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Mandarinka [93]
3 years ago
8

Write an expression using fractions to show how to determine the amount that each person will pay. Then calculate each person's

contributions showing all steps in long division.
my chart:
147.6$

102$

75.6$

117.6$
Mathematics
2 answers:
sukhopar [10]3 years ago
6 0

Answer:

#1) <u>14</u><u> </u><u>3</u><u>/</u><u>5</u>

Step-by-step explanation:

#1) 147.6 = 147+0.6 = 147+6/10

147.6 = 147+0.6 = 147+6/10gcd(6,10) = 2

147.6 = 147+0.6 = 147+6/10gcd(6,10) = 2147.6 = 147+(6/2)/(10/2) = 147+3/5 = 738/5

#2) 102 = 102/1 = 1020/10

#3) 75 3/5

75.6 = 75+0.6 = 75+6/10

75.6 = 75+0.6 = 75+6/10gcd(6,10) = 2

75.6 = 75+0.6 = 75+6/10gcd(6,10) = 275.6 = 75+(6/2)/(10/2) = 75+3/5 = 378/5

#4) 117 3/5

117.6 = 117+0.6 = 117+6/10

117.6 = 117+0.6 = 117+6/10gcd(6,10) = 2

117.6 = 117+0.6 = 117+6/10gcd(6,10) = 2117.6 = 117+(6/2)/(10/2) = 117+3/5 = 588/5

Here is what I got....

densk [106]3 years ago
6 0

Answer:

I dont understand this question, my apologies...

Step-by-step explanation:

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Answer:

Step-by-step explanation:

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If geometry symbol represented as small triangle with three sides. abc geometry congruent symbol represented as two small horizo
n200080 [17]

The value of x in the congruent triangles abc and dec is 1

<h3>How to determine the value x?</h3>

The question implies that the triangles  abc and dec are congruent triangles.

The congruent sides are:

ab = de

bc = ce = 4

ac = cd = 5

The congruent side ab = de implies that:

4x - 1 = x + 2

Collect like terms

4x - x = 2 + 1

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3x = 3

Divide through by 3

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Read more about congruent triangles at:

brainly.com/question/12413243

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<u>Complete question</u>

Two triangles, abc and cde, share a common vertex c on a grid. in triangle abc, side ab is 4x - 1, side bc is 4, side ac is 5. in triangle cde, side cd is 5, side de is x + 2, side ce is 4. If Δabc ≅ Δdec, what is the value of x? a. x = 8 b. x = 5 c. x = 4 d. x = 1 e. x = 2

3 0
2 years ago
Which shows two triangles that are congruent by AAS?
cricket20 [7]

The <em><u>correct answer</u></em> is:

The last one.

Explanation:

AAS means "angle-angle-side." It states that if two angles and a non-included side of one triangle are congruent to the corresponding two angles and non-included side of another triangle, then the triangles are congruent.

The only triangle in this list marked as having two congruent angles and a side that is not between them congruent is the last figure.

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A boat traveled 153 miles downstream and back. The trip downstream took 9 hours. The trip back took 17 hours. What is the speed
fgiga [73]

Speed of boat in still water is 13 miles per hour and speed of current is 4 miles per hour

<h3><u><em>Solution:</em></u></h3>

Let  s  =  the speed of the boat in still water in miles/hour

Let  c  =  the speed of the current in miles/hour

<em><u>Formula to remember:</u></em>

If the speed of a boat in still water is s miles/hr and the speed of the current is c miles/hr, then:

Speed downstream = (s + c) miles per hour

Speed upstream = (s - c) miles per hour

<em><u>Given:</u></em>

boat traveled 153 miles downstream and back

distance for downstream = 153 miles

distance for upstream = 153 miles

time taken for downstream = 9 hours

Time taken for upstream = 17 hours

<em><u>The relation between speed, distance and time is given as:</u></em>

distance = speed \times time

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153 = (s + c) \times 9

s + c = \frac{153}{9} = 17

s + c = 17 ------- eqn 1

<em><u>For upstream:</u></em>

153 = (s - c) \times 17\\\\s - c = \frac{153}{17} = 9

s - c = 9 ------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2 to find values of "s" and "c"</u></em>

Add eqn 1 and eqn 2

s + c = 17

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(+) -------------

2s = 26

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Substitute s = 13 in eqn 1

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c = 17 - 13 = 4

<h3>c = 4</h3>

Thus the speed of boat in still water is 13 miles per hour and speed of current is 4 miles per hour

8 0
3 years ago
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