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rjkz [21]
3 years ago
12

A grade 7 class is going on a field trip to the Science Centre. The cost of the bus is $250. It costs $10 per student for admiss

ion, and an additional $7 per student to attend a session on Heat Transfer. Write an expression to represent the total cost and determine how much it will cost if 60 students attend.
Mathematics
2 answers:
fgiga [73]3 years ago
8 0

Answer:

1270

Step-by-step explanation:

1270

tamaranim1 [39]3 years ago
5 0
$250 is the independent value, so we start the equation with $250, and since there are 60 students and the $10 and $7 costs are per student, you multiply the values, giving you a final equation of:
250+10(60)+7(60)= $1,270
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Rewrite the expression 7x^2 + 7x - 42 as THREE factors where one of the factors is an integer value.
kondaur [170]
<h3>Answer:  7(x+3)(x-2)</h3>

========================================

Explanation:

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Now focus on factoring x^2+x-6

We need to find two numbers that multiply to -6 and add to 1. Those values are 3 and -2. That means x^2+x-6 factors to (x+3)(x-2).

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3 years ago
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Korolek [52]

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Step-by-step explanation:

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2 over x times 4z over 9
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