3 years ago

What’s angle 2 and 4

Mathematics

1 answer:

Nataliya [291]3 years ago

7 0

Answer:vertical angle

Step-by-step explanation:

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4x^2 = 92 + 7x solve the equation using the guadratic formula, show all work

katovenus [111]

$4x^2=92+7x\ \ \ \ |-4x^2\\\\-4x^2+7x+92=0\\\\a=-4;\ b=7;\ c=92\\\\b^2-4ac=7^2-4\cdot(-4)\cdot92=49+1472=1521\\\\\sqrt{b^2-4ac}=\sqrt{1521}=39\\\\x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\x_1=\dfrac{-7-39}{2\cdot(-4)}=\dfrac{-46}{-8}=\dfrac{23}{4}\\\\x_2=\dfrac{-7+39}{2\cdot(-4)}=\dfrac{32}{-8}=-4$

$\text{Answer:}\ A.\ \left\{\dfrac{23}{4};\ -4\right\}$

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4 years ago

Simplify the following expression. -4(2x +6) +x2 -9

nevsk [136]

Answer:

x² - 8x - 15

Step-by-step explanation:

-4(2x + 6) + x² - 9

= -8x - 24 + x² - 9

= x² - 8x - 33

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3 years ago

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Write this number in expanded form 325,809

goldenfox [79]

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vodomira [7]

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Step-by-step explanation:

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If you were to invest your money, which term will you use to compute for the interest in your investment: exact or approximate t

Svet_ta [14]

The term that can be used by the person to compute the interest in the investment will be simple interest.

<h3>What is simple interest?</h3>

It should be noted that simple interest simply means the interest that is charged on a loan.

The simple interest is gotten by multiplying the daily interest rate by the principal. When one borrows money.

Also, the type of interest that would save you more money if the interest rate and time for loans are exactly the same is a compound interest.

Learn more about simple interest on:

brainly.com/question/25793394

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