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3 years ago

USING PEMDAS/ ORDER OF OPERATIONS

1 answer:

8 0

The problem is meant to be set up like this:
100÷ 5 × 4 + 4^3
simply because it is 4 cubed at the end.
and the answer is 144! :)))))

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3 years ago

314,207 in standard form expanded form and word form

Gennadij [26K]

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Find the x-intercepts for the parabola defined

Inessa05 [86]

Answer:

<h2>Explanation:</h2>

In this exercise we have the following equation of a parabola:

$y=2x^2-12x+10$

So our goal is to find the x-intercepts. We can find this setting $y=0$ , so:

$2x^2-12x+10=0$

Taking 2 as common factor:

$2(x^2-6x+5)=0$

Hence this is a Non-perfect Square Trinomial. To factor out this, let's choose two numbers such that:

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The product is 5

Those two numbers are:

-1 and -5

Because:

Sum: -6
Product: 5

So this equation can be written as:

$x^2 + (a + b)x + ab=(x + a)(x + b) \\ \\ a=-1 \\ b=-5 \\ \\ x^2-14x+24=(x-(-1))(x-(-5))=0 \\ \\ (x+1)(x+5)=0 \\ \\ So \ the \ solutions \ are: \\ \\ \boxed{x=-1 \ and \ x=-5}$

<h2>Learn more:</h2>

Solutions to quadratic equation: brainly.com/question/13742278#

#LearnWithBrainly

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3 years ago

Write equivalent fractions for 3/5 and 1/4 using 20 as a common denominator

frez [133]

Answer:

12/20 and 5/20

Step-by-step explanation:

for 3/5is multiplied with 4 both numerator and denominator

as known as 1/4 will multiplied by 5/5

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3 years ago