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Jenifermorales101
17.02.2022 •
Mathematics
Please answer the question in the picture
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Ответ:
2(3x+1)(x+1)
explanation:
→ 6x²+8x+2
→ 2(3x²+4x+1)
→ 2(3x²+3x+x+1)
→ 2(3x(x+1)+1(x+1))
→ 2(3x+1)(x+1)
Ответ:
2(3x + 1)(x + 1)
Step-by-step explanation:
6x² + 8x + 2
Multiply the coefficient of x² and the constant: 6 x 2 = 12
Find factors of 12 that sum to make the coefficient of x (8): 2 and 6
Therefore,
6x² + 8x + 2
= 6x² + 6x + 2x + 2
= 6x(x + 1)+2(x + 1)
= (6x + 2)(x + 1)
= 2(3x + 1)(x + 1)
Ответ:
1. The required slope m, for the context is![m = 1.08](/tpl/images/0397/1965/c2459.png)
2. The y-intercept in the context is![a = y = 1052](/tpl/images/0397/1965/ab84c.png)
3. The graph is on Desmos.
Step-by-step explanation:
Given:
Where,
a is the speed of sound wave.
t is the air temperature.
This is a linear model type equation.
Can be represented in the slope intercept form which is equal to
Where,
m = Slope of the line.
c = y-intercept.
Now if we compare the given model by slope intercept formula we get
So ,the slope in the context of the problem is
.
and the y intercept in the context of the problem![a = c = y = 1052](/tpl/images/0397/1965/29611.png)
For Sketching the graph we require two point
put t = 0
∴ a = 1052
Let A (1052, 0) be one point.
put a = 0
∴ t = -974.07
Let B (0, -974.07) another point.
So, the x intercept of the linear model is![t = x = -974.07](/tpl/images/0397/1965/bbf5f.png)
Here in the graph
X axis represent temperature in degree, Fahrenheit.(t)
Y axis represent Speed of sound wave in feet per second.(a)
Scale on both axes:
1 cm = 100 feet per second on y-axis
1 cm = 100 degree Fahrenheit on x-axis