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andreyandreev [35.5K]
2 years ago
7

Which expression uses the associative property to make it easier to evaluate 14(3/2 x 1/4)?

Mathematics
1 answer:
Ann [662]2 years ago
7 0

Answer:

D.

Step-by-step explanation:

my quiz said so

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At an assembly 7 out of the first 10 students who entered the gym we're carrying a backpack. Based on this on formation if 700 s
Romashka [77]

Answer:

490 students have back packs

Step-by-step explanation:

700 / 10 = 70

70* 7 = 490

6 0
3 years ago
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In an Independent Event, the first event has an effect on the second event.
leva [86]

Answer:

It false

Step-by-step explanation:

Two events are independent if the result of the second event is not affected by the result of the first event. If A and B are independent events, the probability of both events occurring is the product of the probabilities of the individual events.

7 0
1 year ago
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Please helpppp me ! If the sum of the roots of the equation mx^2 - (6m+1)x+m^3+m^2+4=0 is equal to 7 , what is the product of it
zepelin [54]

Answer:

The product of its roots is 6.

Step-by-step explanation:

Let m\cdot x^{2}-(6\cdot m +1)\cdot x+(m^{3}+m^{2}+4) = 0, all roots are calculated by Quadratic Formula:

r_{1} = \frac{6\cdot m +1 + \sqrt{(6\cdot m + 1)^{2}-4\cdot m\cdot (m^{3}+m^{2}+4)}}{2\cdot m} (1)

r_{2} = \frac{6\cdot m +1 - \sqrt{(6\cdot m + 1)^{2}-4\cdot m\cdot (m^{3}+m^{2}+4)}}{2\cdot m} (2)

According to statement, we know that:

r_{1}+r_{2} = 7 (3)

By applying (1) and (2) in (3), we have the following expression:

\frac{6\cdot m +1}{m} = 7

6\cdot m + 1 = 7\cdot m

m = 1

If we know that m = 1, then the roots of the polynomial are, respectively:

x^{2}-7\cdot x +6 = 0

r_{1} = 6

r_{2} = 1

And the product of the roots is:

r_{1}\cdot r_{2} = 6

The product of its roots is 6.

7 0
2 years ago
Find the factors of each number.
Dima020 [189]
They are listed very weirdly so i will go according to your numbering system
2- 1, 20, 2, 10, 4, &5
1- 1, 14, 2, 7

4- 3,6,9,12,15
3- 2,4,6,8,10
6-5,10,15,20,25
5- 6,12,18,24,30
8- 7,14,21,28,35
7- 8,16,24,32,40
8 0
2 years ago
I need help please!!!!
Paul [167]

Answer:

y = x + 3

Step-by-step explanation:

6 0
2 years ago
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