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Marina86 [1]
4 years ago
8

Describe the error in finding the product (big ideas math)

Mathematics
1 answer:
ch4aika [34]4 years ago
8 0

Answer:

d

Step-by-step explanation:

you have to foil in situations like these, getting you

ksquared +4k+4k+16

2(k)(4) is the same thing as 4k+4k, which is what is missing from the answer

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-9+n/4=-15 answer????
victus00 [196]

Answer:

-2

Step-by-step explanation:

9+n/4= -15

cross multiply

9+4-15=n

13-15=n

n=-2

6 0
3 years ago
plz help thanks so much if you help
Delicious77 [7]

Answer:

n^2 + \frac{2n}{3} + \frac{1}{9} = \frac{1}{9} -- Perfect square trinomial

(n + \frac{1}{3})^2 = \frac{1}{9} ---Binomial squared

Step-by-step explanation:

Given

n^2 + \frac{2n}{3}

Solving (a): Perfect square trinomial

We have:

n^2 + \frac{2n}{3}

Express as an equation

n^2 + \frac{2n}{3} =

Start----------------------------

Take coefficient of n i.e. (2/3)

Half it: i.e. (1/3)

Square it: (1/63^2

Add to both sides of the equation

---------------------------End

So, we have:

n^2 + \frac{2n}{3} + (\frac{1}{3})^2 = (\frac{1}{3})^2

Remove brackets

n^2 + \frac{2n}{3} + \frac{1}{9} = \frac{1}{9}

Solving (b): Binomial Squared

n^2 + \frac{2n}{3} + \frac{1}{9} = \frac{1}{9}

Expand

n^2 + \frac{n}{3}+ \frac{n}{3} + \frac{1}{9} = \frac{1}{9}

Factorize:

n(n + \frac{1}{3})+ \frac{1}{3}(n + \frac{1}{3}) = \frac{1}{9}

Factor out n + 1/3

(n + \frac{1}{3})(n + \frac{1}{3}) = \frac{1}{9}

Express as square

(n + \frac{1}{3})^2 = \frac{1}{9}

4 0
4 years ago
5x=2x+18 solve with work
kirill [66]

Answer:

X = 6

Step-by-step explanation:

  1. First, we need to move all the terms containing X to the left side of the equation. We need to subtract 2x from both sides of the equation.

5x=2x+18

5x-2x = 2x-2x + 18

3x=18

     2. To get x by itself, we need to divide by 3.

3x=18

\frac{3x}{3} = \frac{18}{3}

X = 6

8 0
3 years ago
What is the quotient (a-3/7)÷(3-a/21) <br> -(a-3)^2/147<br> (a-3)^2/147 <br> 3 <br> –3
gladu [14]
-3 is the answer. :)
7 0
3 years ago
Read 2 more answers
Will give brainliest, look at the picture. HURRY PLSS
lyudmila [28]

Answer:

triangle s

that is my answer

5 0
3 years ago
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