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konstantin123 [22]
2 years ago
9

Find the sum of the first 10 terms of the following series, to the nearest integer.

Mathematics
1 answer:
Alona [7]2 years ago
4 0

Answer:

Step-by-step explanation:

you can see this is a geometric progression which a ratio of {2\over{5}}. the sum of the firs n term is:

S=a_1\frac{(1-r^n)}{(1-r)}=175\frac{1-(\frac{2}{5})^{10}}{1-\frac{2}{5}}=291.6360832

the nearest integer would be:

292

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HELP54465745653475vccbxdsztgfghdcdx
vredina [299]

Answer:

Solution is invalid

Step-by-step explanation:

Let the time when they will have the same water content be x hours

At x hours;

For the first tank, the content will be;

50 + 10x

For the second;

29 + 3x

Equating both, will give us x

29 + 3x = 50 + 10x

We will get x as a negative number here

Since number of hours can not be negative, the solution is invalid

4 0
3 years ago
What is the probability of flipping a coin 7 times and getting heads 6 times? Round your answer to the nearest tenth of a percen
dedylja [7]
The answer for this would be C.
3 0
3 years ago
Read 2 more answers
nikhil has RS 80000 from this,he gives 30% to his wife and 20% to his father. Find the amount received by wife and father​
muminat

Answer:

Amount received by wife = RS 24000

Amount received by father = RS 16000

Step-by-step explanation:

His income is RS 80000

He gave 30% of his income to his wife

That's

\frac{30}{100}   \times RS  \:  \: 80000

Which is RS 24000

He gave 20% of his income to his father

That's

\frac{20}{100}  \times RS  \:  \: 80000

Which is RS 16000

Hope this helps you

8 0
3 years ago
Read 2 more answers
What is 4 1/3 divided by 10 1/5
vladimir2022 [97]
I got 65/153 since you actually multiply by the reciprocal of the second fraction.
6 0
3 years ago
A sample of 40 11th graders were asked to select a favorite pattern out of 6 choices. The following display shows what their fav
elena-s [515]

Answer:

C. Graph C

Step-by-step explanation:

To easily find out which graph correctly displays the data from the list and table, note, the frequency of each color that in ascending order.

The color with the highest frequency would have the longest bar, followed by the 2nd highest, then the third, and so on. Thus, frequency should tally with the length of the bar.

From the table given, the top 3 are:

Pink polka dots => 12

Purple => 8

Ted and orange stripes => 7

Green => 6

Blue and gray => 4

Yellow => 3

The graph that has length of bars that corresponds to the frequency of the colors is graph C

3 0
3 years ago
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