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serious [3.7K]
4 years ago
6

7x + 4y = 5 7x + 4y = 12

Mathematics
1 answer:
xz_007 [3.2K]4 years ago
5 0

Answer:

No answer

Step-by-step explanation:

Let's say I would like to eliminate x in order to find the value of y.So I multiply the second equation by (-1), but than I also eliminate y. Therefore, this system of equations doesn't have a solution.

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What is the value of x to the nearest tenth? <br> 2.8 <br> 4.2 <br> 4.8 <br> 6.9
lilavasa [31]
A^2 + b^2 = c^2
a = x
b = 14
c = x+10
x^2 + 14^2 = (x + 10)^2
( x^2 + 196 = x^2 + 20x +100 ) - x^2
( 20x +100 = 196 ) -100
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6 0
4 years ago
What is the area A of each cookie ?
taurus [48]

Answer:

16pi or approx. 50.26

Step-by-step explanation:

Since the diameter of each cookie is 8 cm, the radius of each cookie will be 4 cm. We can use the area of the circle formula (A = πr²), we can find that the area of each cookie is 16π, or around 50.26

3 0
3 years ago
Read 2 more answers
If f(x) and it's inverse function, f-1(x), are both plotted on the same coordinate plane, what is there correct point of interse
MA_775_DIABLO [31]

Answer:

The plot coordinates are (3,3).

Step-by-step explanation:

Given:

A fucntion f(x) and its inverse is f-1(x)

To find :

The plot of the coordinates for the intersection.

Solution:

<em>Now we know that inverse fucntion is changing the y=f(x) and then</em>

<em>changing to x to y and y to x</em>

So given function is f(x)

Inverse function is y,

But value of inverse function is f-1(x)

So y=f(x)=f-1(x)

Therefore it becomes

y=x

Hence the value is y=x coordinates

i.e. (3,3)

4 0
4 years ago
Please help!!! 10 points!!!​
Alecsey [184]

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Step-by-step explanation:

3 0
3 years ago
The area of a trapezoid is found using
Aleonysh [2.5K]

Answer:

288x+576

Step-by-step explanation:

A=12×h(b1+b2)

A=12×12(x+1+x+3)

A=144(2x+4)

A=288x+576

6 0
3 years ago
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