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Readme [11.4K]
3 years ago
8

How many solutions are there to the system of equations? StartLayout enlarged left-brace 1st row 4 x minus 5 y = 5 2nd row negat

ive 0.08 x + 0.10 y = 0.10 EndLayout no solutions one solution two solutions an infinite number of solutions
Mathematics
2 answers:
Goshia [24]3 years ago
7 0

Answer:

the correct answer is "no solution"

Step-by-step explanation:

kkurt [141]3 years ago
3 0

Answer:

Only one solution  x=\frac{5}{4},y=0

Step-by-step explanation:

4x-5y=5..............(1)\\0.08x+0.10y=0.10...........(2)

Multiply equation (2) by 50

4x-5y=5........(3)

Now from equation (1)+ equation(3)

8x=10\\x=\frac{10}{8}\\x=\frac{5}{4}

Put the value in equation (1)

5-5y=5\\5y=0\\y=0

hence only one solution exists\left(\frac{5}{4},0\right).

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What is the center of the circle x² + y2 - 16 = 0?
Ad libitum [116K]

Answer:

(0,0)

Step-by-step explanation:

x^2+y^2=4^2

center: (0,0)

radius=4

7 0
3 years ago
22 Points!! I NEED Help ASAP plz!!!!
Schach [20]

Answer:

The correct option is B.

Step-by-step explanation:

The vertices of preimage are L(2,-2), M(4,-2), N(1,-3) and O(5,-3).

The vertices of image are L'(-3,-2), M'(-3,-4), N'(-4,-1) and O'(-4,-5).

The relationship between preimage and image is defined as

(x,y)\rightarrow (y-1,-x)

In option A, 90-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left.

If a figure rotated 90-degree counterclockwise, then

(x,y)\rightarrow (-y,-x)

Translation 1 unit to the left,

(x,y)\rightarrow (-y-1,-x)

Therefore option A is incorrect.

In option B, 270-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left.

(x,y)\rightarrow (y-1,-x)

Therefore option B is correct.

In option C,  a translation 1 unit to the left followed by a 270-degree counterclockwise rotation about the origin.

(x,y)\rightarrow (y,-(x-1))

Therefore option C is incorrect.

In option D, a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin.

(x,y)\rightarrow (-y,x-1)

Therefore option D is incorrect.

5 0
3 years ago
Read 2 more answers
What does 2(3)+ 5 mean? What is the value of this expression? Describe it with words and a
nadya68 [22]

Answer:

2(3)+5 means that the product of 2 and 3 plus 5 giving the answer as 11

Step-by-step explanation:

SORRY IVE NOT DRAWN A DIAGRAM BUT HOPE THAT THIS IS HELPFUL.

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How do you convert 1.27 to a percentage
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Answer:

127%

Step-by-step explanation:

All you have to do is multiply both numerator and denominator by 100.

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Which graph appears to show a normal distribution ?
ra1l [238]

Look at the picture.

It are the examples of a normal distribution.

Answer: B.

7 0
3 years ago
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