It costs $0.50 to download an individual song and $4.00,

Mathematics

2 answers:

SCORPION-xisa [38]2 years ago

6 0

Answer:

Step-by-step explanation:

an album is 4$ and one song is 0.50$divide 50 by 4$ making 8 then multiply by2

pashok25 [27]2 years ago

6 0

Answer:

Step-by-step explanation:

2x4=8, 8-15=7, you now have 7$ to spend, 7/.5 =14 therfore your answer is 14

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3 years ago

Solve triangle ABC, when A= 6, B=10 and c=12

valentinak56 [21]

Use cosine rule,

cos(A)=(b^2+c^2-a^2)/(2bc)
=(10^2+12^2-6^2)/(2*10*12)
=13/15
A=29.926 degrees.................................(A)

cos(B)=(c^2+a^2-b^2)/(2ca)
=(12^2+6^2-10^2)/(2*12*6)
=5/9
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5 0

3 years ago

$13,957 is invested, part at 7% and the rest at 6%. If the interest earned from the amount invested at 7% exceeds the interest e

ch4aika [34]

Answer:

The Amount invested at 7% interest is $12,855

The Amount invested at 6% interest = $1,102

Step-by-step explanation:

Given as :

The Total money invested = $13,957

Let The money invested at 7% = $p_1$ = $A