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adelina 88 [10]
2 years ago
5

Simplify the following expression: -5a⁷ b⁻³ • 4a⁻⁶ b⁶

Mathematics
2 answers:
Rudiy272 years ago
7 0
What is the • supposed to be? are you adding, subtracting, multiplying or dividing?
salantis [7]2 years ago
7 0
= -20a^1 b^3
This is my answer
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Yuri [45]

Answer:

y+3.2=2.3(x-4.5)

Step-by-step explanation:

So the point-slope formula looks like this: y-y_1=m(x-x_1)

y_1 = any y point on the line

x_1 = any x point on the line

m = the slope

And hey, look, we're already given all that information!

So we can just plug those values into the equation:

y+3.2=2.3(x-4.5)

(*note: It's a +3.2 because 3.2 was negative in the first place, and -(-x) = +x)

3 0
3 years ago
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IrinaK [193]

Answer:

8

Step-by-step explanation:

3 0
3 years ago
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The graph of the function f(x) = -(x+6)(x + 2) is shown
Leokris [45]

Answer:

The function is increasing for all real values of x where

x < –4.

Step-by-step explanation:

we have

f(x)=-(x+6)(x+2)

This is a vertical parabola open downward (the leading coefficient is negative)

The vertex (h,k) represent  a maximum

The roots of the function (or x-intercepts) are x=-6 and x=-2

The x-coordinate of the vertex is the midpoint of the roots

so

h=(-2-6)/2=-4

The y-coordinate of the vertex is

substitute the x-coordinate of the vertex in the quadratic equation

k=-(-4+6)(-4+2)

k=-(2)(-2)

k=4

The vertex is the point (-4,4)

The function is increasing in the interval (-∞,-4)

The function is decreasing in the interval (-4,∞)

6 0
3 years ago
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James completely covered a square poster board using 68.2 inches with an exponent of 2.of cardstock. Which measurement is
mash [69]

Answer:

A. 34in

Step-by-step explanation:

If James completely covered a square poster board using 68.2 inches with an exponent of 2, the the total perimeter of the square will be;

P = 2(68.2) = 136.4in

Since the perimeter of a square is expressed as:

P = 4L

136.4 = 4L

L = 136.4/4

L = 34.1in

Hence the measurement of one side of the square poster is closest to 34in

4 0
2 years ago
I need an estimate. My teacher needs an explanation.​
zalisa [80]

Answer:

3.10 I think.

Step-by-step explanation:

4 0
2 years ago
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