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joja [24]
4 years ago
6

5x+3 which expression shows the first step in dividing by x

Mathematics
2 answers:
SVEN [57.7K]4 years ago
3 0
What are the answer choices
raketka [301]4 years ago
3 0
5 plus 3 is the answer for that because you don't know what x is
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Please help!!!!!!!!!!!!!!!!
dedylja [7]

Answer:

b is the answer

Step-by-step explanation:

4 0
3 years ago
What is meant if we say “this equation is an identity”?
scoray [572]



Identity

An identity is an equation that is true for all values of the variables. For example:

(x+y)^2=x^2+2xy+y^2
The above equation is true for all possible values of x and y, so it is called an identity.

Strictly speaking we should use the "three bar" sign to show it is an identity as shown below. But it is very common to use the equal sign.


4 0
4 years ago
Question in image, it asks to show your work
maxonik [38]

<u>Answer:</u>

• f(g(x)) =  \sqrt{x^{2} + 1}  + 8

• g(f(x)) = 16\sqrt{x} + x + 65

<u>Step-by-step explanation:</u>

• f(g(x)) = f(x² + 1)

         = \sqrt{x^{2} + 1}  + 8

• g(f(x)) = g(\sqrt{x + 8} )

            = (\sqrt{x }  + 8)^{2} + 1

            =  x + 16\sqrt{x} + 64 + 1

            = 16\sqrt{x} + x + 65

8 0
3 years ago
The monthly cost (in dollars) of water use is a linear function of the amount of water used (in hundreds of cubic feet, HCF). Th
ziro4ka [17]

Answer:

67.49

Step-by-step explanation:

Let the number of HCF be x.

Let the cost be y.

You are given 2 points of a line: (15, 32.84) and (43, 79.04).

Now we find the equation of the line that passes through those points.

y - y1 = m(x - x1)

y - 32.84 = [(79.04 - 32.84)/(43 - 15)](x - 15)

y - 32.84 = (46.2/28)(x - 15)

y - 32.84 = 1.65(x - 15)

y = 1.65x - 24.75 + 32.84

y = 1.65x + 8.09

Now we let x = 36 and solve for y.

y = 1.65(36) + 8.09

y = 67.49

3 0
4 years ago
Angles!!!!!!!!!!!!!!!!!
schepotkina [342]

1= 136 degrees

2= 44 degrees

3= 136 degrees

5 0
3 years ago
Read 2 more answers
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