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jonny [76]
2 years ago
15

At a local fair, a hamburger cost $2.50, and a drink cost $1.50. Write an expression that represents the cost of x number of ham

burgers and y number of drinks.
Mathematics
2 answers:
TEA [102]2 years ago
8 0

Answer:

2.50x + 1.50y = z

Step-by-step explanation:

z is the cost of the hamburgers and drinks.

x and y represent the number of hamburgers and drinks.

faltersainse [42]2 years ago
3 0

Answer:

y= 2.50

Step-by-step explanation:

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John and Andrew have £3.40 between them. John has £1.20 more than Andrew. John has £u and Andrew £v
Dahasolnce [82]
In the given question, there are several information's of immense importance and they can be used to find the necessary answers. It is already given that John and Andrew have 3.40 pound together. It is also given that John has 1.20 pound more than Andrew. It is also assumed that John has"u" pound and Andrew has "v" pounds.
Then we can write the two equations as
u + v = 3.40
u = v + 1.20
To find the values of u and v, we can replace the u in the first equation with the value of u in the second equation. Then
u + v = 3.40
(v + 1.20) + v = 3.40
2v + 1.20 = 3.40
2v = 3.40 - 1.20
2v = 2.2
v = 2.2/2
  = 1.1
Now we replace the value of v in the first equation to find the value of u.
 u + v = 3.40
u + 1.1 = 3.40
u = 3.40 - 1.1
u = 2.3
6 0
3 years ago
Find the exact circumference of a circle with diameter equal to 8 ft. 8 ft. 16 ft. 64 ft.
maria [59]

ANSWER

8π ft

EXPLANATION

The circumference of a circle is calculated using the formula C=πd.

Where d=8 is the diameter of the circle.

We substitute d=8 into the formula to obtain,

C=8π ft.

Because we are looking for the exact circumference, we leave the answer in terms of π.

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Answer:

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Step-by-step explanation:

g(f(3))= g(-5)

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Answer:

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2 years ago
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slavikrds [6]

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