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3 years ago

11

If you are asked to rotate 270° counterclockwise that's the same as rotating what other angle of rotation and direction?

1 answer:

mr Goodwill [35]3 years ago

4 0

Answer:

90° clockwise

Step-by-step explanation:

90 degrees clockwise

when you rotate counterclockwise 270 degrees, (x,y) maps to (y,-x)

<u>Hope this helps :-)</u>

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Encuentre el radio y el área de círculos cuya circunferencias tienen las siguientes medidas

Vadim26 [7]

Answer:

Los radios de los círculos son $r_{1} \approx 9.995$ , $r_{2} \approx 2.013$ , $r_{3} \approx 7.592$ , respectivamente.

Las áreas de los círculos son $A_{1} \approx 313.845$ , $A_{2} \approx 12.730$ , $A_{3} \approx 181.077$ , respectivamente.

Step-by-step explanation:

La circunferencia ( $s$ ) se calcula mediante la siguiente fórmula:

$s = 2\pi\cdot r$ (1)

Donde $r$ es el radio del círculo.

Una vez hallado el radio, se determina el área de la figura geométrica ( $A$ ) mediante la siguiente fórmula:

$A = \pi\cdot r^{2}$ (2)

Si conocemos que las circunferencias son $s_{1} = 62.8$ , $s_{2} = 12.65$ y $s_{3} = 47.7$ , respectivamente:

1) Radios de los círculos

$r_{1} = \frac{s_{1}}{2\pi}$ , $r_{2} = \frac{s_{2}}{2\pi}$ , $r_{3} = \frac{s_{3}}{2\pi}$

$r_{1} \approx 9.995$ , $r_{2} \approx 2.013$ , $r_{3} \approx 7.592$

2) Áreas de los círculos

$A_{1} = \pi\cdot r_{1}^{2}$ , $A_{2} = \pi\cdot r_{2}^{2}$ , $A_{3} = \pi\cdot r_{3}^{2}$

$A_{1} \approx 313.845$ , $A_{2} \approx 12.730$ , $A_{3} \approx 181.077$

6 0

3 years ago

What is the slope of this graph?<br><br><br> a.4<br><br> b.−4<br><br> c.14<br><br> d.−14

max2010maxim [7]

Answer:

B

Step-by-step explanation:

just look at where the line crosses the coordinate plane

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2 years ago

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Which point is a solution to the system of equations?<br> y = 2x + 2<br> Y = 3x

Kay [80]

Answer:

(2,6)

Step-by-step explanation:

y = 2x + 2

Y = 3x

2x+2=3x

2x-3x+2=0

-x+2=0

-x=-2

x=2

y=3(2)=6

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2 years ago

Find the slope of the line passing through the given points

NNADVOKAT [17]

Answer:

-5/6

Step-by-step explanation:

Slope= y2-y1/x2-x1

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snow_lady [41]

Answer:

The solution is in the attached file

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