2 answers:
1) The ratio of used books to all books is 6:14
2) The ratio of used books to new books is 6:8
Answer: a.) 3 used books : 7 books in all (3:7)
b.) 3 used books : 4 new books (3:4)
Explanation: a.) there are 6 used books and 14 total books. (6:14) simplified that ratio is (3:7)
b.) there are 6 used books and 8 new books. (6:8) simplified that ratio is (3:4)
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Answer:
slope= 3/2
Step-by-step explanation:
y2-y1/x2-x1=slope
0-6/-3-1= -6/-4 or 3/2
Total number of bulbs tested, N = 445
Number of bulbs that lasted more than 500 hrs, x = 316
Point estimate of bulbs that lasted more than 500 hrs = x/N = 316/445 ≈ 0.71 = 0.71*100 = 71%
Answer:
<u>Use Pythagorean:</u>
<h3>#1</h3>
- x² = 13² - 5²
- x² = 144
- x = √144
- x = 12
<h3>#2</h3>
- x² = 7² + 4²
- x² = 65
- x = √65
- Option D
<h3>#3</h3>
- x² = 10² - 6²
- x² = 36
- x = √36
- x = 6
Answer:
answer is 1
Step-by-step explanation:
just did test on edge
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