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Serga [27]
2 years ago
13

Solve these quetions......

Mathematics
1 answer:
vaieri [72.5K]2 years ago
3 0

Step-by-step explanation:

a.) 9

When you divide with a fraction you do the reciprocal of the fraction (basically flipping numerator and denominator) then multiplying (since the opposite of division is multiplication.

So if you flip

\frac{1}{9}

It would be:

\frac{9}{1}

9/1 is the same as 9 so:

1 times 9 = 9

b.) 15

Same thing like we did above, just do the reciprocal the multiply.

\frac{1}{5}

Becomes

\frac{5}{1}

5/1 is the same as 5.

3 times 5 = 15

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Two different floor plans are being offered in a new housing development. Several prospective
cricket20 [7]

Answer:

0.912

Step-by-step explanation:

<em>The complete question is attached.</em>

<em />

"OR" in probability means "ADDITION". So we find the individual probabilities and "ADD" them.

P(Plan A) would be the total people for plan A (add up column of Plan A) divided by total number of people [add up all the numbers].

Looking at the table, we have:

P (Plan A) = 38/68

Now,

P(40-49 Group) can be found by adding up the row of 40-49 age group and dividing by the total. So, we have:

P(40 - 49 Group) = 24/68

Now, adding up both:

38/68 + 24/68 = 62/68 = 0.912

7 0
3 years ago
A number added to itself equals 3 less than the number..
ivanzaharov [21]
The answer would be -6.
3 0
3 years ago
At a restaurant, 40% of customers order tacos and 60% order fajitas. Of the customers that order tacos, 50% order a chicken taco
fiasKO [112]

Answer:

38% order a chicken dinner

Step-by-step explanation:

40% order tacos.  50% of 40% order chicken tacos.  50% of 40% = 0.5 * 0.4 = 0.2 = 20% order chicken tacos.

60% order fajitas.  30% of 60% order chicken fajitas.  30% of 60% = 0.3 * 0.6 = 0.18 = 18% order chicken fajitas.

20% + 18% = 38% order a chicken dinner.

7 0
3 years ago
question 1 . Julia and ana have 7.20 ana have five times as much as Julia how much does each girl have
zloy xaker [14]
Julia has 1.44 and Ana has 5.76
7.20
1.44
7 0
3 years ago
94 plus 20 subract 8
Marina86 [1]
The answer is 106 your welcome :-)
7 0
3 years ago
Read 2 more answers
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