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Afina-wow [57]
3 years ago
7

Which property states that if a = b, then b = a?

Mathematics
2 answers:
yawa3891 [41]3 years ago
6 0
Symmetric or communative
Katena32 [7]3 years ago
6 0
Multiplicative identity
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Elanso [62]

Answer:

48

because I know........

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74. A portion of a board has length x feet. The other part has
Novay_Z [31]

Step-by-step explanation:

Given that,

  • Length of the one portion of the board = x feet
  • Length of the another portion = (7x – 9) feet

According to the question,

\longrightarrow Total length = Sum of the length of the two pieces

\longrightarrow Total length = {x + (7x – 9)} feet

\longrightarrow Total length = {x + 7x – 9} feet

\longrightarrow <u>Total length = (8x – 9) feet</u>

Therefore, the total length of the board as a simplified expression in x is (8x – 9) feet.

4 0
3 years ago
4. Determine whether f(x) = 1/3x + 5 and g(x) = 3x - 15 are inverse functions.
Ierofanga [76]

Answer:

YES! we conclude that f(x) = 1/3x + 5 and g(x) = 3x - 15 are inverse functions.

Step-by-step explanation:

Given

Given that the function f(x) and g(x) are inverse functions.

f\left(x\right)\:=\:\frac{1}{3}x\:+\:5

g(x) = 3x - 15

To determine

Let us determine whether f(x) = 1/3x + 5 and g(x) = 3x - 15 are inverse functions.

<u>Determining the inverse function of f(x) </u>

A function g is the inverse function of f if for y = f(x), x = g(y)

y=\frac{1}{3}x+5

Replace x with y

x=\frac{1}{3}y+5

Solve for y

y=3x-15

Therefore,

YES! we conclude that f(x) = 1/3x + 5 and g(x) = 3x - 15 are inverse functions.

4 0
2 years ago
An angle measures 148° more than the measure of its supplementary angle. What is the measure of each angle? AND DONT PLAGERISE!!
Usimov [2.4K]

Answer:

Step-by-step explanation:

Supplementary angles add up to 180°.

“θ is 148° more than its supplement”

Supplement of θ = 180°-θ

θ = (180°-θ) + 148°

2θ = 328°

θ = 164°

Supplement of θ = 180°-164° = 16°

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2 years ago
Select the correct answer.<br>What is the value of x in the figure​
Anastasy [175]

We need the figure to answer that.

4 0
3 years ago
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