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uranmaximum [27]
3 years ago
6

Can someone answer this question and make sure they show working out. Will reward brainliest to the best answer.

Mathematics
1 answer:
wolverine [178]3 years ago
3 0

Answer:

8a²+8a+12b = 8a²+8a+12b

Step-by-step explanation:

first, expand the brackets

4a + 4a + 12a² + 8b + 4b - 4a²

then, collect like terms

8a + 8a² + 12b

then, rearrange

8a² + 8a + 12b

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mel-nik [20]

Answer:

A 454545 is the correct answer

5 0
3 years ago
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1. Kayla wants to find the width, AB, of a river. She walks along the edge of the river 100 ft and marks point C. Then she walks
Zolol [24]
You are given Kayla's walking distance along the edge of the river 100 ft and marks point C, then she walks 100 ft further and marks point D and she turns 90° and walks until her location, point A, and point C are collinear. She marks point E at this location. ABC and EDC are congruent. thats just what i think it is tho


6 0
3 years ago
What is the slope of the line?
Dmitry_Shevchenko [17]

Answer:

the slope is 3/2

3 0
3 years ago
115. Sami opens an account and deposits $100 into it at the end of each month. The account earns 2% per year compounded monthly.
givi [52]

Step-by-step explanation:

Geometric series.

Month 3.

      100(1+\frac{0.02}{12})^2 + 100(1+\frac{0.02}{12})+100

Month 4.

100( 1 + \frac{0.02}{12})^3 + 100( 1 + \frac{0.02}{12})^2+100(1+\frac{0.02}{12})+100

Month 5.

100(1 + \frac{0.02}{12})^4 + 100(1 + \frac{0.02}{12})^3 + 100(1 + \frac{0.02}{12})^2 +100( 1 + \frac{0.02}{12}) + 100

4 0
3 years ago
4. He drove at Puerto Princesa City to Taytay at an average speed of 40 kph
dexar [7]

Step-by-step explanation:

Distance = Speed x Time

Given Distance = 40km/h or kph

Time = 5 hours 15 minutes

=

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= 210km

7 0
3 years ago
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