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Volgvan
3 years ago
5

The probability of a student getting an A in mathematics

Mathematics
1 answer:
marysya [2.9K]3 years ago
5 0

Answer:

00.29

Step-by-step explanation:

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If the relationship between the number of tickets sold and the number of hours proportional ? If so, how many tickets were sold
harkovskaia [24]

Answer:

t = 640

Step-by-step explanation:

tickets are directly proportional to number of hours.

t =kh

we find K.

240 = 3k

we divide by 3 in both sides.

k = 80

we substitute K to find how many tickets.

t =80 × 8

t = 640

it doesn't matter if you chose any two, e.g., you would get the same answer even if you used 5 and 400, or 9 and 720

6 0
3 years ago
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Which expression is equivalent to sqrt128x^5y^6/2x^7y^5 ? Assume x 0 and y > 0.
kolbaska11 [484]

<u>Answer:</u>

\frac{8\sqrt{y} }{x}

<u>Step-by-step explanation:</u>

We are given the following expression and we are to simplify it:

\sqrt {\frac {128x^5y^6} {2x^7y^5} }

To make it easier to solve, we can also write this expression as:

\sqrt {\frac{128}{2} * \frac {x^5} {x^7} * \frac {y^6} {y^5}}

Now we will cancel out the like terms to get:

\sqrt {64*\frac{1} {x^2}*y }

Taking the square root of the terms to get:

8*\frac {1}{x} .\sqrt{y}

\frac{8\sqrt{y} }{x}

4 0
3 years ago
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Juan is 1 1/4 feet shorter than Maria. Maria is 1/3 foot taller than Luis. If Luis is 62 inches tall , how tall are Maria and Ju
zheka24 [161]

Answer:

maria is 66 in juan is 51 in.

Step-by-step explanation:

1 1/4= 15 in.

1/3= 4 in.

Maria - 62+4= 66in.= 5 ft 6 in

Juan - 66in. - 15in. = 51

4 0
3 years ago
Write 5/4 as sum of unit fraction
3241004551 [841]
1 and one fourths( 1 1/4)
5 0
3 years ago
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In one month Miranda earned $800 at her part-time job, and $70 was withheld for federal income tax. Suppose she earns $1200 next
My name is Ann [436]
The answer is 105 dollars

7 0
3 years ago
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