15
729 x +1000
Hope this helps
The attached diagram is a useful tool for working mixture problems. It shows the desired mix is
.. 1 kg of 30% gold
.. 3 kg of 10% gold
Answer:
angles 1, 5, 7
Step-by-step explanation:
∡1 = ∡3 reason: they are vertical angles
∡7 = ∡3 reason: they are corresponding angles
∡5 = ∡3 reason: they are same-side interior angles
Answer:
Step-by-step explanation:

Write the equation in factored form.

Separate equations, and set each factor to zero.


Rearrange and isolate the variable to find the solutions


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