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snow_tiger [21]
2 years ago
7

Simplify:

5} }" alt="\sqrt{\frac{144}{25} }" align="absmiddle" class="latex-formula">.
Mathematics
2 answers:
xenn [34]2 years ago
8 0

Answer:

\frac{12}{5}

Step-by-step explanation:

\sqrt{\frac{144}{25}}=\frac{\sqrt{144}}{\sqrt{25}}=\frac{12}{5}

Sophie [7]2 years ago
4 0

Given term:

\sqrt{\dfrac{144}{25} }

This term can also be written as;

\implies \sqrt{\huge\text{(}\dfrac{144}{25} \huge\text{)}}

Clearly, we can see that 144 and 25 are perfect squares. Then,

\implies\sqrt{\huge\text{(}\dfrac{12^{2} }{5^{2} } \huge\text{)}}

According to an exponent property, (a²/b²) = (a/b)². Then,

\implies\sqrt{\huge\text{(}\dfrac{12}{5} \huge\text{)}^{2} }

Since 12/5 is being squared inside the root, we can remove the squared symbol and take out 12/5 from the root. Then we get;

\implies\sqrt{\huge\text{(}\dfrac{12}{5} \huge\text{)}^{2} } \ =  \ \dfrac{12}{5} \ = \ \boxed{2.4}

Therefore, the simplified term is 2.4.

Learn more about this topic; brainly.com/question/11710437

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A function f(x) is graphed on the coordinate plane.
Naddik [55]

Answer:

f(x)=2.5x+1

Step-by-step explanation:

we know that

The linear function in slope intercept form is equal to

f(x)=mx+b

where

m is the slope

b is the y-intercept (value of y when the value of x is equal to zero)

we have the points

(-0.4,0) and (0,1)

<em>Find out the value of m</em>

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the values

m=\frac{1-0}{0+0.4}

m=\frac{1}{0.4}=2.5

The y-intercept is the point (0,1)

therefore

b=1

substitute the values in the linear equation in slope intercept form

f(x)=2.5x+1

7 0
3 years ago
Read 2 more answers
A person in a casino decides to play 3 games of blackjack. let w denote a win and l denote a loss. define the event a as "the pe
Ann [662]

Answer: The answer is {(w, l, l), (w, w, l), (w, l, w), (w, w, w), (l, l, w), (l, w, l), (l, w, w)}.



Step-by-step explanation: Given that a person in the casino is going to play 3 games of blackjack. Here, 'w' denotes a win and 'l' denotes a loss.  

Also, let 'A' be the event that the person wins at least one game of blackjack. Then, the outcomes of Event 'A' are

(i) win in 1st game     loss in 2nd game       loss in 3rd game

(ii) win in 1st game     win in 2nd game        loss in 3rd game

(iii) win in 1st game     loss in 2nd game       win in 3rd game

(iv) win in 1st game     win in 2nd game        win in 3rd game

(v) loss in 1st game     loss in 2nd game       win in 3rd game

(vi) loss in 1st game     win in 2nd game        loss in 3rd game

(vii) loss in 1st game     win in 2nd game       win in 3rd game

Thus, the outcomes of the event A are (w, l, l), (w, w, l), (w, l, w), (w, w, w), (l, l, w), (l, w, l) and (l, w, w).

Thus, A = {(w, l, l), (w, w, l), (w, l, w), (w, w, w), (l, l, w), (l, w, l), (l, w, w)}.


5 0
3 years ago
Calcula para la razón trigonométrica considerando la razón correspondiente del ángulo opuesto:Sen (-45º)
Lostsunrise [7]

Answer:

sen(-45^{o})-\frac{\sqrt{2}}{2}

Step-by-step explanation:

Para resolver este problea podemos comenzar con las identidades pares e impares, las cuales nos dicen que:

sen(-u)=-sen(u)

por lo que podemos reescribir nuestro problema como:

sen(-45°)=-sen(45°)

Luego podemos tomar los triángulos comunes (ver imagen adjunta).

y calcular la razón de seno en donde:

sen \theta = \frac{opuesto}{hipotenusa}

para obtener:

sen(-45^{o})=-\frac{1}{\sqrt{2}}

ahora podemos racionalizar la fracción para obtener:

sen(-45^{o})=-\frac{1}{\sqrt{2}}*\frac{\sqrt{2}}{\sqrt{2}}

sen(-45^{o})=-\frac{\sqrt{2}}{2}

7 0
3 years ago
11. Mir. Ed earns $14.50 per hour. His regular hours are 40 hours per week, and he
faust18 [17]

Answer:

$688,75

Step-by-step explanation:

Mr Ed has for the week 40 hours in regular time because thats the agreement for him and the company, it means any other working hour is over time.

If Mr Ed has 45 hours for this week, 40 hours are regular time and 5 hours are over time for wich he receives 1,5 times his pay per hour

=(40x14,50)+(5x1,5x14,50)

=$688,75

3 0
3 years ago
What number lies between 7x8/10=
zzz [600]
The number that lies between that is 7
3 0
3 years ago
Read 2 more answers
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