This is x axis symmetry
<span><span>(<span>x,<span>−y</span></span>)</span><span>x,<span>-y</span></span></span><span> exists on the </span><span>graph
</span>X Intercept y=0
16x^2+4y^2=64
16x^2=64
X=2
Y intercept x=0
16x^2+4y^2=64
4y^2=64
Y=4
(2,4)
Answer:
Step-by-step explanation:agacat
Answer:
B) 378 students could be expected to attend the game.
Step-by-step explanation:
Out of 40 students, 45% agreed,
45% of 40
= 45/100 * 40
= 18 students,
18 students out of 40 agreed.
So, Out of 840 students 18/40 * 840 students would be expected to agree. We get :- 378
in a marathon race (42.195 km), the winner’s time is 2 hours, 13 minutes, and 9 seconds, while the second-place time is 2 hours, 26 minutes, and 6 seconds . The distance is 2.664 km.
D = distance of marathon = 42.195 km = 42195 m
tw = time taken by winner = 2 h 17 min = 2 (60) + 17 = 137 min = 137 (60) = 8220 sec
Vw = speed of winner
speed of winner is given as
Vw = D /tw = 42195/8220
ts = time taken by second place = 2 h 26 min 14 sec = 2 (60)(60) + (26)(60) + 14 = 8774 s
Vs = speed of second place
speed of second place is given as
Vs = D /ts = 42195/8774
distance of the second place holder from the finish line is given as
D' = Vs (ts - tw)
D' = (42195/8774 )(8774 - 8220)
D' = 2664.24 m
D'= 2.664 km
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Subtract 7 from both sides
12 - 7 < n
Simplify 12 - 7 to 5
5 < n
Switch sides
<u>n > 5</u>
