Pls helppppp 25 pt and brainiest for whoever answers it right. Find the longest side of a parallelogram with a perimeter of 66ft., If the sides measure 3x + 1 and 2x - 3.

Answers

Answer 1
Answer:

Given:-

  • Perimeter of parallelogram = 66 ft

  • One side,a = 3x + 1

  • Other side,b = 2x - 3

Tofindout:-

Find the longest side of a parallelogram.

Formulaused:-

Perimeter of parallelogram = 2 ( a + b )

Solution:-

We know that,

Perimeter of parallelogram = 2 ( a + b )

★ Substituting the values in the above formula,we get:

⇒ 66 = 2 ( 3x + 1 + 2x - 3 )

⇒ 66 = 2 ( 5x - 2 )

⇒ 66/2 = 5x - 2

⇒ 33 = 5x - 2

⇒ 5x - 2 = 33

⇒ 5x = 33 + 2

⇒ 5x = 35

⇒ x = 35/5

⇒ x = 7 ft

Now,

One side,a = 3x + 1

★ Putting the value of x

⇒ 3 × 7 + 1

⇒ 21 + 1

⇒ 22 ft

Other side,b = 2x - 3

★ Putting the value of x

⇒ 2 × 7 - 3

⇒ 14 - 3

⇒ 11 ft

Hence,thelongestSideofgivenparallelogramis22ft(3x+1).


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Kelly is saving her money to buy a car. She has $250, and she plans to save $75 per week from her job as waitress.a. Model the situation using an arithmetic sequence.

b. How much will kelly have saved after 8 weeks?

c. If the car costs $2000, how long will it take her to save enough money at this rate?


Please someone help me.

Answers

so she is essentially saving 250+n*75, where n is the number of weeks.


after 8 weeks she will have 250+8*75,  (you need to substitute n for the number of weeks, which is 8)

which is
250+600=850

how many more does she need for  a car?
she is still missing 2000-850, that is 1150. divide it by 75: it's a little more than 15: so she actually needs to save for 16 weeks after she's been saving for 8, that's a total of 24 weeks.


so in total it will take her 24 weeks (and she will have  a little extra).

Which could be the length?

Answers

Answer:

The possible length of the third side = 1 ft, 2 ft, 3 ft, 4 ft, 5 ft, 6 ft, 7 ft, 8 ft, 9 ft, 10 ft or 11 ft

Step-by-step explanation:

Given;

two side of the triangle, 6 ft and 6 ft

let the third side of the triangle = x

Apply the rules of length of a triangle to determine the third side of the triangle.

Based on this rule:  (6 - 6)  < x < (6 + 6)

                                    0 < x < 12 ft

Therefore, the length of the third side will be greater than 0 but less than 12 ft

The possible length of the third side = 1 ft, 2 ft, 3 ft, 4 ft, 5 ft, 6 ft, 7 ft, 8 ft, 9 ft, 10 ft or 11 ft

Me pueden colaborar por favorTema : Números reales

1. Juanita tenia en su casa 15/20 kg de arroz y un vecino le regalo 1/4 kg más para preparar arroz con leche . Del total de arroz que recolecto , utilizo 11/20 kg ¿Que cantidad de arroz no utilizo ?

2. Doña teresa para recolectar dinero y comprar comida vendió los 2/3 de una docena de zapatos el lunes , Los 3/12 de una docena el martes y los 4/6 el miércoles . Si tenia dos docenas de pares de zapatos ¿Cuantos pares le quedan ?

3. Rodolfo tiene en la nevera 4 kg de mango , 3/4 kg de naranja , 1/2 kg de manzana y 3 kg de uva . Deposito todas sus frutas en una caja para regalarlas a la gente que no ha podido salir de sus casas .¿Cual es el peso de las frutas que va a regalar ?

Answers

Answer:

Step-by-step explanation:

Hola!

1)

Juanita tiene 15/20 Kg de arroz

Le regalan 1/4 Kg

Y utiliza 11/20Kg para preparar arroz con leche.

Lo primero que tienes que hacer es llevar todas las fracciones al mismo denominador.

20 y 15 son multiplos de 5, asi que 15/20 se puede simplificar a 3/4

Pero 11 es un númro primo, por lo que solo es divisible por 1 y si mismo. Entonces no podemos Llevar las tres fracciones a común denominador 4, así que lo mejor es llevarlo a 20.

(1*5)/(4*5)= (5)/(20)

Entonces ella tenía 15/20 y le regalaron 5/20, por lo que tiene en total

(15)/(20) +(5)/(20) = (20)/(20) = 1

De esos uso 11/20

(20)/(20) - (11)/(20) = (20-11)/(20)= (9)/(20)

Quedaron 9/20 Kg de arroz sin usar.

