2 years ago

Which is an equation of a circle with center (2,7) and radius 4?

Mathematics

1 answer:

sukhopar [10]2 years ago

3 0

Answer:

Step-by-step explanation:

see image

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Derrick earned $1472during the 4 weeks he had his summer job.if he earned the same amount each week,how much did he earn each we

valkas [14]

You take $1472 and divide it by 4

$1472 divided by 4 = $368 per week or $52.57 a day
hope this helps!!

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3 years ago

A balloon has a circumference of 11 cm. Use the circumference to approximate the surface area of the balloon to the nearest squa

elixir [45]

Try 38.465cm I'm not good at math but its the best I could do

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3 years ago

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Calculate: f(4) - (g(2) + f(3)) = h(1) + f(1) x g(3) =

galben [10]

Answer:

1. f - 2g

2. im sorry i cant figure it out

Step-by-step explanation:

6 0

2 years ago

Solve the smetaneous equatan graphically x-2y=1 2x-y=2 given the range of x from-3 to 3 choose a suitable scale

DedPeter [7]

Answer:

(2, 0)

Step-by-step explanation:

Given system:

x - 2y = 1
2x - y = 2

In order to solve it graphically, graph both lines and find the point of their intersection.

Graphing easy if you plot the x- and y- intercepts and connect them with a line.

See attached.

Both lines have same x-intercept, which is also the solution: (2, 0)

8 0

2 years ago

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if the line AB with A(-1,5) and B(3,7) is perpendicular to the line CD WITH C(7,11) AND D(X,23). THEN X=?

MissTica

Answer:

x=1

Step-by-step explanation:

slope AB = (7-5) / (3 - -1) = 2 / 4 = 1/2

slope CD = (23-11) / (x-7) = 12 / (x-7)

12 / (x-7) = - 2 ... perpendicular to AB slope 1 = - 1/slope 2

-2 (x-7) = 12

-2x + 14 = 12

-2x = -2

x = 1

5 0

2 years ago