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seropon [69]
2 years ago
14

Multiply (x^2 - 3x + 4)(-2x^2 + 4x - 1) Show the steps on how to solve please.

Mathematics
1 answer:
Firdavs [7]2 years ago
5 0
-2x^4 + 10x^3 - 21x^2 + 19x - 4

that should be the right answer
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Oduvanchick [21]

Answer:

Step-by-step explanation:

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5 0
3 years ago
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Translate "Three is less than thirty-seven" into a mathematical expression.
scoray [572]

3  < 37
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5 0
3 years ago
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Hence solve the equation x^3+x^2-6x=0<br>​
Aneli [31]

<em>Answer:</em>

<em />

<em>x³ + x² - 6x = 0</em>

<em>x(x² + x - 6) = 0</em>

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<em>x[x(x + 3) - 2(x + 3)] = 0</em>

<em>x(x - 2)(x + 3) = 0</em>

<em>x₁ = 0</em>

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<em>x + 3 = 0 => x₃ = - 3</em>

4 0
3 years ago
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Alexandria,a car dealer,earns 40% commission of her luxury vehicles sales. Last year,her sales were $480,000. What was the total
Oxana [17]

Answer:

$12,000,000

Step-by-step explanation:

To find her commission, create a proportion.

\frac{40}{100}=\frac{480000}{x}

To solve use cross multiplication.

40(x) = 100(480000)

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3 0
3 years ago
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sesenic [268]

Answer:

140 ounces of water and 105 ounces of 35% salt solution.

Explanation:

Let x be the ounces of water that need to be added and y be the ounces of 35% solution that need to to be added.

We know that the total of ounces of water and of 35% solution must be 245 ounces:

x+y=245

35% of  x is the salt, and since no salt is added with addition of y  liters of water, this must be equal to the amount of salt in the final 15% solution:

0.35x=0.15*245

we solve for  x and get:

x=105

We put this value into x+y=245 and solve for y to get:

y=140

Thus we have 140 ounces of water and 105 ounces of 35% solution.

8 0
3 years ago
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