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Brums [2.3K]
3 years ago
12

Please help me with geometry ASAP!!!

Mathematics
1 answer:
Makovka662 [10]3 years ago
4 0

Answer:

asking all these questions why you asking all these questions

Step-by-step explanation:

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Hi, could someone please help me with this Math problem, Thank you.
Naddik [55]
<h3>Explanation:</h3>

18. The 5 only needs to be "distributed" to terms that are inside the parentheses where 5 is on the outside. Here, the only term in the parentheses is 2x. Anne apparently also multiplied -3 by 5, erroneously. The -3 term is not inside the parentheses, so should be left alone when "distributing" the 5.

The left side of the equation simplifies to 10x -3, so Anne should have had ...

  10x -3 = 20x +15

  -18 = 10x . . . . . . . . . add -15-10x

  -1.8 = x . . . . . . . . . . divide by 10.

The solution is x = -1.8.

___

19. Procedure: Subtract the right side of the equation from both sides. Use the distributive property as many times as necessary to eliminate parentheses. Collect terms. Divide by the coefficient of x. Subtract the constant.

  5[3(x+4) -2(1 -x)] -x -15 = 14x +45 . . . . . . . original equation

  5[3(x+4) -2(1 -x)] -x -15 -14x -45 = 0 . . . . . right side subtracted

  5[3x+12 -2 +2x] -x -15 -14x -45 = 0 . . . . . . inner parentheses eliminated

  15x +60 -10 +10x -x -15 -14x -45 = 0 . . . . . outer parentheses eliminated

  (15 +10 -1 -14)x +(60 -10 -15 -45) = 0 . . . . . like terms associated

  10x -10 = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . simplified

  x - 1 = 0 . . . . . . . . . divide by the coefficient of x

  x = 1 . . . . . . . . . . . . subtract -1 (same as add 1)

The solution is x = 1.

5 0
3 years ago
In 1983, a can of house paint cost $16.35. In 2000, a can of house paint cost $28.94, and in 2005, a can of house paint cost $32
Readme [11.4K]
The Consumer Price Index is calculated through the equation,
                             CPI = (current period price/base period price) x 100
The base period is 1983. Solving the CPIs for 2000 and 2005
         (2000) 
                             CPI = ($28.94/$16.35) x 100 = 177
        (2005)           
                             CPI = ($32.54/$16.35) x 100 = 199
The difference between the CPIs of 2005 and 2000 is 199 - 177 = 22. 
8 0
3 years ago
Read 2 more answers
There is a specialty store that you like to go to when you are craving jelly beans. The price is reasonable at $1.30 per pound.
Luden [163]
It depends on how many pounds of jelly beans u get
7 0
3 years ago
Read 2 more answers
A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 for g and 3.14 for π. If you ente
OLEGan [10]
To answer the question above, we will have to use some calculus approach to this problem.


<span>volume of sphere = (4/3)(pi)(radius^3) = (4/3)(pi)(9^3) = 972pi </span>
<span>mass = (density)(volume) = (972pi)(1,000) = 972,000pi </span>
<span>force = (mass)(acceleration or gravity here) = (972,000pi)(9.8) = 9,525,600pi </span>
<span>work = (force)(distance) = (9,525,600pi)(4.5) = 42,865,200pi J 
</span>
I hope my answer helped you with your problem
6 0
3 years ago
aleka has a box for keepsakes that has a volume of 576 cubic inches the length of the box is 12 in and the width is 8 in what is
Vikki [24]
We know that
volume of the box=length*width*height
V=L*W*H----> H=V/[L*W]
V=576 in³
L=12 in
W=8 in
so
H=576/[12*8]----> H=6 in

the answer is
the height of the box is 6 in 
5 0
3 years ago
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