Mr. Allway’s math class surveyed all the seventh-grade students to find out their favorite sport. The following circle graph sho
ws a breakdown of the survey findings.
Find the number of degrees represented by Basketball.
108°
101°
11°
140°
Find the number of degrees represented by Basketball.
108°
101°
11°
140°
2 answers:
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The topics you should learn are equating denominators and fractions. This is summing up simple fractions.
So we have to make denominators' numbers the same in order to sum up them all (we can sum fractions if the denominators are the same) , and we did it by cross product (that thing on the picture)
Equating by lcm (least common multiple) is the easiest way, because you might see bigger numbers on other questions, and cross product will bring much bigger numbers, so this technic might confuse you.
By the way lcm of 4 and 5 is already 20
Hope it helps!
Answer:
268.08 cm³
Step-by-step explanation:
The order in which gifts are received doesn't matter - if child X gets toy 1 then toy 2, it's the same as giving child X toy 2 then toy 1 - so we are counting combinations.
The eldest child receives 3 of the 7 gifts, so they have
possible choices of gifts.
The next child receives 2 of the remaining 4 gifts, so they have
choices.
The last child receives the remaining 2 gifts, and there is only
way to select the gifts for them.
By the multiplication using, the total number of ways of distributing 7 gifts among 3 children in the prescribed way is 35 • 6 • 1 = 210.