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3 years ago

Surface area of a cube 2ft

Mathematics

1 answer:

Simora [160]3 years ago

8 0

Surface area is 6x2 squared so 2x2=4 4x6=24 ft Squared

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One day, Alonso decided to keep a record of the time he spent walking and the distance he walked. Which of the following are tru

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C and E

Step-by-step explanation:

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3 years ago

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How many times can 91 go into 357

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91 can go into 357 3 times

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3 years ago

Find the discriminant of 2x square + x - 6 is equal to zero?

Igoryamba

Answer:

When the discriminant value is zero, we get one real solution; When the discriminant value is negative, we get a pair of complex solutions; Standard Form. The standard discriminant form for the quadratic equation ax 2 + bx + c = 0 is. Discriminant, D = b 2 – 4ac. Where. a is the coefficient of x 2. b is the coefficient of x. c is a constant term.

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Step-by-step explanation:

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3 years ago

A man bought a horse and carriage for $500 paying three times as much for the carriage as for the horse how much did each cost

Lorico [155]

Hello! So, in order to solve this question, we should do 500/4. 500/4 = 125. Multiply 125 by 3 and you get 375. The horse costs $125 and the carriage costs $375.

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3 years ago

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Find the equation of the line through the point (–2, –2) that is perpendicular to the line y = 2x – 1.

lawyer [7]

Hi student, let me help you out!

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Perpendicular lines have slopes that are <u>opposite inverses </u>of each other.

The opposite inverse of 2 is $\mathrm{-\cfrac{1}{2}}$ .

Now let's stick in this number into the equation $\mathrm{y=mx+b}$ :

$\mathrm{y=-\cfrac{1}{2}x+b}$ . Let's carry out several operations to determine the y intercept.

First, let's stick in -2 for x and y (Do you remember that the line passes through (-2,-2)? We're given that piece of information.)

$\mathrm{-2=-\cfrac{1}{2}\times(-2)+b}$ .

You are probably thinking, "Why did you do that and just complicate things?" Wait for it! ^-^

Upon simplifying this, we obtain: $\mathrm{-2=1+b}$ . See, it's nice and smooth now.

One last operation remains. We need to subtract 1 from both sides: $\mathrm{-3=b}$ .

∴, the equation of the line is: $\mathrm{\underline{\boxed{y=-\cfrac{1}{2}-3}}}$

Hope this helped you out, ask in comments if any queries arise.

Best Regards!

$\star\bigstar\underline{\underline{\overline{\overline{\bold{Reach\:Far.\:Aim\:high.\:Dream\:big.}}}}}\bigstar\star$

$\underline{\rule{300}{3}}$

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2 years ago