Lets set up a ratio!
17.00USD per 51 pounds and 1 pound per x dollars.
next step. cross multiply for the answer :)
17.00USD per 51 pounds and 1 pound per x dollars.
next step. cross multiply for the answer :)
The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation? StartFraction 1
1 answer:
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Answer:
4 + 4
+
Step-by-step explanation:
Using the rule of exponents
×
⇔
Given
(2 +
) = (2
+
)(2
+
)
Each term in the second factor is multiplied by each term in the first factor, that is
2 (2
+
) +
(2
+
) ← distribute both parenthesis
= 4 +2
+ 2
+
← collect like terms
= 4 + 4
+