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ZanzabumX [31]
3 years ago
12

The temperature at 2 a.m. was -10°C.

Mathematics
1 answer:
horsena [70]3 years ago
8 0

Answer:

-1

Step-by-step explanation:

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Find YQ if MQ = 3x-3 and YQ = 2x-6.
Alina [70]

Answer:

• Assume Q is a mid point of line MY

{ \underline{ \sf{ \:  _{l} M \:  \:  \:  \:  \:  \:  \:  \:  _{l} Q \:  \:  \:  \:  \:  \:  \:  \:  _{l}Y}}}

• Then, MQ = YQ

{ \rm{(3x - 3) = (2x - 6)}} \\  \\ { \rm{3x - 2x =  - 6 + 3}} \\  \\ { \boxed{ \rm{ \: x =  - 3 \: }}}

5 0
2 years ago
A money bag contains ten 5-dollar notes and thirty 10-dollar notes. If a note is randomly selected from the bag, what is the pro
lapo4ka [179]
Not a 5 dollar just means a 10 dollar

probblity=desired outcomes/total possible outcomes


desired=number of 10 dollar notes or 30

total possible=10+30 or 40


the probablity is 30/40 or 3/4 or 75% that you do not select a 5 dollar note
4 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
What is the slope of the line that passes through the points (8, -4)(8,−4) and (6, 2) ?(6,2)?
Art [367]
The slope is 2-2/6-6 which is zero . So the slope is no slope
6 0
2 years ago
Find the value of x.
tino4ka555 [31]

Answer:

107

Step-by-step explanation:

x=180-73

x=107

hope it helps

6 0
3 years ago
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