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den301095 [7]
3 years ago
13

Can you answer and explain please

Mathematics
1 answer:
nalin [4]3 years ago
8 0
Answer what exactly?
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2 years ago
Sara made an error in solve the one-step equation below.5x + 9 = 29-9 -9- 4x = 29/4. /4x = -7.25What is the error that Sara made
MAXImum [283]
5x+9=29

To solve this one-step equation you:

1. Substract 9 in both sides of the equation:

In this step is the mistake as Sara gets as result -4x=29 and the corret result of substract 9 in both sides of the equation is 5x=20.

2. Divide both sides of the equation into 5:

Then, the answer that Sara should found for the equation is x=4

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1 year ago
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d1i1m1o1n [39]

Answer:

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Step-by-step explanation:

4 0
2 years ago
A bus can carry a maximum of 60 passengers. Each row accommodates the same number of passengers. If two rows are added then each
kati45 [8]

Answer:

10 rows with 6 passengers per row

Step-by-step explanation:

Let x be the number of rows and y the number of passengers per row.

Then we can interpret the story as the following two equations:

xy=60

(x+2)(y-1)=60

Solving these two equations:

y=60/x

(x+2)(60/x-1)=60     (substitute y)

60 - x + 120/x - 2 = 60 (multiply by -x)

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and indeed 10 * 6 = 60 and also 12 * 5 = 60

7 0
3 years ago
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