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3 years ago

Why is 15 + 1/2 an algebraic expression?

Mathematics

2 answers:

Marat540 [252]3 years ago

5 0

Answer:

There is no equal sign.

Step-by-step explanation:

There is no equal sign to make it an algebraic equation.

Andre45 [30]3 years ago

4 0

Answer:

15+1/2

=15+0.5

=15.5

Ans: 15.5

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Answer:

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3 years ago

What is the value of x?

o-na [289]

<h2>Answer:</h2>

$\implies \: x = 46$

<h2>Step-by-step explanation:</h2>

<u>By using external angle property</u>,

x + x = x + 46
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2 years ago

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On a trip to the beach a family spent $350 on hotel, and $275 on food. They rented bikes for $35 and later went to the movies an

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350 + 275 + 35 + movies and popcorn= 710
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3 years ago

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kupik [55]

Answer:

$360\ cm^2$

Step-by-step explanation:

<u>Step 1: Determine the area of the bottom rectangle</u>

$A = l * w$

$A = 10\ cm * 12\ cm$

$A = 120\ cm^2$

<u>Step 2: Determine the area of the back rectangle</u>

$A = l * w$

$A = 10\ cm * 5\ cm$

$A = 50\ cm^2$

<u>Step 3: Determine the area of the top rectangle</u>

$A = l * w$

$A = 10\ cm * 13\ cm$

$A = 130\ cm^2$

<u>Step 4: Determine the area of the triangle</u>

$A = \frac{h*b}{2}$

$A = \frac{5\ cm * 12\ cm}{2}$

$A = \frac{60\ cm^2}{2}$

$A = 30\ cm^2$

<u>Step 5: Determine the surface area</u>

$120\ cm^2 + 50\ cm^2 + 130\ cm^2 + 2(30\ cm^2)$

$360\ cm^2$

Answer: $360\ cm^2$

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3 years ago

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Answer:

=-1+\sqrt{15}i,\:x=-1-\sqrt{15}i

Step-by-step explanation:

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3 years ago