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2 years ago

PLEASE HELP ILL GIVE 20 POINTS

Mathematics

2 answers:

Molodets [167]2 years ago

7 0

Area of smaller triangle: $\dfrac12\cdot4\cdot2=4$

Area of larger triangle: $\dfrac12\cdot6\cdot3=9$

Area of inner rectangle: $6\cdot4=24$

Total area: $2\cdot4+2\cdot9+24=50\text{ cm}^2$

Lyrx [107]2 years ago

7 0

Answer:

Area of smaller triangle: \dfrac12\cdot4\cdot2=4

Area of larger triangle: \dfrac12\cdot6\cdot3=9

Area of inner rectangle: 6\cdot4=24

Total area: 2\cdot4+2\cdot9+24=50\text{ cm}^2

Step-by-step explanation:

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Azmyne decided to spend 6 1/2 hours studying over the weekend. She spent 1 1/4 hours studying on Friday evening and 2 2/3 hours

nata0808 [166]

Answer: $2\ \dfrac{7}{12}\ \text{hours}$

Step-by-step explanation:

Given

Azmyne decided to study a total of $6\ \frac{1}{2}\ hours$

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Hours spent on Friday

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$\Rightarrow \dfrac{13}{2}-\dfrac{5}{4}-\dfrac{8}{3}\\\\\Rightarrow \dfrac{13\times6-5\times3-8\times4}{12}=\dfrac{78-15-32}{12}\\\\\Rightarrow \dfrac{31}{12}=2\ \frac{7}{12}\ \text{hours}$

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