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3 years ago

9 tens = ones ??????????????

Mathematics

2 answers:

Tomtit [17]3 years ago

7 0

9 tens = 90 ones :)

there ya go

Katyanochek1 [597]3 years ago

4 0

The answer to the question would be 90 ones because there is 10 ones in ten and ten *9 = 90

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What is the recursive rule for this geometric sequence? 27, 9, 3, 1, ... Enter your answers in the boxes.

ANEK [815]

Answer:

$a_n=a_{n-1}(\frac{1}{3})\\a_1=27$

Step-by-step explanation:

A recursive formula is a formula in which each term is based on the previous term.

In a geometric sequence, each term is found by multiplying the previous term by a constant.

To get from 27 to 9, then from 9 to 3, etc., we would multiply by 1/3. This makes the common ratio 1/3.

The recursive formula for a geometric sequence is

$a_n=a_{n-1}(r)$ , where $a_n$ represents the general term, $a_{n-1}$ , represents the previous term, and r represents the common ratio.

Plugging in our values, we have

$a_n=a_{n-1}(r)$

We also have to indicate what the first term, a₁, is. In this sequence, it is 21. This gives us

$a_n=a_{n-1}(\frac{1}{3})\\a_1=27$

8 0

4 years ago

Read 2 more answers

What happens to the value of the expression b-1 as b increases

DENIUS [597]

Answer:

It increases

Step-by-step explanation:

if b increases and the only other part of the equation is a constant it should increase as well. for example (the first value is b and the second is b-1) : (1,0) (2,1) (3,2) (4,3) (5,4)...

8 0

4 years ago

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Need help with a math question

Svetach [21]

Answer:

(x+1)^2+(y-7)^2=8

Step-by-step explanation:

You should try the next one and I can check work or tell you if it is right.

The diameter length can be found be computing the distance that (-3,5) is to (1,9) which is sqrt(4^2+4^2)=sqrt(32).

The radius is half the diameter so it is sqrt(32)/2.

The center of the circle is the midpoint of a diameter. So compute the (Average of x, average of y)=(-1,7)

So plug into (x-h)^2+(y-k)^2=r^2 we get

(x+1)^2+(y-7)^2=32/4

simplifying gives

(x+1)^2+(y-7)^2=8

(I had to type this twice; my cat jump on my keyboard)

4 0

3 years ago

Read 2 more answers

He table shows the solution to the equation |2x − 5| − 2 = 3:

ozzi

The solution is completely correct, as putting 5 or 0 in the formula again will make it true.

$|2(0)-5|=5$
$|-5|=5$
$5=5$

$|2(5)-5|=5$
$|10-5|=5$
$5=5$

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4 years ago

6(5 + 3x) is equivalent too

Artyom0805 [142]

Answer:

30+18 x

Step-by-step explanation:

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3 years ago