3 years ago

What would be the slope of a line perpendicular to y=2x + 1 be?

1 answer:

3 0

The slope of the given line is 2.

The slope of the line perpendicular to the given line is the negative reciprocal of 2 or -1/2.

Answer: -1/2

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Suppose a jar contains 15 red marbles and 19 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same

Kay [80]

Answer: $\bold{\dfrac{35}{187}}$

Step-by-step explanation:

1st marble and 2nd marble

$\dfrac{15\ red}{34\ total}$ $\times$ $\dfrac{14\ red}{33\ total}$ $=\dfrac{15\times 14}{34\times 33}=\dfrac{5\times 7}{17\times 11}= \boxed{\dfrac{35}{187}}$

8 0

2 years ago

Solve x: 3x + 99x= 1224 10 pts

Masja [62]

Answer is 12
Reason
Combine like terms
3x + 99 x = 1224
102x = 1224
Now solve for x
Divide both sides by 102
x= 12

3 0

1 year ago

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In the isosceles trapezoid ABCD, find the value of x.

Semenov [28]

Answer:

Step-by-step explanation:

3x+15=60

3x=45

x=15

6 0

3 years ago

What is 13/2 as a percent

asambeis [7]

Answer:

650% percent

Step-by-step explanation:

4 0

2 years ago

What is the area of a semi-circle with a diameter of 6cm?

ANEK [815]

Formula for the area of a circle: A = pi * r^2

A semi-circle is half of a circle. So, we will need to divide the area of the total circle by 2 to find the area of a semi-circle.

r = d / 2

r = 6 / 2 = 3

A = pi * 9

A = 9pi

Semi-circle:

A = 9pi / 2

A = 4.5 pi cm^2 or 14.14 cm^2

Hope this helps!! :)

3 0

3 years ago

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