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AlladinOne [14]
3 years ago
5

2. What is the value of x? A. 17 B. 39 C. 26 D. 41

Mathematics
1 answer:
creativ13 [48]3 years ago
8 0
41 a squared plus b squared equals c squared so it would be 41 have a nice day
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Answer:

A

Step-by-step explanation:

4 0
3 years ago
Element X decays radioactively with a half life of 11 minutes. If there are 870 grams
exis [7]

Answer:

27.5 minutes

Step-by-step explanation:

Using,

R/R' = 2ᵃ/ᵇ------------------ Equation 1

From the equation,

R = mass of Element X before radioactive decay, R' = mass of element X after radioactive decay, a = Time taken, b = half life.

Given: R = 870 grams, R' = 154 grams, b = 11 minutes.

Substitute these values into equation 1

870/154 = 2ᵃ/¹¹

(870/154)¹¹ = 2ᵃ

Solve for a

2ᵃ = (5.649)¹¹

2ᵃ = 187061.26

Taking the logarithm of both side,

Log2ᵃ = Log(187061.26)

⇒ a = log(187061.26)/log2

a = 8.272/0.301

a = 27.5 minutes

5 0
3 years ago
Find the value of X.
hram777 [196]

Answer:

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Step-by-step explanation:

3 0
3 years ago
What is equivalent to 8-8x
MrRissso [65]
8 - 8x is already in its simplest form.

Without knowing the value of x, you cannot find what is equivalent to 8 - 8x, but you can it if is an equation, such as 8 - 8x = 88 (x would be -10).

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3 0
3 years ago
125 is what % of 400?
mixer [17]
Answer: 3.2

Just divide 400 by 125 because the opposite of multiplication is division.

When you divide you get 3.2
8 0
3 years ago
Read 2 more answers
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