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3 years ago

Which value for x makes this open sentence true? 5 + 5 ● x = x² + 3²

Mathematics

1 answer:

Angelina_Jolie [31]3 years ago

5 0

The answer your looking for here is 1

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The charge to ship a package from one town to another, C, is given below as a function of the weight of the object, w, in pounds

svetlana [45]

D) 8.7lbs

Subtract $2.50 from the total cost, because that's a fixed number, then do more math and boom, just like magic, it's solved.

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3 years ago

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Give the equation of the circle centered at the origin and passing through the point(0,10)

beks73 [17]

Answer:

$x^{2} + y^{2} = 100$

Step-by-step explanation:

The equation of a circle has the following format:

$(x - x_{0})^{2} + (y - y_{0})^{2} = r^{2}$

In which r is the radius(half the diameter) and the centre is the point $(x_{0}, y_{0})$

Centered at the origin

This means that $x_{0} = 0, y_{0} = 0$

Passing through the point(0,10)

The radius is the distance of any point in which the circle passes to the centre.

Using the formula for the distance between two points.

$r = D = \sqrt{(0 - 0)^{2} + (10 - 0)^{2}} = 10$

$x^{2} + y^{2} = 10^{2}$

$x^{2} + y^{2} = 100$

3 0

3 years ago

1 over 4 minus 1 over 8

fgiga [73]

I hope this helps you

1^4-1^8

1-1

0

8 0

3 years ago

Can someone please give me the correct answer.

dalvyx [7]

Answer:

x=55

Step-by-step explanation:

All the sides of a triangle add up to 180

100+25=125

180-125=55

X=55 Hope this helps

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3 years ago

A ship sails 400km in 18hours.how many days will it take to cover 1600km at the same rate?

Nuetrik [128]

Answer:

72 hours

Step-by-step explanation:

Rate =Distance / Time

Rate=400/18=22.222

Time=Distance/ Rate

Time= (1600 x 18)/400 = 72hours

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4 years ago

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