3 years ago

Calculate the size of a and b respectively in the diagram below

Mathematics

1 answer:

lawyer [7]3 years ago

3 0

Answer:

a = 85°, b = 95°

Step-by-step explanation:

a = 180°-60°-35° (Sum of angles in a triangle)

= 85°

b = 180°-85° (Sum of angles on a straight line)

= 95°

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2 years ago

How to solve<br> 3/5e-6=-2/5(e-10)-7

kaheart [24]

$\frac{3}{5} e-6=- \frac{2}{5}(e-10)-7$
$\frac{3}{5} e-6=- \frac{2}{5} e- \frac{2}{5}*(-10) -7 \\ \frac{3}{5} e-6=- \frac{2}{5} e+ \frac{20}{5} -7= \frac{3}{5} e-6=- \frac{2}{5} e+4 -7= \\$
$\frac{3}{5}e-6=- \frac{2}{5} e-3$ /*5
3e-18=-2e-15 /+15
3e-3=-2e /+2e
5e-3=0 /+3
5e=3
e= $\frac{3}{5}$