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enot [183]
3 years ago
7

Sorry if this is a lot. It’s true of false.

Mathematics
1 answer:
Firlakuza [10]3 years ago
7 0

1. false 2. true 3. true 4.false

Step-by-step explanation:

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List all rational roots that are possible according to the rational zero theorem. x^3-5x^2-9x+45=0
Lina20 [59]

-3, 3, 5.

https://www.wolframalpha.com/input/?i=%28x%5E3%29-%285x%5E2%29-9x%2B45%3D0

8 0
4 years ago
A triangle has sides of length 2, 2, and 3. Which of the following is the measure of the obtuse angle of the triangle?
kramer

Answer:

97.18^{\circ}

Step-by-step explanation:

An obtuse angle in the triangle is opposite to the greatest side. The greatest side in the triangle with sides lengths 2, 2 and 3 is side with length 3. By the cosine rule,

3^2=2^2+2^2-2\cdot 2\cdot 2\cdot \cos \alpha,\\ \\9=4+4-8\cos \alpha,\\ \\-8\cos \alpha=9-4-4=1,\\ \\\cos \alpha=-\dfrac{1}{8},\\ \\\alpha\approx 97.18^{\circ}.

7 0
4 years ago
Given the function f(x) = 3 x - 21 + 6, for what values of x is f(x) = 18?
IrinaK [193]

Answer:

X=2

If 21+6=27 then subtract what f(x) is (which is 18) from the 27. 27-18=6 then 3x2=6 so therefore your answer is 2. Hope this helps!!

4 0
3 years ago
Read 2 more answers
Would y^10/y^10 become 1?
mote1985 [20]

Answer:

yes

Step-by-step explanation:

If you are dividing it will become 1 because 10 minus 10 equals 0. Anything to the power of 0 is 1 then you keep the base which is y so the answer is y

If you are multipling the answer will be y^10  because 10 plus 10 is 20 and you keep the base which is y

5 0
3 years ago
A hot air balloon ascended to a height of 35 meters 2 minutes after launch. After some time, the balloon's altitude began to cha
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10.25 maybe i could be incorrect
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3 years ago
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