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3 years ago

Graph the following f(x)= -|x| +3

Mathematics

1 answer:

Tems11 [23]3 years ago

8 0

basically, you have the transformations of 180 rotation about the x- axis and moving up 3 places. so first you would graph your parent fuction of lxl and then apply these transformations and your graph would look like the picture

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Rationalize <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B2%20%5Csqrt%7B7%7D%20%2B%203%20%5Csqrt%7B3%7D%20%20%7D%20"

Ivahew [28]

$\dfrac{1}{2 \sqrt{7} + 3 \sqrt{3} }$

$= \dfrac{1}{2 \sqrt{7} + 3 \sqrt{3} } \times \dfrac{2 \sqrt{7} - 3 \sqrt{3}}{2 \sqrt{7} - 3 \sqrt{3}}$

$=\dfrac{2 \sqrt{7} - 3 \sqrt{3}}{(2\sqrt{7})^2 - (3\sqrt{3})^2}$

$=\dfrac{2 \sqrt{7} - 3 \sqrt{3}}{28 - 27}$

$=\dfrac{2 \sqrt{7} - 3 \sqrt{3}}{1}$

$=2 \sqrt{7} - 3 \sqrt{3}$

6 0

3 years ago

2 + yx; use x = 6, and y = 5

Brrunno [24]

Answer:

answer: 32

Step-by-step explanation:

2+5*6

=32

4 0

3 years ago

there are 10 less trumpet players than saxophone players. The number if saxophone players is 3 times the number of trumpet playe

cluponka [151]

Answer: There are 5 trumpet players and 15 saxophone player

Step-by-step explanation: Let a be the number of trumpet players 

Let b be the number of saxophone players 

--------------------- 

(1) a = b-10 

(2) b =3a 

---------------- 

Substitute 

(2) into (1) 

(1) a =3a-10 

(1) 2a =10 

 

 (1) a = 5and 

(2) b = 3(5)(2) 

b = 15 

------------------ 

There are 5 trumpet players and 15 saxophone player

5 0

3 years ago

Write the decimal in expanded form using Powers of 10 with exponents. 562.816

Firdavs [7]

562.816 = 5×10² +6×10¹ +2×10⁰ +8×10⁻¹ +1×10⁻² +6×10⁻³

_____

Comment on this problem

Understanding this representation of place value goes a long way toward understanding scientific notation. It also helps understanding of numbers written in bases other than 10.

8 0

4 years ago

An elevator containing 3 people can stop at any of the five floors. What is the probability that no two people get off at the sa

olasank [31]

Answer:

48%

Step-by-step explanation:

We have 3 people and 5 floors

We can't have two or more people leaving in the same floor.

So, the first person to leave has 5 possibilities (all 5 floors)

Then, the second person will have only 4 possibilities, as this person can't leave in the same floor as the first one.

Lastly, the third person will have only 3 options (the 3 remaining floors that weren't selected).

The total number of possible choices, without restrictions, is 5 possibilities for each person, so 5*5*5 = 125 combinations

The combinations we want is 5*4*3 = 60 combinations

So the probability of all people choosing different floors is 60/125 = 0.48 = 48%

4 0

3 years ago

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