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Alenkinab [10]
3 years ago
6

Kayla is selling lemonade for $1 and cookies $0.50 outside of her house in order to earn enough money to buy a bike that costs $

249. The number of cookies, C, that she sells is half the number of lemonade, L, that she sells.
Which system of equations matches the situation?

L + 0.50C = 249
L = 0.5C

L + C = 249
0.5L = C

L + 0.50C = 249
0.5L = C

L + C = 249
L = 0.5C
Mathematics
1 answer:
kondor19780726 [428]3 years ago
7 0

Answer:

L + 0.50C = 249

0.5L = C

Step-by-step explanation:

hope this helps :)

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Step-by-step explanation:

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Can someone tell me what x and y would be
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Step-by-step explanation:

20°+120°+I°=180°

I=40°

using sine rule,

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If DEF=GJH, find each missing measure
Bas_tet [7]

Congruent triangles have equal corresponding sides and angles.

  • The measure of the side lengths are: \mathbf{DF = 16m}, \mathbf{JH = 14m} and \mathbf{GJ = 19m}
  • The measure of the angles are: \mathbf{\angle G = 34^o}, \mathbf{\angle J = 41^o} and \mathbf{\angle F = 105^o}

The given parameters are:

\mathbf{\triangle D EF \cong \triangle GJH}

\mathbf{EF = 14m}

\mathbf{D E = 19m}

\mathbf{GH = 16m}

\mathbf{\angle D = 34^o}

\mathbf{\angle H = 105^o}

\mathbf{\triangle D EF \cong \triangle GJH} means that triangles DEF and GHJ are congruent triangles.

So, we have:

\mathbf{DF = GH}

This gives

\mathbf{DF = 16m}

Also, we have:

\mathbf{JH = EF}

This gives

\mathbf{JH = 14m}

Also, we have:

\mathbf{GJ = DE}

This gives

\mathbf{GJ = 19m}

The following angles are also congruent

\mathbf{\angle F = \angle H}

This gives

\mathbf{\angle F = 105^o}

Also, we have:

\mathbf{\angle G = \angle D}

This gives

\mathbf{\angle G = 34^o}

The measure of angle J is then calculated using

\mathbf{\angle J + \angle H + \angle G = 180^o}

This gives

\mathbf{\angle J + 105 + 34= 180^o}

\mathbf{\angle J + 139= 180^o}

Subtract 139 from both sides

\mathbf{\angle J = 41^o}

Read more about congruent triangles at:

brainly.com/question/4364353

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