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dybincka [34]
4 years ago
14

5 1/7 divided by 2 2/5

Mathematics
2 answers:
aleksley [76]4 years ago
6 0

Answer:

15/7; 2 1/7

It just is.

galben [10]4 years ago
6 0

Answer:

2.14

Step-by-step explanation:

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Convert 1.56 grams of potassium to atoms.
Amanda [17]

Answer:

2.40 x 10^22

Step-by-step explanation:

3 0
3 years ago
What is the value of the expression shown when n = 6?
Misha Larkins [42]

Answer:

StartFraction 42 Over n EndFraction minus 8; when n = 6 the expression equals –1

Step-by-step explanation:

Let's put the equation into numbers:

“8 less than the quotient of 42 and a number”

= 42/n - 8

Now, substitute 6 into this expression:

42/6 - 8

= 7 - 8

= -1

6 0
4 years ago
How can I use the percent equation???Ex.what number is 40% of 500???and can u solve this one,too.:45 is 25% of what number???THA
HACTEHA [7]
I've been waiting for someone to ask this question.  It's one of my favorite questions to answer.

percent means out of 100 so 1% = 1/100 and 40%=40/100 or 1/25
so for percent of a number, 'of' means multiply so 40% of 500= 40/100 times 500 or 20000/100 or 200



if you multiply a fraction by its recipricol (the number fliped upside down) the you will get 1 so if you multiply 1/2 by 2/1 then you will get 1

thus
percent is out of 100 so 1%=1/100  25%=25/100
if you represent 45 out of something as 45/x then you multiply it by the reciprocal of the fraction that is supposed to be equal (1/2 =2/4) then you will get 1
so 45/x times reciprocal of 100/25 then you will get 1/1 or 4500/25x
so you divide to find x and get 180
so 45 is 25% of 180


The following is extra
   as stated above 'of' can be taken as multiply so
   45 is 25% of 180 can be rewriten as
   45=25/100 times 180
   but we don't know that 180 is the answer so we replace it with x then            solve for x
4 0
3 years ago
Read 2 more answers
A number line is numbered in tenths. Describe where you would plot 87.35 squared.
mezya [45]

Answer:

you might have done it wrong

Step-by-step explanation:

please show a picture of the problem.

3 0
3 years ago
y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form.
BabaBlast [244]
Standard form is ax+by=c, we like a and b to be integers, we also like a to be positive
basically get x and y on one side

so
y-4=(3/4)(x+8)
distribte the 3/4
y-4=(3/4)x+6
minus 3/4x from both sides
-(3/4)x+y-4=6
add 4 to both sides
(-3/4)x+y=10
times both sides by -4
3x-4y=-40
3 0
3 years ago
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