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N76 [4]
3 years ago
15

100 POINTS PLUS BRAINLIEST!!!! QUESTION ATTACHED

Mathematics
2 answers:
Oduvanchick [21]3 years ago
6 0

Answer:

D

Step-by-step explanation:

You have to have exactly the same thing underneath the radical. So for example in choice A you have sqrt(2) and sqrt(3) underneath the radical. They are not the same. Choice A is not the answer.

Choice B has the same problem sqrt(5) is not the same thing as sqrt(3) and choice B is not the answer.

Choice C has sqrt(5) and sqrt(6) as your choice. They are not the same. C is not correct.

D is the answer. Both choices have sqrt(7) as the radicals. They are both 7. They are the same.


stealth61 [152]3 years ago
5 0

Answer:

3 sqrt(7) and 11 sqrt(7)

Step-by-step explanation:

Like radicals have the same number inside the square root

3 sqrt(7) and 11 sqrt(7) are like radicals

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Eight times the reciprocal of a number equals 4 times the reciprocal of 8. find the number
Burka [1]
8*(1/x) = 4*(1/8)
8/x = 4/8
64 = 4x
x = 16
4 0
3 years ago
a fence is to be built to enclose a rectangular area of 240 sq ft. the fence along three sides is to be made of material that co
bixtya [17]

Answer:14400

Step-by-step explanation:

8 0
3 years ago
What is the mathematical relationship between the atomic radius (r) and the lattice parameter (a0) in the BCC structure? a. b. c
ryzh [129]

Answer: Lattice parameter, a = (4R)/(√3)

Step-by-step explanation:

The typical arrangement of atoms in a unit cell of BCC is shown in the first attachment.

The second attachment shows how to obtain the value of the diagonal of the base of the unit cell.

If the diagonal of the base of the unit cell = x

(a^2) + (a^2) = (x^2)

x = a(√2)

Then, diagonal across the unit cell (a cube) makes a right angled triangle with one side of the unit cell & the diagonal on the base of the unit cell.

Let the diagonal across the cube be y

Pythagoras theorem,

(a^2) + ((a(√2))^2) = (y^2)

(a^2) + 2(a^2) = (y^2) = 3(a^2)

y = a√3

But the diagonal through the cube = 4R (evident from the image in the first attachment)

y = 4R = a√3

a = (4R)/(√3)

QED!!!

8 0
3 years ago
Read 2 more answers
Right answer gets brainlist
Vladimir [108]

105 i think nvm not corrupted picture

4 0
3 years ago
What is the value of the expression given below? (8-3i)-(8-3i)(8+8i)
enyata [817]

Answer:

-76-43i

Step-by-step explanation:

First expand the multiplied terms

8-3i-(64+64i-24i+24)

8-3i-(64+40i+24)

Simplify

8-3i-64-40i-24

-76-43i

6 0
3 years ago
Read 2 more answers
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