3 years ago

Solve 4x^2+8x-5=0 Using the correct method. Show the steps of your work, and explain why you chose the method used

Mathematics

1 answer:

9966 [12]3 years ago

7 0

Which method are you using

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Your favorite restaurant has a promotion where you can win free food. You will roll 2 dice. The sum of the 2 dice will determine

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Answer:

0.25

Step-by-step explanation:

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1 year ago

Jimmy is buying 2 pairs of pants that cost $14.50 each. There is a 7.5% sales tax What is the total Jimmy will pay for the pants

dangina [55]

Answer:

$31.18

Step-by-step explanation:

14.50 x 2 = 29

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2 years ago

12x+7<-11 or 5x-8>40

puteri [66]

Answer:

$\large\boxed{x9\dfrac{3}{5}\to x\in\left(-\infty,\ -1\dfrac{1}{2}\right)\ \cup\ \left(9\dfrac{3}{5},\ \infty\right)}$

Step-by-step explanation:

$12x+7$

$5x-8>40\qquad\text{add 8 to both sides}\\\\5x-8+8>40+8\\\\5x>48\qquad\text{divide both sides by 5}\\\\\dfrac{5x}{5}>\dfrac{48}{5}\\\\x>\dfrac{48}{5}\\\\x>9\dfrac{3}{5}\\===========================$

$x9\dfrac{3}{5}$

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3 years ago

How would you simplify the expression represented by the diagram below?

luda_lava [24]

6 + 3c is the correct answer

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2 years ago

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A sandbox has a volume of 648 cubic feet. what is the volume, in cubic yards, of the sandbox?

Eduardwww [97]

We know that

1 cubic yards equals to--------------> 27 <span>cubic feet
then
</span><span>I apply a rule of three
if </span>1 cubic yards ------------------- 27 ft³
X----------------------------------> 648 ft³
X=648/27=24 cubic yards

the answer is 24 cubic yards

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3 years ago