2)

Doña Teresa, tenía dos docenas de pares de zapatos.

El Lunes vendió 2/3 de una docena

El martes vendió 3/12 de una docena

El miércoles vendió 4/6

Al igual que en el punto anterior, el primer paso es buscar el común denominador para todas las fracciones así las cuentas son más fáciles.

Siempre que buscas un común denominador tiene que el menor número posible por el que se puedan dividir todos los componentes de las fracciones y obtener números enteros.

En este caso parecería a simple vista que el común denominador es 3, pero 3/12 equivale a 1/4, no tiene equivalencia en "tercios"

Tampoco 4 resulta un buen común denominador, dado que no hay equivalente para 2/3 en "cuartos".

Lo que queda es buscar un denominador común que abarque al 3 y al 4, lo más rápido es multiplicarlos 3 * 4 = 12, así que utilizaremos el 12 como denominador común.

Originalmente tiene dos docenas de zapatos, expresado en fracciones podés decir que tiene 24/12.

El lunes vendió 2/3, para llevarlo a doceavos tenés que multiplicar el numerador y el denominador por 4

(2*4)/(3*4)= (8)/(12)

El martes vendió 3/12

El miércoles vendió 4/6, para llegar a 12 hay que multiplicar el numerador y denominador por dos:

(4*2)/(6*2)= (8)/(12)

Ahora que ya están todos expresados con el mismo denominador, podés calcular cuantos zapatos vendió:

(8)/(12) +(3)/(12) +(8)/(12) =(8+3+8)/(12) = (19)/(12)

Y le quedaron:

(24)/(12) - (19)/(12) =(24-19)/(12) = (5)/(12)

3)

4Kg mangos

3/4Kg naranjas

1/2Kg manzanas

3kg uvas

Como antes, primero debes buscar un común denominador y expresar todas las fracciones bajo el mismo denominador.

4 kg de mango y 3 kg de uva son numeros enteros, pueden expresarse como 4/1kg y 3/1kg

Luego tienes 3/4 kg de naranjas y 1/2 kg de manzanas, ya que no puedes expresar 3/4 en "medios", lo mejor es expresar el medio kg de manzanas en cuartos, multiplicandolo por dos. Entonces nuestro común denominador va a ser cuatro:

3/4 naranjas

(4*4)/(1*4)= (16)/(4) mangos

(3*4)/(1*4) = (12)/(4)

(1*2)/(2*2) = (2)/(4)

Entonces tienes

(16)/(4) + (3)/(4)  +(2)/(4)  +(12)/(4)= (16+3+2+12)/(4) = (33)/(4)

En total va a regalar 33/4 kg de frutas.

Espero que tengas un buen día!

Sams credit card balance is less than -$36. Does Sam owe more or less than $36

Answers

He owes more.

He has LESS than -36. So he getting further from zero.

So he could have -40 or something because that's less money than -36.

So because the negative number is bigger than 36, he will owe more than 36.
If his credit card balance is in the negative then he is OWED that amount by the credit card company in order to make his balance Zero.
If he owed that money to the credit card it would be a positive number. Your balance is what you owe to pay it to zero.

Suppose you place 16 green, 25 blue, and 9 yellow marbles in a non-transparent bag. you then randomize the marbles by shaking them up thoroughly. assume you then randomly select two marbles from the bag without replacement. what is the probability of selecting two blue marbles?

Answers

Answer: (12)/(49)

Step-by-step explanation:

16 green + 25 blue + 9 yellow = 50 Total

First pick: 25 blue out of 50 total = (25)/(50) = (1)/(2)

Second Pick: 24 blue out of 49 total = (24)/(49)


First Pick    AND    Second Pick

       (1)/(2)           x                (24)/(49)   =        (24)/((2)49)      = (12)/(49)

a dog weighs 44 pounds and the veterinarian thinks i needs to lose 7 pounds. Milkala wrote the equation x+7 to represent the situation. Kirk wrote the equation 44- x = 7. Which equation is correct? can you write another equation that represents the situation?

Answers

so assuming that you meant that the dog needs to lose 7 pounds
the equation should be
44-7=x
where x represents the dog's ideal weight

x+7 means 7 more pounds
44-x=7 means that 44 minus the ideal weight is 7
this can be reweiten as 44-7=x so this is correct


Kirk is correct
another equation is 44-7=x

Hmmm I don't think either is correct.

So he weighs 44 pounds, and needs to lose 7 pounds

44 - 7 = x

where x is the dog's new weight.