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Sophie [7]
3 years ago
15

jared bought a package of pens containing 20 pens.  If 3/4 of the pens had black ink, how do you determine the number of pens wi

th black ink?
Mathematics
2 answers:
bonufazy [111]3 years ago
8 0
Well 1/4 of the pens would be 5 (20/4=5)
so 3/4 would be 5x3= 15
15 of the pens have black ink

My name is Ann [436]3 years ago
6 0
Wouldn't you take .75 multiplied by 20? .75 is 3/4 obviously. <span />
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Irina18 [472]
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6 0
3 years ago
What is the solution set
netineya [11]
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4 0
3 years ago
(Full question above)
zlopas [31]

Answer:

B. 300

Step-by-step explanation:

Final figure volume = big cuboid volume - small cuboid volume

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5 0
3 years ago
Factor 9x^+12x-16 , sincerely appreciate all the help I can receive.
zheka24 [161]
The correct answer is:  [C]:  " -4 (-2x² - 3x + 4) " .
______________________________________________________
Explanation:
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8x² + 12x - 16 ;  factors into:

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5 0
3 years ago
Someone please Solve 3 (x - 1) = 6. Thank you
kramer
We have an equation with parentheses. To make our lives easier, first get rid of the parentheses. We do this by using the distributive property.

It is used like this: a(b + c) = ab + ac.

Use the distributive property on the left-hand side.

3(x - 1) = 6
3x - 3 = 6

Now we have an equation that is easier.

The x variable is being multiplied by 3 and added to -3.
Reverse all of these operations with their inverse operation.

3x - 3 = 6
3x = 9 <--- I got rid of the -3 term by using the inverse of subtraction. Addition.
                  And I did the same for both sides to keep the equation true.
x = 3 <--- The inverse of multiplication is division.
                So, I divided both sides by 3.

So, x is equal to 3.
3 0
3 years ago
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