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3 years ago

X²=361/100, please help

Mathematics

2 answers:

Lemur [1.5K]3 years ago

7 0

Step-by-step explanation:

${x}^{2} = \frac{361}{100} \\ x = \sqrt{ \frac{361}{100} } = \frac{19}{10} = 1.9 \\ thank \: you$

navik [9.2K]3 years ago

5 0

Answer would be 3.61.

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3 years ago

The sum of Jim's weight and Bob's weight is 180 pounds. If you subtract Jim's weight from Bob's weight, you get half of Bob's we

Furkat [3]

Answer:

120 pounds

Step-by-step explanation:

We can use systems of equations to solve this problem. Assuming j is Jim's weight and b is Bob's weight, the equations are:

j + b = 180

b - j = 1/2b

Let's get b - j = 1/2b into standard form (b, then j, then the equal sign, then the constant.)

$b - j = \frac{b}{2}\\\frac{b}{2} - j = 0$

Now we can solve using the process of elimination.

$b + j = 180\\\\\frac{b}{2} - j = 0\\\\b + \frac{b}{2} = 180\\\\b + b \cdot 2 = 180\cdot 2\\3b = 360\\b = 120$

Now we know how much Bob weighs, for fun, let's find Jim's weight by substituting into the equation.

$120 + j = 180\\j = 180-120\\j = 60$

So Bob weighs 120 pounds and Jim weight 60 pounds.

Hope this helped!

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3 years ago

X²=361/100, please help ​

X²=361/100, please help