Question

ABCD is a parallelogram. if angle A=(4X+13) and. angle D = (5x-22) then find the measure of angle B and angle angle C.​

Answer 1

Step-by-step explanation:

Naturally occurring Boron consists of two isotopes of atomic masses

10.0 and 11.0.The atomic mass of natural Boron is 10.8.Calculate the

percentage of each isotope in natural Boron.

Pls Explain with step by step

Answer 2

Answer:

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Step-by-step explanation:

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