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cricket20 [7]
3 years ago
15

Mathematical

Mathematics
2 answers:
Sever21 [200]3 years ago
8 0

Answer: 1.5

Step-by-step explanation:

0.72 • 2 = 1.5

galben [10]3 years ago
7 0

Answer:1.50

Step-by-step explanation: 75•2 = 1.50

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If 5(x + 7)= -3, then 5x +35= -3
tensa zangetsu [6.8K]
= 5x + 35 = -3
- 35 = -35
5x = -38
/ 5 = / 5
x = -7.6
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3 years ago
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3 years ago
find two consecutive odd integers whose product is 1 less than 6 times their sum. Domain for the smallest : {-1, 1, 11}
inn [45]
Let x be the 1st odd number, and x+2 the second odd consecutive number:

(x)(x + 2) = 6[((x) + (x+2)] -1
x² + 2x = 6(2x + 2) - 1

x² + 2x = 12x +12 - 1
And x² - 10x - 11=0

Solve this quadratic expression:

x' = [+10 +√(10²- 4.(1)(-11)]/2  and x" = [+10 -√(10²- 4.(1)(-11)]/2

x' = [10 + √144]/2      and  x" = [10 - √64]/2

x' = (10+12)/2    and x" = (10-12)/2

x = 11 and x = -1

We have 2 solutions that satisfy the problem:

1st for x = 11, the numbers at 11 and 13
2nd for x = - 1 , the numbers are -1 and +1
If you plug each one in the original equation :(x)(x + 2) = 6[((x) + (x+2)] -1
you will find that both generates an equlity


6 0
3 years ago
Please solve -26=-8x+6
Alexxx [7]
X = 4

-26 = -8x + 6
-32 = -8x
4 = x
8 0
3 years ago
Read 2 more answers
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