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inysia [295]
3 years ago
15

Brandon uses the steps below to solve the equation 15x +6 = 14x +5 using algebra tiles.

Mathematics
2 answers:
Fed [463]3 years ago
6 0

Answer:

D. Brandon is not correct because he should have added 6 negative unit tiles to isolate the variable in step 2

Step-by-step explanation:

Key goal is to have x on one side while the other value to the right. By subtracting 14x on both sides, you would get x+6=5. You would finally subtract 6 on both sides, not 5, to get the x by itself, thus x=-1.

givi [52]3 years ago
3 0

Answer:

Dame that sucks yall got summer school

Step-by-step explanation:

the answer is D btw

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Match the like terms (picture provided)​
OverLord2011 [107]

-x ---------------- 1x

7y --------------- 12y

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-5x^3 ---------- 15x^3

_____________________

you just have to match the terms which have the same power.

Hope it helps ^^

8 0
3 years ago
Complete the square to the problem X^2+6x-16=0
marishachu [46]

Answer:

<h2>x = -8 or x = 2</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\-------------------------------\\\\x^2+6x-16=0\qquad\text{add 16 to both sides}\\\\x^2+6x=16\\\\x^2+2(x)(3)=16\qquad\text{add}\ 3^2\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=16+3^2\\\\(x+3)^2=16+9\\\\(x+3)^2=25\Rightarrow x+3=\pm\sqrt{25}\\\\x+3=-5\ \vee\ x+3=5\qquad\text{subtract 3 from both sides}\\\\\boxed{x=-8\ \vee\ x=2}

3 0
3 years ago
How do you graph slope 3/4 y intercept -3
Reptile [31]

Answer:

I am not sure about this question sry but u can try asking a tutor u don't need to use any points

6 0
3 years ago
Jade buys a blouse and a skirt for 34 of their original price. She pays a total of $31.50 for the two items. If the original pri
solniwko [45]
It’s what the other person said
7 0
3 years ago
Ok so I’m the answer but how do I get to that answer can someone please help me I am desperate
Svet_ta [14]
X + (x + 10) = 154
2 x + 10 = 154
2 x = 154-10 = 144
x = 72 (ans)
Not sure if it’s right
7 0
4 years ago
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