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matrenka [14]
3 years ago
11

3(w+4)=−2(1.5w−6) hi! if anyone could help with this it would be really appreciated

Mathematics
2 answers:
mihalych1998 [28]3 years ago
8 0
You welcome and you should circle your numbers to make it easier

nexus9112 [7]3 years ago
5 0

want to say 0 even though i did it in my head

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Can someone help me pls
iVinArrow [24]

Answer:

\frac{8}{27}

Step-by-step explanation:

\frac{2}{3}  \times  \frac{2}{ 3}  =  \frac{4}{9}

because its cubed, times by 2/3 again.

\frac{4}{9}  \times  \frac{2}{3}  =  \frac{8}{27}

hope this helps

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3 years ago
Giving brainlist to whoever answers this question
ratelena [41]

Answer:

thanks :)

Step-by-step explanation:

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3 years ago
Jim can buy 2 cakes for $40. At that rate, how much will it cost to buy 7<br> cakes?
Rina8888 [55]

Answer:

$140

Step-by-step explanation:

2 diveded by 40 is 20. 20 multiplied by 7 is 140.

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3 years ago
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Find the solutions to the system of equations. Select all that apply.
DochEvi [55]

Answer:

<h2>D. (-1, -3)</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}y=x^2-4&(1)\\y=-2x-5&(2)\end{array}\right\\\\\text{Put (1) to (2):}\\\\x^2-4=-2x-5\qquad\text{add}\ 2x\ \text{and 5 to both sides}\\\\x^2+2x+1=0\\\\x^2+x+x+1=0\\\\x(x+1)+1(x+1)=0\\\\(x+1)(x+1)=0\\\\(x+1)^2=0\iff x+1=0\qquad\text{subtract 1 from both sides}\\\\x=-1\\\\\text{put the value of}\ x\ \text{to}\ (2):\\\\y=-2(-1)-5\\\\y=2-5\\\\y=-3

6 0
3 years ago
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Two men decide to drive to a distant town, taking the same route. The first leaves 2 hours ahead of the second and drives at 60
PolarNik [594]

Answer:

t = 6\,h

Step-by-step explanation:

Given that both men moves at constant speed on the same trail, the motion equations that describes each motion are, respectively:

Man 1

x = 60 \cdot t

Man 2

x = 90 \cdot (t-2)

Where x is measure in kilometers and t in hours, respectively.

The time taken for both men to meet each other is:

60\cdot t = 90\cdot (t-2)

30\cdot t = 180

t = 6\,h

3 0
3 years ago
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