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Marina86 [1]
3 years ago
11

What is the solution of the equation shown? -1.2(3x - 3) = 4(3x + 0.9)

Mathematics
1 answer:
MariettaO [177]3 years ago
4 0

Answer: x=0

Step-by-step explanation: -1.2(3x-3) = 4(3x+0.9)                                           -3.6x+3.6=12x+3.6                                                                                             -3.6x-12x+12x=12x+3.x+12x                                                                                   -15.6x+3.6-3.6=3.6-3.6                                                                                          -15.6x/-15.6=0/-15.6                                                                                           x=0                          

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A boat leaves the harbor entrance and travels 28 miles in the direction N 43° E. The captain then turns the boat 90° and travels
Serga [27]

Answer:

Step-by-step explanation:

A boat leaves the harbor entrance and travels 28 miles in the direction N 43° E.

Displacement in vector form

= 28 cos43 i + 28sin43j

= 20.47 i + 19.1 j

The captain then turns the boat 90° and travels another 15 miles in the direction S 47° E

Displacement

= 15 cos47 i - 15 sin47 j

= 10.22 i - 10.97 j

Total displacement

= 20.47 i + 19.1 j + 10.22 i - 10.97 j

= 30.69 i - 8.13 j

Magnitude of displacement

= 31.75 miles

Angle with east direction

TanФ = - 8.13 / 30.69

Ф = 15 degree  south of east.

3 0
3 years ago
Simplify the expression:<br> 10x + -8x + -10x+ -10 + 8x + -6x
Lynna [10]

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Step-by-step explanation:

8 0
3 years ago
Create an exponential function that starts at 650 and increases by 12% us the form f(x) = p (1=r)^x
ololo11 [35]
F(x)= 650(1+.12)^x

f(x) = 650(1.12)^x
4 0
3 years ago
I need help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Zina [86]

Answer:

Yes, x and y have a proportional relationship.  

Step-by-step explanation:

A proportional relationship means that, when comparing two quanities, that they are both changing at a constant (same) amount.  When looking at a table to compare quantities, you can see that the pounds of tomatoes 'x' is increasing by one (1) each time.  If you look at the amount spent in dollars 'y', you can see that for each pound (x), the cost is increasing by $4.  So, since for every pound of tomatoes that is purchased increases by $4, then their relationship is proportional.  

8 0
3 years ago
Tre Algebra<br>Assignment Day 4<br>Solve each equation<br>1) -2-4-2<br>-2<br>.1​
Debora [2.8K]

Answer:

If your question is -2 - 4 - 2 - 2.1 then the answer is -10.1

Step-by-step explanation:

-2 - 4 - 2 - 2.1

= (-2 - 4 ) - 2 - 2.1                Combine -2 with -4 or subtract them

=  -6 - 2 - 2.1                        

= (-6 - 2 )- 2.1                       Combine -6 and -2

= -8 -2.1                                Combine -8 and -2.1

= -10.1

<h3><u><em>Please rate this and please give brainliest. Thanks!!! </em></u></h3><h3><u><em>Appreciate it! : ) </em></u></h3><h3><u><em>And always, </em></u></h3><h3><u><em>SIMPLIFY BANANAS          : )</em></u></h3>
4 0
3 years ago
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