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Usimov [2.4K]
3 years ago
14

Maria decides to increase her homework time of 8 hours per week by 15% Calculate her new homework time. Give your answer in hour

s and minutes
Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0

Answer:

Maria's homework time is now 9 hours 12 minutes.

Step-by-step explanation:

Since Maria decides to increase her homework time by 15%.

Then,

15% of 8 hours = \frac{15}{100} x 8 hours

                        = 0.15 x 8 hours

                        = 1.2 hours

(Note that: 1.2 hours = 1 hour 12 minutes)

15% of 8 hours = 1 hour 12 minutes

her new homework time = 8 hours + 1 hour 12 minutes

                              = 9 hours 12 minutes

Maria's homework time is now 9 hours 12 minutes.

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Which of these options best describes backtracking, in a maths sense?
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Answer:

1. Re-writing an equation to remove all the variables.

Step-by-step explanation:

Backtracking is the procedure required for solving problems that has series of parts combined as one. It involves the retracing each part after one or two parts has been solved to solve the whole problem.

In mathematics when given an equation with variables, the solution can be obtained by calculating the values of each variable. To determine the final solution sometimes requires substitution procedure.

The best option that describe backtracking in maths-sense is; re-writing an equation to remove all the variables.

7 0
3 years ago
Solve the following IBVP​
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Answer:

b or c

Step-by-step explanation:

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3 years ago
A stem and leaf plot titled High Temperatures in degrees Fahrenheit. The stems are 4, 5, 6, 7. The first column of leaves are 9,
ad-work [718]

Answer:

The temperature with the highest frequency is 54

Step-by-step explanation:

Given

The above data

Required

The temperature with the highest frequency

The first step, is to plot the stem and leaf plot.

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Next, is to identify the leaf with the highest frequency.

The leaf is 4 (with frequency 2)

Next, is to identify the accompanying stem of the leaf

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<em>Hence, the temperature with the highest frequency is 54</em>

5 0
3 years ago
Read 2 more answers
Marissa is 8 years older than lance. next year, lance will be 3 times lances age. how old is lance?
olga2289 [7]

Answer:

The answer would be 3

Step-by-step explanation:

This is because, hope this makes sense, Shes 8 years older and the answer choices were: 3, 4, 11 and 12, well 3+8=11 and it says next year she will be 3 times his age, still being 8 years older, next year lance will be 4 and whats 3 years times 4, twelve. And whats 8 years older than four 12. Hope this makes sense but it has to be 3.

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3 years ago
#1) Mrs. Ebanks planted two trees on a
uranmaximum [27]

Answer:

D = 12.94 m

Step-by-step explanation:

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We need to find the distance between the two trees. We can find it using distance formula for coordinates as follows :

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