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2 years ago

Plz give full reasoning

Mathematics

2 answers:

Yuri [45]2 years ago

6 0

You know both the lines added together give you 35
So r+3+4r-28 = 35
Collect like terms
5r-25=35
Add 25 to each side
5r=60
Divide both sides by 5
r=12

disa [49]2 years ago

4 0

Answer:

r = 12

Step-by-step explanation:

DG + GM = DM , substitute values

r + 3 + 4r - 28 = 35 , that is

5r - 25 = 35 ( add 25 to both sides )

5r = 60 ( divide both sides by 5 )

r = 12

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PLEASE HELP!!<br> Factor <br> 6x^2-42x-54<br><br> Please show work!

skad [1K]

first, rewrite 54 as 6•9

next, rewrite 42 as 6•7

then, that gets you 6x^2 -6•7x- 6•9

lastly, factor out the common term (6)

and then you get 6(x^2-7x-9)

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6 0

3 years ago

Pls give me the full answer

nikdorinn [45]

All of the Questions are solved on the images shown below. These images are from Microsoft Whiteboard that I created.

<h2>I'm in sixth grade, and don't know how to answer 2 and 5. So I'm only going to answer questions 1, 3 and 4. </h2>

really sorry about that

1. Answer = 90m²

3. Answer = 50in²

4. Answer = 108cm²

yup, this is how weird i am

I took the screen shot of answer 3 before 1 lol!

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so sorry I couldn't help on all problems

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Have a great day!

7 0

2 years ago

A hot-air balloon is moving on a bearing of 2450 at 31mph. A wind is blowing with the bearing of 2600 at 23mph. Find the compone

Alborosie

Answer:

$V=(54i) \ mph$

Step-by-step explanation:

According to the problem, the hot-air ballon and the wind are movind in the same direction, which means the component form of the velocity of the ballon is the net vector between both velocities.

Basically, the net velocity is

$v_{net}=31 + 23 = 54 mph$