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3 years ago

Rob colored 1/4 of a rectangle. what is another way to name 1/4?

Mathematics

2 answers:

Juli2301 [7.4K]3 years ago

8 0

1/4 can be 0.25 or 2/8, depending if you want a decimal or a fraction. Hope this helps! Please rate brainiest answer.

Morgarella [4.7K]3 years ago

3 0

One-Fourth is another way

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What are the exact solutions of x2 = 5x + 2? (1 point)

bazaltina [42]

Answer:

A. x equals 5 plus or minus the square root of thirty-three all over 2

Step-by-step explanation:

Let's move all the terms to one side:

$x^2=5x+2$

$x^2-5x-2=0$

Now, we want to use the quadratic formula, which states that for a quadratic equation of the form $ax^2+bx+c=0$ , the roots can be found with the equation: $x=\frac{-b+\sqrt{b^2-4ac} }{2a}$ or $x=\frac{-b-\sqrt{b^2-4ac} }{2a}$ .

Here, a = 1, b = -5, and c = -2, so plug these in:

$x=\frac{-(-5)+\sqrt{(-5)^2-4(1)(-2)} }{2(1)}=x=\frac{5+\sqrt{25+8} }{2}=\frac{5+\sqrt{33} }{2}$

$x=\frac{-(-5)-\sqrt{(-5)^2-4(1)(-2)} }{2(1)}=x=\frac{5-\sqrt{25+8} }{2}=\frac{5-\sqrt{33} }{2}$

Thus, the answer is A.

Hope this helps!

6 0

3 years ago

Read 2 more answers

Which inequality is true?

alexdok [17]

9514 1404 393

Answer:

А. Зп > 9

Step-by-step explanation:

The inequality of A may or may not be true. (It is true only if n > 3.) All of the others are definitely false.

3 0

2 years ago

What is the surface area of this design ?

Fed [463]

Answer:

384 8x8=64 64x2=128 128x3=384

Step-by-step explanation:

8 0

3 years ago

Y=3/4 x-4

pochemuha

Answer:

see graph of y=3/4 x-4

Step-by-step explanation:

Assuming you mean

$y = \frac34x - 4$

Below is a graph of that one. The slope is 3/4 and the interception with the y axis is at y=-4. The equation is in its normal form y=ax+b with a=3/4 (slope) and b=-4 (y intercept), so no conversion needed.

You have to be careful on how you write these equations down. It might very well be that you meant:

$y = \frac{3}{4x-4}$ or $y = \frac{3}{4x} - 4$