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Answers

Answer 1

Answer: debt means negative ballance

greater than 20 and less than 30
means owes more than -20 and less than -30
-20>x>-30

-24 is answer

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0.05 is ten times as much as
Check by divisibility test the number 26458900 is divisible by 11 and 4.

Find the area, please

I’ll give brainlist

Answers

Answer:

Area = 104 m²

Step-by-step explanation:

the figure is composed of a rectangle and a triangle

area of rectangle = length × breadth = 10 × 8 = 80 m²

area of triangle = $(1)/(2)$ × base × perpendicular height

the base of the triangle is opposite the 8 m side of the rectangle and is 8 m

the perpendicular height of the triangle is 6m , then

area of triangle = $(1)/(2)$ × 8 × 6 = 4 × 6 = 24 m²

sum the areas of the two parts

area = 80 + 24 = 104 m²

Solve the following system of equations for all three variables.5x−2y+z = 8
−9x+2y+2z = 5
−9x−2y−5z = 4

Answers

  5x - 2y + 1z = 8 ⇒   5x - 2y + 1z = 8
-9x + 2y + 2z = 5 ⇒ -9x + 2y + 2z = 5
-9x - 2y - 5z = 4 -4x + 3z = 13

5x - 2y + 1z = 8
-9x + 2y + 2z = 5 ⇒ -9x + 2y + 2z = 5
-9z - 2y - 5z = 4 ⇒ -9x - 2y - 5z = 4
-18x - 3z = 9

-4x + 3z = 13
  -18x - 3z =   9
-22x = 22
  -22 -22
  x = -1
  -18x - 3z = 9
-18(-1) - 3z = 9
18 - 3z = 9
- 18 - 18
-3z = -9
-3 -3
z = 3

5x - 2y + z = 8
5(-1) - 2y + 3 = 8
-5 - 2y + 3 = 8
-2y - 5 + 3 = 8
-2y - 2 = 8
  + 2 + 2
  -2y = 10
-2   -2
y = -5
  (x, y, z) = (-1, -5, 3)

What is the range of the function h(x) = -8x?

Answers

You switch h(x) with y and get y= -8x. You aren't given a range, as the range is the y-intercpet.

Final answer:

The range of the function h(x) = -8x is all real numbers, as there are no restrictions on the output the function can produce. This is typical of a linear function.

Explanation:

The range of a function refers to the possible outputs it can produce. In the case of the function h(x) = -8x, it is a linear function, and there are no restrictions on the values that x can take, meaning x can be any real number between -∞ and +∞. The output, h(x), therefore, can be any real number, also between -∞ and +∞, given that it will be the result of -8 multiplied by x. Therefore, the range of the function h(x) = -8x is all real numbers from -∞ to +∞.

Learn more about range of a function here:

brainly.com/question/29145252

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Evaluate the expression for the given value of the variable(s). 5a+5b;a=-6b=-5

A. 19 B. 17 C. -11 D. 21

Answers

The given expression is 5a+5b The given values of a and b are a=-6 ,b=-5

Substituting the values of a and b in the expression we have :

5a+5b= 5(-6)+5(-5)

= -30 -25 ( when a positive and a negative number is multiplied the result is a negative number)

-30-25=-55 (same signs are added)

The answer to the expression 5a+5b when a=-6 anf b=5 is -55.

[The given options are not correct.]

The answer to what you have there is -55 using order of operations. 5 times -6 is -30. 5 times -5 is -25. add. You get -55.

2/3(3x-15y)+(9y-11x)

Answers

$(2)/(3)(3x-15y)+(9-11x)=\n\n2x-10y+9-11x=\n\n-9x-10y+9\n\nAnswer\ is\ -9x-10y+9$

Compare the graphs of the inverse variations y=-0.2/x and y=-0.3/x. Provide at least 3 comparisons

Answers

- both are not defined for x = 0

- both have the same symmetry axis: y = x

- both are hyperbolas

- both have the same asymptotes: the y-axis, i.e. y = 0

- both have the same limits when x approaches 0 by the right and by the left: positive and negative infinity.

- both have the same limits when x approaches + and - infinity: zero.

- they never touch one to each other