 [7]

Answer:

s = 35pi units

We can either leave it with pi in the answer or approximate

s= 109.9557429 units

Step-by-step explanation:

Arc length is found by

s = r * theta where r is the radius and theta is given in radians

Changing the angle from 150 degrees to radians by multiplying by pi/180

150 *pi/180 = 5/6 pi

Now we can use the formula

s = 42 * 5/6 pi

s = 35pi

We can either leave it with pi in the answer or approximate

s= 109.9557429 units

3 0
2 years ago
FIRST GETS BRAINLEST __ Several tourists are participating in different
coldgirl [10]

Answer:

All you need to do is plot it on a graph. DO it from least to greatest and do it in order

Step-by-step explanation:

6 0
3 years ago
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What is the value of the x variable in the solution to the following system of equations?
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-2 (x-2y=-5)

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