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3 years ago

Which value of x is a solution to this equation 5x^2-36x+36=0

Mathematics

2 answers:

Svetach [21]3 years ago

6 0

Answer:

x = 6/5 , -6

Step-by-step explanation:

5x² - 36x + 36 = 0

( 5x - 6 ) ( x + 6 ) = 0

x = 6/5 , -6

Can I get brainliest

DanielleElmas [232]3 years ago

5 0

Answer:

Exact Form:

x = 6 5 , 6

Decimal Form:

x = 1.2 , 6

Mixed Number Form:

x = 1 1 /5 , 6

Step-by-step explanation:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

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The probability that a certain kind of component will survive a shock test is 3/4. Find the probability that exactly 2 of the ne

Marina86 [1]

Answer:

Therefore the required probability is $=\frac{27}{128}$

Step-by-step explanation:

The probability of success is $\frac{3}{4}$

The number of trial = 4

X= the items survive out of 4

$P(x=r)=^nC_rq^{n-r}p^r$ p =the probability of success and q = the probability failure.

p= $\frac{3}{4}$ and $q=(1-\frac{3}{4})=\frac{1}{4}$

$\therefore P(X=2)=^4C_2(\frac{1}{4} )^2(\frac{3}{4} )^2$

$=\frac{4!}{2!2!} (\frac{1}{16} )(\frac{9}{16} )$

$=\frac{27}{128}$

Therefore the required probability is $=\frac{27}{128}$

3 0

3 years ago

Quick help guys thanks :)

Sonbull [250]

Answer:

$\large\boxed{t^{-58}u^{-88}v^{-71}w^{-1}}$

Step-by-step explanation:

$\dfrac{tuv^4w^0}{t^{59}u^{89}v^{75}w}\qquad\text{use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\=t^{1-59}u^{1-89}v^{4-75}w^{0-1}=t^{-58}u^{-88}v^{-71}w^{-1}$

8 0

3 years ago

A meeting lasted from 11:15 am until 1:00 pm. how long was the meeting?

Evgen [1.6K]

A meeting lasted from 11:15 am until 1:00 pm. how long was the meeting?
We have 1:00 pm= 13.00
13.00-11.15= 1.45
The meeting was 1 hour and 45 minutes

8 0

3 years ago

3) Margarita manejó 429 km: 42 en la ciudad y el resto, en la autopista.

12345 [234]

Answer:

Margarita gastó $40.43.

Step-by-step explanation:

Tenemos la siguiente información.

km recorridos por Margarita

42 km - ciudad

387 km - autopista

Rendimiento del carro

1 galon cada 28 km - ciudad

1 galon cada 36 km - autopista

Hacemos el siguiente factor de conversión

Ciudad

$42 km \times \frac{1\: galon}{28\: km}=1.5\: galones$

Autopista

$387 km \times \frac{1\: galon}{36\: km}=10.75\: galones$

Ahoa, se sabe que 1 galon cuesta $3.30. Por lo tanto, el costo de viaje será:

Total galones = 1.5 + 10.75 = 12.25 galones

Total costo = 3.30*12.25 = $40.43.

Espero te haya servido!

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2 years ago

What is the slope of the line below? * (0.6) (-30)

Tamiku [17]

Answer:

Step-by-step explanation:

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3 years ago