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3 years ago

Bubba buys a $95 calculator on sale for 30% off. what's the discount and sales price?

Mathematics

1 answer:

Troyanec [42]3 years ago

4 0

Firstly, we multiply 95 by 30% and divide it by 100.
95 * 30/100= 28,5

95-28,5= 66,5

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The value of the digit 9 is 2,107,954

astraxan [27]

The value of the digit 0 is 10 thousand.
What you have to do is break down the numbers so since there is no 0 in 954, then you would move on to the next 3 sets of numbers of which, if the number was just 107, you could see that the 0 is in the tens place and since it is actually 107,000, then you would say that the 0 is in the ten thousands place.

8 0

4 years ago

The san paulo community swimming pool can be filled in 12 hr if water enters through a pipe alone or in 30 hr if water enters th

Nuetrik [128]

Alright, lets gets started.

If water enters through a pipe alone, swimming pool can be filled in 12 hr.

Or say, in 12 hrs, swimming pool can be filled with help of pipe.

It means in 1 hr, the part of swimming pool filled = $\frac{1}{12}$ (For pipe only)

Similarly, with hose only, , in 1 hr, the part of swimming pool filled = $\frac{1}{30}$

So, water is coming from both, pipe and hose , then in 1 hr, the part of pool filled will be = $\frac{1}{12} + \frac{1}{30}$

Suppose in x hrs, with both supplies, pipe and hose, pool is filled.

Means

$\frac{1}{12} + \frac{1}{30} = \frac{1}{x}$

making common denominator

$\frac{30}{360} + \frac{12}{360} = \frac{1}{x}$

$\frac{30 + 12}{360} = \frac{1}{x}$

$\frac{42}{360} = \frac{1}{x}$

Flipping

$\frac{360}{42} = x$

$x = \frac{60}{7}$

Means 8.57 hrs : Answer

Hope it will help :)

7 0

3 years ago

FIRST ANSWER GETS BRAINLIEST (ANSWER HAS TO BE IN DETAIL)

agasfer [191]

Answer:

2975.978

Step-by-step explanation:

This is pretty easy, just keep the order going on.

Here is the CORRECT order:

2 Thousand(s)

9 Hundred(s)

7 Ten(s)

5 One(s)

decimal part because there is th after each type of number (ex. thousandth)

9 Tenth(s)

7 Hundredth(s)

8 Thousandth(s)

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kolezko [41]

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Trava [24]

This question is true

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