Answer:
t =5
Step-by-step explanation:
-7(2-t)=21
-14+7t=21
7t=35
t=5
Answer:
mean= 90
Step-by-step explanation:
The mean is the terms added together, then divided by the number of terms (in this case, 8):
Done.
The answer is 12 and 6 because twice the number which is 6 is 12
Answer:
good
Step-by-step explanation:
The answer choice which correctly models the range of pH values of bleach is; 11< x < 14.
<h3>What is.the range of values for the pH of bleach?</h3>
According to the task content; Bleach is said to have a pH of less than 14 and greater than 11.
Hence; pH < 14. and pH > 11.
Therefore, when written as a compound inequality; we have;
11< pH < 14.
Read more on compound inequality;
brainly.com/question/1485854
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