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Pavlova-9 [17]
3 years ago
11

What is the solution to the linear system below? SOLVE WITH SUBSTITUTION.

Mathematics
2 answers:
Artyom0805 [142]3 years ago
7 0
X = 1 and Y = - 3.5

To find this, you plug in 1/2x - 4 in for y of the second equation and solve. Once you solve, you get x = 1.

Then you take the x = 1 and plug it into the first equation and when you do that, you get y = -3.5
Mama L [17]3 years ago
3 0
Your Answer is: (1, -7/2)
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Does anyone know the solution to this equation?
LenKa [72]
1, -1, 1
Hope this helps :)
8 0
3 years ago
I need help on all of these please help i’ll mark brainliest!!! <br> -11 + x = 7X - 5
nalin [4]

I don't know what your looking for, so be more specific, but I'm assuming your solving for x, so that's would be

x = -1

8 0
3 years ago
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What is the solution set to log(x + 7) &gt; log3x?<br><br> (–∞, 3)<br> (–7, 0)<br> (0, 3)<br> (3, ∞)
swat32

Answer:

The answer is B

Step-by-step explanation:

8 0
3 years ago
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Deon has a pizza with a diameter
OverLord2011 [107]

The square box is enough to fit the pizza with a diameter of 10 inches inside. Since the area of the square box is more than the area of the pizza, the pizza fits easily in the square box.

<h3>What is the area of the circle and the square?</h3>

The area of the circle is

Ac = πr² = πd²/4 sq. units

Where r is the radius and d is the diameter of the circle.

The area of the square is given by

As = s² sq. units

Where s is the length of the side of a square.

<h3>Calculation:</h3>

It is given that a pizza(in a circular shape) with a diameter d = 10 in is to be placed in a square box of the same length as the diameter of the pizza.

So,

The area of pizza is

Ap = Ac = πd²/4 sq. units

     = π(10)²/4

     = 25π

     = 78.54 sq. in

Then, the area of the square box with the length same as the diameter of the pizza is,

As = d²

    = 10²

    = 100 sq. in

Since the area of the square is more than the area of the pizza (100 sq. inch > 78.54 sq. inch), the pizza easily fits into the square box.

Learn more about the area of a circle here:

brainly.com/question/15673093

#SPJ1

7 0
2 years ago
Simplify each polynomial. 6g+8k-9g+2k<br> -4x+6x²+5x<br> a²+5a-3a²<br> 3x²+8x+7x
notsponge [240]
1. 10k-3g
2. 6x squared +x
3. 5a-2a squared
4.3x squared+15x
6 0
3 years ago
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