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kiruha [24]
3 years ago
6

at the movies you order 3 boxes of popcorn and bottle of water the cost of the bottle of water is $1.75.Your total cost is $9.25

write and solve an equation to find the total cost of one box of popcorn
Mathematics
2 answers:
Troyanec [42]3 years ago
4 0

Answer:

($9.25 - $1.75) ÷ 3 = $2.5

Step-by-step explanation:

So the bottle of water costs $1.75. The total was $9.25. To find how much the 3 boxes of popcorn cost, you have to do the cost of the bottle of water from the total. ($9.25 - $1.75 = $7.5) Now what we have to do is find the cost of 1 box, we know that 3 boxes is $7.5, so then we need to do $7.5/3 ($7.5 ÷ 3) 7.5 divided by 3 is 2.5. Therfore 1 box of popcorn is $2.5.

Equation: ($9.25 - $1.75) ÷ 3 = $2.5

gladu [14]3 years ago
3 0

Answer:

Cost of popcorn= $9.25 - $1.75 ÷ 3

Cost of popcorn= $7.50 ÷ 3

Cost of popcorn= $2.50 per box

Step-by-step explanation:

I am not that sure about the equation, but I know the answer

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Explain how to use Pascal's Triangle to expand the binomial (3x-4y)^11
Mars2501 [29]

The solution to the binomial expression by using Pascal's triangle is:

\mathbf{=177147x^{11}-2598156x^{10}y +17321040x^9y^2-69284160x^8y^3+184757760x^7y^4}

\mathbf{-344881152x^6y^5+459841536x^5y^6-437944320x^4y^7+291962880x^3y^8}

\mathbf{-129761280x2y^9+34603008xy^{10}-4194304y^{11}}

<h3>How can we use Pascal's triangle to expand a binomial expression?</h3>

Pascal's triangle can be used to calculate the coefficients of the expansion of (a+b)ⁿ by taking the exponent (n) and adding the value of 1 to it. The coefficients will correspond with the line (n+1) of the triangle.

We can have the Pascal tree triangle expressed as follows:

                          1

               1                   1

        1                2                 1

    1          3              3               1

1      4            6                4            1

--- --- --- --- --- --- --- --- --- --- --- --- --- --- ---

From the given information:

The expansion of (3x-4y)^11 will correspond to line 11.

Using the general formula for the Pascal triangle:

\mathbf{(a+b)^n = c_oa^nb^0 + c_1 a^{n-1}b^1+c_{n-1}a^1b^{n-1}+c_na^0b^n}

The solution to the expansion of the binomial (3x-4y)^11 can be computed as:

\mathbf{=177147x^{11}-2598156x^{10}y +17321040x^9y^2-69284160x^8y^3+184757760x^7y^4}

\mathbf{-344881152x^6y^5+459841536x^5y^6-437944320x^4y^7+291962880x^3y^8}

\mathbf{-129761280x2y^9+34603008xy^{10}-4194304y^{11}}

Learn more about Pascal's triangle here:

brainly.com/question/16978014

#SPJ1

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6 0
2 years ago
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alekssr [168]

Answer: the answer is infinite solutions

Step-by-step explanation:Systems of Equations Level 1:

Question 1

Two linear equations are given below.

Exactly how many solutions does this system of equations have?

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4 0
2 years ago
Please help I don’t understand
KIM [24]

Answer:

The equivalent ratios are:

16:10

8:5

48:30

Step-by-step explanation:

It is given that the ratios are equivalent ratios. So all the ratios will simplify to the same ratio. We can use this to find the ratios.

given ratio is:

16:10

which simplifies to

8:5

We can observe that the second ratio will be same 8:5

Now,

\frac{8}{5} = \frac{x}{30}\\x = \frac{8}{5} * 30\\x = 48

Hence,

The equivalent ratios are:

16:10

8:5

48:30

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2 years ago
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