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2 years ago

Use the distributive property and simplify the expressions.

Mathematics

2 answers:

qwelly [4]2 years ago

4 0

12n-16.
12+12v.
-p-4.
-2x+8.
3x-21+7.
3-24x+4

Yuki888 [10]2 years ago

3 0

Question 1) 4(3n-4)

4×3n+4×−4
12n+4×−4
12n−16

Question 2) -3(-4-4v)

−3×−4−3×−4v
12−3×−4v
12−(−12v)
12+12v

Question 3) -(p-4)

−p+4
4-1

Question 4) 2(-x+4)

2(4−x)
2×4+2×−x
8+2×−x
8−2x

Question 5) 3(x-7)+7

3x−21+7
3x-14

Question 6) 3(1-8x)+4 =

3−24x+4
-24x+7

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Read 2 more answers

There are 24 pens in a desk drawer. The pens are either red or blue. The ratio of red pens to blue pens is 5:1. How many pens ar

Flura [38]

Answer:

The number of red pens is 20.

The number of blue pens is 4.

Step-by-step explanation:

We are given that, the ratio of number of red pens to the number of blue pens is 5 : 1.

∴ Let us assume that the number of red pens be 5x and number of blue pens be x.

Total number of pens in the desk drawer = 24

Now, according to question :

Number of red pens + Number of blue pens = 24

⇒5x + x = 24

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⇒ $x=\frac{24}{6}=4$

So, number of red pens in the drawer = 5x = 5 × 4 = 20

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