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anygoal [31]
3 years ago
13

As a member of a music club, you can order CDs for $14.99 each. The music club also charges $4.99 for each shipment. The express

ion 14.99n + 4.99 represents the cost of n CDs. Find the total cost for ordering 3 CDs.
Mathematics
2 answers:
Dafna1 [17]3 years ago
8 0
Howdy!

using the expression 14.99(n) + 4.99, the total of 3 CDs would cost $49.96.
elena55 [62]3 years ago
6 0
In the expression 14.99n +499... replace the N with 3... 14.99(3)+ 4.99= 49.96
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3 years ago
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erastova [34]

Answer:

A=91^o

B=146^o

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Step-by-step explanation:

we know that

In an inscribed quadrilateral ABCD opposite angles are supplementary

so

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B+D=180^o ----> equation 2

step 1

Find the value of x

substitute the given values in equation 1

(2x+3)^o+(2x+1)^o=180^o

4x=180-4\\4x=176\\x=44

step 2

Find the measure of angle A,C and D

substitute the value of x

A=(2(44)+3)=91^o

C=(2(44)+1)=89^o

D=(44-10)=34^o

step 3

Find the measure of angle B

Remember the equation 2

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substitute the value of D

B+34^o=180^o

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4 years ago
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