Answer:
2,123.7 square inches
Step-by-step explanation:
Answer:
8 boys and 10 girls
Step-by-step explanation:
If the ratio is 4:5,
4x2 + 5x2 equal 8+10 =
18.
4:5=8:10
| b+7 | = 10; you add 2 on both sides.
| b+7 | is always positive
b+7 = 10, b = 10-7= 3.
therefore b = 3
Answer:
zero product property of multiplication
Step-by-step explanation:
step 2 is valid, because for the main expression in step 1 to be true, only one of the 2 factors need to be 0, as
0 × something is always 0.
therefore, it is sufficient to find the values of x that renders the expression of one factor to 0.
18 3/8 as a decimal = 18.375