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stich3 [128]
4 years ago
12

Which expressions represent the difference of exactly two expressions?

Mathematics
1 answer:
torisob [31]4 years ago
4 0

Answer:

Step-by-step explanation:

The answer is acd

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Briefly describe scientific notation. how is it useful for writing large and small​ numbers? how is it useful for making​ approx
Alenkasestr [34]
Scientific notation, also called pattern or notation in exponential form, is a way of writing numbers that accommodate values too large (100000000000) or small (0.00000000001) to be written in a conventional manner.

 The use of this notation is based on powers of 104
 Example:
 Big numbers:
 100000000000 = 1 * 10 ^ {11}

 Small numbers:
 0.00000000001 = 1 * 10 ^{-11}

 However, in areas such as physics and chemistry, scientific notation is important to make approximations such as:
 mass of a proton
 mass of an electron and others.
4 0
3 years ago
What is an equation of the line that passes through the points (-6, 2)and (−6,6)?
monitta

Answer:

x=-6

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(6-2)/(-6-(-6))

m=4/(-6+6)

m=4/0

undefined

x=-6

4 0
2 years ago
Help!! I have been struggling on this!
LiRa [457]

Answer:

B

as [tex]\cos(\theta)=\srqt{1-\sin^2(\theta)}\[tex]

and since theta is in second quadrant, where cosine is negative,

so -√(1-z²)

6 0
3 years ago
Justin is taking an​ anti-inflammatory drug and the instructions say that the patient must receive 8 mg for each 16 kg of body w
Andrej [43]

Answer:

58.86 mg

Step-by-step explanation:

8 mg = 16 kg

1 kg = 2.2 lb

use substitution

8 mg = 16 (2.2 lb)

8 mg = 35.2 lb

8 mg / 35.2 lb = x mg / 259 lb

2072 = 35.2 x

x = 58.86 mg

8 0
2 years ago
The probability that Ashley wins a race against Madelyn is 25%. What is the probability that Ashley wind exactly three of the ne
aliya0001 [1]

Answer:

45/512

Step-by-step explanation:

5C3(0.25³)(0.75²) = 45/512

0.0879 (3 sf)

5 0
3 years ago
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