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Elden [556K]
2 years ago
13

Select the correct answer.

Mathematics
1 answer:
Allushta [10]2 years ago
5 0

Answer:

Step-by-step explanation:

Like terms have same variable with same exponent. Combine the like terms.

x + x = 2x  {Just add the coefficient}

x + y + x +y + 30 + 5 = <u>x +x</u>  +  <u>y + y</u>   + <u>30 + 5</u>

                                 = 2x + 2y + 35

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Plz help me i dont understand
stiks02 [169]

Answer:

23

hope it helped you!!

BTW, angle 1 + angle 2 = 180

7 0
3 years ago
Read 2 more answers
Toni and Jade live on the same street as the Middle School. Toni lives 6.1
Nataly_w [17]

Answer:

Jade and Toni are 58.1 miles apart from each other.

Step-by-step explanation:

All you have to do is add the distances.

52 + 6.1 = 58.1

5 0
3 years ago
Work out the value of<br> 5^8 x 5^-2 /<br> 5^4
IrinaK [193]

Answer:

the answer is 25

Step-by-step explanation:

7 0
3 years ago
HELP ASAP ILL GIVE BRAINLIST
tankabanditka [31]

Answer: I think the answer would be (2, -1)

8 0
3 years ago
Number 18 pls help me
Harman [31]
Lila did it correctly. The answer is 324

Following PEMDAS, we first focus on the parenthesis. So we simplify 9-3 to get 6

So we go from 
18*4^2+(9-3)^2 
to 
18*4^2+6^2 

The next step is applying exponents. In this case, squaring the terms, so we go from
18*4^2+6^2 
to
18*16+36

Next is multiplying
18*16+36
turns into
288+36

Finally, add up 288 and 36 to get 288+36 = 324

That confirms that Lila is correct

----------------------

The error that Rob made is that he computed 18*4^2+9^2-3^2 but it is NOT correct. Saying (x-y)^2 = x^2-y^2 isn't a true equation for all x and y. Again you have to simplify what is in the parenthesis first, and then you can square it. Or you must use the FOIL rule to expand out (9-3)^2


7 0
3 years ago
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