There are 53 students on the school basketball team. the number of 8th graders is 15 fewer than 3 times the number of 7th grader
s. how many 7th graders are there?
1 answer:
Answer:
17 7th graders
Step-by-step explanation:
grd 8 is x, grd 7 is y
x+y=53
x=3y-15
use substitution: (3y-15)+y=53
4y-15=53
4y=68
y=17
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Answer:
<em>Angle x is congruent with the interior angle opposite side 8 (alternate interior angles)</em>
<u>Use tangent:</u>
- tan x = 8/15
- x = arctan (8/15)
- x = 28.1° (rounded)
Answer:
-2 4x square is the answer
8×9÷6+2-8.53²+⅖
= -58.3609
(54/100)*x = 81 => x = 8100/54=> x = 150;
