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2 years ago

7

The vertices of a triangle are A(-2,2) B(9,0) and C(1,-4) if the triangle is triangle is a right triangle , which vertex is the

right angle

1 answer:

dangina [55]2 years ago

6 0

Answer:

C *possibly*

Step-by-step explanation:

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Help in 1 a-d please

MArishka [77]

In five seconds he travels 290 feet.
In three seconds he travels 174 feet.
Yes, he is increasing time and distance at a steady rate.
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3 years ago

A pole that is 3.2m tall casts a shadow that is 1.54m long. At the same time, a nearby building casts a shadow that is 50.75m lo

Nastasia [14]

3.2m casts 1.54m shadow.

3.2÷1.54= 160/77 (2.077922077922...)

50.75 × 160/77= 105.454545...

105m to the nearest meter.

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2 years ago

What is the slope of a line perpendicular to the line whose equation is 3x+y=-5

julsineya [31]

Answer:

tdy

Step-by-step explanation:

tyzey

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3 years ago

g For the curve parameterized by x(t) = 3 sin t, y(t) = 5 cost, for −π/4 ≤ t ≤ π/2: (a) Sketch the curve and the direction trace

tamaranim1 [39]

Answer:

a) See the file below, b) $s = \int\limits^{0.5\pi}_{-0.25\pi} {[\left( 3\cdot \cos t\right)^{2}+\left(-5\cdot \sin t \right)^{2}]} \, dx$ , c) $s \approx 9.715$

Step-by-step explanation:

a) Points moves clockwise as t increases. See the curve in the file attached below. The parametric equations describe an ellipse.

b) The arc length formula is:

$s = \int\limits^{0.5\pi}_{-0.25\pi} {[\left( 3\cdot \cos t\right)^{2}+\left(-5\cdot \sin t \right)^{2}]} \, dx$

c) The perimeter of that arc is approximately:

$s \approx (\frac{1}{4} + \frac{1}{8})\cdot 2 \pi\cdot \sqrt{\frac{3^{2}+5^{2}}{2} }$

$s \approx 9.715$

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A newspaper delivery person earns $75 each day plus $0.10 per paper delivered.Which equation shows the daily earnings of a deliv

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N=amount of newspapers delivered. $75+0.10n

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