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AlekseyPX
3 years ago
9

A scale drawing of a mural uses the scale 2 centimeters (cm):10 meters (m). Another scale drawing of the same mural uses the sca

le 2 cm:4 m. In the first scale drawing, the mural is 7 cm long. What is the length of the mural in the second scale drawing?
Mathematics
1 answer:
topjm [15]3 years ago
6 0

Answer:

The answer that you are going to get is 23.56

Step-by-step explanation:

You solve that by multiplying all the numbers and then you divide by 2.

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Ordena de mayor a menor en los Ejercicios 9 a 12.
Dominik [7]

Answer:

We are required to order the numbers from greatest to least.

So, according to the options:

1. 9.129, 9.37, 9.3, 9.219

Since, the number of digits after the decimal place are not same, so we make them equal by adding 0 at the end. SO, we have,

9.129, 9.370, 9.300, 9.219

As, the ones place in each of the number is same, we look at the digit after the decimal.

Now, 9.370 and 9.300 have the same number after the decimal, so we look at the next number i.e 7 and 0 respectively.

As 7 > 0, so we get 9.370 > 9.300.

Hence, the order becomes 9.370, 9.300, 9.219, 9.129.

2. 0.012, 0.100, 0.001, 0.101

Again, as the ones place in each of the number is same, we look at the digit after the decimal.

Now, 0.101 and 0.100 have the same number till two places after the decimal, so we look at the next number i.e. 1 and 0 respectively.

As 1 > 0, so we have 0.101 > 0.100

Hence, the order becomes 0.101, 0.100, 0.012, 0.001.

3. 5.132, 5.123, 5.312, 5.231

Again, as the ones place in each of the number is same, we look at the digit after the decimal.

Now, 5.132 and 5.123 have the same number after the decimal, so we look at the next number i.e. 3 and 2 respectively.

As 3 > 2, so we get 5.132 > 5.123.

Hence, the order is 5.312, 5.231, 5.132, 5.123.

4. 62.905, 62.833, 62.950, 62.383

As the ones place in each of the number is same, we look at the digit after the decimal.

Now, 62.905 and 62.950 have the same number after the decimal, so we look at the next number i.e. 0 and 5 respectively.

As 5 > 0, so we get 62.950 > 62.905.

Hence, the order becomes 62.950, 62.905, 62.833, 62.383.

3 0
4 years ago
Si yo tengo una canasta llena de mangos y piñas, de las cuales hay 30
skelet666 [1.2K]

Respuesta: Es más probable sacar un mango.

Explicación:

La probabilidad se refiere a la posibilidad de que un evento occura y no otro. En el caso que se describe, la probabilidad de sacar cada fruta puede ser calculada dividiendo el total de cada fruta en el número de frutas totales:

Probabilidad de sacar un mango:

\frac{cantidad de mangos}{cantidad de frutas en la canasta} =  \frac{30}{50}  =0.6

Probabilidad de sacar una piña:

\frac{cantidad de pinas}{cantidad de frutas en la canasta} = \frac{20}{50} = 0.4

De acuerdo a lo anterior la probabilidad de sacar un mango es de 0.6 o de 60% (multiplica la probabilidad por 100 para saber su equivalente en porcentaje), mientras que la probabilidad de sacar un mango es de 0.4 o 40% lo cual es mucho más bajo. Es decir que es más probable sacar un mango.

7 0
3 years ago
Rita ran for class president. She received 90 votes in the election. These votes represent 60% of the total number of students i
Sholpan [36]

Answer:

54 students

Step-by-step explanation:

90× 60% = 54

6 0
3 years ago
Read 2 more answers
Bone-shaped treats are 5 for $3.50 at Shelley's store and Sarah wants to buy 12. She set up and solved this proportion to find h
Molodets [167]

Answer:

Her error was multiplying numerator by numerator ( that is Quantity of Bone-shaped treats)

Step-by-step explanation:

Sarah's calculation

Let

x = cost of 12 Bone-shaped treats

Quantity of Bone-shaped treats : price

5 : 3.5 = 12 : x

(5/3.5) = (12/x)

Cross product

3.5x=60 (Here is her error)

x=17.14

Correct calculation

Quantity of Bone-shaped treats : price

5 : 3.5 = 12 : x

5 / 3.5 = 12 / x

Cross product

5 * x = 3.5 * 12

5x = 42

x = 42 / 5

= 8.4

x = $8.4

Her error was multiplying numerator by numerator ( that is Quantity of Bone-shaped treats)

Instead of multiplying Quantity of Bone-shaped treats by cost

7 0
3 years ago
Read 2 more answers
true or false: b) If a line contains a center of a circle, it is a secant of the circle. (c If 2 chords intersect a circle, they
Valentin [98]

Answer:

b) true

c) false

d) true

e) true

Step-by-step explanation:

b) Any line that contains an interior point of a circle is a secant of the circle. The center is an interior point, so a line that contains the circle center is a secant.

__

c) Chords of different lengths intercept arcs of different measures

__

d) Any line perpendicular to a radius at the point where the radius meets the circle is a tangent to the circle. The endpoint of a diameter is the endpoint of a radius, so a line perpendicular there will be a tangent.

__

e) The measure of an inscribed angle is half the measure of the intercepted arc, so all inscribed angles that intercept equal arcs are equal.

5 0
3 years ago
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