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Gre4nikov [31]
3 years ago
10

-1/2+2/5 in simplest form

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
5 0

Answer:-1/10

Step-by-step explanation:

Effectus [21]3 years ago
4 0

Answer:

-1/10

Step-by-step explanation:

We need to get a common denominator of 10

-1/2 *5/5 = -5/10

2/5*2/2 = 4/10

-5/10 +4/10 = -1/10

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In the figure BC || DE . Angles__________
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Solve for x: 5x + one third (3x+6) >14​
Korolek [52]
Question: 5x + 1/3(3x+6) >14

First step, distribute:
5x + 1x +2>14

And combine x’s:
6x+2>14

Next, bring 2 to the other side (sign will change to negative):
6x>14-2
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Last step, bring 6 to the other side dividing 12 by 6:
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Let me know if you have any further questions.
6 0
3 years ago
How many different 5-person subcommittees can be formed from a club having 12 members
Wittaler [7]
Given that there are 12 persons, the first choice may be in 12 different ways, the second choice may be in 11 different ways, ther third in 10 different ways, the fourth in 9 different ways and the fith in 8 different ways, for a total of:

12x11x10x9x8 different combinations.

Now you have to take in account that 5x4x3x2 are repetitions. So you have to divide the previos counting by 5x4x3x2.

(12x11x10x9x8)/(5x4x3x2) = 792 different subcommittees.

Also, you can use the formula for combinations: C(m,n) = m! / (n! (m-n)!)

C (12, 5) = 12! / (5!) (12-5)! = [12x11x10x9x8x7!] / [5! 7!] = [12x11x10x9x8]/[5x4x3x2] = 792
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3 years ago
Calculate the radius if the circles given the Diameter. <br><br>d= 7.8​
lozanna [386]
The radius would be half of that. so the answer is 3.9
5 0
3 years ago
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