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Arada [10]
4 years ago
15

An expense should be recorded when A. the bill is paid.

Mathematics
2 answers:
Ratling [72]4 years ago
8 0
An expense should be recorded when the expense is incurred
9966 [12]4 years ago
6 0

Answer should be B.. B. the expense is incurred.

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Need help asap rocky :))
antoniya [11.8K]

The value of ∠EOF is 75°.

Step-by-step explanation:

Let us take O be the center of the circle.

Given,

∠AOB = 45°

∠COD = 60°

To find the ∠EOF (value of x)

Now,

Since AD is the diameter of the circle, ∠AOD = 180°

∠AOB+∠COD+∠BOC = ∠AOD

Or, 45°+60°+∠BOC = 180°

or, ∠BOC  = 180°-(45°+60°)

= 75°

Again,

∠BOC  = ∠EOF as they are vertically opposite angle.

Hence,

∠EOF = 75°

4 0
3 years ago
Read 2 more answers
How to solve this? Is the question correct? ty :)
bezimeni [28]

Answer:

The proposition is true.

Step-by-step explanation:

Now we proceed to demostrate that expression given is true by algebraic means:

1) \frac{x^{-1}+y^{-1}}{x^{-1}}+\frac{x^{-1}-y^{-1} }{y^{-1}} Given

2) \frac{y^{-1}\cdot (x^{-1}+y^{-1})+x^{-1}\cdot (x^{-1}-y^{-1})}{x^{-1}\cdot y^{-1}}   \frac{a}{b} + \frac{c}{d} = \frac{a\cdot d+b\cdot c}{b\cdot d}

3) \frac{x^{-1}\cdot y^{-1}+y^{-2}+x^{-2}-x^{-1}\cdot y^{-1}}{x^{-1}\cdot y^{-1}} Distributive property/a^{b}\cdot a^{c} = a^{b+c}

4) \frac{x^{-2}+y^{-2}}{(x\cdot y)^{-1}} Commutative, associative and modulative properties/Existence of additive inverse/a^{b}\cdot c^{b} = (a\cdot c)^{b}

5) [(x\cdot y)^{-1}]^{-1}\cdot (x^{-2}+y^{-2}) Commutative property/Definition of division

6) (x\cdot y)\cdot (x^{-2}+y^{-2})         (x^{-1})^{-1}

7) x^{-1}\cdot y + x\cdot y^{-1} Distributive property/Associative property/a^{b}\cdot a^{c} = a^{b+c}

8) (x^{-1}\cdot y^{-1})\cdot y^{2} + (x^{-1}\cdot y^{-1})\cdot x^{2}  Modulative property/Existence of additive inverse/a^{b}\cdot a^{c} = a^{b+c}

9) (x^{-1}\cdot y^{-1})\cdot (x^{2}+y^{2}) Distributive property

10) (x\cdot y)^{-1}\cdot (x^{2}+y^{2}) a^{b}\cdot c^{b} = (a\cdot c)^{b}

11) \frac{x^{2}+y^{2}}{x\cdot y} Commutative property/Definition of division/Result

4 0
3 years ago
The numbers 9, 40, and c are a Pythagorean triple. What is the value of c?
KIM [24]
x^2=9^2+40^2\\\\x^2=81+1600\\\\x^2=1681\\\\x=\sqrt{1681}\\\\x=41\\\\Answer:A
7 0
3 years ago
If you know two points on a line, how can you find the rate of change of the variables being graphed?
Leto [7]
Count the difference of the x values between the two points (the run of the slope) and the difference of the y values between the two points (the rise of the slope). That would get you the rate of change, or slope, of the line.


3 0
4 years ago
Solve x^2-12x+36 using the quadratic formula
leonid [27]

Answer:

x=6

Step-by-step explanation:

3 0
3 years ago
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