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Ulleksa [173]
3 years ago
11

Simplify 3(x - 6) - 4(x 3). a. -x - 30 b. -x - 9 c. -x - 6 d. -x2 - 30

Mathematics
2 answers:
Lelechka [254]3 years ago
8 0
3(x - 6) - 4(x + 3) = 3x - 18 - 4x - 12 = -x - 30
Tom [10]3 years ago
6 0

Answer:

-x-30

Step-by-step explanation:

first you need to distribute:

3(x)+3(-6) -4(x)+ (-4)(3)

Then you multiply:

3x+(-18)-4x+(-7)

then you combine like terms:

3x-4x= -1x

-18+(-7)= -25

simplified:

-1x-30

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6 0
3 years ago
What is the area of the shaded region plzz help
Aneli [31]

Answer:

78.10 cm^2

Step-by-step explanation:

The area of the shaded region is the area of the rectangle subtracted from the area of the circle.

area of circle = (pi)r^2

area of rectangle = LW

shaded area = area of circle - area of rectangle

shaded area = (pi)r^2 - LW

shaded area = (pi)r^2 - LW

shaded area = (3.14159)(6 cm)^2 - (7 cm)(5 cm)

shaded area = (3.14159)(36 cm^) - 35 cm^2

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shaded area = 78.097 cm^2

Answer: 78.10 cm^2

3 0
3 years ago
Read 2 more answers
A bag contains 5 blue marbles, 2black marbles ,and 3 red marbles. A marine is randomly drawn from the bag The probability of not
notka56 [123]

Answer:

80%; 30%

Step-by-step explanation:

There is 5 blue marbles, 2 black marbles, and 3 red marbles. In other words, there is a total of 10 marbles.

There are only 2 black marbles and 8 marbles that are not black. Therefore, the probability of <em>not</em> drawing a black marble is 8/10 or 4/5 or 80%.

There are only 3 red marbles out of the 10 total marbles. Therefore, the probability of drawing a red marble is 3/10 or 30%.

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Inessa [10]

Answer:

83 %

Step-by-step explanation:

If 5 out of 30 got an A, that means that

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25 out of 30 did not get and A

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Rounding to the nearest whole percent

83 %

8 0
2 years ago
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