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daser333 [38]
3 years ago
14

A discount store bought two dozen cameras for $14 each.

Mathematics
1 answer:
____ [38]3 years ago
6 0

Answer:

72.24

Step-by-step explanation:

Price for each camera = 14

Number of camera = 2dozen = 12 x 2 = 24

Total cp = 24 x 14 = 336

~~~~~~~~~~~~~~

Price for each camera=  10.99

Number of cams = 24

Total sp = 10.99 x 24 = 263.76

Loss = 336 - 263.76  = 72.24

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Use the Bisection Method to find √ 2 correct to roughly within 10^−2 . (Hint: Consider f(x) = x^2 − 2 on [1, 2])
Sidana [21]

Answer:

Using the Bisection Method \sqrt{2} \approx 1.4106

Step-by-step explanation:

These are the steps for the Bisection Method:

Suppose we need a root for f(x) = 0 and we have an error tolerance of ε

  1. Find two numbers a and b at which the function has different signs
  2. Define c=\frac{a+b}{2}
  3. if b-c\leq \epsilon then accept c as the root and stop
  4. if f(a)f(c)\leq 0 then set c as the new b. Otherwise, set c as the new a. return to step 1.

We know from the information given that

  • The function is x^2-2=0
  • ε = 0.01

Applying the steps of the Bisection Method you get:

1. There is a root between [1,2] because:

f(1)=1^2-2=-1\\f(2)=2^2-2=2

2. Define c=\frac{1+2}{2}=1.5

3. 2-1.5\geq 0.01

4. Because f(1)\cdot f(1.5) = -0.25 we set 1.5 as the new b.

The bisection algorithm is detailed in the following table.

Note that after 7 steps we have b-c=0.0078 \leq 0.01 hence the required root approximation is c = 1.4106

5 0
3 years ago
The height y (in feet) of a toss in bocce ball can be modeled by y=-x^2+4x, where x is the horizontal distance (in feet)
Ber [7]
4 feet, the X-intercept tells us the value of X, aka how far the ball landed from 0
6 0
3 years ago
Anyone knows the answer
Rufina [12.5K]
When a number has a negative exponent, that means it's on the wrong side of the fraction bar. So since it is 3^-1 , it is equivalent to 1/3.

So 1/3 is 0.333
And 1/4 is 0.25

1/3 > 1/4

hope this helped C:
3 0
3 years ago
What is the distance between the two numbers given below? 4/9 and -2/9 (simplified)
lubasha [3.4K]

I will try my best to assist you with your question.

4/9 to -2/9 = -2/3

Show work!

_____________________________

4/9 -4/9 = 0/9

0/9 + (-2/9) =-2/9

-4/9+-2/9= -6/9

-6/9=-2/3

The answer is -2/3

Hope I helped!

Good Luck!

8 0
3 years ago
a rectangular park is 45m long and 30m wide.A path is 2.5 on constructed outside the park find the area of the park​
vlada-n [284]

Answer:

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6 0
3 years ago
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