3 years ago

Which is true about the polynomial y^2- 3y +12?

1 answer:

8 0

It has 3 terms (y²) and (-3y) and (12), so it's a trinomial.

The degree of a polynomial with 1 variable is the highest exponent...so it has a degree of 2. But if it had more then 1 variable, it would be different.

ANSWER: The polynomial is a trinomial with a degree of 2

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Serenity picked 75% of the apples of a tree in her backyard. If she picked 30 apples, how many apples were on the tree to begin

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Given:

Serenity picked 75% of the apples of a tree in her backyard.

She picked 30 apples.

To find:

The number of apples on the tree in the beginning.

Solution:

Let x be the number of apples on the tree in the beginning.

Serenity picked 75% of the apples of a tree in her backyard.

Number of apples picked = 75% of x

= $\dfrac{75}{100}x$

= $\dfrac{3}{4}x$

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$\dfrac{3}{4}x=30$

Multiply both sides by 4.

$3x=4\times 30$

$3x=120$

Divide both sides by 3.

$x=\dfrac{120}{3}$

$x=40$

Therefore, the number of apples on the tree in the beginning is 40.

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32

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3 years ago

Solve the equation a + b - c = 180 for a. *

spin [16.1K]

Answer:

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