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nalin [4]
3 years ago
8

Can u guys help me on some of these please

Mathematics
1 answer:
GalinKa [24]3 years ago
3 0
1. multiply 1 and 3 to equal 3 then subtract 4 to equal -1
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-5m - 4 = 36
sleet_krkn [62]

Answer:

m = -8

Step-by-step explanation:

-5m - 4 = 36

      +4     +4

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

-5m = 40

/-5       /-5

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

m = -8

3 0
3 years ago
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Please can you give me help with answers. Thanks
Margaret [11]
1) 110+30+a = 180
a = 180-140 = 40
Obtuse angled triangle

2) 50+50+C = 180
C=180-100 =80
Acute angled triangle

3) 45+45+b =180
b =180-90 = 90 
Right angled triangle

4) 45+60+C = 180
C = 180-105 =75 
Acute angled triangle

5) 94+47+b =180
b = 180-141=39

Obtuse angled triangle

6)81+53+a = 180
a =180-134 = 46

Acute angled triangle

7) 38+45+b =180
b = 180-83 =97
Obtuse angled triangle

8) 36+54+C =180
C =180-90 = 90

Right angled triangle.
5 0
3 years ago
If the markup is 20% and the selling price is $45.00, what is the initial cost?
katovenus [111]

Answer:

$54.00

Step-by-step explanation:

Ok so not sure how to explain but here is my work.

I took 45 and found 20%. Which is 9. I will then add that back into the original 45 which comes out to a grand total of 54.

5 0
3 years ago
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