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True [87]
3 years ago
10

What do I do in an algebraic equation when x and y are connected (xy)?

Mathematics
2 answers:
tia_tia [17]3 years ago
7 0

Answer: Distributive property

Step-by-step explanation: I do believe in questions like this you would distribute from the perenthisis (right?)

olga_2 [115]3 years ago
7 0

Answer:

you would have to distribute it

Step-by-step explanation:

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What is 8 time the square root of 6
Helen [10]

Answer:

19.5959179423 or when simplified, 19.6

Step-by-step explanation:

3 0
3 years ago
Rhett made a simple drawing of his house. it is a three dimensional figure with four faces that are rectangular and two that are
Xelga [282]

Answer: Rectangular prism

Step-by-step explanation:

Details culled from the information supplied :

1.) A 3 - dimensional figure

2.) Four rectangular faces

3.) Two square faces

Using the above information to form the basis of our inference, It could be inferred that the figure of Rhett's house is a rectangular prism.

Three dimensions: length, width, and height

Six faces in total; four of which are rectangular and 2 squared faces.

6 0
4 years ago
A motorboat that travels with a speed of 20 km/hour in still water has traveled 20 km against the current and 180 km with the cu
Gala2k [10]
Recall your d = rt.  distance = rate * time.

let's say the speed of the current is "c".

keeping in mind that, when the boat is going against the current, the boat is not really going at 2kmh, but instead at " 20 - c ", because the current is subtracting speed from it.

Likewise when is going with the current, is going at a speed of " 20 + c ".

if the boat took say "t" hours on the way over, on the way back it took the slack from the whole 8 hours and "t", namely it took " 8 - t " hours.

\bf \begin{array}{lccclll}
&\stackrel{km}{distance}&\stackrel{kmh}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
\textit{against the current}&20&20-c&t\\
\textit{with the current}&180&20+c&8-t
\end{array}
\\\\\\
\begin{cases}
20=(20-c)(t)\implies \frac{20}{20-c}=t\\
180=(20+c)(8-\stackrel{\downarrow }{t})\\
--------------\\
180=(20+c)\left( 8- \stackrel{\downarrow }{\frac{20}{20-c}}\right)
\end{cases}
\\\\\\
180=(20+c)\left( \cfrac{(160-8c)-20}{20-c} \right)

\bf 180=(20+c)\left( \cfrac{140-8c}{20-c} \right)\implies 180(20-c)=(20+c)(140-8c)
\\\\\\
3600c-180c=2800-160c+140c-8c^2
\\\\\\
3600c-180c=2800-20c-8c^2
\\\\\\
3600c-180c-2800+20c+8c^2=0\implies 8c^2-160c+800=0
\\\\\\
c^2-20c+100=0\implies (c-10)(c-10)=0\implies \boxed{c=10}
8 0
3 years ago
a bag holds 1200 marbles colored either blue, red, green, or pink. there are 2 more blue than green, 6 more green than red and 6
krek1111 [17]
B = 2 + g . . . (1)
g = 6 + r . . . (2)
r = 6 + p . . . (3)

Putting (3) into (2) gives:
g = 6 + 6 + p = 12 + p . . . (4)
Putting (4) into (1) gives:
b = 2 + 12 + p = 14 + p . . . (5)

b + g + r + p = 1200
2 + g + 6 + r + 6 + p + p = 1200
2 + 12 + p + 6 + 6 + p + 6 + p + p = 1200
32 + 4p = 1200
4p = 1200 - 32 = 1168
p = 292

From (5), b = 14 + p = 14 + 292 = 306

Therefore, there are 306 blue mables.
8 0
4 years ago
What is 29+13+10+7 plz tell me
Rudik [331]
29+13+10+7 is 59 :) I hope this helps.

7 0
4 years ago
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