samuelesbronstein samuelesbronstein

07-04-2021
Mathematics

contestada

Which pair of expressions are equivalent?

27x + 45y and 7(9x + 7y)

2x + 18y and 2(x + 9y)

2(15x + y) and 30x + 15y

10(4x + 5y) and 20x + 10y

Respuesta :

MohamedAzaarena MohamedAzaarena

08-04-2021

Answer:

second one

Step-by-step explanation:

Because when you try to remove the brackets then you should multiply coefficient of x and coefficient of y by 2

So it will be 2x+18y

2*9=18

Answer Link

Otras preguntas

help‼️ if a number is even, then it is divisible by 2. g=14

Which of the following correlation coefficients represents the strongest correlation? O 0.043680937 0 -0.313535265 O-0.922107932 O 0.854423006

which equation represents a line that passes through (0,-8) and (-5,23)

As Virginia's white population grew, what happened to the Native American population?A. It also grew because of better medical care.B. It became nonexistent bec

How do I attempt to sell an idea for an App I have?

Find the value of angle E Need help Asap 10 minutes left

According to Emile Durkheim, which action is generally considered sacred? A. Brushing teeth in the morning B. Saying a prayer before eating C. Studying before t

Evaluate the integral by making the given substitution. (Use C for the constant of integration. Remember to use absolute values where appropriate.) ∫(x^4 / (x^5

What is the factored form of 3x2 + 5x - 12?

Both equilibrium equations and constitutive models are needed to solve statically indeterminate problems. a)- True b)-False