3 years ago

(3x - 5) (7x + 5) Please help ASAP (REAL answers only!!!)

Mathematics

2 answers:

Studentka2010 [4]3 years ago

7 0

Answer:

3x-5= 22

7x+5= 68

Step-by-step explanation:

angle of a triamgle is always 180 and u alreasy know one angle so subrtact that: 180-90=90

try to find the value of x by making this equation:

(3x-5) + (7x+5)= 90

10x=90

x=9

plug in x

3(9)-5= 22

7(9)-5=68

the two angles are 22 degrees and 68 degrees

larisa [96]3 years ago

5 0

Answer:

x=9

3x-5= 22

7x+5= 68

Step-by-step explanation:

Hope this helps

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