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Romashka [77]
3 years ago
7

HELP PLEASEEEE ON NUMBER 4

Mathematics
1 answer:
dem82 [27]3 years ago
6 0

Answer: 280 calories in 3 ounces

Step-by-step explanation:

you can use a ratio to solve

840 calories per 9 ounces

\frac{840}{9}

unknown calories per 3 ounces

\frac{x}{3}

\frac{840}{9} =\frac{x}{3}

cross multiply

2520=9x

280=x

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<h3>Answers:</h3>
  • ST = 23
  • RU = 8
  • SV = 5
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====================================================

Explanation:

Focus on triangles SVT and UVT.

They are congruent triangles due to the fact that SV = VU and VT = VT. From there we can use the LL (leg leg) theorem for right triangles to prove them congruent.

Since the triangles are the same, just mirrored, this means ST = UT = 23.

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Following similar reasoning as the previous section, we can prove triangle RVU = triangle RVS.

Therefore, RS = RU = 8

-----------------------

SV = VU = 5 because RT bisects SU.

Bisect means to cut in half. The two smaller pieces are equal.

-----------------------

SU = SV + VU = 5+5 = 10

Refer to the segment addition postulate.

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