3 years ago

Factor by Grouping 2y2 + 7yz + 5z2

Mathematics

1 answer:

eduard3 years ago

7 0

Here you go! Hope this helps

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You pick 3 digits (0-9) at random without replacement, and write them in the order picked. what is the probability that you have

Gre4nikov [31]

There are 10*9*8 = 720 possibilities and only one case that would be the 3 digits of the phone number:

P = 1/720

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4 years ago

If you have a bag with 7 red 3 green 4 blue 11 orange marbles what is the probability the you would randomly draw an orange marb

Andreas93 [3]

Answer:

11/25

Step-by-step explanation:

# means number

probability = # of orange marbles / # of total possible outcomes

7(red) + 3(green) + 4(blue) + 11(orange) = total possible outcomes

total possible outcomes = 25

# of orange marbles = 11

11/25; the probabilty of randomling picking an orange marble is 11/25

4 0

3 years ago

Write an equation of a line perpendicular to y=3x+5 that contains the points (-3,-4)

Vlad [161]

The equation of line is:

$y = - \frac{1}{3}x-5$

Further explanation:

Given equation of line is:

y = 3x+5

The standard form of point-slope form is:

y = mx+b

Comparing the given equation with the standard form is:

m = 3

We know that product of slopes of two perpendicular lines is -1

Let m2 be the slope of line perpendicular to y = 3x+5

Then

$3 * m_2 = -1\\m_2 = -\frac{1}{3}$

Putting the value of slope in standard form

$y = -\frac{1}{3}x + b$

To find the value of b, putting (-3,-4) in equation

$-4 = -\frac{1}{3}(-3) + b\\-4 = 1 + b\\b = -4-1\\b = -5$

Putting the values of slope and b in equation

$y = - \frac{1}{3}x-5$

Keywords: Slope, Point-intercept form

Learn more about perpendicular lines at:

#LearnwithBrainly

5 0

3 years ago

The perimeter of a certain pentagon is 10.5 centimeters. Four sides of this pentagon have the same length, in centimeters, h, an

sweet [91]

H= 2.2 cm :)))))))))))

4 0

4 years ago

Read 2 more answers

Help me please :) I’m not sure what else to say lol

vodomira [7]

X = 1/4, 5, -8

Hope this helps!

3 0

2 years ago

Read 2 more answers