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TEA [102]
3 years ago
8

40 divided by(-0.25)

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
7 0

Answer:

-160

Step-by-step explanation:

Allushta [10]3 years ago
6 0

Answer:

-160

Step-by-step explanation:

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Suppose you flip a coin n times, and the probability of getting heads 15 times is .0148. what n?
sertanlavr [38]
With n tosses, there are a total of 2^n possible outcomes. We need 15 of theses to be heads.
Since the tosses are random, we want to count the ways to have exactly 15 of them being heads. That will be C(n,15) ways to pick which tosses are heads.
The probability will be given by:
C(n,15)/2^n=0.0148
At this point we use various values of n until we get the correct probability.
n=18⇒0.003112793
n=19⇒0.007392883
n=20⇒0.014785767
n=21⇒0.025875092

Answer:
n=20
6 0
3 years ago
Write a compound inequality where A quantity x is at least 10 and at most 20
inna [77]
<h3><u>20 ≥ x ≥ 10</u></h3>

would the way to display the compound inequality.

3 0
4 years ago
Esto es una división por favor ayuda
irina [24]

El resultado de esta división es 0.010

<h3>¿Cómo solucionar la operación matemática?</h3>

Para solucionar la operación matemática debemos realizar los siguientes pasos:

  1. Como el 81 es menos que el 7593, debemos poner un cero en el cociente y agregarle un cero al 81, entonces quedaría 810 dividido 7593.
  2. Como el 810 sigue siendo menor que el 7593, añadimos coma (,) y otro cero en el 810, entonces quedaría 8100 dividido 7593.
  3. Una vez tenemos el 8100 dividido 7593 realizamos la división, en este caso vemos cuántas veces cabe 7593 en 8100 y lo multiplicamos por ese número de veces (1).
  4. Una vez tenemos estos números a 8100 le restamos 7593 y obtenemos como resultado 507.
  5. Nuevamente, 507 es menos que 7593, entonces debemos agregar otro cero en el cociente para conocer las siguientes cifras decimales que falta.
  6. Ahora debemos averiguar cuántas veces cabe 7593 en 50700. Este número cabe 6 veces, entonces lo multiplicamos por 6 y luego restamos 50700 - 7593.
  7. Para conocer las siguientes cifras decimales debemos ir agregando un número cero en el resto para poder realizar las restas y seguir la división.

Aprenda más sobre división en: brainly.com/question/24592547

#SPJ1

6 0
2 years ago
Which function vertex form is equivalent to f(x)=x^2+6x+3?
Leto [7]

Answer:

y = (x + 3)² - 6

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Given

f(x) = x² + 6x + 3

Using the method of completing the square

add/subtract ( half the coefficient of the x- term)² to x² + 6x

f(x) = x² + 2(3)x + 9 - 9 + 3

     = (x + 3)² - 6 ← in vertex form

6 0
3 years ago
Please help I will give you the points ! Based on this information, which proportion is true?
Lelu [443]

Answer:

c

Step-by-step explanation:

im pretty sure its c. every other one is wrong except a and c. and the placement for a is wrong. so i think c.

4 0
3 years ago
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