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Anni [7]
3 years ago
8

At a school

Mathematics
2 answers:
nevsk [136]3 years ago
8 0
124 divided by 11 = 11.27 (recurring)
11.27 x 9 = 101

There are 124 boys and 101 girls
rusak2 [61]3 years ago
3 0

Answer:

Step-by-step explanation:

i dont the answer dude

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For which values of P and Q does the following equation have infinitely many solutions ?
Rzqust [24]
I’d say the answer would be d
7 0
3 years ago
A group consists of fivefive men and sevenseven women. FourFour people are selected to attend a conference.
exis [7]

Answer:

Step-by-step explanation:

a.

4 people can be selected in ways=12 P4=12×11×10×9=11880

b.

4 women can be selected in  ways=7P4=7×6×5×4=840

c.

P=\frac{840}{11880} =\frac{7}{99}

6 0
3 years ago
Find the Quotient.<br>2,874 - 4​
Tanya [424]

Answer:

718.5

Step-by-step explanation:

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3 0
3 years ago
A group of students and teachers are going on a field trip? One ninth of the group will fit on 1/3 of a school bus. How many bus
solniwko [45]
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6 0
3 years ago
[50 pts] An even number, n, times the next consecutive number, n + 2, is equal to 168. Find the original number.
ale4655 [162]

<u>We are given:</u>

An even number 'n', multiplied by the next consecutive even number is 168

<u>Solving for n:</u>

From the given statement, we can say that:

n(n+2) = 168                      [<em>n multiplied by the next even number 'n+2'</em>]

n² + 2n = 168

n² + 2n - 168 = 0               [<em>subtracting 168 from both sides</em>]

We can see that we now have a quadratic equation, solving using splitting the middle term

n² + 14n - 12n - 168 = 0

n(n + 14) -12(n + 14) = 0      <em>[factoring out common terms</em>]

(n-12)(n+14) = 0

Here, we can divide both sides by either (n-12) OR (n+14)

Checking the result in both the cases:

(n + 14) = 0/(n-12)                     (n-12) = 0/(n+14)

n + 14 = 0                                 n - 12 = 0

n = -14                                      n = 12

Both these values are even and since we are not told if the number 'n' is positive or negative, both 12 and -14 are the possible values of n

4 0
3 years ago
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