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Ludmilka [50]
2 years ago
6

-a^2+7b^4-2c^3 if a= -4 b= -2 and c=-3

Mathematics
1 answer:
coldgirl [10]2 years ago
8 0

Step-by-step explanation:

-(-4)²+7(-2)⁴-2(-3)³

=16+7(16)-2(-27)

=15+112+54

=181

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What is the equation of the line that passes through the points (-2, 1) and (6, 3)?
earnstyle [38]

Answer:

y = \frac{1}{4} x + \frac{3}{2}

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, 1 ) and (x₂, y₂ ) = (6, 3 )

m = \frac{3-1}{6-(-2)} = \frac{2}{6+2} = \frac{2}{8} = \frac{1}{4} , then

y = \frac{1}{4} x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (6, 3 ) , then

3 = \frac{3}{2} + c ⇒ c = 3 - \frac{3}{2} = \frac{3}{2}

y = \frac{1}{4} x + \frac{3}{2} ← equation of line

3 0
1 year ago
46cm = how many millimetres
Leto [7]
Solution 

One centimeter is equal to 10 millimeters. To find how much millimeters are in 46 centimeters you have to multiply by 10 since there are 10 millimeters in 1 centimeter .

1 cm = 10 mm 

Calculations
46 x 10 = 460  
There are 460 millimeters 


46 cm = 460 mm

3 0
3 years ago
Can someone please help me with this?
yuradex [85]

Answer:

p = 1.2

Step-by-step explanation:

Bring 3.9 to the other side of the equation.

-10.9p = -13.08

p = 1.2

3 0
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