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3 years ago

15

Clara got 78% of the problems on the test correct,Zahra got 4/5 of the problems correct and Melissa got 0.778 of the problems co

rrect.Order from least to greatest

1 answer:

omeli [17]3 years ago

8 0

Answer:

Melissa

Clara

Zahra

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Which of the following is equivalent to (-2) -5?<br><br> -2+(-5)<br> -2+(-5)<br> 2+(-5)<br> 2-(-5)

gladu [14]

-2+(-5) is equal to (-2)-5.

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Please assist with this question . Will give brainliest. No links please!!!

SpyIntel [72]

Answer:

$-16x^3+9x^2$

Step-by-step explanation:

$-4x^3-12x^3+9x^2$

$(-4-12)x^3+9x^2$

$-16x^3+9x^2$

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$ax^2+bx+c=0\\\\x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}$

$We\ have:\\\\15x^2+7x-12=0\\\\a=15;\ b=7;\ c=-12\\\\substitute\\\\x_1=\dfrac{-7-\sqrt{7^2-4\cdot15\cdot(-12)}}{2\cdot15}=\dfrac{-7-\sqrt{49-5(15)(-12)}}{30}\\\\x_2=\dfrac{-7+\sqrt{49-4(15)(-12)}}{30}$

First option.

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3 years ago

A sweater is on sale for $45.00, down from $75.00. What is the

Dominik [7]

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Step-by-step explanation:

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3 years ago

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First rewrite 3/7 and 4/9 so they have a common denominator then use <,>,or=

Alex777 [14]

Answer: The common denominator is 63 so..

27/63 < 28/63 so 3/7 < 4/9

Hope this helps

Step-by-step explanation:

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