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Vinvika [58]
2 years ago
14

Helpppppp meee please

Mathematics
2 answers:
a_sh-v [17]2 years ago
7 0

Answer:

a) $14.45 b) 1.45x+1.2y

Step-by-step explanation:

5*1.45+6*1.2=14.45

Volgvan2 years ago
4 0

Answer:

7.25 and 7.20

Step-by-step explanation:

I calculated and got it correct

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What is 409,200,000,000 written in scientific notation
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The answer is here:

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3 years ago
What is the slope of the line passing through the points (3,10)and(1,15)
goldfiish [28.3K]
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5 0
3 years ago
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Maria drove to a business appointment at 50mph in the morning. Her average speed on the return trip in the afternoon was 40 mph.
MakcuM [25]

Answer:

Distance to appointment point = 5 miles

Step-by-step explanation:

Let s be the distance to the appointment point,

We have Maria drove to a business appointment at 50mph in the morning.

Time taken in the morning

               t_m=\frac{s}{50}=0.02s

Her average speed on the return trip in the afternoon was 40 mph.

Time taken in the afternoon

               t_a=\frac{s}{40}=0.025s

Given that the return trip took 1/4hr longer because of traffic.

That is

             t_a-t_m=\frac{1}{4}hr=0.025hr

Substituting

             t_a-t_m=0.025hr\\\\0.025s-0.02s=0.025\\\\s=5miles

Distance to appointment point = 5 miles

7 0
3 years ago
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