MATHEMATICS MIDDLE SCHOOL

Why are SI units helpful for describing objects? A.
SI units make more sense than English units.





B.
SI units are standardized and understood globally.





C.
SI units are understood to be a sign of scientific accuracy.





D.
SI units are more reliable

Answers

Answer 1
Answer: the answer is C they are more accurate

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Dudes family used 24.5 gallons of gas to drive 548.8 miles how many miles did they drive for each gallon

Answers

to get this answer you take 548.8 and divide it by 24.5.
548.8/24.5= 22.4

so the dudes family drove 22.4 miles to every gallon. 
22.4 miles per gallon is your answer.

Are any of the places shown in the table closer than 1/2 mile to school

Answers


It's really hard to tell for anyone who can't see the table.
Sadly, you've left ALL of us in that awkward status.

Sum of 2 numbers is 150. The ratio is 3:2. What are the numbers

Answers

the numbers are 90 and 60. this is because with a ratio 3:2 and multiplying each # in our ratio by 30 gets us the numbers 90:60......

and adding 90 + 60 will get us 150

What is 8/11 in lowest terms.

Answers

8/11 9/10 are some examples of lowest terms
LowestTerm is a fraction that has the lowest termed. You will say if thefraction is in lowest term if the two has no common factor. Hope Ihelped.
It is already reduced to lowest terms because 11 cannot be reduced evenly but 8 can. So it is in its lowest terms.

A climber is on a hike.after 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

Answers

Answer:

75 feet per hour is the rate of change in altitude.

Step-by-step explanation:

A climber is on a hike. After 2 hours he is at an altitude of 400 feet.

After 6 hours, he is at an altitude of 400 feet.

We have to determine the average rate of change in altitude.

We know rate of change in altitude = \frac{\text{(Change in altitude)}}{\text{Change in time}}

= (700-400)/(6-2)

= (300)/(4)

= 75 feet per hour

Therefore, 75 feet per hour is the rate of change in altitude.
Average rate of change =
(change in height during some time) / (length of time for the change).

Change in height = (700 feet - 400 feet) = 300 feet

Time for the change = (6 hours - 2 hours) = 4 hours

Average rate of change = (300 feet) / (4 hours) = 75 feet per hour

What precent does this change $16 to $4

Answers

Answer:

Percentage change=75% .

Step-by-step explanation:

Given : $16 to $4    

To find:  What is the percent change .

Solution: We have given that   $16 to $4  .

Change = final value - initial value .

Change   = $16 - $4 

                  =$12

percentage change = (change)/(original value) *100

                               =    (12)/(16) *100

On dividing both number by 4

percentage change=. (3)/(4) *100

percentage change=. [tex]\frac{300}{4} .

percentage change=75% .

Therefore, percentage change=75% .
The percent change is 25%,because 4 divided by 16 is 0.25,and to convert a decimal to a percent,I multiplied 0.25 by 100,and the product,(the answer when 2 or more numbers are multiplied)was 25 and then i added the percent sign to 25,and so the percentage is 25%
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