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Makovka662 [10]
3 years ago
13

Please help! Thank you!

Mathematics
1 answer:
zysi [14]3 years ago
5 0
Your factors are (x+7)(x-5)(x+3)

multiply the first 2 to get (x^2 + 2x - 35)(x+3)

Now multiply in the 3rd one
x^3 + 2x^2 - 35x + 3x^2 + 6x - 105 now combine like terms
x^3 + 5x^2 -29x - 105 or A
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I need help ASAP.... please help....
avanturin [10]

Answer:

(7x-1)(x-3)

Step-by-step explanation:

7x^2 - 22x + 3

The factors have to add to -22, but multiply to equal 3. But since the "a" value has a number on it, you have to use it too.

(7x +/- [n1]) ( x +/- [n2]) = 7x^2 - 22x + 3

Since the two numbers multiply to a positive value, they have to have the same sign. (7x-1) (x-3) works to produce the expression when it's foiled.

3 0
3 years ago
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Help asap!!!!! im in a quiz rn-
a_sh-v [17]

Answer:

C. 31.4 ft

Step-by-step explanation:

Given

Diameter (d) = 10 ft

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Hope it will help :)❤

3 0
3 years ago
the function f(h)=2d+4.3 relates the h height of the water in a function on a calculator and use the graph to find the height of
Gemiola [76]
So, if "d" equals the diameter, we need to plug in 1.5 for "d". The equation now looks like: f(h) = 2(1.5) +4.3. Now if you multiply, it's: f(h) = 3 + 4.3, which then is: f(h) = 7.3. The height would be 7.3 in, when the diameter is 1.5 in. Hope this helps =). Have a great day! 
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4 years ago
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Sample Size Sample average Sample SD
Pani-rosa [81]

Answer:

b. Null: The population average VDAS score for early birds is the same as the population average VDAS score for night owls.

Alt: The population average VDAS scores are different for the two groups.

Step-by-step explanation:

Given

The above data

Required

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When looking out for the null hypothesis, only options with equality statements or equal sign should be selected as the null hypothesis.

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The alternate hypothesis will then contain inequalities or inequality statements

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5 0
3 years ago
the function F is defined by F(x) 12/x+1/2. use this formula to find the following values of the function. F(a/2)
Ivan

Answer:

what is the question

Step-by-step explanation:

um if u want me to answer u it has to be a question

4 0
3 years ago
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