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Semenov [28]
3 years ago
13

A race is 10 kilometers long. Markers will be placed at the beginning and end of the race-course and at each 500-meter mark. How

many markers are needed to mark the course for the race?
Type in the answer.
Mathematics
2 answers:
Doss [256]3 years ago
5 0
The correct answer is 20. They're 20 markers in total! Hope I helped, and good luck!

olga55 [171]3 years ago
3 0
20 Markers in total. There are 10000 meters in 10 kilometers. how many times does 500 go into 10000? 20 times
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Convert this number given in standard form into scientific notation. 0. 0000069 What is the value in scientific notation? 0. 69
Len [333]

Scientific notation is used so that the order of the number is known in first glance. The value of the given number in scientific notation is given by: Option B: 6.9 \times 10^{-6}

<h3>How does scientific notations work?</h3>

The number is written in the form a \times 10^b where we have 1 \leq a < 10

The number b shows the order, which is the most important figure for which scientific notation is used. It tells us how much order large or small a value is in powers of 10. We can for a time, ignore the value of 'a' for two comparable quantities and only compare their orders(this type of comparison is useful when difference is too big, like size of human to size of a star etc sort of comparisons).

Scientific notations have some of the profits as:

  • Better readability due to compact representation
  • Its value in terms of power of 10 is known, which helps in easy comparison of quantities differing by a large value.


For the given case, the number in consideration is 0.0000069

Rewriting it in fraction form, we get:

0.0000069  = \dfrac{69}{10000000} = \dfrac{69}{10^7} = 69 \times 10^{-7} = 6.9 \times 10 \times 10^{-7}\\\\0.0000069  =  6.9 \time 10 ^{-7 +1} \\0.0000069  = 6.9\times 10^{-6}

(we used two facts: first that : \dfrac{a}{b} = a \times \dfrac{1}{b}

and second that: a^{-b}= \dfrac{1}{a^b}

Thus, the value of the given number in scientific notation is given by: Option B: 6.9 \times 10^{-6}

Learn more about scientific notations here:

brainly.com/question/3112062

8 0
2 years ago
. A soccer team played 32 games. If they won 25% of them, how many games did the team win?V
Bas_tet [7]

Answer:

8\ games

Step-by-step explanation:

Let

x----->number of games won by the football team

we know that

25\%=25/100=0.25

so

x=0.25(32)=8\ games

8 0
2 years ago
If you miss a payment for a bill, how do you compute the interest due on the next bill?
Vladimir79 [104]

Answer:

Late fees can only be as high as your minimum payment or $25

Example

it’s the 15th day of the month and you realize you didn’t make the credit card payment that was due three days ago on the 12th. Or, you check your billing statement to find a late fee for a payment you thought you made but turns you forgot to drop the check in the mail. An accidentally missed payment can happen to anyone. Act quickly and you may be able to lessen the damage.

Make the payment as soon as you can  

If you catch the missed payment a few days after the due date, make it up before your next billing statement comes. Doing this will prevent a late payment being reported to the credit bureaus. Creditors report typically report delinquent payments once they become at least 30 days late, so make your payment before your delinquency reaches the 30-day mark.

When you go through a period of financial difficulty, your bill-paying problems — specifically, payments made late or missed altogether — will show up on your credit record and hurt your credit rating.

As soon as you miss a payment or know that you’re going to miss one, call your lender. Doing so may help minimize the damage to your credit rating and can help avoid collection calls.

Check your account online and you’ll probably see that a late fee has already been added; some card issuers add the late fee just minutes after the cutoff time on your due date. Late fees can only be as high as your minimum payment or $25, assuming you haven’t been late in the previous six months. Despite the recent cap on late fees, you still want to avoid the fee if you can and you should definitely try.

Many creditors are willing to waive a late fee as long as you’re not habitually late on payments. Contact your creditor, briefly explain how the missed payment was an accident, and ask that your late fee is waived. If your creditor won’t budge on the fee, don’t press the issue. Simply take it as a lesson learned, pay the fee, and be sure to send your payment on time next month and every month thereafter.


6 0
3 years ago
Read 2 more answers
According to the histogram of travel times to work from the US 2000 census (Page 6 of "Journey to Work: 2000"), roughly what per
erastovalidia [21]

Histograms are used to represent data, where the length of each bar represents the frequency of the data element

The histogram is not given; So, I will give a general explanation.

Assume that the number of commuters that travel more than 45 minutes is 450, while the total number of commuters surveyed is 500.

The percentage of commuters that travel more than 45 minutes is the quotient of the commuters that travel more than 45 minutes and the total number of surveyed commuters.

So, we have:

\%Percentage = \frac{450}{500}

Divide 450 by 500

\%Percentage = 0.9

Express as percentage

\%Percentage = 90\%

Hence, the percentage of commuters that travel more than 45 minutes is 90%

Read more about histograms at:

brainly.com/question/2776232

7 0
2 years ago
A printer makes more than 3 copies of a book every hour. How many books can the printer make in 4 hours?
sineoko [7]

Answer:

12

Step-by-step explanation:

4 x 3 is 12

7 0
2 years ago
Read 2 more answers
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