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1 year ago

Quick algebra 1 question for 10 points!

Mathematics

1 answer:

Rus_ich [418]1 year ago

8 0

Answer:

109x

Step-by-step explanation:

We know that there are 109 students in the fourth grade, who each have x cupcakes. In order to find the total amount of cupcakes, we could add all of the cupcakes together to get:

x + x + x + x + .... x

109 times because there are 109 students.

This can be simplified to become 109x.

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A bag of corn tortilla chips costs 2.89 after a 15% discount. What is the original price?

Montano1993 [528]

Answer:

3.4

Step-by-step explanation:

Let the original price of the bag be = P, the selling price =2.89 after a 15% discount,

Then, Selling price= Original price- Discount on original price

$2.89=P-P(0.15)$

$2.89=P(1-0.15)$

$2.89=0.85P$

$P=\frac{2.89}{0.85}$

$P=3.4$

Thus, the original price was 3.4.

4 0

3 years ago

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The area of triangle ABC is _____. A 60 B65 C130 D150

Romashka [77]

Is there a picture that goes with the question ?

7 0

2 years ago

At the beginning of an environmental study, a forest covered an area of 1500km^2. Since then, the area has decreased by 6.3% eac

geniusboy [140]

The <em><u>correct answer</u></em> is:

$y=1500(0.937)^t$

Explanation:

An exponential function is of the form

$y=a\times b^x$ , where a is the initial population, b is 1 plus the amount of yearly change, and x is the number of years.

For our problem, a, the initial population, is 1500.

The yearly change is 6.3%; 6.3% = 6.3/100 = 0.063. Since it is decreasing, this is negative; 1+(-0.063) = 0.937.

We use t as the number of years.

This gives us

$y=1500(0.937)^t$

3 0

3 years ago

What is the area of the triangle

Ludmilka [50]

Wouldn't the formula be a×b/2?

4 0

3 years ago

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19 ft 17ft 19 ft Volume =

Elis [28]

Answer:

1,022.83 ft³

Step-by-step explanation:

volume= ⅓×½××19×17×19 = 1,022.83 ft³

3 0

3 years ago

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