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Anni [7]
2 years ago
12

A rectangle is always a parallelogram true or false

Mathematics
1 answer:
DochEvi [55]2 years ago
3 0
That is true because a parallelogram has four sides.
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4. Divide z(5z2 - 80) by 5z (z+4)​
insens350 [35]

Answer:

z-4

Step-by-step explanation:

z(5z²-80) ÷ 5z(z+4) = z-4

Step-by-step explanation:

Given: z(5z²-80) ÷ 5z(z+4)

Calculation:

First we factor numerator z(5z²-80)

Take out 5 from 5z²-80 and we get 5z(z²-16)

Now we factor 16 = 4²

5z(z²-4²)

Using formula, (a²- b²)=(a+b)(a-b)

5z(z²- 4²)⇒5z(z+4)(z-4)

Simplified fraction

5z(z+4)(z-4) ÷ 5z(z+4)

Cancel like factor from numerator and denominator

⇒ z-4

Thus, z(5z²-80) ÷ 5z(z+4) = z-4

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Please help me on 15ab!! will mark brainliest
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15a) 1.2 x 10^6

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A set of cards with a letter on each card as shown below are placed into a bag. Howard picks a card at random from the bag.
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