How do I solve this? Please show work, thank you.
1 answer:
Answer:
a x sqrt(7) - 49sqrt(x)
Step-by-step explanation:
sqrt(7x) [ sqrt(x) - 7sqrt(7)]
Distribute
sqrt(7x) *sqrt(x) - sqrt(7x)*7sqrt(7)
We know that sqrt(a) sqrt(b)= sqrt(ab)
sqrt(7x^2) - 7sqrt(7^2 *x)
Now lets separate out the perfect squares
sqrt(7) *sqrt(x^2) - 7sqrt(7^2)*sqrt(x)
x sqrt(7) - 7*7sqrt(x)
x sqrt(7) - 49sqrt(x)
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Answer:
n - 4
Step-by-step explanation:
6 - x = 2
8 - x = 4
9 - x = 5
n - x = ?
->
x = 4
n - 4
Answer:
Whole Wheat = 1/6
Buckwheat = 1/8
W = whole wheat flour
B = buckwheat flour
⅔W + ½B = 4
Divide everything by 4
⅔W/4 + ½B/4 = 4/4
2/12W + 1/8B = 4/4
1/6W + ⅛B = 1
Answer:
x = 20
Step-by-step explanation:
x - 8 = 12 Add 8 to both sides
x -8 + 8 = 12 + 8 Add -8 and 8; add 12 and 8
x = 20
4/5 is greater because when you times it by 6 the numerator becomes 24 therefore it is greater
