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KengaRu [80]
3 years ago
9

3x - 8y = 1 6x + 5y = 12

Mathematics
1 answer:
Stells [14]3 years ago
5 0
Solve for x and y? Nsjsjd
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Can anyone teach me how to solve this?
Bumek [7]

Answer:

x=11

Step-by-step explanation:

First you need to make those numbers into an equation. So you will have 4x+4=48. First you have to get the 4 on the other side so you do the opposite of the symbol and subtract 4 from 48 to get 44. So now you have 4x=48. Now you do the opposite og multiplication so you divide 44 by 4 and you get 11. Hope this helped :) I would appreciate it if you made this brainiest answer  

5 0
3 years ago
For each triangle shown below, determine whether you would use the Law of Sines or Law of Cosines to find angle x. Then find ang
Alika [10]
For this case using the law of the sine we have the following mathematical relationship:
 x / sine (21) = 27 / sine (65)
 Clearing x we have:
 x = (27 / sine (65)) * (sine (21))
 x = 10.68 units
 Rounding off we have:
 x = 10.7 units
 Answer:
 
10.7 by The Law of Sines (SAS)
6 0
3 years ago
WILL REWARD BRAINIEST! What is the volume of the composite figure if both the height and the diameter of the cylinder are 10.5 f
Mashutka [201]

Answer:

908.74

Step-by-step explanation:

The formula for the volume of a cylinder is V = h * pi * r^2

h is height, r is radius, and pi is 3.14. The radius is half of the diameter, so that would make the radius 5.25.

So now plug it into the formula:

V = 10.5 * pi * (5.25)^2

= 908.74

Hope this helped! :)

7 0
3 years ago
The area of a trapezoid is found using the formula A=1/2h(b^1+b^2), where b^1 and b^2 are the parallel sides of the trapezoid an
OverLord2011 [107]

\bf \textit{area of a trapezoid}\\\\ A=\cfrac{1}{2}h(b_1+b_2)~~ \begin{cases} A=18\\ b_1=5\\ b_2=7 \end{cases}\implies 18=\cfrac{1}{2}h(5+7) \\\\\\ 18=\cfrac{h(12)}{2}\implies 18=6h\implies \cfrac{18}{6}=h\implies 3=h

3 0
3 years ago
What does A = and what does B =​
krek1111 [17]

Answer:

Step-by-step explanation:

<UWV = 180° - 50° - 50° ( SUM OF ANGLE IN A TRIANGLE)

<UWV = 80° which is angle A

b = 20 ( isosceles triangle)

8 0
3 years ago
Read 2 more answers
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