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Lina20 [59]
3 years ago
12

the west valley senior held a fundraiser in which they sold tshirts and hoodies. There were 85 more hoodies sold than tshirts. E

ach t-shirt sold for 14.50 and each hoodie sold for 19.75. The team raised a total of 6,028.50 for the sale. Write and solve a system of equations to determine the number of tshirts and hoodies sold. ​
Mathematics
1 answer:
mr Goodwill [35]3 years ago
5 0
What do u mean can u explain it better thanks you very much
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How do you show the mathematical equation for one lap around the track is 1/4 mile. jose wants to run 5 miles. how many times mu
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1/4=0.25 miles
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3 years ago
7. In the accompanying diagram of rhombus CDEF, diagonal FD is drawn and the
tatiyna

Answer:

m∠CFD is 70°

Step-by-step explanation:

In the rhombus

  • Diagonals bisect the vertex angles
  • Every two adjacent angles are supplementary (their sum 180°)

Let us solve the question

∵ CDEF is a rhombus

∵ ∠E and ∠F are adjacent angles

→ By using the second property above

∴ ∠E and ∠F are supplementary

∵ The sum of the measures of the supplementary angles is 180°

∴ m∠E + m∠F = 180°

∵ m∠E = 40°

∴ 40° + m∠F = 180°

→ Subtract 40 from both sides

∵ 40 - 40 + m∠F = 180 - 40

∴ m∠F = 140°

∵ FD is a diagonal of the rhombus

→ By using the first property above

∴ FD bisects ∠F

→ That means FD divides ∠F into 2 equal angles

∴ m∠CFD = m∠EFD = \frac{1}{2} m∠F

∴ m∠CFD = \frac{1}{2} (140°)

∴ m∠CFD = 70°

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3 years ago
Solve the differential equation. y ' = 9x - y
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The answer is 54x so yeah
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Please help!! I need to know this by today
Fiesta28 [93]
9.42 I think its 9.42

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If the diameter of a circle is 9 square roots of 2, what is the circumference?
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R = 40.5 m
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3 years ago
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