4 years ago

Solve the system: 2x – 6y + 4z = 3 -3x + 9y – 6z = -3 5x – 15y + 10z = 5

1 answer:

5 0

Answer:

Step-by-step explanation:

i hope this is right, I did the math

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Margarita [4]

X(x+18) <= 175
x^2+18x-175 <= 0 
(x+25)(x-7) <= 0 
So, -25 <= x <= 7 
Or, for real-world tables,

6 0

4 years ago

lora16 [44]

It’s the first one .

thank you

4 0

2 years ago

natka813 [3]

Answer:

7.9982

Step-by-step explanation:

-The function for an earthquake's magnitude is given by R = 0.67log(0.37E) + 1.46

-E is energy in kwh.

#For 15,500,000,000 kilowatt hours the magnitude would be:

$R = 0.67\ log(0.37E) + 1.46,\ \ E=15,500,000,000 \ kwh\\\\\therefore R=0.67 \ log(0.37\times 15,500,000,000)+1.46\\\\\\=7.9982$

Hence, the earthquakes magnitude is 7.9982

7 0

4 years ago

Ganezh [65]

Answer:

$\frac{6}{7}$

Step-by-step explanation:

SInce she used $\frac{1}{6}$ of it we will divide $\frac{1}{7}$ by $\frac{1}{6}$

$\frac{1}{7}/ \frac{1}{6}=\frac{6}{7}$

5 0

3 years ago

IceJOKER [234]

1 inch is 2.54 centimeters,

5 0

3 years ago