2 years ago

A drawing is to be held to select

Mathematics

1 answer:

Zolol [24]2 years ago

7 0

The probability that a senior's ticket will be chosen is 3/8

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One airplane located 200km north and 50km east of an airport. A second plane at the same altitude is located 30km north and 100k

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Multiply using FOIL or Table method (x + 4) (x + 5)

mylen [45]

Answer:

${x}^{2} + 9x + 20$

Step-by-step explanation:

1) Use FOIL method: (a + b) (c + d) = ac + ad + bc + bd.

${x}^{2} + 5x + 4x + 20$

2) Collect like terms.

${x}^{2} + (5x + 4x) + 20$

3) Simplify.

${x}^{2} + 9x + 20$

Therefor, the answer is x² + 9x + 20.

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2 years ago

How do you factor the expression 7+28 using the gcf

Studentka2010 [4]

Answer:

7+28

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2 years ago

If x+y=6 and xy =2find x³+y³(please help me fast with explanation also please) T^T

Maurinko [17]

Answer: x³+y³=180

Step-by-step explain: let's remember the formula x³+y³=(x+y)(x²-xy+y²) and also x³+y³=(x+y)³-3xy(x+y) then $\displaystyle\boldsymbol{ x^3+y^3=\underbrace{(x+y)^3}_{6}-3\underbrace{xy}_{2}\underbrace{(x+y)}_6}=\\\\6^3-3\cdot 2\cdot 6=216-36=180$

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3 years ago

The width of a rectangle is 3 yards less than its length. The perimeter is 130 yards. Find the length and width of the rectangle

topjm [15]

Answer: length = 62 yards and width = 3 yards

Step-by-step explanation:

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