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3 years ago

Which Greek mathematician is known as the father of geometry

Mathematics

1 answer:

erastova [34]3 years ago

6 0

Answer:

Euclid was a great mathematician and often called the father of geometry.

Step-by-step explanation:

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Rewrite the expression by using the distributive property and collecting like terms 1/5(5x-15)-2x

inessss [21]

Answer:

-x-3

Step-by-step explanation:

First, you need to distribute the 1/5 to both the term 5x and the term -15, which requires multiplication. This gives you 1x-3. The -2x can then be added on to this equation, which gives you 1x-3-2x. Combining the like terms of 1x and -2x gives you -x. The entire expression is then -x-3.

3 0

3 years ago

13. If r + 9 = 42, does r +9-9=42 +9?<br> Why or why not?

Vladimir79 [104]

Answer:

Step-by-step explanation:

if u subtract negative nine from one side of the equation, in order to keep both sides of the equation equal, you must subtract 9 from the other side. moreover, if you subtract nine from one side and add 9 to the other, there will be a 9+9=18 difference in values of both sides

brainliest pls thanks

3 0

2 years ago

Solve for x.

Firdavs [7]

Answer:

x=5.58

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Center - radius form

Mekhanik [1.2K]

Okay all you have to do is complete the square of the x and y's
so divide the coefficient of x by -2, then square it all and minus the square of the coefficient of x
hence (x-3)^2 - 9
then do the same for y
(y-4)^2 - 16
so (x+3)^2 + (y+4)^2 = 36
the radius is the root of the 36 so 6, and the centre is (-3,-4) because it's whatever would make the (x+3) or (y+4) equal to 0

7 0

3 years ago

Seeking help to solve the problem shown in the image.

Anit [1.1K]

9514 1404 393

Answer:

1340

Step-by-step explanation:

The perimeter of a rectangle of length L and width W is ...

P = 2(L+W)

The perimeter of the rectangle outline of the figure is ...

P = 2(315 +300) = 2·615 = 1230

That outline is the sum of all of the line segments making up the figure except for two lengths of 55 units each. Adding those, we find the perimeter of the figure to be ...

P = 1230 +2(55) = 1230 +110 = 1340 . . . units

_____

<em>Additional comment</em>

It can be convenient to consider the total of horizontal segments and the total of vertical segments. We have shown in the attachment that, except for the 55-unit "indent", the horizontal and vertical lengths are equivalent to those of an ordinary rectangle. Thinking about the problem in this way makes it unnecessary to do the tedious arithmetic necessary to find each segment length. (Here, there is not enough information to do that anyway.)

4 0

3 years ago