3 years ago

Which expression is equivalent to 84.63?

Mathematics

2 answers:

Troyanec [42]3 years ago

8 0

Answer:

5x2 + 30x + 25 = 0

Step-by-step explanation:

5x2 + 30x + 25

Oksana_A [137]3 years ago

4 0

Answer:

Step-by-step explanation:

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I think it is D

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Jet001 [13]

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Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

maxonik [38]

ANSWER

$2 \frac{1}{4}$

EXPLANATION

We want to find the constant that must be added to

${x}^{2} - 3x$

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$a{x}^{2} + bx + c$

we have

a=1 , b=-3 , and c=0.

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${( \frac{b}{2a} })^{2}$

We substitute the values to get,

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We change this to mix numbers to get,

$2 \frac{1}{4}$

The last choice is correct.

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3 years ago

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fenix001 [56]

Answer:

Step-by-step explanation:

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3 years ago

An organization will give a prize to a local artist. The artist will be randomly chosen from among 10 painters, 3 sculptors, and

Fofino [41]

The probability is 8/18 or 44%.

Since there are 3 sculptors and 5 photographers, and the question is asking for either a sculptor or photographer, you add them together. There are a total of 18 artists, and the probability is the chance of a certain thing happening over the total amount of things that can happen (i.e. a coin landing on heads is 50%).

The answer would be 8/18.

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3 years ago

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