Answer: 60
Step-by-step explanation:
If the entire blue length is 100 and one of the parts of that is 64, the other part is 36.
So by the geometric mean theorem, letting the length of the dotted altitude be y,
So if y=48, by the Pythagorean theorem,
Answer:
3
Step-by-step explanation:
By order of PEMDAS, perform math within parentheses first.
Continue with PEMDAS
Now, simply divide
<u>Equate mom's percentage to quantity:</u>
40% = 80
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<u>Find 1%</u>
1% = 80 ÷ 40 = 2
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<u>Find 100% (Total):</u>
100% = 2 x 100 = 200
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Answer; There are 200 CDs in the store for sale.
Answer:
n = -15
Step-by-step explanation:
Represent the number by n.
Then 2(n + 6) = n - 3
Performing the indicated multiplication, we get:
2n + 12 = n - 3
Combining like terms, we get n = -15
Answer:
x = 8 or x = 2
Step-by-step explanation:
We know x - 5 = 3 or x - 5 = -3.
<u>Possibility 1:</u>
Step 1: Add 5 to both sides.
<u>Possibility 2:</u>
Step 1: Add 5 to both sides.
Step 2: Check if both solutions apply to original equation.