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2 years ago

What do x square equal

Mathematics

1 answer:

malfutka [58]2 years ago

7 0

X * x

or

x times x

or

x times itself

or

x squared

all means the same thing

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A child walks due east on the deck of a ship at 3 miles perhour.

VladimirAG [237]

Answer:

16.28 mph ; 79.38°

Step-by-step explanation:

Given the following :

Speed of child due east = 3mph

Speed of ship due North = 16mph

Relative speed of th child is obtained by using Pythagoras rule to find the hypotenus

Relative Speed = Sqrt(3² + 16²)

Relative Speed = sqrt(9 + 256)

= sqrt(265)

= 16.2788 mph

= 16.28 mph

From trigonometry ;

Tanθ = opposite / Adjacent

Tanθ = (16 / 3)

Tanθ = 5.333

θ = tan^-1(5.333)

θ = 79.379°

θ = 79.38°

6 0

3 years ago

This a 2 part question. F(x) is the graph shown.

Vlada [557]

Suppose f(x) is an even function. The range of g(x) = -3f(2x) is [-9, 3].

Suppose f(x) is an odd function. What is the range of 0.5f(x-3) is [-1.5, 0.5]

5 0

2 years ago

Consider the two functions:

Mademuasel [1]

Answer:

g(0) > f(0)

Step-by-step explanation:

Evaluate the functions at the point of interest: x=0.

g(0) = 20·1.5^0 = 20·1 = 20

f(0) = -40 . . . . from the table

Since 20 > -40, we conclude ...

g(0) > f(0)

8 0

3 years ago

Mikis ice cream parlor sold 345 scoops of ice cream on Saturday and 21 scoops on Sunday how many more were sold on Saturday then

svp [43]

345-21 is 324 so 324 more scoops

5 0

2 years ago

4xsquared - 9=0? could anyone help me solve this quadratic equation by FACTORING?

Verizon [17]

$\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\
4x^2-9=0\implies 2^2x^2-3^2=0\implies (2x)^2-3^2=0
\\\\\\\
[(2x)-3][(2x)+3]=0\implies 
\begin{cases}
2x-3=0\\
2x=3\\
x=\frac{3}{2}\\
------\\
2x+3=0\\
2x=-3\\
x=-\frac{3}{2}
\end{cases}$

7 0

3 years ago