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SSSSS [86.1K]
3 years ago
12

1. The Senior Class of Great Ridge High School and Ann Arbor High School are planning a trip to Six Flags Theme Park. Great Ridg

e High school is planning to rent and fill 14 vans and 16 busses with 1152 students. Ann Arbor High School is planning to fill 10 vans and 13 buses with 925 students.
Mathematics
1 answer:
ANTONII [103]3 years ago
3 0

Let , capacity of vans and buses is x and y .

Great Ridge High school is planning to rent and fill 14 vans and 16 buses with 1152 students.

14x + 16y = 1152  

7x + 8y = 576     ...... 1)

Ann Arbor High School is planning to fill 10 vans and 13 buses with 925 students.

10x + 13y = 925  ...... 2)

Solving equation 1 and 2 , we get :

x = 8 and y = 65 .

Therefore , capacity of van is 8 and bus is 65 .

Hence , this is the required solution .

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Mason has a collection of .49 stamps, .20 stamps and .3 stamps worth 23.55. He has 56 total .49 and .20 stamps and the number of
Nezavi [6.7K]

Answer: Mason has 40 forty-nine cent stamps, 16 twenty cent stamps and 25 three cent stamps

Step-by-step explanation:

Let x represent the number of 49 cent stamps that Mason has.

Let y represent the number of 20 cent stamps that Mason has.

Let z represent the number of 3 cent stamps that Mason has.

Mason has a collection of 49 cent stamps, 20 cent stamps, and 3 cent stamps worth $23.55. This means that

0.49x + 0.2y + 0.03z = 23.55 - - - - -1

He had 56 total 49 cent and 20 cent stamps. This means that

x + y = 56

x = 56 - y

The number of 3 cent stamps is nine more than the number of 20 cent stamps. This means that

z = y + 9

Substituting x = 56 - y and z = y + 9 into equation 1, it becomes

0.49(56 - y) + 0.2y + 0.03(y + 9) = 23.55

27.44 - 0.49y + 0.2y + 0.03y + 0.27 = 23.55

27.44 + 0.27 - 0.49y + 0.2y + 0.03y = 23.44

27.71 - 0.26y = 23.55

- 0.26y = 23.55 - 27.71

- 0.26y = - 4.16

y = - 4.16/ - 0.26y

y = 16

x = 56 - y = 56 - 16

x = 40

z = y + 9 = 16 + 9

z = 25

7 0
3 years ago
What are the missing blanks?
Ksenya-84 [330]

Answer:

1 - 3 (1 quarter is 25 and a dime is 10, so, 3.)

4 - 10

6 - 15

14 - 33

Step-by-step explanation:

7 0
2 years ago
The Jones family has saved a maximum of $750 for their family vacation to the beach. While planning the trip, they determine tha
stiks02 [169]

Answer:

Step-by-step explanation:

The Jones family has saved a maximum of $750 for their family vacation to the beach. It means that whatever they would do during the vacation, they cannot spend more than $750.

The inequality can be used to determine the number of nights the Jones family could spend at the hotel is

750 ≥ 75 + 125h

This can also be written as

75 + 125h ≤ 750

We would solve the inequality for the value of h.

125h ≤ 750 - 75

125h ≤ 675

h ≤ 675/125

h ≤ 5.4

For any value of h greater than 5.4 hours, the inequality will not be true.

4 0
3 years ago
If the reciprocal of the number $X$ equals $\frac{2}{7}$, what is $5$ divided by $X$?
grigory [225]
U can find the reciprocal of a number by flipping the number.
example : the reciprocal of 1/5 is 5/1....the reciprocal of 2/3 = 3/2.

the reciprocal of x = 2/7.....that means x = 7/2

5 / (7/2) = when dividing fractions, flip what u r dividing by, then  multiply
5 * 2/7 =
10/7 or 1 3/7 <==
5 0
3 years ago
Which statement must be true?<br><br> a<br> b<br> c<br> d
lozanna [386]
ANSWER

\boxed {m \ne0}



EXPLANATION


The given function is

f(x) = mx + b


We need to find the inverse of this function,



Let

y= mx + b


We interchange x an y to obtain,


x = my + b


We solve for y now to obtain,


x - b = my


We divide through by m to get,

\frac{x - b}{m}  = y


Hence the inverse function is ,


{f}^{ - 1} (x) =  \frac{x - b}{m}


For this inverse to exist, the denominator must not be equal to zero,

Thus

m \ne0


The correct answer is A.
8 0
3 years ago
Read 2 more answers
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