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Natalka [10]
4 years ago
12

7th grade class enrollment went from 80 students to 60 students. What was the percent decrease?

Mathematics
2 answers:
kherson [118]4 years ago
7 0
25% 25% is 20 and 20 is how much decreased out of 80.
Cloud [144]4 years ago
5 0

Answer:

25% decrease

Step-by-step explanation:

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Graph 7x+6y<42 7x+6y>-42
suter [353]
7x + 6y < 42
6y < -7x + 42
y < -7/6x + 7

slope = -7/6....y int = (0,7)...x int = (6,0)...it will be a dashed line...shading will be below the line....so start at (0,7)...and since the slope is -7/6...go down 7 spaces and to the right 6 spaces, and keep doing this and u will cross the x axis at (6,0)

7x + 6y > - 42
6y > -7x - 42
y > -7/6x - 7

slope = -7/6...y int = (0,-7)....x int = (-6,0)....line will be dashed....shading will be above the line...so start at (0,-7) and since the slope is -7/6...go down 7 spaces and to the right 6 spaces...keep doing this and u will cross the x axis at (-6,0)
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4 years ago
Y’all please help me with this I don’t understand
lakkis [162]

Answer: x=12

Step-by-step explanation:

3 0
3 years ago
Jess wants to spend less than
Wewaii [24]

The maximum number of packs Jess can buy is 3 packs.

8 0
2 years ago
-5x − 4 = -29<br> what is x
ipn [44]
-5x - 4 = -29\\&#10;-5x=-25\\&#10;x=5
6 0
3 years ago
Simple interest $34,000 invested at 4% for 3 years
valentinak56 [21]

Answer:

final amount would be $38080

Step-by-step explanation:

1) find 4% of 34000

34000 x .04 = 1360

2) multiply that by your time frame which is 3 years

1360 x 3 = 4080

3) add your interest to your original amount

34000 + 4080 = 38080

5 0
4 years ago
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