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GREYUIT [131]
3 years ago
15

What type of number is -3.709 complex imaginary or real number

Mathematics
2 answers:
Zanzabum3 years ago
7 0

Answer:

Real and complex is the correct answer.

Step-by-step explanation:

saul85 [17]3 years ago
4 0

Answer:I think it's a real question but it's a decimal

Step-by-step explanation:

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The equation of a circle is given. Find the circumference of a circle. Write the circumference in terms of pi.
sattari [20]
C=2πr and x^2+y^2=r^2
r=4 because of the equation (16)^1/2 is 4
C=8π 
3 0
2 years ago
5a - 2(4a + 1) + 6(4a - 1)​ show work pls
Mekhanik [1.2K]

Answer:

21<em>a</em> − 8

Step-by-step explanation:

6 0
2 years ago
the lengths of the side of a rectangular window have the ratio 1.7 to 1 the area of the window is 2,720 sqaure inches what are d
nignag [31]

Answer:

Lenght: 68\ in\\\\Width: 40\ in

Step-by-step explanation:

The formula for calculate the area of a rectangle is:

A=lw

Where "l" is the lenght and "w" is the width.

You know that the ratio  of the sides of the rectangular window is:

1.7:1

 Then, let be x the width (in inches) of the rectangular window and 1.7x the lenght (in inches) of the rectangular window.

Knowing that the area of the window is 2,720 square inches, you can know that:

(1.7x)(x)=2,720

Now you must solve for "x" in order to find the width:

(1.7x)(x)=2,720\\\\1.7x^2=\\\\x=\sqrt{\frac{2,720}{1.7} }\\\\x=40

Finally, the lenght is:

1.7x=1.7(40)=68

3 0
3 years ago
What's 11.094 * $17.27​
san4es73 [151]

Answer:

$191.59

Step-by-step explanation:

7 0
3 years ago
Solve the system of equations. 4x+2y+5z=8 5x+3y+4z=9 6x+3y+3z=3
Alchen [17]

Answer:

x = -4, y = 7,  z = 2.

Step-by-step explanation:

4x + 2y + 5z = 8......(1)

5x + 3y + 4z = 9......(2)

6x + 3y + 3z = 3......(3)

Subtract:  equation (2) - equation (3):

-x + z = 6 ........(4)

Multiply   (1) by 3 and (2) by 2:

12x + 6y + 15z = 24 .........(5)

10x + 6y + 8z = 18 ...........(6)

Subtract: (5) - (6):

2x + 7z = 6..............(7)

Multiply  equation (4) by 2:

- 2x + 2z = 12.........(8)

Add (7) + (8):

9z = 18 , so  z = 2.

Substitute for z in equation (4)

-x + 2 = 6

-x =  4 so x = -4.

Now find y by substituting in equation (1):

4(-4) + 2y + 5(2) = 8

2y =  8 + 16 - 10 = 14

y = 7.

3 0
3 years ago
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