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STALIN [3.7K]
2 years ago
10

X + 3y < -18 5x + 2y <14

Mathematics
1 answer:
Kryger [21]2 years ago
4 0

Answer:

<h2>The solution will be the shaded region for both.</h2>

Step-by-step explanation:

First we need to solve x + 3y = -18 and 5x + 2y = 14.

x = -18 - 3y.

Putting the above value in the second equation, we get, 5x + 2y = 14\\5(-18 - 3y) + 2y = 14\\-90 -15y - 2y = 14\\17y = - 104\\y = - \frac{104}{17} = 6.2.

Hence, x = -18 - 3y = -18 -3\times\frac{104}{17} = -36.353

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Can some one help me if your good at geometry?
Shkiper50 [21]

Answer:

<h2><u>x = 15 ft.</u></h2>

Step-by-step explanation:

Using Pythagoras Theorem:

x^{2} + 8^{2} = 17^{2}

⇒ x^{2} = 17^{2} - 8^{2}

⇒ x = \sqrt{(17^{2} - 8^{2})}

⇒ x = \sqrt{(289 - 64)}

⇒ x = \sqrt{(225)}

⇒ x = 15 ft.

6 0
3 years ago
HELP ME PLS<br> if y varies inversely with x, and y = 15/2 when x = 4, find x when y = 15/4
SCORPION-xisa [38]
Y=1/x
y=k/x
Where “k” is a constant
15/2=k/4
2k=60
k=60/2
k=30
:. 15/4=30/x
15x=120
x=120/15
:.x=8.
8 0
2 years ago
This week laptops are 25% off. If a laptop costs $340, what is its sale price?
Alexandra [31]

____________________________________________________

Answer:

Your answer would be $255

____________________________________________________

Step-by-step explanation:

To solve these kind of problems, what we have to do is find how much of 340 is 25%, and then subtract that number to the original price.

Let's give you some important information in the text:

  • 25% off
  • $340

With the information above, we can solve our problem.

First, we would need to find how much of 340 is 25%, and to do that, we would multiply 340 by 0.25:

340*0.25 = 85

When you solve, you should get 85. But, you're not done yet, we need to find out how much the sales price is, not how much of it is discounted.

In order to find the sales price, we would get our original number (the number it originally cost), and subtract it with the amount of money it's removing (85).

In this case, we would subtract 340 by 85.

340-85=255

Your FINAL answer should be 255

The sales price of the laptop would be $255.

____________________________________________________

5 0
2 years ago
Cuanto es 3/4 × 5/6 ​
marshall27 [118]

Answer:0.625 or 5/8

Step-by-step explanation:

6 0
3 years ago
Everbank Field, home of the Jacksonville Jaguars, is capable of seating 76,867 fans. The revenue for a particular game can be mo
Andrei [34K]
The domain of the function is all the values from which the functio can be mapped: here it's between 0 and <span>76,867 -depending on how many people come

</span>0 \leq x\geq 76867

The range is all the values that the function can have.So here it's from 0, when noone is coming, to 76867*161=12377036

0 \leq y\geq 12377036




5 0
3 years ago
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