Answer:
5
r
o
2
t
Step-by-step explanation:
(√3+√7)²
We know ,[(a+b)²=a²+2ab+b²]
=>(√3+√7)²=(√3)²+2(√3)(√7)+(√7)²
=>(√3+√7)²=3+2√21+7
=>(√3+√7)²=10+2√21
Hello!
<u><em>Answer: </em></u>
<u><em>1. =-6</em></u>
<u><em>2. =39</em></u>
<u><em>3. =-603</em></u>
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Explanation: This question's it's about the order of operations. It stands for p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right. (PEMDAS)
1. -4(3-1)+2
Do parenthesis first.


Then do multiply left to right.

Add left to right.


*Answer should be have negative sign.*
Answer: → 
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2. 3⋅[(30−8)÷2+2]
Do parenthesis first.


Then divide left to right.

Add left to right.

Multiply left to right.

*Answer should be have positive sign.*
Answer: → 
_____________________________________________________
3. 14(1-23)2+13
Do parenthesis first.


Then, you multiply left to right.


Add/subtract left to right.


*The answer must be have a negative sign*
Answer: → 
____________________________________________________________
Hope this helps!
Thank you!
Have a great day!
-Charlie
35
the ratio for the two is 5:7 and you want to find _:49. to get from 7 to 49 you multiply the 7 by 7. because you did that to one side you have to do the same to the other and multiply 5 by 7 which gives you 35
Lwh = (3+3+6) (4) (7)
12 x 4 x 7 = 336
Answer:
3
Step-by-step explanation:
BC
AC
BA