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Vikentia [17]
3 years ago
9

Can anyone please help me with this question??

Mathematics
2 answers:
ANEK [815]3 years ago
8 0
There are many different paths to take but here is my take

15%:22.5%:48%: 74 3/4        Turn everything into a percent
15%:22.5%:48%: 7475%       Turn into a decimal
.15: .22: .48: 74.75                 Times by 100
15: 22 : 48: 7475                    Covert into factors
5(3) : 2(11) : 3(2⁴): 5²(299)     Relize there is no common factor...
15: 22 : 48: 7475                    <------- Whole numbers
                      
Olin [163]3 years ago
7 0
   15: 22.5: 48: 74 4/3 
= 30: 45: 76: 179 1/2
= 60: 90: 152: 359
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OlgaM077 [116]

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Step-by-step explanation:

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Can a line be collinear
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John made this model to show \frac{4}{7}\times\frac{13}{9} 7 4 ​ × 9 13 ​ Using John's model, what is \frac{4}{7}\times\frac{13}
harkovskaia [24]

Answer:

\frac{4}{7}\times\frac{13}{9} = \frac{52}{63}

Step-by-step explanation:

Given

See attachment for model

Required

Determine \frac{4}{7}\times\frac{13}{9} from the model

The model is represented by:

\frac{4}{7}\times\frac{13}{9} = \frac{4}{7}\times\frac{9}{9} + \frac{4}{7}\times\frac{4}{9}

To get: \frac{4}{7}\times\frac{9}{9}, we consider the first partition

The number of shaded box is 63 ---- this represents the denominator

The total boxes shaded at the bottom is 36 ---- this represents the numerator

So, we have:

\frac{4}{7}\times\frac{9}{9} = \frac{36}{63}

To get: \frac{4}{7}\times\frac{9}{9}, we consider the first partition

The number of shaded box is 63 ---- this represents the denominator

The total boxes shaded at the bottom is 16 (do not count the gray boxes) ---- this represents the numerator

So, we have:

\frac{4}{7}\times\frac{4}{9} =\frac{16}{63}

The equation becomes:

\frac{4}{7}\times\frac{13}{9} = \frac{4}{7}\times\frac{9}{9} + \frac{4}{7}\times\frac{4}{9}

\frac{4}{7}\times\frac{13}{9} = \frac{36}{63} + \frac{16}{63}

\frac{4}{7}\times\frac{13}{9} = \frac{36+16}{63}

\frac{4}{7}\times\frac{13}{9} = \frac{52}{63}

5 0
3 years ago
Given points (r1, u1 ) and (r2, u2) in polar coordinates, obtain a general formula for the distance between them. Simplify it as
sertanlavr [38]

Answer:

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Step-by-step explanation:

The Law of Cosines gives an immediate result. No translation to Cartesian coordinates is necessary. That law makes use of the angle between the vectors, u2-u1

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yep I get the same thing what the other person is right

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3 years ago
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