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Otrada [13]
3 years ago
5

6. A proportion is an equation showing two equal ratios. Give an example

Mathematics
1 answer:
Musya8 [376]3 years ago
7 0

Take any fraction, proper or improper, and then multiply both the numerator and denominator by any number you want.

An example is one-half (1/2)

1/2 = 2/4 = 4/8 = 12/24 = 25/50 = 50/100 = 1000/2000 = 1024/2048

All of those are the same 1:2 ratio, just expressed in different forms.

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Help please! There are 3 items in an order. They cost $8.95, $11.49, and $12.75. The sales tax for this order is 6.5%.
vredina [299]

Answer: $35.35

Step-by-step explanation:

Facts

3 items

item 1: 8.95

item 2: 11.49

item 3: 12.75

6.5% sales tax

Step 1: Find the total cost of the items ,before tax

8.95+11.49+12.75= 33.19

Step 2: Apply the sales tax

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Step 3: Add the sales tax amount to the total cost of the items to find the final total cost.

$33.19+$2.16= $35.35  

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3 0
2 years ago
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8 1/2 + 7 2/3 = Write the answer as a mixed number.
Digiron [165]

let's firstly convert the mixed fractions to improper fractions, and then add them up.

\bf \stackrel{mixed}{8\frac{1}{2}}\implies \cfrac{8\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{17}{2}}~\hfill \stackrel{mixed}{7\frac{2}{3}}\implies \cfrac{7\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{23}{3}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{17}{2}+\cfrac{23}{3}\implies \stackrel{\textit{using the LCD of 6}}{\cfrac{(3)17~~+~~(2)23}{6}}\implies \cfrac{51+46}{6}\implies \cfrac{97}{6}\implies 16\frac{1}{6}

7 0
3 years ago
PLEASEEEE HELP!!!!! I will mark you as brainiest for correct answer!!!
pshichka [43]

<2 = 45 degrees   They are corresponding angles

74 + <1 + <2 = 180  it makes a straight line

74 +<1 +45 = 180

119 +<1 =180

subtract 119

<1 = 180 -119

<1 = 61 degrees

5 0
3 years ago
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