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FrozenT [24]
2 years ago
10

Jack estimates that a piece of wood measures 4.5 cm. If it actually measures 4.72 cm, what is the percent error of Jack’s estima

te? (Show all of your work)
Mathematics
1 answer:
yarga [219]2 years ago
6 0

Answer:

ion

Step-by-step explanation:srry

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Write - 1/14, 7/9,-4/5 in order from bet<br> to<br> greatest
klemol [59]

Answer: you mean less to greatest

-1/14, -4/5, 7/9

Step-by-step explanation:

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3 years ago
Can I get help on this question please !!
Mademuasel [1]
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3 years ago
Use your calculator to find the smallest solution to <img src="https://tex.z-dn.net/?f=-5e%5E%7B-4x%2B2%7D%2B3%3D%5Cfrac%7B1%7D%
Andru [333]
I read this as -5e⁻⁴ˣ⁺²+3=½log₁₀(x²+1).
If this is not right the steps below can guide you to a possible solution when the correct formula is used.
My calculator is a Casio fx-85GT PLUS which has a function facility (MODE 3: TABLE).
I input the function: -5e⁻⁴ˣ⁺²+3-½log₁₀(x²+1). I assumed that log was log to base 10 rather than natural log ln.
The facility asks me to input a start value, end value and step value. I chose -10, 10 and 1 initially.
After a few seconds of evaluating a table of results the calculator showed me the results of plugging in x=-10 up to 10 in steps of 1.
The results showed the evaluation for each of the 21 values and I looked for the sign of the result to change.
For x=0 the result was -33.95 approx and for x=1 it was 2.1728 approx. So between 0 and 1 there is a zero, a solution for x.
I returned to the function and changed the parameters to start=0, end=1, step=0.1 to begin the next evaluation.
This time the sign change occurred between x=0.6 and 0.7.
I returned to the function with parameters: start=0.6, end=0.7, step=0.01.
The sign change occurred between 0.63 and 0.64, the start and end parameters with step=0.001 for the next iteration.
The solution is between 0.633 and 0.634.
Repeat the process one more time with step=0.0001. The sign change was between 0.6338 and 0.6339 so the solution to three dec places is 0.634.
7 0
3 years ago
A car travels 30 – miles in
hodyreva [135]

Answer:

45.3 miles/h

Hope this will help you

Step-by-step explanation:

5 0
3 years ago
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Please help! I will give Brainliest!
lubasha [3.4K]

Answer:

a

Step-by-step explanation:

3/15 simplifies to 1/5

8 0
3 years ago
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