Two lines that do not intersect are skew. A. always/ B. sometimes/ C. never
2 answers:
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Answer: 220
<u>Step-by-step explanation:</u>
Children (x): $2
Teens (y): $3,
Adults: (z): $5
Quantity: x + y + z = 570 ⇒ x + + z = 570 ⇒ 1.75x + z = 570
Cost: 2x + 3y + 5z = 1950 ⇒ 2x + 3 + 5z = 1950 ⇒ 2x + 2.25x + 5z = 1950 ⇒ 4.25x + 5z = 1950
Qty: 1.75x + z = 570 → 5(1.75x + z = 570) → 8.75x + 5z = 2850
Cost: 4.25x + 5z = 1950 → -1(4.25x + 5z = 1950 → <u> -4.25x - 5z</u> = <u>-1950 </u>
4.50x = 900
x = 200
Teens (y):
y =
=
= 150
Quantity: x + y + z = 570
200 + 150 + z = 570
350 + z = 570
z = 220
Answer:
37.7; B, 36 pi; C
Step-by-step explanation:
Hello!
<u>The formula for finding circumference of a circle is 2πr:</u>
In that case, we can just substitute 6 meters for our radius.
6 × 2π = 12π
12 × 3.14 (about π) = 37.68
That's about 37.7 (when rounded.)
Thusly, the closest option is .
<u>The formula for finding the area of a circle is πr²:</u>
In that case, we can just substitute 6 meters for our radius. (again.)
6² = 36
36 × π = 36π
Therefore, is our answer.
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