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2 years ago

What is two plus two

Mathematics

2 answers:

MaRussiya [10]2 years ago

7 0

Answer:2+2=4 that is smart math

Step-by-step explanation:)

ExtremeBDS [4]2 years ago

3 0

Answer:4

Step-by-step explanation:

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Anika [276]

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4 because its not a scatter plot

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3 years ago

Olga had more than 6 aces in what percent of tennis matches

Tanya [424]

Answer:

50%

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3 years ago

The quadratic formula gives which roots for the equation 2x^2 + x - 6 = 0?

Jet001 [13]

Answer:

The roots are $x = (\frac{3}{2}, -2)$ , which is given by option C.

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\Delta}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\Delta}}{2*a}$

$\Delta = b^{2} - 4ac$

In this question, we have that:

$2x^2 + x - 6 = 0$

Which is a quadratic equation with $a = 2, b = 1, c = -6$ . So

$\Delta = 1^{2} - 4*2(-6) = 1 + 48 = 49$

$x_{1} = \frac{-1 + \sqrt{49}}{2*2} = \frac{6}{4} = \frac{3}{2}$

$x_{2} = \frac{-1 - \sqrt{49}}{2*2} = \frac{-8}{4} = -2$

So the roots are $x = (\frac{3}{2}, -2)$ , which is given by option C.

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3 years ago

PLS HELP NEED THIS IN LESS THA AN HOUR PLS NO LINKS

yanalaym [24]

Answer:

Volume=Length×Width×Height

Step-by-step explanation:

A rectangular prism is a 3D figure with 6 rectangular faces. To find the volume of a rectangular prism, multiply its 3 dimensions: length × width × height. The volume is expressed in cubic units.

EXAMPLE:

Lets say the HEIGHT is 2mm. Lets say the WIDTH is 1mm. Lets say the LENGTH is 10mm.

L×W×H

10×1×2=20mm

20 Cubic mm

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2 years ago

HELP PLS THIS IS DUE TODAY

Lesechka [4]

Answer: length is 30

Step-by-step explanation:

length times width is area

A= L * W

W= 2/3L

600= L * $\frac{2}{3}$ L

$600=\frac{2}{3} L^{2} \\\frac{3}{2} (600)=L^{2} \\900=L^{2} \\30=L$

6 0

2 years ago

What is two plus two​

What is two plus two