Answer:
49x^2
Step-by-step explanation:
(7x)^2 = 7^2 * x^2 = 49x^2
unless you meant 7x^2?
Answer:
4(x+3) = 20
Distrbute
4x+12 = 20
-12 from both sides
4x = 8
divide both sides by 4
x = 2
Step-by-step explanation:
Answer:
The number of places correctly identified is 110 places
Step-by-step explanation:
The number of places he correctly identified will be;
11 + 4 + 86 + 9 = 110 places
By using compatible numbers, we refer to the fact that she use an estimate by making sure each of the numbers are closer to the nearest 10th or 5
so 4 will be 5
11 will be 10
86 will be 85
9 will be 10
Adding all of these together, we have
5 + 10 + 85 + 10 = 110
1 apple is $.30. $.30 times 7 = $2.10.
Answer:
-9 3/4
Step-by-step explanation:
The last step is to simplify the fraction into a mixed one.