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miss Akunina [59]
3 years ago
11

Solve (2x^2-3x)(x^3-4x)​

Mathematics
1 answer:
kirill [66]3 years ago
8 0

Answer: 2x5−3x4−8x3+12x2

Step-by-step explanation:

(2x2−3x)(x3−4x)

=(2x2+−3x)(x3+−4x)

=(2x2)(x3)+(2x2)(−4x)+(−3x)(x3)+(−3x)(−4x)

=2x5−8x3−3x4+12x2

=

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Please help I’ll give you guys brainiest!<br><br><br> Thank youuuuuuu :))
mariarad [96]

Hi there!

\large\boxed{\left \{ {{y\geq -x + 3} \atop {y > 2x - 3}} \right.}

We can begin by looking at the solid-line pictured in the graph.

Using the slope-formula, we can derive the slope from this line:

\text{Slope } = \frac{ y_2 - y_1 } { x_2 - x_1 }

Plug in points from the line:

m = \frac{0- 3 } { 3 - 0} = -1

We can also see that the graph has a y-intercept, or "b" value of 3. The line is a solid line including values above it, which means we must use a "greater than or equal to" symbol. Therefore, the final equation is:

y ≥ -x + 3

The second line is dashed and also has values shaded above its graph. We can use this later to make an equation, but let's solve for the slope for now. Use the same equation as above:

m = \frac{1-(-3)}{2-0}  = 4/2 = 2

The graph has a y-intercept at y = -3, so this is the "b" value in its slope-intercept formula.

Use a "greater than" sign (Not equal to... the line is dashed) to write the equation:

y > 2x - 3

6 0
3 years ago
Samantha was driving down a road and after 4 hours she had traveled 70 miles. At this speed, how many hours would it take Samant
Readme [11.4K]

Answer:

It would take Samantha 6 hours to drive 105 miles.

Step-by-step explanation:

This question can be solved by proportions.

After 4 hours she had traveled 70 miles.

This means that she travels 70/4 = 17.5 miles per hour.

How many hours would it take Samantha to drive 105 miles?

17.5 miles per hour, so for 105 miles:

105/17.5 = 6

It would take Samantha 6 hours to drive 105 miles.

3 0
3 years ago
Is this a direct variation 6y=2x
borishaifa [10]

Answer:

y=4

Step-by-step explanation:

6 0
3 years ago
62.8 in scientific notation
bearhunter [10]

Answer:

6.28 x 10²

Step-by-step explanation:

first number must be greater than or equal to 1 and less than 10

if you move the decimal to the left you need to increase the power of ten by one for each move

if you move the decimal to the rightt you need to decrease the power of ten by one for each move

8 0
3 years ago
List the following elements in proper set notation. Place the elements in numerical order within the set. 0, 1, 123, 4, 34
forsale [732]

Answer:

{0, 1, 4, 34, 123}

Step-by-step explanation:

{0, 1, 4, 34, 123}

8 0
3 years ago
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