Tommy saw 25 trains on each of the last 5 days of school. what is the unit rate

Mathematics

2 answers:

zhannawk [14.2K]3 years ago

8 0

Answer:

the unit rate would be once per day he saw 25 trains and each day he adds 25 more trains and on the 5th day he saw 125 trains

Step-by-step explanation:

Ksivusya [100]3 years ago

7 0

Answer:

25 per day

Step-by-step explanation:

it says that everyday he saw 25 so if he saw 25 everyday, then by the 5th day, he had seen a total of 125 trains because 25 per day times 5 days =125 trains in 5 days

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If AD and BD are bisectors of CAB and CBA respectively. Find the sum of angles x and y.

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The picture in the attached figure

step 1
we know that
It is given that AD and BD are bisectors of ∠CAB and ∠CBA respectively.
Therefore,
x = ∠CAB/2 -----> equation 1
y = ∠CBA/2 -----> equation 2

step 2
In triangle ABC,
∠CAB + ∠CBA + ∠ACB = 180° ----> [The sum of all three angles of a triangle is 180°]
∠CAB + ∠CBA + 110° = 180°
∠CAB + ∠CBA = 180° - 110°
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substitute equation 1 and equation 2 in equation 3
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hence

the answer is
x+y =35°
⇒ x + y = 35° ...[From equation (1) and (2)]