42 less than x is -50 would be written as x - 42 = -50
Answer: The perimeter of the rectangle is 28 centimeters.
Step-by-step explanation: I hope this helps-
Answer:
<h2>f( - 1) = - 4</h2>
Step-by-step explanation:
f(x) = 3x - 1
To find f(-1) substitute the value of x that's
- 1 into f(x). That's for every x in f(x) replace it with - 1 and solve
That's
f( - 1) = 3(-1) - 1
= - 3 - 1
We have the final answer as
<h3>f(-1) = - 4</h3>
Hope this helps you
The answer the this problem can be either 6/15 or 2/5
The girls collected 8.5 pounds more than the boys in class 4
<h3>Complete question</h3>
Five classes collected money for a charity of their choice. The amounts of money collected by the boys and girls of each are shown in the chart below.
In Class 4, how much more money did the girls collect than the boys?
<h3>How to determine the difference in amounts?</h3>
From the attached chart, we have the following amount in class 4:
Girls = 12 pounds
Boys = 3.5 pounds
The difference is calculated as:
Difference = Girls - Boys
So, we have:
Difference = 12 pounds - 3.5 pounds
Evaluate
Difference = 8.5 pounds
Hence, the girls collected 8.5 pounds more than the boys in class 4
Read more about charts at:
brainly.com/question/25583717
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