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san4es73 [151]
3 years ago
7

What value of x makes the following equation true 4+3x=160

Mathematics
1 answer:
Alexxandr [17]3 years ago
6 0

Answer:

x=52

Step-by-step explanation:

160=4+3x

Subtract 4 from both sides

156=3x

Divide 3 from both sides

x=52

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The point A(0,3) and point B(4,19) lie on the line L.<br> Find the equation of line L
IRISSAK [1]

Answer:  The equation is   y = 4x+3

Slope = 4

y intercept = 3

========================================================

Explanation:

Let's start off by finding the slope.

A = (x_1,y_1) = (0,3) \text{ and } B = (x_2,y_2)  = (4,19)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{19 - 3}{4 - 0}\\\\m = \frac{16}{4}\\\\m = 4\\\\

The slope is 4.

The y intercept is 3 because of the point (0,3)

We go from y = mx+b to y = 4x+3

m = slope

b = y intercept

---------------

Check:

Plug in x = 0 and we should get to y = 3

y = 4x+3

y = 4(0)+3

y = 0+3

y = 3

That works out. Now try x = 4. It should lead to y = 19

y = 4x+3

y = 4(4)+3

y = 16+3

y = 19

The answer is confirmed.

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2 years ago
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Step-by-step explanation:

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3 years ago
Arithmetic of Functions problem<br> Open ended
VladimirAG [237]

Answer: <em>(gºh)(25)=2</em>


Step-by-step explanation:

1. This exercise is about Composition of functions, then you have:

2. Then, you have that

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3. Now, you must substitute 25 into the function, as you can see below:

<em>(gºh)(25)</em>=\sqrt{25}-3

4. Simplify the fucntion.

5. Therfore, you obtain:

<em>(gºh)(25)</em>=5-3=2


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3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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