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34kurt
3 years ago
12

M+5n=7 how to solve equation

Mathematics
2 answers:
aivan3 [116]3 years ago
7 0
M + 5n = 7
subtract 5n from each side

m = -5n + 7
soldier1979 [14.2K]3 years ago
7 0
Solving for m you'll get
M= 7-5n
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Find X
Dima020 [189]

Answer:

x=10

Step-by-step explanation:

3x+8x=100+10

11x=110

x=110/11

x=10

5 0
3 years ago
All of the following ordered pairs satisfy the function rule y = -2 x - 1 except _____. Plz help (-2, 3) (0, -1) (2, -5) (-1, -3
Kruka [31]
Start by plugging in all your answer choices and see which ones make the solution true
6 0
3 years ago
A contractor records all of the bedroom areas, in square feet, of a five-bedroom house as: 100, 100, 120, 120, 180 What is the v
kifflom [539]
The variance is the total of the squared distances of the given data from the mean. 

This can be calculated through the equation,
        
                            σ² = summation of X² / N  - μ²

where σ² is the variance X's are the data, N is the number of terms, and μ is the mean.

   summation of X² = 100² + 100² + 120² + 120² + 180² = 81200
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                                        μ = (100 + 100 + 120 + 120 + 180) / 5
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Substituting these values to the equation for variance,
                                 
                              σ² = (81200/5) - 124² = 864

Thus, the variance is equal to 864. 
4 0
3 years ago
Read 2 more answers
5+ =83 can someone help me out
enot [183]
You can do
83 - 5 to find the answer
So that's
78 or
5 + 78 = 83
4 0
3 years ago
Read 2 more answers
3.4=21 2.5=7. 4.4=؟​
Licemer1 [7]

Answer:

32

Step-by-step explanation:

From the given values

The possible logic could be

if x.y is given

then it is equal to=\frac{(x+y)\times x}{y-3}

For 1st example

3.4=\frac{(3+4) \times 3}{4-3} =\frac{21}{1} =21

For 2nd example

2.5=\frac{(2+5) \times 2}{5-3} =\frac{7 \times 2}{2} =7

⇒4.4=\frac{(4+4)\times 4}{4-3} =32

4 0
3 years ago
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