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gayaneshka [121]
2 years ago
13

Please i need help ASAPWhat is the range? ​

Mathematics
1 answer:
Lena [83]2 years ago
8 0

Answer:

your range is -9 to positive 5

Step-by-step explanation:

range is how many numbers are in a squence for example i have 1 2 3 so my range is 1-3

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The number of students in Mrs. Patrick's piano class decreased by 15% in 2 years to 17 students. How many students did she have
guapka [62]

Answer:

20 students

Step-by-step explanation:

If the class decreased by 15%, the students that she has now (17) represents a percentaje of:

100% - 15% = 85%

so<u> the 17 students are 85% of what she had</u>:

Students         Percentage

      17          ⇒        85%

and we are looking for how many students she had 2 years ago, thus we are looking for the <u>100%</u> of students (the original number of studens). If we represent this number by x:

Students         Percentage

      17          ⇒        85%

      x          ⇒        100%

and we solve this problem using the <u>rule of three</u>: multiply the cross quantities on the table( 17 and 100) and then divide by the remaining amount (85):

x = 17*100/85

x = 1700/85

x=20

2 years ago she had 20 students

6 0
3 years ago
??help me please now
mel-nik [20]

Answer:

x^2+10x+24

Step-by-step explanation:

(x+6)×(x+4)

=x^2+4x+6x+24

=x^2+10x+24 (ans)

7 0
3 years ago
8(19-17) number- number
STatiana [176]

Answer:

16

Step-by-step explanation:

8(19-17)=8(2)=16

7 0
3 years ago
Can somebody help???
Oduvanchick [21]

Answer:

first box - 2.10

second box - 2.14

4 0
2 years ago
Read 2 more answers
Proportional relationships, please answer all of the parts! And please actually answer! Thank you!
damaskus [11]
This is most likely a proportional relationship because DOUG regularly mows his neighbors yard
4 0
3 years ago
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