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3 years ago

What is the five-number summary for the data set? 173, 162, 190, 128, 145, 90

Mathematics

1 answer:

Fudgin [204]3 years ago

8 0

Answer:

128

Step-by-step explanation:

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Write (5,0) with a slope of 2 in slope-intercept form

tia_tia [17]

Y = mx + c
y = 2x + c
When x = 5 and y = 0,
0 = 2(5) + c
c = -10

y = 2x - 10

6 0

3 years ago

Pls helpp Write the expression using exponents. b.b.b = ?

GuDViN [60]

It’s b to the 3rd power or b cubed

B^3

8 0

3 years ago

Read 2 more answers

at the beginning of a population study a city had 240000 people each year since the population has grown by 7.8% let t be the nu

solmaris [256]

Answer:

y = 240000 x e^(0.078 x t)

Step-by-step explanation:

This is exponential growth, so the power at the exponential function will be positive ( negative is for exponential decay.) Since it is increasing by 7.8 percent exponentially we can write an exponential function relating y with t.

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3 years ago

2. Abby found the axis of symmetry, x-coordinate, the vertex, and y-intercept

krek1111 [17]

Using quadratic function concepts, it is found that Abby made a mistake on the coordinates of the vertex, which are (-4,1).

----------------------

A quadratic function is defined by:

$y(x) = ax^2 + bx + c$

The y-intercept is given by point: $(0, y(0))$
The vertex is given by: $(-\frac{b}{2a}, y(-\frac{b}{2a}))$ .
The axis of symmetry is: $x = -\frac{b}{2a}$

----------------------

The function given is:

$f(x) = -x^2 - 8x - 15$

Which is a quadratic equation with: $a = -1, b = -8, c = -15$ .
$f(0) = -0^2 - 8(0) - 15 = -15$ , thus, the y-intercept is (0, -15).

$x_v = -\frac{b}{2a} = -\frac{(-8)}{2(-1)} = \frac{8}{-2} = -4$

Thus, the x-coordinate of the vertex is x = -4, which is the same as the axis of symmetry.

$f(-4) = -(-4)^2 - 8(-4) - 15 = 1$

The vertex is given by: (-4,1).

A similar problem is given at brainly.com/question/14680175

8 0

3 years ago

Akira buys 10 tickets to a show. She also pays a $5 parking fee. If she spent $35 in total, how much did each ticket cost? Use x

Arte-miy333 [17]

Answer: Each ticket cost 3 dollars

Step-by-step explanation: First take 35 and subtract 5 which equals 30

then divide 30 by 10 and you get 3

7 0

3 years ago