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Pachacha [2.7K]
3 years ago
5

Simplify the algebraic expression by combining like (or similar) terms. -7x - 8y- 5x - 6y

Mathematics
2 answers:
stira [4]3 years ago
7 0

Answer:

-12x - 14y

Step-by-step explanation:

First I would move them side by side so I can see it better so:

-7x - 5x - 8y - 6y

now combine the x values together and the y values together:

-12x - 14y

Norma-Jean [14]3 years ago
5 0
-7x-8x-5x-6y
= -20x-6y
Is your answer
Plz make it a brainliest answer
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diketahui akar akar persamaan kuadrat 2x^2-9x + 7 = 0 adalah x1 dan x2. nilai dari x1^2 + x2^2- 4x1x2 adalah...
Leviafan [203]
<span>jika xy = 0 , kemudian menganggap x dan y = 0

faktor 2x^2-9+7
(2x-2)(x-7)=0

2x-2=0
2x=2
x=1

x-7=0
x=7

</span><span>jika 1 = x1 dan 7 = x2 maka jawabannya adalah 1^2+7^2-4(1)(7)=22
</span>
jika 7 = x1 dan 1 = x2 maka jawabannya adalah
7^2+7^2-4(7)(1)=22

<span>jawabannya adalah 22</span>


6 0
3 years ago
PLZZ ANSWER THIS AS SOON AS POSSIBLE!!!!
alexandr402 [8]

Answer:

y = -9.3

if they are complementary it is 45 degrees

if they are supplementary it is 90 degrees

Step-by-step explanation:

-12.7 = y -3.4

-12.7 + 3.4 = y -3.4 + 3.4

-9.3 = y

complementary angles equal to 90 degrees

supplementary angles equal to 180 degrees

vertical angles have same degrees

so 90/2= 45

180/2 =90

3 0
3 years ago
Read 2 more answers
Proportions in Triangles (8)
pishuonlain [190]

Answer:

not really sure maybe 12

4 0
3 years ago
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What’s the answer for 7+25•4
kotykmax [81]
Use Order of Operations!! Remember PEMDAS!
P: Parentheses first
E: Exponents (ie Powers and Square Roots, etc.)
MD: Multiplication and Division (left-to-right)
AS: Addition and Subtraction (left-to-right)

7+25•4 (multiply 25 by 4 first)
7+100 (then add 7 to 100)
107

So your final answer would be 107

Hope this helped and I hope you have an awesome day!! :D
3 0
3 years ago
Read 2 more answers
-x + y = 4<br>x + 3y =4​
Ymorist [56]
The answer is -2,2 for this problem
3 0
3 years ago
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