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djyliett [7]
4 years ago
5

Help with question 9 I don't get it

Mathematics
2 answers:
Alik [6]4 years ago
5 0
I think that x may equal to -3. Because the sum of a triangle is always 180. 55+54=109 and 180-109=71 and -3+74=71
Margarita [4]4 years ago
5 0
Instead of = 360 it should be 180

X+183=180
X= -3

X is -3 that does not make the angle negative 3X -3+74 which is 71 for the angle but it is equal to -3
If you add 55+54+71= 180
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Answer:

a. We spent all together 40.2+24.5+37.8=$102.50.

b. We saved 19.8+10.5+7.2=$37.50

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Step-by-step explanation:

To find the amount we spend, we multiply the original price by the decimal conversion of each fraction. Then we add the amounts together.

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35(0.7)=$24.50 and saved $10.50

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We spent all together 40.2+24.5+37.8=$102.50.

We saved 19.8+10.5+7.2=$37.50

We could of spent paying regular price 60+35+45=$140. To find the fraction we place the total we actually paid over the total regular price.

\frac{102.50}{140}



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