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2 years ago

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

amm1812

7^4 the ^ is the exponent symbol if you did not know
7^4=2,401

8 0

3 years ago

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Which of the following represents the zeros of f(x) = 2x3 − 5x2 − 28x + 15?

likoan [24]

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

$a_0=15,\:\quad a_n=2$

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

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

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

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

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

$Factor: 2x^2-11x+5$

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

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

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

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

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

thus zeros of f(x) is

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

5 0

3 years ago

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Use the information to answer questions 8 and 9.

inessss [21]

Answer:

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.

8 0

3 years ago

At what point do the lines y=x-4 and 2x+y=2 intersect?

earnstyle [38]

Answer:

(2, -2)

Step-by-step explanation:

Given

y = x - 4
2x + y = 2

Solving by substitution

2x + (x - 4) = 2
3x - 4 = 2
3x = 6
x = 2

Then finding y

y = x - 4
y = 2 - 4
y = -2

Intersection point is (2, -2)

6 0

2 years ago

Write the equation in standard form for the circle -20y = -x^2 - y^2 - 36

Eva8 [605]

Answer:

x^2 + (y - 10)^2 = 64

Step-by-step explanation:

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3 years ago

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