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maria [59]
3 years ago
5

Find the value of a and b​

Mathematics
1 answer:
Tanzania [10]3 years ago
7 0

Answer:

a=20°

b=70°

Step-by-step explanation:

b+b+40°=180°[angles in an isosceles triangle]

a+90°+b=180°[angles in a right angled triangle]

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Help with this!!plz. Asap
gizmo_the_mogwai [7]
Hey there! :D

So, we know that there are 3 z's and 3 6's. 

3*z= 3z

6*3= 18 

3(z+6) <== equivalent expression 

3z+18 <== equivalent expression

z is by itself. It shouldn't combine. It should stay the same. 6 as a unit is separate from z. 

Choices "B" and "E" are correct.

I hope this helps!
~kaikers
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4 years ago
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Tcecarenko [31]

Answer:

12 is to the right of -15 on a number line.

Step-by-step explanation:

Hope this helps! - CJ

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3 years ago
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Step-by-step explanation:

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3 years ago
10n + 7 &gt; n - 3 (5 - 3n)<br><br> plz
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