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g100num [7]
2 years ago
11

Need help please check out my questions!!

Mathematics
1 answer:
Elodia [21]2 years ago
5 0

Answer:

<em><u>ok</u></em>

<em><u>Explanation</u></em><em><u>:</u></em>

<em><u>i</u></em><em><u> </u></em><em><u>checked</u></em><em><u> </u></em><em><u>out</u></em><em><u> </u></em><em><u>thnks</u></em>

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What is the fully factored form of the expression 45x²y2 + 18x3
Llana [10]

Answer:

9x^2(5y^2 + 2x).

Step-by-step explanation:

First find the Greatest Common Factor of the 2 terms.

GCF of 18 and 45 = 9

GCF of x^2 and x^3 = x^2.

The complete GCF is therefore 9x^2.

So, dividing each term by the GCF, we obtain:

9x^2(5y^2 + 2x).

4 0
2 years ago
Find the zeros (roots) of the following equations. f(x) = 2x5 - 9x4 + 12x3 - 12x2 + 10x - 3 = 0
Talja [164]
Hi,
f(1)=2*1^5-9*1^4+12*1^3-12*1^2+10*1-3\\&#10;=2-9+12-12+10-3\\&#10;=0\\&#10;&#10;f(x)=(x-1)(2x^4-7x^3+5x^2-7x+3)\\&#10;&#10;&#10;g(x)=2x^4-7x^3+5x^2-7x+3\\&#10;&#10;g(3)=2*3^4-7*3^3+5*3^2-7*3+3\\&#10;=162-189+45-21+3\\&#10;=0\\&#10;&#10;g(x)=(x-3)(2x^3-x^2+2x-1)\\&#10;&#10;h(x)=2x^3-x^2+2x-1\\&#10;&#10;h( \dfrac{1}{2} )=2* \dfrac{1}{8} - \dfrac{1} {4}+1-1\\&#10;=0\\&#10;&#10;h(x)=(2x-1)(x^2+1)\\&#10;&#10;&#10;f(x)=(x-1)(x-3)(2x-1)(x+i)(x-i)\\&#10;&#10;&#10;
Roots are 1,3,0.5,i,-i.

8 0
3 years ago
(x + 5 1/2) 0.75= 5/8 What is x?
swat32
<span>(x + 5 1/2) 0.75= 5/8<span>
Convert 0.75 into a fraction
</span></span><span>(x + 5 1/2) 3/4= 5/8
Use distributive property
3/4x + 5 1/2*3/4 = 5/8
Convert 5 1/2 into improper fraction
3/4x + 11/2*3/4 = 5/8
Multiply
3/4x + 33/8 = 5/8
Subtract 33/8 from both sides
3/4x = 5/8 - 33/8
Subtract the numerators but NOT the denominators
3/4x = -28/8
Divide 3/4 on both sides
x = -28/8 divided by 3/4
Convert the division sign to multiplication while flipping the fraction 3/4 to 4/3
x = -28/8 * 4/3
Multiply
Final Answer: x = -112/24 or -4 16/24 or -4 4/6 or -4 2/3 *All answers are equivalent to each other.</span>
7 0
2 years ago
A company that makes hair-care products had 2,000 people try a new shampoo. Of the 2,000 people, 4 had a mild allergic reaction.
bazaltina [42]

Answer:

0.2%

Step-by-step explanation:

2,000 people tested the new shampoo.

4 people had a mild allergic reaction.

4 is what percentage of 2,000?

0.2 percent.

(2,000 = %99.8)

4 0
2 years ago
A triangle has side lengths of 3 feet and 9 feet.which is the greatest possible perimeter of the triangle
OLga [1]
21 because you have to have at least 1 side as 3m so the other two should be 9m to have the greatest possible length
6 0
2 years ago
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