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4 years ago

In a dog show, there will be a gold, a silver, and a bronze medal awarded. There are

Mathematics

2 answers:

Monica [59]4 years ago

8 0

A lot of ways medals can be awarded

VLD [36.1K]4 years ago

3 0

The correct answer is give the medal to the top 3 people

Hope this helps!

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When multiplying and dividing two numbers in scientific notation, why do u sometimes have to rewrite one factor ?

zalisa [80]

You sometimes need to rewrite a factor because the lead number is not between 1 and 10 as it needs to be in scientific notation. For instance, if we had lead numbers of 2 and 5, as we do in the following problem.

2x10^3 * 5x10^9

Then we get the answer of 10x10^12. We need to adjust this by moving the decimal place and increasing the exponent by 1. The correct answer would be 1x10^13 instead.

5 0

3 years ago

Read 2 more answers

Corinne made a deposit of $6,000 into an account with a simple interest rate of 5%. How much interest will be in the account aft

oksian1 [2.3K]

Answer:

$8,864.73

Step-by-step explanation:

Base amount: $6,000.00

Interest Rate: 5% (yearly)

Effective Annual Rate: 5%

Calculation period: 8 years

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3 years ago

In a group of 21 students, 8 students take Art courses, 7 students take Music courses. Two students take both courses. A student

Blababa [14]

Since two people take both courses, we can subtract two from 7, 8, and 21, giving us 5, 6, and 19.

Add 5 and 6 together to get 11. Since eleven students are in those two groups, we can answer this. The answer will be 11/19.

3 0

3 years ago

You change oil every 6000 miles and drive 2000 miles a month; how many times a year do you change oil?

dlinn [17]

Answer:

you would change it 4 times a year

Step-by-step explanation:

if there is 12 months in a year and 3 mounths equal 6000 then divide 12/3=4

8 0

3 years ago

Jenny James has score of 78 89 90 and 96 on her first four test what score should she make out of 100 points in order to have at

balu736 [363]

Answer:

Jenny James would need to have a score of 97 out of 100 points in order to have an average of 90.

Step-by-step explanation:

Given that:

Scores of four tests

78, 89, 90 and 96

Let,

x be the score on fifth test.

Average is the sum of quantities divided by total number of quantities.

Average = 90

Average = $\frac{Sum\ of\ scores}{No.\ of scores}$

Putting the values in the formula;

$90=\frac{78+89+90+96+x}{5}\\90=\frac{353+x}{5}\\90*5=353+x\\450=353+x\\450-353=x\\x=97$

Hence,

Jenny James would need to have a score of 97 out of 100 points in order to have an average of 90.

8 0

3 years ago