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notka56 [123]
3 years ago
12

Could someone please help?

Mathematics
1 answer:
elena-s [515]3 years ago
5 0

Answer:

1. 7% change increase

2. 27%change decrease

3. 39% change decrease

4. 29% change increase

Step-by-step explanation:

I hope this is right

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Which value is equivalent to: 1 1/2 divided by 4 1/2 x 1 1/3
Nostrana [21]

Answer:

The answer is 4/9

Step-by-step explanation:

Hi. Here's the work.

First turn everything into an improper fraction.

1 \frac{1}{2} ÷ 4 \frac{1}{2} * 1 \frac{1}{3} = \frac{3}{2} ÷ \frac{9}{2} * \frac{4}{3}

To divide fractions we multiply by the flipped version of the fraction, or the reciprocal.

\frac{3}{2} ÷ \frac{9}{2} * \frac{4}{3} = \frac{3}{2} *\frac{2}{9} *\frac{4}{3}

Now we just multiply the fractions!

\frac{3 * 2 * 4}{2 * 9 * 3} = \frac{4}{9}

The answer is therefore 4/9. Please mark brainliest if possible and i hope you get a good grade on your homework. ;)

6 0
2 years ago
Sum of series to n terms 0.4+0.44+0.444+....
svetoff [14.1K]
0.4+0.44+0.444+\cdots=\dfrac4{10}+\dfrac{44}{100}+\dfrac{444}{1000}+\cdots=\displaystyle\sum_{k=1}^\infty\frac{\frac49(10^k-1)}{10^k}=\frac49\sum_{k=1}^\infty\left(1-\frac1{10^k}\right)

The nth partial sum is given by

S_n=\displaystyle\frac49\sum_{k=1}^n\left(1-\frac1{10^k}\right)
S_n\displaystyle=\frac49\bigg(\left(1-\frac1{10}\right)+\left(1-\frac1{100}\right)+\cdots+\left(1-\frac1{10^{n-1}}\right)+\left(1-\frac1{10^n}\right)\bigg)
S_n=\dfrac49\left(n-\dfrac{10^n-1}{9\times10^n}\right)=\dfrac4{81}(9n-1+10^{-n})

from which it follows that the infinite sum does not converge.
8 0
4 years ago
Y=log x If y=10, then what is x?
insens350 [35]
Assuming we're working with the base 10 log, you can solve by making both sides exponents to a base of 10 (which cancels the log on the right side):

10=log x \\ 10^{10}=10^{logx} \\ x = 10^{10}
5 0
3 years ago
Read 2 more answers
If you flip a coin and roll a 6 sided die, what is the probability that you will flip a tails and roll a 2?
Anni [7]

Answer:

1/12 is the correct answer.

Step-by-step explanation:

5 0
3 years ago
What is the radical of 495?
Slav-nsk [51]
<span>The square root of four hundred and ninety-five 3√55</span>
4 0
3 years ago
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