is the number of kilometers Garret has already biked.
km is the number of kilometers Garret left to ride.
15 POINTS
Garret is partway through a 20-minute bike ride. It takes 4 minutes for him to...
Mathematics, 11.02.2020 20:15 mem8163
15 POINTS
Garret is partway through a 20-minute bike ride. It takes 4 minutes for him to go a kilometer. Suppose the variable (k) is the number of kilometers Garret has already biked.
The expression 4(5-k) describes the number of minutes Garret has left in his ride.
Match each amount in the situation with the expression that represents it.
P. S. on the website the answers are movable so you just mix them around to which one is correct
Answers: 3
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Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality
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