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Dovator [93]
2 years ago
10

The equations below represent the numbers y of tickets sold after x weeks for two different local music festivals

Mathematics
2 answers:
Anton [14]2 years ago
5 0
Assuming you mean y=10x+150 and y=20x+115, you need to use a simultaneous equation, because you have two equations with two unknowns (x and y)

rearrange so
10x-y=-150
20x-y=-115

multiply the top by -1, so that if we add the two lines together, the y will cancel out
-10x+y=150
20x-y=-115

add the two lines together
10x=35
x=3.5

so the time is 3 and a half weeks

then we can sub in x to find y
20x-y=-115
20(3.5)-y=-115
70-y=-115
-y=-185
y=185

so 185 tickets were sold !
you can sub these values into your original equations to check your answer :)
sleet_krkn [62]2 years ago
5 0

Answer:

185 tickets is the answer. Hope this helped :)

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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The sample space of the second pick is therefore:

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2 years ago
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Step-by-step explanation:

To find the value of sin100.sin120.sin140.sin160, let us find the value of each angle.

The value of sin100=0.9848

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The value of sin140=0.6428

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Substituting the values of sin, we get,

sin100.sin120.sin140.sin160=0.9848*\frac{\sqrt{3} }{2} *0.6428*0.3420

Multiplying the values of sin, we get,

sin100.sin120.sin140.sin160=0.1875

Thus, the value of sin100.sin120.sin140.sin160 is 0.1875

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2 years ago
Select the correct answer.
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Answer:

6x + 4y ≤ 50

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Step-by-step explanation:

$6 is the cost of stuffed animals $4 is the cost of toy trucks and the her maximum budget is $50 it would be 6x+4y is less then or equal to 50 and there is AT LEAST 10 people so the amounts which are x and y would be equal to or greater than 10.

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Answer:

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Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this problem, we have that:

Total outcomes:

100 customers

Desired outcomes:

A clothing vendor estimates that 78 out of every 100 of its online customers do not live within 50 miles of one of its physical stores. So the number of desired outcomes is 78 customers.

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Given that Roger is building a storage shed with wood blocks that are in the shape of cubic prisms.

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Hence correct choice should be "A. Yes. For every block of width, he could build two blocks high."

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