Diego and Jada are both trying to write an expression with fewer terms that is equivalent to 7a+5b−3a+4b
Jada thinks 10a+1b is equivalent to the original expression.
Diego thinks 4a+9b is equivalent to the original expression.
Substitute your own values for “a” and “b” and determine if the expressions are equivalent. Show your work in the space provided.

diegos right ignore the bottom

Step-by-step explanation:

Your answer should be written in paragraph/essay format.

Any sources used should be cited at the bottom of your paper.

All answers should show you have learned something from Unit 9.  Material from other units will not be graded for this assignment.

If you are stuck, you can think about the following topics: textile mills, interchangeable parts, the Lowell System, unions, labor reform, steamboats, railroads, coal, the telegraph, and/or new inventions.

Diego's answer 4b+9b is correct:)

Step-by-step explanation:

Our first step is to combine like terms.

Causing you to combine 7a and -3a which gives you 4a because 7-3=4

Next, you would combine 5b and 4b which gives you 9b because 5+4=9

After you have combined like terms you would have your simplified equation 4b+9b causing Diego's answer to be correct!

Hope this helps!

Please tell me if I am wrong, I enjoy learning from my mistakaes:)

Have a great rest of your day:)

45

step-by-step explanation:

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.