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zhuklara [117]
2 years ago
7

Need this nowneed it--------------------​

Mathematics
1 answer:
lina2011 [118]2 years ago
8 0

Answer: X = kuv/ (u+v)

that means that x(u+v)/(uv) = k, a constant. so you want x such that,

x(3+3)/(3*3) = 3(3+1)/(3*1)

x=6

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Jada typically earns$1545 each month, of which $47.20 is spent on electricity. Whick percent of jadas earnings are spent on elec
REY [17]
The equation is asking how much out of Jada's total budget (1545) is spent on electricity a month (47.20).
write this as a fraction 47.20/1545
type into calculator and you get .03055
multiply that by 100 to get it as a percent. you get 3.055%
now round that to the nearest tenth and you get 3.1%
answer 3.1%

8 0
2 years ago
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mash [69]

Answer: OPTION B.

Step-by-step explanation:

Given the following System of equations:

\left \{ {{3x-5y=19} \atop {x+y=1}} \right.

You can use the Elimination Method to solve it. The steps are:

1. You can mutliply the second equation by -3.

2. Then you must add the equations.

3. Solve for the variable "y".

Then:

\left \{ {{3x-5y=19} \atop {-3x-3y=-3}} \right.\\.....................\\-8y=16\\\\y=\frac{16}{-8}\\\\y=-2

4. Now that you know the value of the variable "y", you must substitute it into any original equation.

5. The final step is to solve for "x" in order to find its value.

Then:

x+(-2)=1\\\\x=1+2\\\\x=3

Therefore, the solution is:

(3,-2)

8 0
3 years ago
WILL MARK BRAINLIEST!!!!!
vodka [1.7K]
The answer is $72
because if you subtract the discount by 96 you get 72
5 0
2 years ago
Read 2 more answers
¿Qué peso transporta una tractomula que lleva 134 bultos de trigo de 62 kilos cada uno, 28 sacos de café de 50 kilos cada uno y
Snowcat [4.5K]

Answer:

the total weight is 12,483 kilos

Step-by-step explanation:

The computation of the weight is shown below:

Wheat = 134 × 62 = 8308

Coffee = 28 × 50 = 1400

Rice 37 ×  75 = 2775

Total weight is

= 8308 + 1400 + 2775

= 12,483 kilos

Hence, the total weight is 12,483 kilos

5 0
2 years ago
A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh
zaharov [31]
35x+55(110-x)=4850
Solve for x
X=60 for 35

110-60=50 for 55
8 0
3 years ago
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