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vichka [17]
3 years ago
15

Sallly has 3 marbles. Every

Mathematics
1 answer:
Anton [14]3 years ago
8 0
If Sally already has 3 marbles and she finds 5 everyday. That means you add 5 until you get to 58. So in this case 5 times 11 is 55 + 3 is 58. Answer: It will take 11 days at this rate for her to have 58 marbles.
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Y=5-1/2x x=-2,0,2,4​
telo118 [61]

Answer:

y=6,5,4,3 are value for y

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3 years ago
Which explicit formula can be used to find the accounts balance at the beginning of year 3?
balandron [24]

The formula for the amount A in an account with principal P and interest rate r compounded annually for t years is

... A(t) = P(1+r)^t

You want to find A when P=400, r=0.05, and t=3. Substituting those values gives you

... A(3) = 400·(1 +0.05)³

The appropriate choice is

... A. A(3) = 400·(1 +0.05)³

7 0
2 years ago
3.
Nutka1998 [239]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
From 42 acres to 72 acres (round to the nearest percent
guajiro [1.7K]

Answer:

42 acres to 72 acres, there is an increase of 30 acres

percentage wise

72-42=30

30/72=.4166...

therefore there is also a 41.6% increase

Step-by-step explanation:

71.42 Percentage change:×100%

Now, the change is given from 42 acres to 72 acres, therefore

Change= 72-42=30

⇒Percentage change= ×100%

                                   = 71.42

8 0
3 years ago
Simplify the function..........
andre [41]
      7ab               a - b
--------------  -  --------------
a^2 - b^2            a + b

      7ab                 a - b
= --------------  -  --------------
  (a-b)(a+b)           a + b

      7ab                 (a - b)^2
= --------------  -  -----------------------
  (a-b)(a+b)           (a + b)(a-b)

      7ab                 a^2 - 2ab + b^2
= --------------  -  -----------------------
  (a-b)(a+b)           (a + b)(a-b)

      7ab - a^2 + 2ab -  b^2        
= -----------------------------------
                (a-b)(a+b)  

      - a^2 + 9ab -  b^2        
= -----------------------------------
                (a-b)(a+b)      

Answer is A. first one         
6 0
3 years ago
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