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2 years ago

Does a point and a linehave any dimensions to measure

Mathematics

2 answers:

Alekssandra [29.7K]2 years ago

8 0

the answer is yes :)

poizon [28]2 years ago

6 0

Hello!

A line is one dimensional. This means it has one dimension, it's length. Therefore, you could measure the length of a line.

I hope this helps!

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Translate the sentence into an inequality.

grigory [225]

Answer:

8b + 27 ≤ - 29

Step-by-step explanation:

Sum of a number can be written as x or in this case as b because it is an unknown number.

b is multipled by 8 so 8b

"and 27" indicates an addition so therefore, 8b + 27

"at most -29" This is a little bit tricky but ultimately it means 8b + 27 cannot be more than -29. Therefore, it must be lesser than.

However there is a line underneath that lesser than sign meaning lesser than or equal to. I believe that "at most" indicates equal to.

Other than the lesser than or equal to sign I'm unsure about, this inequality should be correct.

6 0

2 years ago

How do I solve problem 1?

alexira [117]

You do 90-45 bc the whole angel must equal 90

4 0

2 years ago

Read 2 more answers

Use the modle to find 2x137

Lena [83]

the answer is 2• 137= 274

3 0

2 years ago

Read 2 more answers

Find the radius of the circle with equation x²+y²+8x+8y+28=0

galina1969 [7]

<h2>Hello!</h2>

The answer is:

Center: (-4,-4)

Radius: 2 units.

To solve the problem, using the given formula of a circle, we need to find its standard equation form which is equal to:

$(x-h)^{2}+(y-k)^{2}=r^{2}$

Where:

"h" and "k" are the coordinates of the center of the circle and "r" is its radius.

So, we need to complete the square for both variable "x" and "y".

The given equation is:

$x^{2}+y^{2}+8x+8y+28=0$

So, solving we have:

$x^{2}+y^{2}+8x+8y=-28$

$(x^2+8x+(\frac{8}{2})^{2})+(y^2+8y+(\frac{8}{2})^{2})=-28+((\frac{8}{2})^{2})++(\frac{8}{2})^{2})\\\\(x^2+8x+16 )+(y^2+8y+16)=-28+16+16\\\\(x^2+4)+(y^2+4)=4$

$(x^2-(-4))+(y^2-(-4))=4$

Now, we have that:

$h=-4\\k=-4\\r=\sqrt{4}=2$

So,

Center: (-4,-4)

Radius: 2 units.

Have a nice day!

Note: I have attached a picture for better understanding.

3 0

2 years ago

Desribe how to use a tens fact to find the difference for 15-8

Fittoniya [83]

Answer/explanation :

Step-by-step

subtract 15-8 you have 7 then take

10- ur answer is 7

10-7= 3

5 0

2 years ago