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3 years ago

12

Frank has a box of pens. The box contains 6 blue pens, 8 black pens and 3 red pens. Some more blue pens are added to the box. Th

e probability of selecting a blue pen is now 1/2. How many blue pens were added to the box?

2 answers:

polet [3.4K]3 years ago

7 0

Answer: umm i calculated about 10??

Step-by-step explanation:

sammy [17]3 years ago

3 0

I think 10 hope this helps

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Find two consecutive ODD integers such that: The square of the larger is 120 more than the square of the smaller

BlackZzzverrR [31]

Answer: See explanation

Step-by-step explanation:

Le the number be x and x+2

The information given can be formed into and equation as:

(x + 2)² = x² + 120

(x + 2)(x + 2) = x² + 120

x² + 2x + 2x + 4 = x² + 120

Collect like terms

x² - x² + 2x + 2x = 120 - 4

4x = 116

x = 116/4

x = 29

The smallest number is 29

The larger number is x + 2 = 29 + 2 = 31

6 0

3 years ago

Which of the following represents the factorization of the trinomial below?

saw5 [17]

Answer: (x-8)(x+6)

Step-by-step explanation: For this equation, you need to figure out what two numbers add up to add -2, and multiply to get -48.

These numbers are +6 and -8. So the factored pair will be (x+6)(x-8)

Hope this helps:)

3 0

4 years ago

Read 2 more answers

What is the distance between the points M (-3, 7) and N (a, b)?

gavmur [86]

Answer: $\sqrt{ (-3-a)^2 + (7-b)^2 }$

Explanation:

We plug the given coordinates into the distance formula

$d = \sqrt{ (x_1-x_2)^2 + (y_1-y_2)^2 }\\\\$

There isn't much we can do from there since we don't know the values of 'a' or 'b'. You could expand out each binomial, but it's more simplified being factored like that.

4 0

4 years ago

Drag and drop the statement that shows the solution to the equation into the box. Response area 2 1/7+3/7(3x−5)=−4

shutvik [7]

Answer:

21

Step-by-step explanation:

8 0

3 years ago

P=12 when q=8 and r=3

guapka [62]

<h3>we can make the below formulas with this information:</h3>

$1. \frac{p}{q} = r \\ 2.q \times r = p \\ 3. \frac{p}{r} = q \\ 4.\frac{q \times r}{p} = 1$

<h3>hope it helped you :-)</h3>

8 0

3 years ago