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Tanzania [10]
2 years ago
8

Simplify the expression a+2c-5b-c+a-b

Mathematics
1 answer:
romanna [79]2 years ago
6 0
A + 2c - 5b - c + a - b
We're gonna have to combine like terms.

(a+a)+(-5b-b)+(2c-c)

2a-6b+c This is your answer
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2) The coordinates of the vertices of quadrilateral ABCD are A(-1,8),
Verizon [17]

Answer:

The coordinates of vertices of A'B'C'D' are:

A'(1,-8), B'(0,-4), C'(2,-1) and D'(4,-3)

Step-by-step explanation:

When a point (h,k) is roated 180 degrees about the origin it becomes (-h,-k) which means that the new point after rotation is the negative of the previous.

Given vertices are:

A(-1,8),  B(0,4), C(-2,1), and D(-4,3)

The new vertices will be:

A(-1,8) => A'(1,-8)\\B(0,4)=> B'(0,-4)\\C(-2,1)=> C'(2,-1)\\D(-4,3)=> D'(4,-3)

The coordinates of vertices of A'B'C'D' are:

A'(1,-8), B'(0,-4), C'(2,-1) and D'(4,-3)

3 0
2 years ago
Write the number 0.72 repeating as a fraction or mixed number.
34kurt

8/11 is the fraction

To derive this simply put

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8 0
3 years ago
A moterboat that ravels with a speen of 20km/hour in still water has traveld 20 km against the current and 180km with the curren
Ira Lisetskai [31]

Answer:

10 kph

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Find the speed of the current of the river.

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8c^2 - 160c  + 800 = 0

8(c^2 - 20c + 100) = 0

8(c - 10)^2 = 0

c = 10

The speed of the current of the river is 10 km/hour.

5 0
2 years ago
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Answer:

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Step-by-step explanation:

5 0
3 years ago
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Can someone help me solve y=x+12 ? y = -10
djyliett [7]
Answer:

X= 22

Explanation:

Add 10 to both sides and then x is 22
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3 years ago
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