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Aneli [31]
3 years ago
9

1) 1/2 + 11/12 + 4/6 =?

Mathematics
1 answer:
FrozenT [24]3 years ago
8 0
The answer to question 1 is 25\12
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A teacher has 24 students in her class. She wants to divide them into 4 equal groups. Write an expression to represent the numbe
Karo-lina-s [1.5K]

let's set up an equation

4x=24

solve normally:

x=6

so the expression is 4x=24 and she can have 6 kids in each group

6 0
3 years ago
In a large apartment building, 35 of the apartments have a balcony and 55 do not. An apartment us randomly selected as part of a
Vadim26 [7]

11/18 probability

90 apartments total

35/90=

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4 0
3 years ago
At a football stadium, 10% of the fans in attendance were teenagers. If there were 330
pishuonlain [190]

Answer: 3300 teenagers

Step-by-step explanation:

10/100

330/x

After you cross multiply then divide, x equals 3300.

8 0
3 years ago
Which expression is equivalent to
nirvana33 [79]

For this case, we must find an expression equivalent to:

\frac {-9x ^ {- 1} y ^ {- 9}} {- 15x ^ 5y ^ {- 3}}

By definition of power properties we have:

a ^ {- 1} = \frac {1} {a ^ 1} = \frac {1} {a}

Rewriting the previous expression we have:

The "-" are canceled and we take into account that:

\frac {9} {15} = \frac {3} {5}

So:

\frac {3} {5x^5 * x ^ 1 *y ^ 9* y ^ {- 3}} =

According to one of the properties of powers of the same base, we must put the same base and add the exponents:

\frac {3} {5x ^ {5 + 1} * y ^ {9-3}} =\\\frac {3} {5x ^ 6 * y ^ 6}

Answer:

\frac {3} {5x ^ 6 * y ^ 6}

Option B

3 0
3 years ago
Read 2 more answers
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kvasek [131]
No she needs four more ounces of cheese to make 2 batches of mac n cheese and 3 pizzas
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