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notsponge [240]
2 years ago
11

A gardener is planning to fill her garden with mulch. She plots it on a grid to plan how much she will need. The garden is in th

e shape of a rectangle with vertices at (3, 9) (5, 9) (3, 3) (5, 3). One bag of mulch covers 5ft2 and costs $5.00. How much will it cost her to cover her garden?
Mathematics
1 answer:
tester [92]2 years ago
8 0
First we need to know the total area. Since this is a rectangle we need two adjacent sides and we can find these from vertex pairing: 

Matching y: (3,9) --> (5,9) = 2 ft
Matching x: (3,9) --> (3,3) = 6 ft

Area = l*w = 2*6 = 12 square ft

# of bags = 12sqft/(5sqft/bag) = 2.4 bags. 

Cost = $5.00 * 2.4 = $12   (notice that it cost $1 to cover 1sqft so we could have skipped a step here.)

NOTE: In the real world she probably can't buy just 0.4 of a bag and would actually have to buy three full bags for $15. 
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Lily wants to buy a smartphone, she has $500 to spend .list three ways she can get a good deal
BaLLatris [955]
1. Check the prices of phones from different stores.

2. Do some research to see what is the average cost of the phone.

3. Check for possible discounts.

Hope this helps :)

3 0
2 years ago
What is the greatest integer value of y for which 5y - 20 < 0?
Anna [14]
5y - 20 < 0...add 20 to both sides
5y < 20...divide both sides by 5
y < 20/5
y < 4 (this states that y is less then 4)

Therefore, the greatest integer that y could be is 3 (because integers cannot be fractions, they have to be whole numbers)
6 0
1 year ago
Read 2 more answers
John is planning to purchase a new car that costs $15,500. On average, a new car loses 11% of its value the moment that it is dr
Levart [38]

15500 times 0.37 is 5735.

$5735

The 11% statement is extra information.

4 0
1 year ago
Read 2 more answers
A pizza parlor offers 4 different pizza toppings. How many different kinds of 2-topping pizzas are available?
Galina-37 [17]
Order does not matter so use "n choose k" formula is used to find number of unique combinations.

c=n!/(k!(n-k)!)  where n is total possible choices and k is number of selections.

c=4!/(2!(4-2)!)

c=4!/(2!2!)

c=24/(2*2)

c=24/4

c=6

So there are 6 different two topping options when there are four different toppings to choose from.
6 0
2 years ago
Read 2 more answers
A cylinder has a radius of 1.6 meters. Its volume is 95 cubic meters. Find it's height to the nearest tenth of a meter.
docker41 [41]
<h2>The height of cylinder is 11.8 meters</h2>

<em><u>Solution: </u></em>

<em><u> The volume of cylinder is given as:</u></em>

V = \pi r^2h

Where,

r is the radius and h is the height of cylinder

From given,

V = 95 cubic meters

r = 1.6 meters

h = ?

<em><u> Substituting the values we get,</u></em>

95 = 3.14 \times 1.6^2 \times h\\\\95 = 8.0384 \times h\\\\h = \frac{95}{8.0384}\\\\h = 11.818 \approx 11.8

Thus height of cylinder is 11.8 meters

5 0
2 years ago
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