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svlad2 [7]
3 years ago
9

2

Mathematics
1 answer:
igomit [66]3 years ago
4 0

Answer:

x = 1/10

Step-by-step explanation:

2/x -2 = 3/2x +3

Add 2 to each side

2/x -2+2 = 3/2x +3+2

2/x = 3 /2x  +5

Subtract 3/2x from each side

2/x  -3/2x = 3 /2x - 3/2x  +5

2/x  - 3/2x = 5

Get a common denominator

2/x *2/2  -3/2x =5

4/2x  - 3/2x = 5

1/2x =5

Multiply each side by 2x

1 /2x * 2x = 5 *2x

1 = 10x

Divide each side by 10

1/10 = 10x/10

1/10 =x

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Could someone help me please?
Angelina_Jolie [31]

Answer:

600

Step-by-step explanation:

So lets rememer the formula for volume of a pyramid to sovle this:

LxHxW/3

Now lets plug in our values, for L, H, and W.

15x12x10/3

So, 15x12x10 is 1800. That is the height times the length times the width.

Now, since this isnt volume of a cube, we must divide the total my 3. This is how you find the volume of a pyramid, as I said above.

So it should be:

1800/3

=

<u>600</u>

This is your answer.

I hope this helps : )

Good luck!

8 0
3 years ago
Read 2 more answers
X÷5=-5 what is the answer to this and how did you solve?
nata0808 [166]

Answer:

First you right the division as a fraction

1/5x=5

then mutiply both sides of the equation by 5

x=25

Step-by-step explanation:

3 0
3 years ago
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What is the simplified value of the exponential expression 27 1/3
strojnjashka [21]

Answer:

3

Step-by-step explanation:

7 0
3 years ago
Simplify: *
Sati [7]

Answer:

a

Step-by-step explanation:

5x - 2y - x + 5y

combine like terms

4x + 3y

6 0
3 years ago
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Conrad has a collection of three types of coins: nickels,dimes,and quarters.There are five more nickels than quarters but four t
velikii [3]
N=number of nickles
d=number of dimes
q=number of quarters
use cents for everything

total value=585
5n+10d+25q=585
divide everybody by 5 to simplify
n+2d+5q=117

we have

nicles are 5 more than quarters
n=5+q

4 times as many dimes as quarters
d=4 times q
d=4q

sub those in
5+q+2(4q)+5q=117
5+6q+8q=117
5+14q=117
minus 5
14q=112
q=8

sub back
n=5+q
n=5+8
n=13

d=4q
d=4(8)
d=32


13 nickles
32 dimes
8 quarters
divide both sides by 22

8 0
3 years ago
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