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murzikaleks [220]
2 years ago
14

Jacob is solving the equation below using successive approximations.2^x-4=3^-x-2 He started from a graph where he found the solu

tion to be between 1 and 2. Using the lower and upper bounds from the graph, Jacob did the following work for the first iteration. Step 1 Rewrite the equation so that it equals zero on one side. Step 2 Evaluate the rewritten equation at the lower and upper bounds. To find the solution that lies between 1 and 2, set these values as the lower and upper bounds while finding the solution. Step 3 Take the average of the lower and upper bounds. Step 4 Evaluate the rewritten equation at x = . Step 5 Since this value is positive, replace the previous lower bound so that the bounds are now x = and x = 2. Where did Jacob make a mistake, and what was the error?
Mathematics
2 answers:
Shalnov [3]2 years ago
5 0

Answer:

jacob made no mistakes

Step-by-step explanation:

trasher [3.6K]2 years ago
4 0

I think he made a mastake a step 3

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Liam is swimming at 3 kilometers per hour. How long will it take Liam to travel 4.5 kilometers?
kkurt [141]
Answer:

One hour and thirty minutes.

Explanation:

3km = 1 hour

1.5km = 30 min (half of distance, half of time)

4.5km = 1 hour and 30 min
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D. is the correct answer, hope this helps!


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At a particular restaurant, each onion ring has 45 calories and each slider has 325 calories. A combination meal with onion ring
AlladinOne [14]

Answer:

There were 6 onion rings and 2 slider in the combination meal.

Step-by-step explanation:

Let x be the number of onion rings and y be the number of slider.

Calories in one onion ring = 45 calories

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Total number of calories = 920

Thus, we can write the equation:

45x + 325y = 920

There are 3 times as many onion rings as the sliders.

Thus, we can write the equation:

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Solving the two equation by substitution method, we get,

45(3y) + 325y = 920\\460y = 920\\y = 2\\x = 3y = 3(2) = 6

Thus, there were 6 onion rings and 2 slider in the combination meal.

7 0
2 years ago
Sven is trying to find the maximum amount of time he can spend practicing the five scales of piano music he is supposed to be wo
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Answer:

He should spend 3 minutes or less on each scale

Sven made a mistake in the symbol of inequality, placing lesser or equal instead of greater or equal

Step-by-step explanation:

Let

t ------> is the number of minutes he spends on each scale

Remember that the phrase "at least"  is equal to "greater than or equal"

so

The inequality that represent this scenario is

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solve for t

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-5t \geq -15

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Sven is incorrect

He should spend 3 minutes or less on each scale

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5 0
2 years ago
Tyler has a rectangular garden measuring 12m by 20m that he wants to split diagonally from corner to corner using a fence. How l
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Length of diagonal of the rectangle=

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1 year ago
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