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Rom4ik [11]
3 years ago
6

A circle has a diameter of 41 centimeters Which equation can be used to find the radius of this circle? 41 T= 2(41) T417​

Mathematics
1 answer:
Crank3 years ago
6 0

Answer:

If we are given diameter and we need to find radius then,

Radius(r) = Diameter(d) ÷ 2

⇒ r = d÷2

So here d = 41

So r = d÷2

⇒ r = 41 ÷ 2

⇒ r = 20.5

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In the diagram, line I and line m are parallel lines cut by transversal n.<br> b<br> a<br> n<br> m
baherus [9]

The measure of both the interior angles are 70 and 110 degree.

<h3>What are Parallel Lines ?</h3>

Lines they never intersect with each other and the distance between them always remains same are called parallel lines.

It is given that

Line l and m are parallel lines and are intersected by a transversal ,n

Interior angles of the same side are (2x−8) degree and (3x−7) degree

Applying the property of interior angles of parallel lines

2x -8 + 3x - 7 = 180 degree

5x -15 = 180

5x = 195

x = 39 degree

Both the angles have measure of

2 * 39 - 8 = 70 degree

3 * 39 -7 = 110 degree

Therefore the measure of both the angles are 70 and 110 degree.

The complete question is

Two parallel lines l and m are cut by a transversal  n . If the interior angles of the same side of n are (2x−8) degree and (3x−7) degree  , find the measure of each of these angles.

To know more about Parallel Lines

brainly.com/question/16701300

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4 0
2 years ago
Create a story problem for 3/4 times 3
luda_lava [24]

Answer:

Kendrick is making a buffet for his family. He needs  3x3/4 of flour to make it.

He doesn't know what store to go to either.

8 0
3 years ago
Mr. Crosby's is driving jack, cassidy, and victor to the library. Jake lives 1/4 miles from the library, cassidy lives 1)3 mile
irakobra [83]

Answer:

5/8, 1/3, 1/4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The area of the shaded portion of the rectangle is how many units larger than the area of the unshaded portion of the rectangle?
slega [8]

Answer:

(x^{2}-x-2)\ units^{2}

Step-by-step explanation:

step 1

Calculate the area of the shaded portion

A1=(2x+3)(x+1)\\ \\A1=2x^{2}+2x+3x+3\\ \\A1=(2x^{2}+5x+3)\ units^{2}

step 2

Calculate the area of the unshaded portion

A2=(x+5)(x+1)\\ \\A2=x^{2}+x+5x+5\\ \\A2=(x^{2}+6x+5)\ units^{2}

step 3

Find the difference of the areas

A1-A2=(2x^{2}+5x+3)-(x^{2}+6x+5)=(x^{2}-x-2)\ units^{2}

7 0
4 years ago
Una bacteria se divide en dos cada 6 minutos Si a las 12:15 horas se coloca una bacteria en un recipiente¿ A que hora habrá 128
DaniilM [7]

Answer:

A las 12:57 horas habrá 128 bacterias en el recipiente.

Step-by-step explanation:

Una función exponencial es aquella en que la variable independiente x aparece en el exponente y tiene de base una constante a. Su expresión es:

f(x)= aˣ

Siendo a un real positivo, a > 0, y diferente de 1.

Cuando 0 < a < 1, entonces la función exponencial es una función decreciente y cuando a > 1, es una función creciente.

Algunos tipos de bacterias se reproducen por "mitosis", dividiéndose la célula en dos cada espacios de tiempo pequeños, como sucede en este caso. Entonces, "a" tendrá un valor de 2, que es la cantidad en la que se divide la bacteria, y "x" será los intervalos de tiempo. Si hay 128 bacterias en el recipiente, la expresión exponencial del crecimiento de la bacteria en x intervalo de tiempo será:

2ˣ= 128

Una manera de resolver la x es aplicando logaritmos. Entonces, aplicando el logaritmo común de ambos lados. (Cuando la base no está escrita, se trata de la base 10):

log (2ˣ) = log (128)

Aplicando la propiedad de la potencia de los logaritmos:

x* log (2)= log (128)

x= log (128) ÷ log (2)

x= 7

Cada intervalo de tiempo tiene 6 minutos, que es el tiempo en que una bacteria se divide en 2. Entonces, el tiempo que se tarda en obtener 128 bacterias se calcula como:

7 intervalo* 6 minutos= 42 minutos

Si a las 12:15 horas se coloca una bacteria en un recipiente, entonces el horario a la que habrá 128 bacterias se calcula como:

12:15 + 42 minutos= 12:57

<u><em> A las 12:57 horas habrá 128 bacterias en el recipiente.</em></u>

3 0
3 years ago
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