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Bogdan [553]
3 years ago
8

Use the x-intercept method to find all real solutions of the equation.x3-10x2=27x-18=0

Mathematics
1 answer:
g100num [7]3 years ago
3 0

x^3-10x^2=27x-18=0 has no solutions

x^3-10x^2-27x-18=0 has 3 solutions

x^3-10x^2-27x-18=0 also has three solutions


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What is the product of <br><br>(2x+3)(4x²-5x+6) <br><br>​
Rasek [7]

Answer:

24x^3-30x^2+36x

Step-by-step explanation:

you distribute.

(2x+3)(4x^2-5x+6)

distribute the 2x first

3(4x^2*2x-5x*2x+6*2x)

then simplify

3(8x^3-10x^2+12x)

then distribute again (I'm distributing and multiplying it out in this step)

24x^3-30x^2+36x

3 0
3 years ago
A blueprint for a building includes a rectangular room that measures 3 inches long and 5.5 inches wide. The scale for the bluepr
slamgirl [31]

1 inch = 10 feet.

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5.5 inches x 10 = 55 feet

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The answer is true.

4 0
3 years ago
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Paul has $75 in his wallet. He worked 8 hours at the theater and earned $8.50 per hour. He spent $72.50 in a pair of soccer Clai
Rudiy27

Answer:

$70.50

Step-by-step explanation:

8.50 x 8 = 68

68 + 75 = 143

143 - 72.50 = 70.50

3 0
3 years ago
Consider the diagram below.<br> 42°<br> 18<br> y<br> Find x. Round to the nearest whole number!
OleMash [197]

Answer:

step by step Explanation:

Since this is a right triangle,

We can find the length b by using the Pythagoras theorem

a2+b2=c2

Plugin the values

→22+b2=62

→4+b2=36

→b2=32

Take the square root of both sides

→√b2=√32

→b=√16⋅2

⇒b=4√2

8 0
2 years ago
Alejandra has five hair ribbons measuring 8,13,11,9, and 13 inches long what is the median length of the ribbons
Digiron [165]
I'm afraid it's not 11 (unless you can round the result up, but there is no mention about it).

8 + 13 + 11 + 9 + 13 = 54
54 / 5 = 10,8

Firstly you sum all the numbers and then you divide the result by the amount of the summed up numbers.
8 0
3 years ago
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