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Vlad1618 [11]
3 years ago
12

Raphael graphed the system of equations shown.

Mathematics
2 answers:
Vanyuwa [196]3 years ago
7 0

Answer:

(–2.2, –3)

Step-by-step explanation:

Alinara [238K]3 years ago
5 0

Answer:

-2.2,-3

Step-by-step explanation:

ok

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A square has sides with lengths of (x - 2) units. A rectangle has a length of x units and a width of
vagabundo [1.1K]

Answer:

(A)The area of the square is greater than the area of the rectangle.

(C)The value of x must be greater than 4

(E)The area of the rectangle is (x^2-4x) \:Square \:Units

Step-by-step explanation:

The Square has side lengths of (x - 2) units.

Area of the Square

(x-2)^2=(x-2)(x-2)=x^2-2x-2x+4\\=(x^2-4x+4) \:Square \:Units

The rectangle has a length of x units and a width of  (x - 4) units.

Area of the Rectangle =x(x-4)=(x^2-4x) \:Square \:Units

<u>The following statements are true:</u>

(A)The area of the square is greater than the area of the rectangle.

This is because the area of the square is an addition of 4 to the area of the rectangle.

(C)The value of x must be greater than 4

If x is less than or equal to 4, the area of the rectangle will be negative or zero.

(E)The area of the rectangle is (x^2-4x) \:Square \:Units

3 0
3 years ago
A set of raw paired sample data is given below. Convert this raw data into paired ranks, and calculate the value of the rs test
SOVA2 [1]

here is the data set for the complete question

x: 18 21 19 21 20 21

y; 2 14 5 6 18 18

Answer:

B. 0.652

Step-by-step explanation:

x   y   rank of x     rank of y   d         d²

18   2     1                1               0          0

21   14    4                4             0          0

19    5     2               2             0          0

21    6     4               3            1            1

20    18    3             5.5         -2.5      6.25

21     18    4             5.5          -1.5       2.25

∑d² = 8.5

rs = 1 - 6[∑di² + ∑m(m²-1)]/n(n²-1)

= 1 - 6[8.5 +{3(3²-10/12 + 2(2² - 1)/12}]/6(6²-1)

= 1 - 0.348

= 0.652

therefore option b is the right answer.

5 0
4 years ago
6b.) Graph the given points C(-3, 2) and D(6, 2) and find the slope.<br> What is the slope?
White raven [17]
I think y=2 there both on the 2 y intercept straight from each Other
6 0
3 years ago
Select the solutions to the following inequality:
Elena L [17]
X+2> _ 5, x >_5-2, x>_3

-x-2>_5, x<_ -2-5, x<_-7

the last is the answer
8 0
3 years ago
I ordered some books online for myself and friends. Each book costs $13 and the store charges a flat rate for shipping of $20. W
Anna35 [415]

Answer:

13n+20

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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