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hichkok12 [17]
2 years ago
11

Brady has a bag with 6 black pens, 6 blue pens, and 2 red pens. If he grabs a pen at random, what is the probability that the pe

n is not red?.
Mathematics
1 answer:
DedPeter [7]2 years ago
8 0

Answer: 6/7

Step-by-step explanation:

If the pen is not red, it must be either black or blue.

Therefore, the probablity is (6+6)/(6+6+2)

= 12/14

= 6/7

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On a map, 1
chubhunter [2.5K]
You can write this as a proportion
inch over miles = inch over miles
1/14.5 = 4.5/x
cross multiply
x = 65.25

They are actually 65.25 miles apart.

Hope this helps
6 0
3 years ago
Read 2 more answers
Find the equation for the parabola that passes through the point (-2,-4), with vertex at (3,1) and a vertical axis
Igoryamba

Answer:

see explanation

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (3, 1), hence

y = a(x - 3)² + 1

To find a substitute (- 2, - 4) into the equation

- 4 = a(- 2 - 3)² + 1

- 4 = 25a + 1 ( subtract 1 from both sides )

25a = - 5 ( divide both sides by 25 )

a = - \frac{5}{25} = - \frac{1}{5}

y = - \frac{1}{5} (x - 3)² + 1 ← in vertex form

7 0
3 years ago
Suzie looked at the diagram at right and wrote 134% = 134/100. Is she correct? Why or why not?
____ [38]

Answer:

yes

Step-by-step explanation:

since the numerator is higher then the denominator plus the extra amount 100/100 +34

3 0
3 years ago
Read 2 more answers
Your friend says that the absolute value equation |3x+8|−9=−5 has no solution because the constant on the right side of the equa
stepladder [879]

Answer:No friend is wrong


Step-by-step explanation: you actually get two answers. After you isolate the absolute value then you take the positive and negative number of what it's set equal too.


|3x + 8| - 9 = -5 add 9 to isolate the absolute value


|3x + 8| = 4


Now set two equations because the abosulte value has two answers.

|3x + 8| = 4. and |3x + 8| = -4

Solve these by removing the absolute value bars.

3x = -4. 3x = -12

x = -4/3. X = -4




7 0
3 years ago
How do I do exponents
Sauron [17]

Step-by-step explanation:

whatever the numbers is on top like say it is 2 over 5 you would do 2 x5 and get 10

3 0
2 years ago
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