3 years ago

Which expressions are equivalent to the one below? Check all that apply. 25^x

Mathematics

1 answer:

dolphi86 [110]3 years ago

7 0

A and D but I’m not sure if F

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(2a+b)^2 how do you do this

gulaghasi [49]

• Expand (2a + b)²:

(2a + b)²

= (2a + b) · (2a + b)

Multiply out the brackets by applying the distributive property of multiplication:

= (2a + b) · 2a + (2a + b) · b

= 2a · 2a + b · 2a + 2a · b + b · b

= 2²a² + 2ab + 2ab + b²

Now, group like terms together, and you get

= 2²a² + 4ab + b²

= 4a² + 4ab + b² <——— expanded form (this is the answer).

I hope this helps. =)

Tags: special product square of a sum algebra

3 0

3 years ago

What does the blank equal??

kolbaska11 [484]

Answer:

To a power, elevated to something

5 0

4 years ago

Read 2 more answers

Savannah runs a day care center. Of the 12 children at the day care center, 3 of them are

sertanlavr [38]

Answer:

$\frac{1}{4}$

Step-by-step explanation:

3 out of 12 children at the day care center are 5-year-olds. So, the probability of a randomly selected child being a five-year old is $\frac{3}{12}$ , or $\frac{1}{4}$ .