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3 years ago

I give out brainlist. write and solve the proportion in the complele statement.

Mathematics

2 answers:

aivan3 [116]3 years ago

6 0

Answer:

1. 106.68

2. 27.78

Step-by-step explanation:

1. 1 in= 2.54 cm

42 × 2.54= 106.68

2. 1 kg= 2.20462 lbs

12.6 × 2.2= 27.77825

Thepotemich [5.8K]3 years ago

4 0

Answer:

42 in=106.68cm

12.6kg=27.77lb

Step-by-step explanation:

pls give brainliest! im tryna get to vituoso

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Could someone answer and explain these please? Thank you!

Oksana_A [137]

Answer 1:

It is given that the positive 2 digit number is 'x' with tens digit 't' and units digit 'u'.

So the two digit number x is expressed as,

$x=(10 \times t)+(1 \times u)$

$x=10t+u$

The two digit number 'y' is obtained by reversing the digits of x.

So, $y=(10 \times u)+(1 \times t)$

$y=10u+t$

Now, the value of x-y is expressed as:

$x-y=(10t+u)-(10u+t)$

$x-y=10t+u-10u-t$

$x-y=9t-9u$

$x-y=9(t-u)$

So, $9(t-u)$ is equivalent to (x-y).

Answer 2:

It is given that the sum of infinite geometric series with first term 'a' and common ratio r<1 = $\frac{a}{1-r}$

Since, the sum of the given infinite geometric series = 200

Therefore, $\frac{a}{1-r}=200$

Since, r=0.15 (given)

$\frac{a}{1-0.15}=200$

$\frac{a}{0.85}=200$

$a=0.85 \times 200$

a=170

The nth term of geometric series is given by $ar^{n-1}$ .

So, second term of the series = $ar^{2-1}$ = ar

Second term = $170 \times 0.15$

= 25.5

So, the second term of the geometric series is 25.5

Step-by-step explanation:

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Use complete sentences to describe why Set A = {x|x is an even whole number between 0 and 2} = ∅.

dolphi86 [110]

Answer:

*1 month later*

Step-by-step explanation:

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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Serhud [2]

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Step-by-step explanation:

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2 years ago

from a group of 10 men and 8 women, 5 people are to be selected for a committee so that at least 4 men are on the committee. how

yaroslaw [1]

Only 1 way and that is to have 4 men and 1 woman

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4 years ago

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