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alex41 [277]
3 years ago
11

Mrs Patterson class room has sixteen empty chairs all the chairs are occupied when every student is present if 2/5 of the studen

t are absent how many make up her entire class
Mathematics
1 answer:
tatyana61 [14]3 years ago
4 0
40 students make up her entire class
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Evaluate the expression. 0.3+0.2×0.5
tangare [24]

Answer:

The answer is 0.4

Step-by-step explanation:

Since we do multiplication first, we do 0.2*0.5. That equals 0.1.

Next, we do addition. 0.3+0.1 is 0.4.

4 0
3 years ago
Read 2 more answers
Plz help me or i will literly start cying cuz i dont rly understand
Ann [662]

Answer: Its very simple to solve slopes

Step-by-step explanation:

All you need to do is to calculate the difference in the y coordinates of the 2 points and divide that by the difference of the x coordinates of the points(rise over run). That will give you the slope.

6 0
3 years ago
Find Sn for the given arithmetic series a1=-26 d=-9 n=24
ryzh [129]

Answer:

- 3108

Step-by-step explanation:

The sum to n terms of an arithmetic series is

S_{n} = \frac{n}{2} [ 2a_{1} + (n - 1)d ]

Substitute the given values into the formula

S_{24} = \frac{24}{2} [ (2 × - 26) + (23 × - 9) ]

                          = 12 ( - 52 - 207 )

                         = 12 × - 259 = - 3108

5 0
3 years ago
Can somebody help me with these?
Sliva [168]

1. -216

2. -6561

Hope this helped!

5 0
3 years ago
Read 2 more answers
use the elimination method to solve the system of equations. choose the correct ordered pair x-y=2 2x+3y=14
son4ous [18]

Answer:

x = 4

y = 2

Step-by-step explanation:

x - y = 2

   x = 2 + y

2x + 3y = 14

  2(2 + y) + 3y = 14

  4 + 2y + 3y = 14

  4 + 5y = 14

  5y = 10

   y = 2

x - y = 2

  x - 2 = 2

  x = 4

4 0
2 years ago
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