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Effectus [21]
3 years ago
7

Simplify the rational expression. 5x - 40 / 64 - x^2

Mathematics
1 answer:
Maru [420]3 years ago
7 0
5x - 5 over 8 - x ^ 2
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Sole <br> x/5 = 10<br> 1.x=50 2.x=2 3.x=15 4.x=5
Anarel [89]
The answer is 1.
( x = 50)
3 0
3 years ago
Can somebody help please??? Explain... I need help with with this one problem:
LUCKY_DIMON [66]

Well - I mean. If every lunch costs $4 that means that the relationship should be linear.


You used to be able to draw graphs. But plot it out.

3 0
3 years ago
A scale drawing of a square has a side length of 6 millimeters. The drawing has a scale of 1 mm : 7 km. Find the actual perimete
zvonat [6]

Answer:

The real perimeter is:

P= 24 mm *\frac{7 km}{1mm}= 168 km

And the area would be:

P = 36mm^2 *\frac{(7km)^2}{(1mm)^2} = 1764 km^2

Step-by-step explanation:

For this case we know one side of a square given 6mm.

We can begin calculating the perimeter for the scale figure with this formula:

P = 4x = 4*6 mm =24 mm

The area for this case is given by:

A = x^2 = 6mm^2 = 36 mm^2

And we know that the drawing has a scale of 1 mm : 7 km and if we convert the perimeter to km we got:

P= 24 mm *\frac{7 km}{1mm}= 168 km

And the area would be:

P = 36mm^2 *\frac{(7km)^2}{(1mm)^2} = 1764 km^2

6 0
2 years ago
What is the equation of the line that is parallel to the line 5x + 2y = 12 and passes through the point (-2,4)?
pav-90 [236]

Answer:

y=-5/2x-1

Step-by-step explanation:

change the equation to slope intercept form

y=-5/2x+6

graph the point (-2, 4)

use the slope of the equation to find the y intercept

y intercept = -1

write equation of the parallel line using the same slope of the first line

-5/2x

and the y intercept of the new parallel line -1

y=-5/2x-1

7 0
3 years ago
You are designing a container in the shape of a cylinder. The radius is 6 inches. You want the container to hold at least 324π32
Volgvan
The least possible height is the height of the cylinder when the volume is 324π cubic inches. To determine that height, we use the formula for the volume of a cylinder. We do as follows:

Volume = πr^2h
324π = π(6)^2(h)
h = 9 inches
4 0
3 years ago
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