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KengaRu [80]
3 years ago
15

Brianna has $620 to spend at a bicycle store for some new gear and biking outfits. Assume all prices listed include tax.

Mathematics
1 answer:
alexira [117]3 years ago
3 0

Answer: 6 outfits

Step-by-step explanation:

$620 should be greater than the price of the new bicycle + 3 * bicycle reflectors + a pair of bike gloves + unknown number of biking outfits

Therefore, the inequality will be:

620 ≥ 261.04 + 3 × 13.07 + 13.57 + 51.03x

620  ≥ 313.82 + 51.03x

\text{Solving \ for \ x}

620\ge \:313.82+51.03x

\mathrm{Switch\:sides}

313.82+51.03x\le \:620

\mathrm{Multiply\:both\:sides\:by\:}100

313.82\cdot \:100+51.03x\cdot \:100\le \:620\cdot \:100

\mathrm{Refine}

31382+5103x\le \:62000

\mathrm{Subtract\:}31382\mathrm{\:from\:both\:sides}

31382+5103x-31382\le \:62000-31382

\mathrm{Simplify}

5103x\le \:30618

\mathrm{Divide\:both\:sides\:by\:}5103

\frac{5103x}{5103}\le \frac{30618}{5103}

\text{Simplify}

{x\le \:6}

Therefore, Brianna can buy 6 or fewer outfits while staying within her budget

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Answer:

The campsites can be chosen in 5,765,760 different ways.

Step-by-step explanation:

Given that a group of campers is going to occupy 6 campsites at a campground, and there are 16 campsites from which to choose, to determine in how many ways the campsites can be chosen, the following calculation must be performed:

16 x 15 x 14 x 13 x 12 x 11 = X

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Therefore, the campsites can be chosen in 5,765,760 different ways.

8 0
3 years ago
Dr. Gonzalez is considering joining the Garden Club. If he pays a $25 membership fee, he
ziro4ka [17]

Answer:

In the Garden Club the cost will be a fixed fee of $25 and $10 for each rosebush, so if he buys X rosebushes, the total cost will be:

C1(X) = $25 + $10*X

While in the local nursery there is no initial cost, and each rosebush costs $15, so if he buys X rosebushes, the total cost will be:

C2(X) = $15*X

Now, let's find the value of X where C1 and C2 are equal, this is:

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$25 = $15*X - $10*X = $5*X

X = 25/5 = 5

This means that if he buys 5 rosebushes, he will pay the same amount in both places.

If he buys less than 5 rosebushes, he will pay less in the local nursery (as it has a bigger slope, but no initial fee)

If he buys more than 5 rosebushes, he will pay less in the Garden club (because it has a smaller slope)

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4 years ago
The volume of a cylinder is 375 pi m^3. if r= 5 m, find its height.
pishuonlain [190]

Answer:

Step-by-step explanation:

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Adult tickets to Space City amusement park cost x dollars. Children's tickets cost y dollars. The Garcia family bought 3 adult a
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let the number of adult tickets be x and the number of children tickets be y

3x + y = 164...equ(1)

2x + 3y = 174....equ(2)

multiplying equation 1 by 3

9x + 3y = 492

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substituting the value of x into the equation

3(45.428) + y = 164

y = 164 - 3(45.428)

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