Create your own scenario for the variable expression below. Then, suggest values for the variables and solve. 14x + 12y

Mathematics

1 answer:

lbvjy [14]3 years ago

6 0

Answer:

so i dont know about this one but i think it is -45

Step-by-step explanation:

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Solve for x I need help on this question

AlexFokin [52]

Answer:

$x\approx7.8$

Step-by-step explanation:

In relation to the given angle, we are given the triangle's opposite side and hypotenuse. Therefore, we use the sine function to set up a proportion and solve for the opposite side:

$sin(\theta)=\frac{opposite}{hypotenuse}$

$sin(23^\circ)=\frac{x}{20}$

$20sin(23^\circ)=x$

$x=20sin(23^\circ)$

$x\approx7.8$

Therefore, the length of the opposite side is about 7.8 units

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3 years ago

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

Help! can someone please give me the answer

AlladinOne [14]

<h2>I can't answer your question, but please mark it as brainliest</h2>

Pliss

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3 years ago

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What is the formula of simple interest?

Annette [7]

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