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2 years ago

Which graph represents polynomials function f(x)=x^3+4x^2-15x-18

Mathematics

2 answers:

aliina [53]2 years ago

6 0

Just took the quiz, got it right so here it is.

Hope I could help! :D

olya-2409 [2.1K]2 years ago

4 0

The bottom left, lies never -6 on x axis and 20 on y axis

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Factor completely 4u^2-28u+49

aleksandrvk [35]

Assignment: $\bold{Factor \ 4u^2-28u+49}$

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Answer: $\boxed{\bold{\left(2u-7\right)^2}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Rewrite $\bold{4u^2-28u+49}$

$\bold{\left(2u\right)^2-2\cdot \:2u\cdot \:7+7^2}$

[ Step Two ] Apply perfect square formula

Note: Perfect Square Formula: $\bold{\left(a-b\right)^2=a^2-2ab+b^2}$

$\bold{a=2u,\:b=7}$

$\bold{\left(2u-7\right)^2}$

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$\bold{\rightarrow Rhythm \ Bot \leftarrow}$

6 0

3 years ago

Add: x^5 - 4x^4 + 7x^3 + 8, 9x^3+ 7x^2 - 10, and -2x^5 + 7x^4 - 3x + 8.

Nastasia [14]

Answer:

$\large\boxed{-x^5+3x^4+16x^3+7x^2-3x+6}$

Step-by-step explanation:

$(x^5 - 4x^4 + 7x^3 + 8)+(9x^3+ 7x^2 - 10)+(-2x^5 + 7x^4 - 3x + 8)\\\\=x^5 - 4x^4 + 7x^3 + 8+9x^3+ 7x^2 - 10-2x^5 + 7x^4 - 3x + 8\\\\\text{combine like terms}\\\\=(x^5-2x^5)+(-4x^4+7x^4)+(7x^3+9x^3)+7x^2-3x+(8-10+8)\\\\=-x^5+3x^4+16x^3+7x^2-3x+6$

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2 years ago

A pharmacist who wants to mix 836% solution with a 12% saline solution to get 64 mL at 33% saline solution how much of each solu

GenaCL600 [577]

<span>x = 60 ml of the 10% solution </span>

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2 years ago

All roll of tape is 50 yards long. How many pieces of tape 2 inches long can be cut from the tape?

Svetllana [295]

First you would need to convert 50 yds into inches. 50 yds = 150 ft = 1800 inches. Divide the number of inches by two.
1800 divided by 2 is 900. Therefore, Your answer should be 900 pieces of tape print to see 2 inches each and print the Sea.

4 0

2 years ago

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Given the following geometric sequence, find the common ratio: {225, 45, 9...}

Aleksandr-060686 [28]

Common ratio is 5 or -5 to be more precise. 225 divides by 45=5 and 45 divided by 9=5. So the common ratio is 5.

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3 years ago

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