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3 years ago

Quinn earned $24.50 dog-sitting and $12.70 for recycling cans. Find thetotal amount he earned.

Mathematics

2 answers:

Zepler [3.9K]3 years ago

8 0

Answer: $37.20

Step-by-step explanation:

24.50+12.70=37.20

kozerog [31]3 years ago

6 0

Answer: $37.20

Step-by-step explanation:

Just add those 2 amounts together

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Of the 8 students in the chess club, three will represent the club at an upcoming competition. How many different 3-person teams

xz_007 [3.2K]

I think that this is a combination problem. From the given, the 8 students are taken 3 at a time. This can be solved through using the formula of combination which is C(n,r) = n!/(n-r)!r!. In this case, n is 8 while r is 3. Hence, upon substitution of the values, we have

C(8,3) = 8!/(8-3)!3!
C(8,3) = 56

There are 56 3-person teams that can be formed from the 8 students.

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3 years ago

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mr_godi [17]

Answer:

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3 years ago

$12 for 6 bagels; $9 for 24 bagels.

BabaBlast [244]

Answer:

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Step-by-step explanation:

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3 years ago

The function f(x) = x2 + 10x – 3 written in vertex form is f(x) = (x + 5)2 – 28. What are the coordinates of the vertex?

Alexxandr [17]

Vertex form uses the following formula:

$y = a(x-h)^2 + k$

Identify the values of h and k in your function:

$(x+5)^2 - 28$
$h = -5, k = -28$

The vertex is found with the following point:

$(h,k)$
$\text{Vertex: (-5, -28)}$

The vertex will be found at (-5, -28).

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3 years ago

An electronics store makes a profit of $72 for every standard CD player sold and $90 for every portable CD sold. the managers ta

Alisiya [41]

s -> no: of standard CD players sold

p -> no: of portable CD players sold.

Profit Per Standard CD player=72$

Profit per Portable CD player =90$

Target Amount =360$

In short: The combined sales of Both the CD player's must exceed or atleast become equal to 360$ to acquire the target.

Thus; the inequality can be stated as:

 72(s) + 90(p) ≥360

-> 36(s) + 45(p) ≥180

-> 12(s) +15(p) ≥ 90

 _______________

->| 4(s) + 5(p) ≥ 30 |

Hope it helps...

Hope it helps...Regards;

Hope it helps...Regards;Leukonov/Olegion.

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3 years ago