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Ivanshal [37]
3 years ago
10

You can buy three sandwiches for $4.95 or for sandwiches for $6.42 which is the better buy

Mathematics
2 answers:
V125BC [204]3 years ago
8 0
4.95 / 3 = 1.65 per sandwich

6.42 / 4 = 1.61 per sandwich

so the better buy would be the (four) sandwiches for 6.42
Slav-nsk [51]3 years ago
5 0
4 sandwiches would be the better deal
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Read 2 more answers
Please help FAST I need the answer along with you explaining the steps so I can get it thanks! I’ll give Brainlist also!
kupik [55]

Answer:

The equation of required line is: \mathbf{5x-8y+34=0}

Step-by-step explanation:

We need to write equation in the form Ax+By+C=0 of the line parallel to 5x-8y+12=0 and through the point (-2,3)

First we need to find slope and y-intercept of the required line.

Using equation of line  5x-8y+12=0 to find slope.

Since the given line and required lines are parallel there slope is same.

Writing equation in slope intercept form: y=mx+b where m is slope.

5x-8y+12=0 \\-8y=-5x-12\\\frac{-8y}{-8y}=\frac{-5x}{-8}-\frac{12}{-8}\\y=\frac{5}{8}x+\frac{3}{4}

So, the slope m = 5/8

The slope of required line is m=\frac{5}{8}

Now finding y-intercept using slope m=\frac{5}{8} and point(-2,3)

y=mx+b\\3=\frac{5}{8}(-2)+b\\3=\frac{-5}{4}+b\\b=3+\frac{5}{4}\\b=\frac{3*4+5}{4}\\b=\frac{12+5}{4}\\b=\frac{17}{4}

So, the equation of required line having slope m=\frac{5}{8}  and y-intercept b=\frac{17}{4}

y=mx+b\\y=\frac{5}{8}x+\frac{17}{4}\\y=\frac{5x+17*2}{8}\\y= \frac{5x+34}{8}  \\8y=5x+34\\5x-8y+34=0

So, The equation of required line is: \mathbf{5x-8y+34=0}

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2 years ago
Hi, could someone help me answer this please? Thanks!
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Steve cycled 35 miles in 2 1/2 hours. What is the average speed that Steve traveled? miles per hour
Evgesh-ka [11]

Answer:

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The average speed would be the total distance divided by the total time = 35 miles divided by 2.5 hours is 14 miles per hour

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