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3 years ago

Aisha recorded the heights, in centimetres, of some girls.

Mathematics

1 answer:

sertanlavr [38]3 years ago

5 0

Answer:

The median is marked at 161cm instead of 162cm.

The right part of the box (the upper quartile) is marked at 172cm, while the interquartile range is 17cm, so the upper quartile should be at 154cm + 17cm = 171cm.

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Re-write this subtraction as an ADDITION of signed numbers. 3 − 7

hoa [83]

3 + (-7)

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3 years ago

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A sum amount <br>to rupees 34476 in two and a half years at 4% CI. the sum is

Kruka [31]

Given:

Amount = Rs. 34476

Rate of compound interest = 4%

Time = $2\dfrac{1}{2}=2.5$ years

To find:

The principal value.

Solution:

Formula for amount is

$A=P\left(1+\dfrac{r}{100}\right)^t$

Where, P is principal value, r is rate of interest and t is time in years.

Putting the given values, we get

$34476=P\left(1+\dfrac{4}{100}\right)^{2.5}$

$34476=P\left(1+0.04\right)^{2.5}$

$34476=P\left(1.04\right)^{2.5}$

$\dfrac{34476}{\left(1.04\right)^{2.5}}=P$

Now,

$P=31256.0090$

$P\approx 31256$

Therefore, the value of sum or principal value is Rs.31256.

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3 years ago

25=35x <br> What does x equal?

jeka57 [31]

Answer:

$\frac{25}{35}$ , which simplifies into $\frac{5}{7}$

Step-by-step explanation:

You divide both sides by 35 and get $\frac{25}{35}$

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2 years ago

Compute the probability of the event

Lunna [17]

Answer:

Step-by-step explanation:

joint porbability formula

0.23*0.73*0.74 = 0.124246

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3 years ago

Suppose you draw a card from a well-shuffled deck of 52 cards. Find each of the following odds.

garik1379 [7]

1) number of cards that aren't : number of cards that are 3
we have 48 cards that arent 3 and 4 cards that are. that means that odds are:
12:1 of not drawing 3

2) fallow same logic. its just opposite.
1:12

3) same logic. but there are only 2 black 7 cards which means that odds are:
50:2 or
25:1

4) opposite of previous.
1:25

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3 years ago

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