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Ivan
3 years ago
11

a man is six times as old as his son in 9 years he will be three times as old as his son how old are they now

Mathematics
2 answers:
GuDViN [60]3 years ago
8 0
The son is 4 years old and the dad is 24 years old.
Lady_Fox [76]3 years ago
5 0
Present age of son = 13
Present age of man = 39 

Hope this helps ;) 
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8x + 5x what is it simplify
Mrac [35]

Answer:

13x

Step-by-step explanation:

you would just add the 2 numbers together and then keep the variable. if you know the variable (if there’s a sheet to go off of) then multiply and add but otherwise it’s just 8 + 5 then add an x. 13x

6 0
3 years ago
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The equation y ̂=844.697x^2+3723.485x-13,650 models the annual profits of a new business, where x is the number of years since t
julsineya [31]
The answer is $37,923

<span>y = 844.697x^2 + 3723.485x - 13,650
x - number of years
y - the annual profit

If x = 8, the annual profit y is:
y = </span>844.697 * 8^2 + 3723.485 * 8 - 13,650
y = 844.697 * 64 + 29,787.88 - 13,650
y = 54,060.608 + 16,137.88
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5 0
4 years ago
I’m stuck on this please someone help
kakasveta [241]

Answer:   \bold{a_{n+1}=\dfrac{1}{2}a_n}

<u>Step-by-step explanation:</u>

Term-to-term rule is also called the recursive rule.

The recursive rule for a geometric sequence is: a_{n+1}=a_n\cdot r  where

  • a_n\ \text{is the previous term}
  • r is the common ratio

The common ratio (r) is the second term divided by the first term <em>(which is the same ratio for each term divided by its previous term) </em>

In the given sequence {64, 32, 16, 8, 4}, r=\dfrac{32}{64}\quad \rightarrow \quad r=\dfrac{1}{2}

So, the recursive rule is: {a_{n+1}=a_n\cdot \dfrac{1}{2}

6 0
3 years ago
Divide this polynomial:)
lutik1710 [3]

Answer:

The answer is 3x^2-4x-4+1/2x-1

Step-by-step explanation:

Hope this helps, and sorry if it's wrong.

8 0
3 years ago
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The Murphy family bought two rectangular dog beds for their pets fluffys bed was 3 feet by 1 9/12 Pete's bed was 4 feet by 2 4/1
mario62 [17]

Answer:

4 1/12 sq. ft

Step-by-step explanation:

To know the amount of area that Pete’s bed have more than Fluffy’s bed, we simply calculate the area of both beds then subtract the smaller from the larger.

The area of Fluff’s bed would be 3 * 21/12 = 63/12 Sq ft

The area of Pete’s bed would be 4 * 28/12 = 112/12 sq ft

The difference in area is thus: 112/12 - 63/12 = 49/12 = 4 1/12 sq. ft

5 0
4 years ago
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