3 years ago

3. MODELS On a scale model of a building, 2 inches represents 15 feet. If

Mathematics

1 answer:

Alborosie3 years ago

7 0

Answer:

Step-by-step explanation:

9in(15ft/2in)=67.5ft

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Determine the x-intercept for 3x + 2y = 14. A) (7, 0) B) (0, 7) C) ( 14 3 , 0) D) (0, 14 3 )

Anettt [7]

Answer:

$\large\boxed{C.\ \left(\dfrac{14}{3},\ 0\right)}$

Step-by-step explanation:

$\text{The x-intercept is for y = 0.}\\\\\text{Put y= 0 to the equation}\ 3x + 3y = 14:\\\\3x + 3(0) = 14\\\\3x + 0 = 14\\\\3x = 14\qquad\text{divide both sides by 3}\\\\x =\dfrac{14}{3}$

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3 years ago

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Can someone please help I’m stuck

OLga [1]

Yeah so it goes 6, 22, 28, 68, 24, then 43 if that makes sense

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3 years ago

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MANE is a quadrilateral with vertices M (6,20), A(10,8), N(4,0) and E (0,12).

alexandr402 [8]

To prove that MANE is a parallelogram, you need to show that opposite sides are parallel. Use the slope formula to show that opposite sides have the same slope.

$Slope\ (m)\ of\ \overline{ME} = \dfrac{20-12}{6-0}=\dfrac{8}{6}=\dfrac{4}{3}\\\\\\Slope\ (m)\ of\ \overline{AN} = \dfrac{8-0}{10-4}=\dfrac{8}{6}=\dfrac{4}{3}\\\\\\\overline{ME}\ ||\ \overline{AN}\\\\Slope\ (m)\ of\ \overline{MA} = \dfrac{20-8}{6-10}=\dfrac{12}{-4}=-3\\\\\\Slope\ (m)\ of\ \overline{EN} = \dfrac{12-0}{0-4}=\dfrac{12}{-4}=-3\\\\\\\overline{MA}\ ||\ \overline{EN}$