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Whitepunk [10]
4 years ago
9

Evaluate the following expression: - (2.3)² – 52

Mathematics
1 answer:
zalisa [80]4 years ago
5 0

Answer:

-57.29

Step-by-step explanation:

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What is 32.15 in word form
Fynjy0 [20]
Thirty-two and fifteen hundredths 
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The number of protons in an atom is equivalent to which of the following?
lana [24]

Answer:

the atomic number

Step-by-step explanation:

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4 years ago
A store sells cans of paint for $8 each, and brushes for $12 each. If they sell 100 items, and
Montano1993 [528]

Answer:

B.) 80 cans, 20 brushes

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Let the cans of paint be represented by variable <em>p</em> , and brushes by variable <em>b</em>

The first equation would be ; p + b = 100

p = 100 - b

The second equation would be;

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=8(100-b) + 12b =880

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= subtract  800 from both sides to get;

4b = 880-800

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divide both sides by 4 to solve for b;

b= 80/4

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