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Pavlova-9 [17]
3 years ago
12

5(a−b), if a=−4; b=−2

Mathematics
1 answer:
Helen [10]3 years ago
4 0

Step-by-step explanation:

Putting values of a and b

5 ( - 4 - (-2))

5 ( - 4 + 2)

5 ( - 2)

= - 10

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18
Alex777 [14]

Answer:

Point Z

Step-by-step explanation:

Since the scale is one, first you go 0.5 to the left (-0.5 X) then you go 0.75 up (0.75 Y) then you have your answer.

8 0
2 years ago
Which answered describe the shape below ?
Vitek1552 [10]

Answer:

B. Trapezoid

Step-by-step explanation:

Trapezoid  is a quadrilateral with only one pair of parallel sides, so it's "B".

5 0
3 years ago
an outfielder throws a ball to home plate. the balls path is modeled by the graph of y=x/5-x^2/1000 where x represents the horiz
saul85 [17]

The coordinates of the vertex for the quadratic function are given as follows: (100,10).

<h3>What is the vertex of a quadratic equation?</h3>

A quadratic equation is modeled by:

y = ax^2 + bx + c

The vertex is given by:

(x_v, y_v)

In which:

  • x_v = -\frac{b}{2a}
  • y_v = -\frac{b^2 - 4ac}{4a}

In this problem, the function is given as follows:

y = -x²/1000 + x/5

y = -0.001x² + 0.2x.

Hence the coefficients are a = -0.001, b = 0.2, c = 0 and the coordinates of the vertex are given as follows:

  • x_v = -\frac{0.2}{2(-0.001)} = 100
  • y_v = -\frac{(0.2)^2}{4(-0.001)} = 10

More can be learned about the vertex of a quadratic function at brainly.com/question/24737967

#SPJ1

4 0
2 years ago
Find all real solutions of the polynomial equation. (enter your answers as a comma-separated list.) z^4 + z^3 + z^2 + 3z − 6 = 0
viva [34]
I can't figure out a factor for this but graphing it shows x = -2 and +1 as real roots.
3 0
4 years ago
What is the answer 25b • (3a2 - 1)
Usimov [2.4K]

Answer:

Step-by-step explanation:

25b * (3a² - 1) = 25b * 3a² - 25b * 1

                     = 75ba² - 25b

Distributive law upon subtraction:

a(x - y) = ax - ay

4 0
3 years ago
Read 2 more answers
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