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12345 [234]
2 years ago
6

The decimal 1,645.43 rounded to the nearest whole number is​

Mathematics
1 answer:
Margarita [4]2 years ago
5 0

Answer:

1,645

Step-by-step explanation:

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The cost of a ticket increases by 10% to £18.15<br> Work out the original cost.
Licemer1 [7]

Answer:

£16.50

Step-by-step explanation:

x \times (1+\frac{10}{100} )=18.15

x \times \frac{110}{100} =18.15

\frac{110}{100} x=18.15

1.1x=18.15

\frac{1.1x}{1.1}=\frac{18.15}{1.1}

x=16.5

7 0
3 years ago
Read 2 more answers
Find the value of x.<br><br> Please help and can somebody tell me how to find x?
Olegator [25]

Answer:

x = 75°

Step-by-step explanation:

Sum of the interior angles of a triangle = 180°

Therefore,

78° + 27° + x° = 180°

Add like terms

105 + x = 180

105 + x - 105 = 180 - 105 (substraction property of equality)

x = 75°

4 0
3 years ago
Alejandro uses the steps below to convert StartFraction 5 over 8 EndFraction to a percent. Five-eighths right arrow 8. 0 divided
adoni [48]

Alejandro makes an error in the first steps he divides 8 by 5 which is incorrect he has to divide 5 by 8, and in the second step, he does not multiply the term by 100 and it can be determined by using fraction or percentage.

<h2>Given that,</h2>

Alejandro uses the steps below to convert 5/8 to a percent.

8 divided by 5 = 1.6.,

1.6 = 160 percent

<h3>We have to determine,</h3>

Which best explains Alejandro's error?

<h3>According to the question,</h3>

Alejandro uses the steps below to convert 5/8 to a percent.

8 divided by 5 = 1.6.,

1.6 = 160 percent

The division was computed incorrectly.

The division was completed in the incorrect order. The decimal was moved to the right too many times.

The decimal was moved to the right instead of the left.

Alejandro uses the steps below to convert 5/8 to a percent.

To convert 5/8 into percentages following all the steps given below.

  • Step1; Firstly 5 is divided by 8,

                   = \dfrac{5}{8} \\\\ = 0.625

  • Step2; To convert 0.625 into percentage multiplied by 100,

                    \rm = 0.625 \times 100\\\\= 62.5 \ percent

Hence, Alejandro makes an error in the first steps he divides 8 by 5 which is incorrect he has to divide 5 by 8, and in the second step, he does not multiply the term by 100.

For more details about the Equation refer to the link given below.

brainly.com/question/18187260

7 0
2 years ago
Please help me this is due tonight
hram777 [196]
ANSWER:

Substitution prop of equality.

I'm not sure but I think this should be the answer.

Hope this helps! :)
8 0
3 years ago
Roshanda was curious if students in her class would complete a maze faster if fast-paced music was playing in the background. Sh
ch4aika [34]

Answer: (E) Not necessarily, because this wasn't an experiment

Step-by-step explanation:

As much as the results would suggest that the fast-paced music was responsible for the faster finishing time, this conclusion cannot be authoritatively made because this was not technically an experiment but rather a test to satisfy curiosity.

An experiment is planned and is scientific. It has more stringent requirements that ensure causation that Roshanda did not meet before she engaged in this trial so we cannot say for a fact that her findings are objective.

6 0
2 years ago
Read 2 more answers
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