Answer:
<u>Equation: 87 + 91 + 86 + x = 360</u>
<u>Solution: 264 + x = 360</u>
<u>x = 360 - 264</u>
<u>x = 96</u>
Step-by-step explanation:
1. Let's review the information given to us to answer the question correctly:
First three Kelsea's test grades : 87, 91 and 86
2. What score must she get on her fourth test to receive at least an A- ?
Define variable: x that represents the grade needed by Kelsea on her fourth test to receive at least an A-
Equation: 87 + 91 + 86 + x = 360
Solution: 264 + x = 360
x = 360 - 264
x = 96
<u>Now you can understand if the previous work you did is correct</u>
Answer:
4.55294117. If you want it rounded look below.
Step-by-step explanation:
-Rounded-
Hundredths:4.55
Tenth: 4.6
Thousandth: 4.553
Whole Number: 5
Hope this helps. :D
Answer:
One solution
Step-by-step explanation:
Let us first <u>expand</u> the left side of the equation to rid of the parenthesis:

Now let us <u>isolate</u> the variable to sove for x:

Therefore, x=
. As you can see, there is just one solution.
<em>I hope this helps! Please let me know if you have any further questions :)</em>
Not sure. I’m not good with graphs
Answer:
(13 , 5)
Step-by-step explanation:
(9 + 4 , 2 + 3) i.e. (13 , 5)