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Nataly [62]
3 years ago
13

During Tyler's 7th grade year, he read 25 books. In his 8th grade year, he read 30 books. Find the percent of change.​

Mathematics
1 answer:
raketka [301]3 years ago
3 0

Answer:

20%

Step-by-step explanation:

is the percent of change

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Simplifyng algebraic expressions<br><br>-2z-3w+7+8 use z=3 and w=9​
Anettt [7]

Answer:

-9

Step-by-step explanation:

Substitute 3 for <em>z</em><em> </em>and 9 for <em>w</em> in the equation.

- 2z - 3w + 7 + 8

- 2(3) - 3(9) + 15

- 6 - 18 + 15

- 24 + 15

- 9

7 0
3 years ago
Can someone pls help Write the following equation as a sentence: w = (15)(165)
strojnjashka [21]

Answer:

width equals fifteen times one hundred sixty five

is that right or is that ok or good enough?? sorry if i am wrong....

6 0
3 years ago
Read 2 more answers
I desperately need help​
Naya [18.7K]

Answ you need to find the slope using the coordinates. Then, you need to write the equation in Point-slope form and Slope-Intercept. (If ur teacher wants Standard Form do that too

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP AS SOON AS POSSIBLE
frutty [35]

Answer:

FALSE

TRUE

TRUE

Step-by-step explanation:

For 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.

Source: https://www.verywellmind.com/how-to-identify-and-calculate-the-mean-median-or-mode-2795785

So for April median: 2.5, 3, 3.5, 3.5 (since we have 4 numbers we divide by 2 and we count by 2 places from left. Since we have even number data, we average 3 with the next higher position to get the median so (3+3.5)/2 = 3.25

For May apply same concept and you get median to be 2.25.

Median difference is 3.25-2.25 = 1

Therefore, statement 1 is false and statement 2 is true.

For average in May, add all numbers and divide by the number of data points so May= (2.5+3+3.5+3.5)/ 4 = 3.13

Apply same concept you for April and you get 2.38 as mean.

Mean difference is 3.13-2.38 = 0.75

Therefore, statement 3 is correct (true)

4 0
3 years ago
1. How many degrees are in this angle, which is one-fourth of the circle?
spin [16.1K]

Answer: 90 degrees

Step-by-step explanation: A circle is 360 degrees so since that is 1/4 you can divide

360/4 = 90 (: hope this helps

8 0
2 years ago
Read 2 more answers
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