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AURORKA [14]
3 years ago
9

Find the percent change from 72 to 90

Mathematics
2 answers:
steposvetlana [31]3 years ago
7 0
25
is the percent change
vovangra [49]3 years ago
4 0
The correct answer is = 25%
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11. Solve 5(2x – 3) = x – 15 + 9x for x.
zepelin [54]

Answer:

\boxed{\bold{True \ For \ All \ x}}

Explanation:

[ Step One ] Group Like Terms

\bold{5\left(2x-3\right)=x+9x-15}

[ Step Two ] Combine Similar Elements: \bold{x+9x=10x}

\bold{5\left(2x-3\right)=10x-15}

[ Step Three ] Expand \bold{5\left(2x-3\right): \ 10x-15}

\bold{10x-15=10x-15}

[ Step Four ] Add 15 To Both Sides

\bold{10x-15+15=10x-15+15}

[ Step Five ] Simplify

\bold{10x=10x}

[ Step Six ] Subtract 10x From Both Sides

\bold{10x-10x=10x-10x}

[ Step Seven ] Simplify

\bold{0=0}

[ \boxed{\bold{Final \ Answer}} ]

➤ \bold{Both \ Sides \ Are \ Equal, \ True \ For \ All \ x}

\boxed{\bold{Mordancy}}

4 0
3 years ago
There are 5 persons and at a time only 3 can be arranged. What is the total number of arrangements?
disa [49]

Answer:

If there are 5 persons and at a time only 3 can be arranged, the total number of arrangements is 60

Option C is correct

Step-by-step explanation:

There are 5 persons and at a time only 3 can be arranged.

The total number of arrangements = nPr = n!/(n-r)!

Here n = 5 and r = 3

nPr = n!/(n-r)!

nPr = 5!(5-3)!

nPr = 5!/2!

nPr = 5*4*3*2!/2!

nPr = 5*4*3

nPr = 60

So, if there are 5 persons and at a time only 3 can be arranged, the total number of arrangements is 60

Option C is correct.

7 0
3 years ago
Write an algebraic expression for two fifths the cube of a number
pashok25 [27]
N - the number

\dfrac{2}{5}n^3
7 0
3 years ago
Medication errors can constitute malpractice and can include a) failure to treat in a timely manner. O b) prescribing medication
finlep [7]

Answer:

a) failure to treat in a timely manner

Step-by-step explanation:

Failure to treat in a timely manner is considered malpractice because it is considered negligence and can result in the worsening of the condition.

5 0
3 years ago
Help pls will mark branliest !
Mnenie [13.5K]

Answer:

10 Numbers

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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