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garri49 [273]
2 years ago
6

Find the area of a circle with the given equation. (x-7)2+(y + 9)2 =137

Mathematics
1 answer:
Korolek [52]2 years ago
7 0

Answer:  137π

The usual formula for a circle centered at (a,b), with radius r,

(x - a)² + (y - b)² = r²

The area of the circle is πr², so 137π

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(b) The train is 61 cm long and travels at a speed of 18 cm/s.
xz_007 [3.2K]

Answer:

It goes 18 cm every second:

18 x 4 = 72 cm

The bridge is 72 cm long.

Hope this helps!

3 0
3 years ago
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Write an equation in slope-intercept form? (12,5); y=2/3x-1
Marina86 [1]

Answer:

y-5=2/3x(12-x) would be point form

3 0
3 years ago
In which quadrant of the coordinate plane is the point (−4,1) located
Evgesh-ka [11]

Answer:

Quadrant II

Step-by-step explanation:

Below will be a picture provided to show you which quadrants are in a coordinate grid.

To graph (-4, 1) we will start at the origin, go 4 units to the left and 1 unit up.

As you can see in the image, it will be plotted in quadrant 2.

Best of Luck!

8 0
3 years ago
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What is 5.6 × 10^−3 yd/year in feet per day?  
Soloha48 [4]
5.6x10^-3 yd/year in feet per day.

There are 3 feet in a yard

(5.6x10^-3)x3=1.68x10^-2 feet/year
Let's take there to be 365 days in the year (Fun fact: The actual duration of our year is <span>365 days 5 hours, 48 minutes 46 seconds)

</span>\frac{1.68*10^{-2}}{365} = 4.6*10^{-5}
<span>
Therefore the correct answer is D.</span>
8 0
3 years ago
Can you help me please ​
Darya [45]

Answer:

437.3 ft

Step-by-step explanation:

By sine rule:

\frac{x}{ \sin(90 - 29) \degree}  =  \frac{500}{ \sin \: 90 \degree}  \\  \\  \frac{x}{ \sin 61 \degree}  =  \frac{500}{1}  \\  \\ x = 500\sin 61 \degree \\  \\ x = 500 \times 0.8746197071 \\  \\ x = 437.309854 \\  \\ x = 437.3 \: ft

7 0
2 years ago
Read 2 more answers
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