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kozerog [31]
2 years ago
15

Which number sentence is true?

Mathematics
1 answer:
Artemon [7]2 years ago
5 0

Answer:

yes

Step-by-step explanation:

but really nice to the world I'm happy for you because you is so buetiful

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Write using exponents. Work from left to right on the grid. 7*7*7*7
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7^4  the ^ is the exponent symbol if you did not know 
7^4=2,401
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3 years ago
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Which of the following represents the zeros of f(x) = 2x3 − 5x2 − 28x + 15?
likoan [24]

\mathrm{Use\:the\:rational\:root\:theorem}

a_0=15,\:\quad a_n=2

\mathrm{The\:dividers\:of\:}a_0:\quad 1,\:3,\:5,\:15,\:\quad \mathrm{The\:dividers\:of\:}a_n:\quad 1,\:2

\mathrm{Therefore,\:check\:the\:following\:rational\:numbers:\quad }\pm \frac{1,\:3,\:5,\:15}{1,\:2}

-\frac{3}{1}\mathrm{\:is\:a\:root\:of\:the\:expression,\:so\:factor\:out\:}x+3

-\frac{3}{1}\mathrm{\:is\:a\:root\:of\:the\:expression,\:so\:factor\:out\:}x+3

\mathrm{Compute\:}\frac{2x^3-5x^2-28x+15}{x+3}\mathrm{\:to\:get\:the\:rest\:of\:the\:eqution:\quad }2x^2-11x+5

=\left(x+3\right)\left(2x^2-11x+5\right)

Factor: 2x^2-11x+5

2x^2-11x+5=\left(2x^2-x\right)+\left(-10x+5\right)

=x\left(2x-1\right)-5\left(2x-1\right)

2x^3-5x^2-28x+15=\left(x+3\right)\left(x-5\right)\left(2x-1\right)

\left(x+3\right)\left(x-5\right)\left(2x-1\right)=0

\mathrm{Using\:the\:Zero\:Factor\:Principle:}

thus zeros of f(x) is

x=-3,\:x=5,\:x=\frac{1}{2}

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3 years ago
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Use the information to answer questions 8 and 9.
inessss [21]

Answer:

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Step-by-step explanation:

the factors and prime factorization of 36 and 54. The biggest common factor number is the GCF number. So the greatest common factor 36 and 54 is 18.

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3 years ago
At what point do the lines y=x-4 and 2x+y=2 intersect?
earnstyle [38]

Answer:

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Step-by-step explanation:

<u>Given</u>

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<u>Solving by substitution</u>

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<u>Then finding y</u>

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Intersection point is (2, -2)

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Answer:

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Step-by-step explanation:

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