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Julli [10]
3 years ago
12

Can the product of reciprocals ever equal negative 1? Why

Mathematics
1 answer:
Aleks04 [339]3 years ago
4 0
No because when ever you multiply the same reciprocals you always end up with the number 1
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What is a composite number between 70 and 80 and has a factor of 11
olganol [36]
The ONLY multiple of 11 that's between 70 and 80 is 77 .
5 0
3 years ago
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Please help me with this question??m
Keith_Richards [23]

Answer:

75

Step-by-step explanation:

f(1) = 7

f(n) = 3f(n-1) + 3

So what you are trying to do here is find the recursive value (that's what it is called) for f(n). Computers love this sort of thing, but we humans have to do it slowly and carefully.

So let's try f(2)

That means that f(2) = 3*f(n-1) + 3

but if f(2) is used it means that you have to know f(2-1) which is just f(1) and we know that.

so f(2) = 3*f(1)+3

f(2) = 3*7 + 3

f(2) = 21 + 3

f(2) = 24

Now do it again. We now know F(2), so we should be able to find f(3)

f(3) = 3*f(3 - 1) + 3  

f(3) = 3*f(2) + 3      We know that f(2) = 24

f(3) = 3* 24 + 3

f(3) = 72 + 3

f(3) = 75

7 0
2 years ago
Help with this question? thx
Sedbober [7]
EXPLANATION:
1.25 + 0.8 + 2.75 = $4.8

ANSWER: $4.8
6 0
2 years ago
our friends are going to the movies. The cost of one ticket is $9.50, and the cost of one large popcorn is $4.50. The expression
horrorfan [7]

Answer:

No clue not even close to a clue

8 0
3 years ago
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Please help, it’s due today :)
Cloud [144]

Answer:

x =5

Step-by-step explanation:

We can use ratios for the side lengths

9              x

--------- = -----------

9+18       x+10

Using cross products

9 (x+10) = x * (9+18)

Distribute

9x+90 = x*27

9x+90 = 27x

Subtract 9x from each side

9x-9x+90 = 27x-9x

90 = 18x

Divide each side by 18

90/18 = 18x/18

5 =x

6 0
3 years ago
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