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Leya [2.2K]
3 years ago
8

(X+3) (X-2) Standard form. Please show steps.

Mathematics
1 answer:
Zolol [24]3 years ago
8 0

Use distributive property:

(x+3)(x-2)=(x)(x)+(x)(-2)+(3)(x)+(3)(-2)\\\\=x^2-2x+3x-6=x^2+x-6

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Winning the jackpot in a particular lottery requires that you select the correct four numbers between 1 and 42 ​and, in a separa
NARA [144]

Answer:

\dfrac{1}{3,357,900}

Step-by-step explanation:

There are

C^{42}_4=\dfrac{42!}{4!(42-4)!}=\dfrac{42!}{4!\cdot 38!}=\dfrac{38!\cdot 39\cdot 40\cdot 41\cdot 42}{2\cdot 3\cdot 4\cdot 38!}=39\cdot 10\cdot 41\cdot 7=111,930

different ways to select the  four numbers between 1 and 42. Only one of this ways is correct (successful to win).

There are 30 different ways select the single number between 1 and 30. Only one of them is correct.

The  probability of winning the jackpot is

\dfrac{1}{111,930}\cdot \dfrac{1}{30}=\dfrac{1}{3,357,900}

4 0
3 years ago
Read 2 more answers
Is tu parallel to vw? Explain.
Varvara68 [4.7K]

Answer: C

Step-by-step explanation:

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2 years ago
Kenya exchange $200 for euros (€) suppose the conversion rate is €1 = $1.321 how many euros should kenya recieve?
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Since 1 Euro is 1.321 in American money you must convert the value to $200
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8 0
2 years ago
Lucy earns ​$5.50 per hour at a local restaurant. She earns time and a half for each hour she works on a holiday. Lucy worked se
Mrrafil [7]
X will be used for the value of money she earned that week.

H represents the normal hours she worked.

D represents the number of days.

Y will represent the hours on the holiday.

Since she would be getting time and a half on the holiday, you would need to find how much time and a half pay would be first.

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X = 5.50(H)(D) + 8.25(Y)

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3 years ago
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Brrunno [24]

Answer:

12.57

Step-by-step explanation:

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2 years ago
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