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Sveta_85 [38]
3 years ago
12

An advertisement claims that a 5-pound box of detergent will wash 20 loads of laundry. A 5-pound box costs $3.50. A 15-pound box

costs $10.00. About how much will you save per load if you buy the 15-pound box?
Mathematics
2 answers:
Phantasy [73]3 years ago
5 0

Answer:

a

Step-by-step explanation:

shutvik [7]3 years ago
5 0

Answer:

With the 15 pound box you can wash 3x the amount of laundry for 30 cents less .

Step-by-step explanation:

$3.50 x3 will do the same amount of laundry but will cost more.

so your better buy would be the 15 pound box. :]

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Solve for brainlist ( you can take your time )
Vaselesa [24]

Answer:

Slope for...:

7: 1

8: -2

9: 12/0

10: 4/3

11: 2/-7

12: 0/4

13: -1/3

14: 5/9

15: 1/4

Hope this helps!

3 0
2 years ago
Anais bought 212 yards of ribbon. She had 1 feet 6 inches of ribbon left after trimming some curtains. How many inches of ribbon
victus00 [196]

Answer:

Step-by-step explanation:

3 0
2 years ago
Choose which function is represented by the graph
Viefleur [7K]

Given:

The graph of a function.

To find:

The function.

Solution:

From the given graph, it is clear that the graph intersect the x-axis at x=-4, -2, 1. It means -4, -2 and 1 are zeros of the given function graph.

If c is a zero of a function f(x), then (x-c) is a factor of f(x).

Using the above definition, we conclude that (x+4), (x+2) and (x-1) are the factors of given function. So,

f(x)=(x+4)(x+2)(x-1)

f(x)=(x-1)(x+2)(x+4)

Therefore, the correct option is A.

4 0
3 years ago
Can someone please help me in this question
Pie

Step-by-step explanation:

a) Let y = f(x) = 3x - 2x^2

f(-2) = 3(-2) - 2(-2)^2 = p

= -6 - 8

= -14

= p

f(2.5) = 3(2.5) - 2(2.5)^2 = q

= 7.5 - 12.5

= -5

= q

b) graphing

c) From the graph, you should be able to verify the following:

i) f(0.5) = 3(0.5) - 2(0.5)^2 = 1

ii) 0.5 = 3x - 2x^2 or x = 1.3, 0.2

iii) the maximum occurs at

f(0.75) = 1.125

d) the equation for the line of symmetry is x = 0.75

4 0
2 years ago
PLEASE HELP A store is having a sale on chocolate chips and walnuts. For 5 pounds of chocolate chips and 3 pounds of walnuts, th
Stells [14]

Answer:

Chocolate Chips cost $2.25 and Walnuts cost $3.25 per pound each

Step-by-step explanatChocion:

Let x = cost of pounds of chocolate chip cookies and y = cost of pounds of walnuts.

From the question, we get 5x+3y = 21 and 2x+6y = 24. To solve the equation, we use substitution. From the first equation, we get y = (21-5x)/3. We substitute the y into the second equation to get 2x + 6(21-5x)/3 = 24. This turns out to be 2x+(42-10x) = 24. Adding like terms you should get 42-8x = 24. Solving for x, x = $2.25 per pound. Plugging this into the first equation, we get 5(2.25)+3y = 21. Solving for y, we get $3.25 per pound of walnuts. If we plug in the numbers into the 2 equations, we will get the right total.

3 0
3 years ago
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