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cricket20 [7]
3 years ago
8

A company makes Poppy Lapel Pins.

Mathematics
1 answer:
Blizzard [7]3 years ago
6 0

Answer:

1000 less 35% == 650

so 250 given to charity

total cost making the pins was 1000x 1.10 = 1100

so you need to find 60 percent of 650 =390

and 40 percent of 650 = 260

so then you need to find the cost 390 x 3 pounds each so × this and gives you 1170 cost sold for intotal

Then you have 260 ÷2 = 130 x 5 = 650

so you have 650+1170 = 1820 - 1100 cost to make =720 pounds

think this right

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A bag contains 7 blue cards, 4 green cards, 6 red cards, and 8 yellow cards. You randomly choose a card. How many possible outco
sweet [91]

Answer:

25 possible outcomes

19 non-red outcomes

Step-by-step explanation:

there are 25 cards. if you remove the 6 red card outcomes you have 19.

4 0
3 years ago
What number should be added to get 10/77 to get 1 ?
harkovskaia [24]
I think to add to the same number and it would be a whole number
6 0
3 years ago
Hola me ayudan con esta pregunta TRANSFORMAR LOS SIGUIENTES DECIMALES EN FRACCIÓN, 1.- 8,485 2.- 125,65 3.- 54,987987... 4.- 266
Nitella [24]

Answer:

Ve la respuesta abajo

Step-by-step explanation:

Para hacer la conversión de decimales a fracción, es necesario hacer dos cosas:

1. Identificar el tipo de decimal (finitos, infinito periódico, infinito semi periódico).

2. Aplicar la expresión o formula correspondiente, dependiendo del tipo de decimal.

Un decimal finito es aquel que solo tiene un número determinado de decimales y no se extiende al infinito.

Un decimal infinito periódico, es aquel cuya cifra decimal se repite constantemente hasta el infinito, esto puede ser un decimal, dos, etc.

Un decimal semi infinito periódico es aquel donde una parte de los decimales se mantiene sin repetir, y la otra parte se repite hasta el infinito.

Una vez que hayas identificado el tipo de decimal, solo debes aplicar alguna de los 3 casos siguientes:

1. PAra un decimal finito se convierte la cifra decimal en un numero entero multiplicando por 10, 100, 1000 depende del número de decimales que tenga, y se divide entre 10, 100, 1000.... segun el número de decimales y se simplifica la fracción si es posible.

2. Para un infinito periódico se anota el número y se le resta él o los números que están antes del período. Se coloca como denominador un 9 por cada número que está en el período (si hay un número bajo la rayita se coloca un 9, si hay dos números bajo el período se coloca 99, etc.). Si se puede simplificar, se simplifica.

3. El numerador de la fracción se obtiene, restando al número la parte entera y el anteperíodo, o sea, todo lo que está antes de la “rayita”.  El denominador de la fracción se obtiene colocando tantos 9 como cifras tenga el período y tantos 0 como cifras tenga el anteperíodo. Como siempre, el resultado se expresa como fracción irreductible (no se puede simplificar más) o como número mixto.

Dicho esta parte teórica, pasemos a la práctica y convirtamos los decimales a fracción:

1. 8,485: decimal finito, con 3 decimales, lo anotamos sin la coma, y entonces colocas como denominador el 1000, porque fueron 3 decimales, 3 ceros ----------> 8485/1000 = 1697/200   (se simplificó por 5)

2.  125,65: decimal finito -----> 12565/100 = 2513/20

3. 54,987987: infinito periódico, aplicamos los pasos de arriba:

54,987987 = 54987 - 54 / 999 = 54933 / 999

4. 266.8484..: infinito periódico

266,8484.... = 26684 - 266 / 99 = 26418 / 99

5. 4,78999.: Infinito semiperiódico

4,78999 = 4789 - 478 / 900 = 4311 / 900

6. 942,74111: infinito semiperiódico

942,74111 = 942741 - 94274 / 900 = 848467 / 900

Espero te sirva

3 0
4 years ago
You can choose between two telephone companies. Company A has a monthly charge of $10 plus 5¢ a minute for each minute of long d
Diano4ka-milaya [45]

Answer: Company A would be a better deal for number of minutes over 200

Step-by-step explanation:

Let x represent the number of minutes that you would use with either company A or company B.

Company A has a monthly charge of $10 plus 5¢ a minute for each minute of long distance calls. It means that the cost of x minutes of long distance call is

10 + 0.05x

Company B has a monthly charge of $8 plus 6¢ a minute for long distance calls. It means that the cost of x minutes of long distance call is 10 + 0.05x

8 + 0.06x

For Company A to be a better deal, it means that

10 + 0.05x < 8 + 0.06x

10 - 8 < 0.06x - 0.05x

2 < 0.01x

0.01x > 2

x > 2/0.01

x > 200

5 0
3 years ago
Find the value of StartFraction partial derivative z Over partial derivative x EndFraction at the point​ (1,1,1) if the equation
scZoUnD [109]

Looks like the given curve is

5<em>xy</em> + <em>z</em>⁴<em>x</em> - 3<em>yz</em> = 3

Differentiate both sides with respect to <em>x</em> :

5<em>y</em> + 4<em>z</em>³<em>x</em> ∂<em>z</em>/∂<em>x</em> + <em>z</em>⁴ - 3<em>y</em> ∂<em>z</em>/∂<em>x</em> = 0

Solve for ∂<em>z</em>/∂<em>x</em> :

(4<em>z</em>³<em>x</em> - 3<em>y</em>) ∂<em>z</em>/∂<em>x</em> = - (5<em>y</em> + <em>z</em>⁴)

∂<em>z</em>/∂<em>x</em> = - (5<em>y</em> + <em>z</em>⁴) / (4<em>z</em>³<em>x</em> - 3<em>y</em>)

At the point (1, 1, 1), this derivative is

∂<em>z</em>/∂<em>x</em> (1, 1, 1) = - (5 + 1) / (4 - 3) = -6

4 0
3 years ago
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