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Minchanka [31]
3 years ago
13

PLEASE HELP!!!!!!!! FIRST TO ANSWER WILL GET BRAINLIEST!!!

Mathematics
1 answer:
liraira [26]3 years ago
3 0

Answer:

Step-by-step explanation:

A2+B2=C2

2(2)+2(2)=C2

4+4=C2

8=C2

C= About 2.8

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PLEASE HELP !! I'LL GIVE YOU BRAINLIEST !!
GuDViN [60]

Answer:

B

Step-by-step explanation:

tan45° = 10/x

=> 1 = 10/x

=> x = 10

=> y^2 = 10^2 + 10^2 = 200

=> y = 100*sqrt(2)

=> b

5 0
2 years ago
What % is 4485.00 of 28386.00 ?
tester [92]
Just an 15% 15.8% to be exact
3 0
3 years ago
Read 2 more answers
4. Tristan has a total of 30 dimes & nickels. The total value
adelina 88 [10]

Answer:

x/2 + x = 30 -> $2.50

20/2 + 20 = 30

X = 20, therefore:

dimes = 20

nickels = 10

4 0
3 years ago
Read 2 more answers
Calculate two iterations of Newton's Method for the function using the given initial guess. (Round your answers to four decimal
pickupchik [31]

Answer:

The first and second iteration of Newton's Method are 3 and \frac{11}{6}.

Step-by-step explanation:

The Newton's Method is a multi-step numerical method for continuous diffentiable function of the form f(x) = 0 based on the following formula:

x_{i+1} = x_{i} -\frac{f(x_{i})}{f'(x_{i})}

Where:

x_{i} - i-th Approximation, dimensionless.

x_{i+1} - (i+1)-th Approximation, dimensionless.

f(x_{i}) - Function evaluated at i-th Approximation, dimensionless.

f'(x_{i}) - First derivative evaluated at (i+1)-th Approximation, dimensionless.

Let be f(x) = x^{2}-8 and f'(x) = 2\cdot x, the resultant expression is:

x_{i+1} = x_{i} -\frac{x_{i}^{2}-8}{2\cdot x_{i}}

First iteration: (x_{1} = 2)

x_{2} = 2-\frac{2^{2}-8}{2\cdot (2)}

x_{2} = 2 + \frac{4}{4}

x_{2} = 3

Second iteration: (x_{2} = 3)

x_{3} = 3-\frac{3^{2}-8}{2\cdot (3)}

x_{3} = 2 - \frac{1}{6}

x_{3} = \frac{11}{6}

7 0
3 years ago
Paul burned 65 calories in 15 minutes. How many calories did he burn in 1 hour? Please show how got to your answer!
stira [4]

Answer:

65 calories=15 minutes

Find how many minutes it will take Paul to born 1 calory. You divide 65 by 15

65÷15=4.333

Find how many calories lost in 1 hour= 60 minutes multiply by 4.3

60*4.333=260 calories

Therefore,

Paul burns 260 calories in 1 hour

7 0
3 years ago
Read 2 more answers
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