The reserve capacities (in hours) of 18 randomly selected automotive batteries are listed. Use a 99% level of confidence. (Adapt
1 answer:
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<h3>Given ↓</h3>
- Two points that a line goes through
- The line's slope
<h3>Calculations ↓</h3>
When we have two points that a line passes through and asked to determine the slope of the line, the slope formula is going to come in handy.
This is the formula :
y2 and y1 are y-coordinates, and x2 and x1 are x coordinates
Plug in the values :
Which simplifies to , or 1
1 (Option D.)
hope helpful ~
Answer:
28 white strands , 20 blue strands and 32 red strands are needed to make a pair of pom-poms
Step-by-step explanation:
Given :A pom-pom manufacturer makes each of its pom-poms with 35% white strands (w), 25% blue strands (b), and 40% red strands (r).
To Find : If each pom-pom has a total of 80 strands, how many of strands of each color are needed to make a pair of pom-poms?
Solution:
Total Strands = 80
White Strands = 35%
No. of white strands =
Blue Strands = 25%
No. of blue strands =
Red Strands = 40%
No. of Red strands =
Hence 28 white strands , 20 blue strands and 32 red strands are needed to make a pair of pom-poms