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bulgar [2K]
3 years ago
7

Simplify to create an equivalent expression.

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
7 0
The answer is D 25n-2
WINSTONCH [101]3 years ago
3 0

Answer:

D.

Step-by-step explanation:

The answer is D) -25n-2

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PLEASE HELP WITH MATH CONSTRUCTED RESPONSE!!
strojnjashka [21]

Answer:

  1. y = 0.937976x +12.765
  2. $12,765
  3. $31,524
  4. the cost increase each year

Step-by-step explanation:

1. For this sort of question a graphing calculator or spreadsheet are suitable tools. The attached shows the linear regression line to have the equation ...

... y = 0.937976x + 12.765

where x is years since 2000, and y is average tuition cost in thousands.

2. The y-intercept is the year-2000 tuition: $12,765.

3. Evaluating the formula for x=20 gives y ≈ 31.524, so the year-2020 tuition is expected to be $31,524.

4. The slope is the rate of change of tuition with respect to number of years. It is the average increase per year (in thousands). It amounts to about $938 per year.

5. [not a math question]

5 0
3 years ago
Clare is using little wooden cubes with edge length 1/2 inch to build a larger cube that has edge length 4 inches. How many litt
Lorico [155]

Answer: Clare would need 8 cubes.

               It's quite simple to get the answer for this, simply divide the edge lengths together

\frac{4}{1/2}

=\frac{4}{0.5}

= 8.

7 0
4 years ago
Read 2 more answers
Circle the possible values that satisfy each inequality!<br>​
RoseWind [281]

Answer:

25

Step-by-step explanation:

5 > x/5

5 × 5 > (x/5) × 5

25 > x

3 0
2 years ago
How to find the median with a easy explanation?
Westkost [7]

Answer:

Step-by-step explanation:

The median is the middle score of a distribution. To calculate the median

Arrange your numbers in numerical order.

Count how many numbers you have.

If you have an odd number, divide by 2 and round up to get the position of the median number.

If you have an even number, divide by 2. Go to the number in that position and average it with the number in the next higher position to get the median.

Consider this set of numbers: 1, 3, 3, 6, 7, 8, 9. Since you have an odd number of scores, the median (middle number) would be 6.

What happens when you have an even number of scores so there is no single middle score? Consider this set of numbers: 1, 2, 2, 4, 5, 7. Since there is an even number of scores, you need to take the average of the middle two scores, calculating their mean

in this case, the mean would be 2 + 4 (add the two middle numbers), which equals 6. Then, you take 6 and divide it by 2 (the total number of scores you added together), which equals 3. So, for this example, the median is 3.

6 0
3 years ago
-8v-12=4v+12 is it equal?
Wittaler [7]

Answer:

they are not equal

Step-by-step explanation:

-8v-12=-8v-12

4v+12=4v+12

but you can solve it as an equation

-8v-12=4v+12

make v the subject

-8v-4v=12+12

-12v=24

divide both sides by-12

your answer is-2

8 0
3 years ago
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