Kimberley is hosting a party for her friends in an hour. She can make either five hamburgers or nine sandwiches in this time. Wh
1 answer:
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Answer:
x = 3
Explanation:
check:
4(x + 2) = 20
4(3 + 2) = 20
4(5) = 20
20 = 20
Hence proved x = 3
Answer:
Step-by-step explanation:
Given:
(segment addition postulate)
(substitution)
Solve for x
Collect like terms
Divide both sides by -1
Plug in the value of x
Answer:
12 + 8
+ 12 + 4
Step-by-step explanation:
Using the rule of radicals
×
⇔
Given
(4 + 2
)(3
+ 2
)
Each term in the second factor is multiplied by each term in the first factor, that is
4 (3
+ 2
) + 2
(3
+ 2
) ← distribute both parenthesis
= 12 + 8
+ 12 + 4