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4 years ago

2x -4(x+2) = -2x - 8

Mathematics

1 answer:

azamat4 years ago

6 0

Answer:

All real numbers

Step-by-step explanation:

First, distribute the -4 on the left side

2x-4(x+2)=-2x-8

2x-4*x+-4*2=-2x-8

2x-4x-8= -2x-8

Combine like terms on the left side

-2x -8 = -2x -8

Since the two sides are equal, all real numbers are solutions

Hope this helps! :)

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What is the quadratic function f(x)? Is it a maximum or a minimum? - Please quickly!!

kolbaska11 [484]

Answer:

Step-by-step explanation:

The graph decreases to a minimum then turns and increases.

This is a minimum and occurs at the vertex (1, - 4 )

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3 years ago

the length of a rectangle is 39cm less than five times its width. find the dimensions if the perimeter is 414cm. 2L+2W = P

Oksanka [162]

Answer:

41 cm and 166 cm

Step-by-step explanation:

As per question we have:

2(l + w) = 414 ⇒ l + w = 207
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Solve it for l by substitution:

5w - 39 + w = 207
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3 years ago

Lana cuts 2 pieces for every 7 inches from a dowel for a craft project, for a total of 6 pieces.

n200080 [17]

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4 years ago

To win the game, Elena has to roll an even number first and a number less than 3 second. Her probability of winning is 6/36.

Nitella [24]

Answer:

Prob (Marta winning) < Prob (Elena winning) : Case 1st, 3rd & 5th
Prob (Marta winning) = Prob (Elena winning) : Case 2nd
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Step-by-step explanation:

Elena outcomes of winning, first even no. & second no. = 3 : (2,1) , (2,2) , (4,1) , (4,2) , (6,1) , (6,2). So, Probability (Elena willing) = favourable outcomes / total outcomes = 6 / 36

Margie dice sum '7' outcomes = (2,5) , (5,2) , (3,4) , (4,3). So, Prob = 4/36
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Margie dice sum '>9' outcomes = (3,6) , (6,3) , (4,5) , (5,4) , (4,6) , (6,4) , (5,5) , (5,6) , (6,5) , (6,6). Prob = 10/36
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8 0

3 years ago

Read 2 more answers

Tracy bought a new silk shirt. The shirt is on sale for 20% off the original price. If the original price was $56, what is the s

SIZIF [17.4K]

Answer:

$44.80

Step-by-step explanation:

$56 * 0.2 (%20) = $11.20

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3 0

3 years ago