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Gnoma [55]
3 years ago
8

(6x + 5) + (-3x + 7) ?

Mathematics
2 answers:
cestrela7 [59]3 years ago
5 0

Answer:

the answer should be 3(x+4)

Lina20 [59]3 years ago
3 0
6x+3x=7-5
18x=2
x=18/2
x=9
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People's movements between places is called
pogonyaev

Answer:

The three answers I can think of are migration, immigration, and emigration.

Step-by-step explanation:

Hope this helps!

5 0
2 years ago
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Solve 3x-4=√(2x^2-2x+2)
DiKsa [7]

Answer:

Step-by-step explanation:

Begin the solution by squaring both sides of the given equation.  We get:

(3x - 4)^2 = 2x^2 - 2x + 2, or:

9x^2 - 24x + 16 = 2x ^2 - 2x + 2

Combining like terms results in:

7x^2 - 22x + 14 = 0

and the coefficients are a = 7, b = -22, c = 14, so that the discriminant of the quadratic formula, b^2 - 4ac becomes (-22)^2 - 4(7)(14) = 92

According to the quadratic formula, the solutions are

       -b ± √discriminant           -(-22) ± √92             22 ± √92

x = ------------------------------- = ----------------------- = ------------------------

                   2a                                   14                            14

8 0
3 years ago
Find the arithmetic mean of the sales per day in a fair price shop in a week.
BabaBlast [244]

Answer:

11060.83

Step-by-step explanation:

Sum = 10000 + 10250 + 10790 + 9865 + 15350 + 10110

= 66365

No. of days (N) = 6

Arithmetic mean = Sum/ N

= 66365/6

= 11060.83

4 0
2 years ago
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Two bicyclist started racing towards each other when they were 98 miles apart. Three hours later they did not yet meet and the d
JulsSmile [24]

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6 0
3 years ago
Stella rewrites −212+3.7 as 3.7−212. Which property did she use? A. Additive Identity Property B. Additive Inverse Property C. C
lyudmila [28]

Answer:

Option C.

Step-by-step explanation:

It is given that Stella rewrites −212+3.7 as 3.7−212.

We need to find which property did she use.

According to commutative property of addition,

A+B=B+A

Where, A and B are any real values.

In the given expression −212+3.7, A=-212 and B=3.7.

Using commutative property of addition, we get

(-212)+3.7=3.7+(-212)

(-212)+3.7=3.7-212

So, she used commutative property.

Therefore, the correct option is C.

5 0
3 years ago
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