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NISA [10]
3 years ago
13

What is the rate of change from 1 to 3

Mathematics
1 answer:
lana [24]3 years ago
3 0

The rate of change is    (amount of the change) / (time it took to change) .

Amount of the change = (3 - 1) = 2 .

Rate of change = (2) / (time it took to change from  1  to  3) .

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Red copper costs $0.90 for 7.6m and yellow copper costs $1.12 5.2m. Estimate how much each amount of copper costs.
ICE Princess25 [194]

Answer: Red copper = $0.12 per meter

Yellow copper = $0.22 per meter

Step-by-step explanation:

Since Red copper costs $0.90 for 7.6m, the cost of 1m of red copper will be:

= $0.90/7.6

= $0.12

Since yellow copper costs $1.12 5.2m, the cost of 1m of yellow copper will be:

= $1.12 / 5.2

= $0.22 per meter

5 0
3 years ago
Which is the best approximate solution of the system of linear equations y= 1.5x - 1 and y = 1
yan [13]

Answer:

4/3

Step-by-step explanation:

We can immediately eliminate y by setting y = 1 equal to y = 1.5x - 1:

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6 0
3 years ago
for his phone service carlos pays a monthly fee of $19 and he pays an additional $0.07 per minute of use the lease has been char
Lostsunrise [7]

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4 0
3 years ago
If I bought 2 1/4 pounds of hamburger, and the hamburger costed 4.48 dollars per pound, how much would it all cost? (I need answ
sammy [17]

Answer: $10.08

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Add $8.96 and $1.12 is $10.08

5 0
3 years ago
Combine the like terms to create an equivalent expression 2r+1+(-4r)+7
tekilochka [14]

Answer:

2r+1+(-4r)+7

2r+8-4r

-2r+8<--- answer

Step-by-step explanation:


8 0
3 years ago
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