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inessss [21]
3 years ago
13

Angelina drove at an average rate of 80kph and then stopped 20 minutes for gas. After the stop, she drove at an average rate of

100kph. Altogether she drove 250 km in a total trip time of 3 hours including the stop. Which equation could be used to solve for the time t in hours that she drove before her stop? (A) 80t+100(8/3−t)=250 (B) 80t=250 (C) 100t=250 (D) 90t=250 (E) 80(8/3−t)+100t=250
Mathematics
1 answer:
Umnica [9.8K]3 years ago
8 0

Answer:

100kph ??

Step-by-step explanation:

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PLEASE HELP IM STUCK!!<br><br> (See attachment)
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Answer:

ΔMCI ≅ ΔAIC by SAS congruence test

Step-by-step explanation:

Given:

In ΔMCI and ΔAIC

        Statement                                          Reason

1) ∠MCI ≅ ∠AIC                                          1) Given

2) segment MC ≅ segment AI                  2) Given

Segment CI is common segment which is both the triangles.

So we can say that.

3) Segment CI ≅ Segment CI                  3) Reflexive Property

By SAS congruence test which states that;

"If two sides and the included angle of one triangle are equal to the corresponding sides and angle of another triangle, the triangles are congruent."

4) ΔMCI ≅ ΔAIC                                          4) By SAS congruence test

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Step-by-step explanation:

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