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ElenaW [278]
4 years ago
5

Help very much needed

Mathematics
1 answer:
Natasha2012 [34]4 years ago
7 0
Hello, you need to Add all the perimeters together and if asking for one find the length of it but if wanted total add;)
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6 more than the difference of b and 5
kirza4 [7]
The answer would be b-5+6
8 0
3 years ago
Can someone help me out with this problem ?
expeople1 [14]
I believe that’s it .... i’m so so sorry if it’s not

8 0
3 years ago
in chemistry class Andrew has earned scores of 64 69 and 73 on three tests he must maintain an average of 72
olganol [36]
You haven't told me what the question is.  But I put the mouse
to my forehead, closed my eyes, took a deep breath, and I could
see it shimmering in my mind's eye.  It was quite fuzzy, but I think
the question is

                   "What score does Andrew need on the next test
                     in order to raise his average to 72% ?"

The whole experience drew an incredible amount of energy
out of me, and the mouse is a total wreck.  So we'll just go ahead
and answer that one.  I hope it's the correct question.

The average score on 4 tests is

                                     (1/4) (the sum of all the scores) .

In order for Andrew to have a 72% average on 4 tests,
the sum of the 4 scores must be

                                         (4) x (72%)  =  288% .

Out of that total that he needs, he already has 

                            (64% + 69% + 73%) = 206%

on the first three tests.

So in order to average 72% for all 4 tests,
he'll need to score

                             (288%  -  206%)  =   82%

on the fourth one.
6 0
3 years ago
A student found the surface area of this pyramid. Surface area = (12)(6) + 1 2 (12)(8) + 1 2 (6)(9.5) = 72 + 48 + 28.5 = 148.5cm
Virty [35]

Answer:

The answer is, The student added only three of the five faces.

Step-by-step explanation:

Hoped it help Have a great day :)

5 0
3 years ago
PLZ HELP ! PLZ EXPALIN HOW TO DO THIS
____ [38]
Answer : 11^9
Explanation: when you’re dividing powers, you substract them, so in this case it is 6-2 and you’ll get 11^4. Then you need to multiply, when you’re multiplying you are adding powers. In this case you add 4 and 5 and get 11^9
8 0
2 years ago
Read 2 more answers
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