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3 years ago

Theresa is comparing the graphs of y=2x and y=5x. Which statement is true?

Mathematics

1 answer:

abruzzese [7]3 years ago

7 0

Answer:

Both graphs have a “y-intercept” at (0,0), so i believe the answer would be they don’t have y intercepts

Step-by-step explanation:

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The number of cubic units in the volume of a sphere is equal to the number of square units in the surface area of the sphere. Wh

viktelen [127]

Answer:

Radius of sphere is 3 units.

Step-by-step explanation:

Volume of sphere is given by $4/3 \pi r^3$

surface area of sphere is given by $4 \pi r^2$

where r is the radius of the sphere.

Given that

The number of cubic units in the volume of a sphere is equal to the number of square units in the surface area of the sphere.

we equate formula of Volume of sphere and surface area of sphere

assuming r as the radius.

thus,

$4/3 \pi r^3 = 4 \pi r^2\\\\4/3 \pi r^3/ 4 \pi r^2 = 1\\=>r/3 = 1\\=> r = 3$

Thus, radius of sphere is 3 units.

5 0

3 years ago

I need help thank you

Andreyy89

Answer: A

Step-by-step explanation:

For this problem, we need to understand how translations work.

As you can see, the triangles only slide to the right side, along the x axis. Therefore, we can eliminate B and C.

Now, we can see that the triangle has shifted by +8 units. Therefore, A is the correct answer.

7 0

3 years ago

From 1965 to 1996 Canadian Gary Duschi made the world's longest gum wrapper chain. It was 18,721 feet long. About how many miles

jok3333 [9.3K]

It would be about 3.5 miles long so you chose 3 miles or 4 miles i would go with (4 miles)

6 0

3 years ago

Which expression has the same value of x³ ?

kumpel [21]

The answer is C I am so sure

5 0

3 years ago

THIS IS THE FOURTH TIME I'VE ASKED PLEASE ANSWER<br> √(10 + 4 √(6))<br> not decimal form

nalin [4]

Answer:

$\huge\boxed{\sqrt{10+4\sqrt6}=\sqrt6+2}$

Step-by-step explanation:

$\sqrt{10+4\sqrt6}=\sqrt{6+4+(2)(2)(\sqrt6)}=\sqrt{\underbrace{(\sqrt6)^2}_{=6}+(2)(2)(\sqrt6)+\underbrace{2^2}_{=4}}\\\\\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\=\sqrt{(\sqrt6+2)^2}\\\\\text{use}\ \sqrt{a^2}=|a|\\\\=|\sqrt6+2|=\sqrt6+2$

5 0

3 years ago