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ki77a [65]
2 years ago
10

Andrew blew up 25 more balloons than the quotient of the number that Cameron blew up and 8. Cameron blew up b balloons. Write an

expression for the number of balloons Andrew blew up.
Mathematics
1 answer:
Phantasy [73]2 years ago
6 0

Answer:

=Y2-10Y

We move all terms to the left:

-(Y2-10Y)=0

We add all the numbers together, and all the variables

-(+Y^2-10Y)=0

We get rid of parentheses

-Y^2+10Y=0

We add all the numbers together, and all the variables

-1Y^2+10Y=0

a = -1; b = 10; c = 0;

Δ = b2-4ac

Δ = 102-4·(-1)·0

Δ = 100

The delta value is higher than zero, so the equation has two solutions

We use following formulas to calculate our solutions:

Y1=−b−Δ√2aY2=−b+Δ√2a

Δ‾‾√=100‾‾‾‾√=10

Y1=−b−Δ√2a=−(10)−102∗−1=−20−2=+10

Y2=−b+Δ√2a=−(10)+102∗−1=0−2=0

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Answer:

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Step-by-step explanation:

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The grocery store is having a candy sale. Originally, a candy bar was $1.50. The
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The markdown rate is 66.7%.

<h3>Markdown rate</h3>

Using this formula

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Let plug in the formula

Markdown rate=$1.50-$0.50/$1.50

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Inconclusion the markdown rate is 66.7%.

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y = - 5x + 7

Step-by-step explanation:

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Here m = - 5 and b = 7, thus

y = - 5x + 7 ← equation of line

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Step-by-step explanation:

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Step-by-step explanation:

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