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Montano1993 [528]
3 years ago
10

a soccer league has a ratio of 11:3 of players to coaches. if there are 165 players in the league. how many coaches are there?​

Mathematics
2 answers:
Sindrei [870]3 years ago
6 0

Answer:

45 coaches

Step-by-step explanation:

11:3 = 165:45

Oksana_A [137]3 years ago
6 0

Answer:45

Step-by-step explanation:

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PLEASE HELP FOR BRAINLIEST!!
wel

Answer: \bold{y=\dfrac{24}{x}} ; indirect variation ; x = 2.4

<u>Step-by-step explanation:</u>

direct variation is when: \dfrac{y}{x}=k   ; where k is the constant rate

indirect variation is when: xy = k  ; where k is the constant rate

In the table provide: x * y = 24 for each coordinate provided, so this is indirect variation, with equation: y = \dfrac{24}{x}

since k = 24, then input y = 10 and k = 24 into the equation above:

10 = \dfrac{24}{x}

10x = 24

x = \dfrac{24}{10}

x = 2.4


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. Three types of shirts sold at a store cost $9.00, $11.00, and $12.50. One day, the store sells a total of 23 shirts and makes
lbvjy [14]

Answer:

X + 3y = 23

9x + 36y = 243

11 shirts sold at $9.0 per shirt, 4 shirts sold at $11 per shirt and 8 shirts sold at $12.5 per shirt

Step-by-step explanation:

-----Since we are told to assume that the number of shirts sold for $9.00 each is x, that of $11.00 is y and also that of $12.50 is z.

9x + 11y + 12.5z = 243

9x + 11y + 12.5(2y) = 243

9x + 36y = 243_______ equation 1

----- The statement also read that One day, the store sells a total of 23 shirts and makes $243 on the sales. TWICE AS MANY SHIRTS WERE SOLD FOR $12.50 THAN WERE SOLD FOR $11.00

Z = 2y

x + y + z = 23

X + y + 2y = 23

X + 3y = 23_____ equation 2

Now multiply the above by 9 to have this equation's "x" sharing the same coefficient with that of equation 1

9x + 27 = 207 will be the new one___equation 3

-----Subtract equation 3 from 1 and we have

9x + 36y = 243____ equation 1

9x + 27y = 207____ equation 3

9y = 36

Y = 4

-----Substitute y = 4 in equation 2

X + 3y = 23

X + 4(3) = 23

X + 12 = 23

X = 23 - 12

X = 11

-----Remember that x + y + z = 23

11 + 4 + z = 23

15 + z = 23

Z = 23 - 15

Z = 8.

So therefore, x =11 shirts, y = 4 shirts and z = 8 shirts

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A deli owner samples 100 customers on two separate days to see what sandwiches they bought. The data shows the results of the tw
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