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Stells [14]
3 years ago
5

Using the slope formula for the points (1, 5) and (2, -2), what would the denominator be?

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
4 0
Hey there,

The slope is the rise over the run of a line right?
And the formula is y2-y1 as the numerator and x2-x1 as the denominator.

So in this case the two xs are 1 and 2 right?
And the denominator is the second denominator is the second x minus the first x right?

In this case the second x is 2 roght?
And the first x is 1.

So it’s 2-1 which is 1.

So the answer is x2-x1 which is 1

Hope this helps
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sp2606 [1]
If we are to derive the equation that models the growth of the amoeba, we make use of the general form:
p = po k^t
where po is the initial population
k is the multiplicative rate of change

From the problem
3po = po k^(20)
k = 1.06

The equation is
p = 800 (1.06)^t
4 0
4 years ago
Question 3.<br> X and Y are<br> supplementary angles. Given X=72°, find the value of Y.
Natalija [7]

Answer:

<h2>Y = 108°</h2>

Step-by-step explanation:

Since X and Y are supplementary angles it means that the sum of their angles add up to 180°

To find Y , add X and Y and equate it to 180° and solve

That's

X + Y = 180

Y = 180 - X

X = 72°

Y = 180 - 72

We have the final answer as

<h3>Y = 108°</h3>

Hope this helps you

4 0
3 years ago
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Veronika [31]

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3 0
3 years ago
Rewrite f(x) = 3(x-2)^2+1 from vertex form to standard form
MatroZZZ [7]

Answer:

3x² - 12x + 13

Step-by-step explanation:

given

f(x) = 3(x - 2)² + 1 ← expand (x - 2)²

     = 3(x² - 4x + 4) + 1

     = 3x² - 12x + 12 + 1

     = 3x² - 12x + 13 ← in standard form

5 0
3 years ago
Considere la siguiente ecuación: 16a – ( 3a – (6 – 9a) ) = 30a + ( – (3a + 2) – (a + 3) ) III) Al romper paréntesis, agrupar tér
Mamont248 [21]

Answer:

La ecuación simplificada es  a = \frac{11}{19}.

Step-by-step explanation:

Tenemos la siguiente ecuación simultánea: 16\cdot a - [3\cdot a - (6-9\cdot a)] = 30\cdot a +[-(3\cdot a+2)-(a+3)]. El procedimiento consiste en destruir los paréntesis desde dentro hacia fuera, agrupar los términos semejantes y simplificar. Presentamos el proceso paso por paso:

1) 16\cdot a - [3\cdot a - (6-9\cdot a)] = 30\cdot a +[-(3\cdot a+2)-(a+3)] Dado

2) 16\cdot a -\{3\cdot a + (-1)\cdot [6+(-1)\cdot 9\cdot a]\} = 30\cdot a +\{(-1)\cdot (3\cdot a +2)+(-1)\cdot (a+3)\}  -b = (-1)\cdot b

3) 16\cdot a -\{[(-1)\cdot (6)+(-1)\cdot (-1)\cdot 9\cdot a]\}= 30\cdot a +\{\left[(-1)\cdot (3\cdot a) + (-1)\cdot (2)\right] +[(-1)\cdot a +(-1)\cdot (3)] \} Propiedad distributiva

4) 16\cdot a -(-6+9\cdot a) = 30\cdot a +(-3\cdot a -2-a-3) -b = (-1)\cdot b/ (-b)\cdot (-c) = b\cdot c

5) 16\cdot a +(-1)\cdot (-6+9\cdot a) = 30\cdot a -4\cdot a-5 Propiedad distributiva/Definiciones de adición y sustracción/-b = (-1)\cdot b

6) 16\cdot a +[(-1)\cdot (-6)+(-1)\cdot (9\cdot a)] = 26\cdot a -5 Propiedad distributiva/Definiciones de adición y sustracción/Propiedad modulativa.

7) 16\cdot a +6-9\cdot a = 26\cdot a - 5  -b = (-1)\cdot b/ (-b)\cdot (-c) = b\cdot c

8) 7\cdot a +6 = 26\cdot a - 5 Propiedad distributiva/Definiciones de adición y sustracción.

9) 6+5 = 26\cdot a -7\cdot a Compatibilidad con la adición/Definición de sustracción.

10) 11 = 19\cdot a Propiedad distributiva/Definiciones de adición y sustracción.

11) 19\cdot a = 11 Simetría de la igualdad.

12) a = \frac{11}{19} Compatibilidad con la multiplicación/Existencia del inverso multiplicativo/Propiedad modulativa/Definición de división/Resultado.

La ecuación simplificada es  a = \frac{11}{19}.

8 0
3 years ago
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