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solmaris [256]
3 years ago
7

A boat traveled at a constant speed for 22 hours, covering a total distance of 618.7 kilometers. To the nearest tenth of a kilom

eter per hour, how fast was it going? kilometers per hour
Mathematics
1 answer:
Pavlova-9 [17]3 years ago
4 0

Answer:

28.1 kilometers/hour

Step-by-step explanation:

618.7 kilometers / 22 hours = 28.1 kilometers/hour

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your welcome :)

5 0
9 months ago
Alex is making puppets for a show. He bought all the string needed for $125. It costs $18 for the remaining materials to make ea
Alexus [3.1K]

Alex bought all the string needed for $125.

It costs $18 for the remaining materials to make each puppet.

So if we closely observe then we see that here $125 is the fixed cost because its not going to change with number of puppets.

And the variable cost is $18.

In this case we can model a Total cost function C(x) for for x number of puppets as below

C(x)=125+18x\\ \\ \text{Here x is the number of puppets}\\ \\ \text{Since in our case the number of puppets is 50 so replace x by 50 we get }\\ \\ C(50)=125+18*50\\ \\ C(50)=125+900\\ \\ C(50)=1025  \ dollar.

The total cost to make 50 puppets=$1025

3 0
2 years ago
Read 2 more answers
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