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My name is Ann [436]
4 years ago
7

How canyou find the LCD with 3 fractions

Mathematics
1 answer:
valkas [14]4 years ago
3 0

Answer:

find the lcm (least common multiple) of the three denominators

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The base of a solid oblique pyramid is an equilateral triangle with an edge length of s units.
Basile [38]
The volume of the right pyramid with a square base is
v = 1/3 Ahwhere v is the volumeA is the area of the baseh is the height
since A = y2
v = 1/3 y2h3v = y2hh = 3v / y2 is the expreesion represents the height of the pyramid
5 0
4 years ago
Read 2 more answers
Whats the square root of 83
Romashka [77]

Answer:

9.110434

Step-by-step explanation:

√83 ≈ 9.110434

6 0
3 years ago
Write the equation of the line that passes through (-1, 3) and is parallel to the line y = -x + 1.
ra1l [238]

Answer:

Step-by-step explanation:

y = -x + 1......same as y = -1x + 1.....in y = mx + b form, ur slope is in the m position....so the slope of this line is -1.

a parallel line will have the same slope.

(-1,3)...x = -1 and y = 3

slope(m) = -1

y = mx + b.....we have x,y, and m....now we need to find y int (b)

3 = -1(-1) + b

3 = 1 + b

3 - 1 = b

2 = b

so ur parallel equation is : y = -1x + 2...or just y = -x + 2

7 0
3 years ago
Item 18 you and your friend are selling tickets to a charity event. you sell 7 adult tickets and 16 student tickets for $120. yo
quester [9]

Answer:

  $4

Step-by-step explanation:

The two purchases can be written in terms of the cost of an adult ticket (a) and the cost of a student ticket (s):

  7a +16s = 120 . . . . . . . . price for the first purchase

  13a +9s = 140 . . . . . . . . price for the second purchase

Using Cramer's rule, the value of s can be found as ...

  s = (120·13 -140·7)/(16·13 -9·7) = 580/145 = 4

The cost of a student ticket is $4.

_____

<em>Comment on Cramer's Rule</em>

Cramer's rule is particularly useful for systems that don't have "nice" numbers that would make substitution or elimination easy methods to use. If you locate the numbers in the equation, you can see the X-patterns that are used to compute the numerator and denominator differences.

The value of a is (16·140 -9·120)/(same denominator) = 1160/145 = 8. I wanted to show you these numbers so you could see the numerator X-pattern for the first variable.

__

Of course, graphical methods can be quick and easy, too.

8 0
4 years ago
Why would the volumes of the two figures be the same?
IceJOKER [234]
I believe it’s when the shapes are similar, which means they have the same ratio of lengths
8 0
2 years ago
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