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3 years ago

What is the degree of -5x^2?

Mathematics

2 answers:

Leno4ka [110]3 years ago

8 0

Answer: -500

Step-by-step explanation:

Zarrin [17]3 years ago

8 0

Answer:

Step-by-step explanation:

The degree or highest power of this expression is 2

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The frosty ice cream shop sells sundaes for $2 and banana splits for $3. On a hot day the shoot sold 8 more sundaes than banana

sashaice [31]

Let’s designate the number of banana splits sold as x. That means the number of sundaes sold is x + 8.

Now if we put this into an equation, also keeping in mind their costs, we get:
3(x) + 2(x + 8) = 156

Now to solve for x:
3x + 2(x + 8) = 156
3x + 2x + 16 = 156
5x = 140
x = 28

That means you’ve sold 28 banana splits and 36 sundaes! :)

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4 years ago

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yuradex [85]

Answer:

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Step-by-step explanation:

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3 years ago

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At a pumpkin patch, if Armando guesses the weight of his pumpkin within 0.3 pounds, he gets to take the pumpkin home for free. I

Reil [10]

Answer: last option

Step-by-step explanation:

You know that the weight of his pumpkin 4.9 pounds and that, if he guesses its weight within 0.3 pounds, he will get the pumpkin for free.

Then, to find the minimum weight he can guess in order to get his pumpkin for free, it's necessary to write the expression:

$x-0.3=4.9$

Rewriting it:

$x-4.9=0.3$

To find the maximum weight he can guess in order to get his pumpkin for free, it's necessary to write the expression:

$x+0.3=4.9$

Rewriting it:

$x-4.9=-0.3$

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3 years ago

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The ratio of the length of a rectangular floor to its width is 3:2. If the length of the floor is 12 meters, what is the perimet

atroni [7]

Hi!

<h3>Let's set up a proportion and cross multiply to solve. </h3>

$\frac{3}{2} \frac{12}{w}$

<h3>Solve for w</h3>

2 * 12 = 24

24/3 = 8

<h3>To find the perimeter of the floor, use this equation</h3>

<em>(l = length</em>

<em>w = width </em>

<em>p = perimeter)</em>

l + l + w + w = p

<h2>The perimeter of the floor is 40 meters. </h2>

Hope this helps! :)

-Peredhel

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4 years ago

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The two solids are similar and the ratio between the lengths of their edges is 2:9. What is the ratio of their surface areas? A)

masya89 [10]

When tow solids of similar shape that is assuming to be a box in this case, having a length ratio of 2:9, we get the ratio of the surface areas equal to the<span>square of the ratio of their edges. This is becaue the surface area is equal to the area of the base (square) which is the square of the side. Answer is B.</span>

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3 years ago

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