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maks197457 [2]
3 years ago
15

Question 3

Mathematics
1 answer:
Alja [10]3 years ago
6 0

Answer:

i forgot sorry

Step-by-step explanation:

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Watch help Video
Alexus [3.1K]

Answer: 5y − 1 + y^{2}

Step-by-step explanation:

Hey there! I will give the following steps, if you have any questions feel free to ask me in the comments below. Thank you!

<u>Step 1:</u><u> </u><u><em>Collect like terms.</em></u>

(3y + 2y) + (6 − 3 − 4) + (-6y^{2} + 7y^{2})

<u>Step 2: </u><u><em>Simplify.</em></u>

5y − 1 + y^{2}

~I hope I helped you! :) Good luck!~

6 0
3 years ago
-2(2u-3)+3u=3(u+8)<br> u=?
dsp73
If you expand this equation first
You get -4u+6+3u=3u+24

And if you simplify that you get:
-u+6=3u+24
Now you need to solve this equation to find u

First bring 3u to the other side to -u-3u (the positive changes to negative)
Now the equation is
-4u+6= 24
Take 6 of both sides
-4u=24-6= 18
-4u= 18
So u= -18/4
Which simplifies to -9/2

Answer: -9/2
7 0
3 years ago
A bird feeder holds 2?3 cup of birdseed. If the bird feeder is filled with a scoop that holds 1?6 cup, how many scoops of birdse
alex41 [277]

Answer:

4 scoops

Step-by-step explanation:

2/3 ÷ 1/6 = 4

7 0
3 years ago
Please help me and show your working out thank youu
slava [35]

Answer:

Step-by-step explanation:

mm = 1357

m = 1.357

cm = 135.7

5 0
3 years ago
How do you find the surface area
WITCHER [35]

Answer:

It depends on what shape you have. Here are some formulas for different shapes.

Step-by-step explanation:

Rectangular prism: 2lw + 2lh + 2wh

Cylinder: 2 pi <em>r</em>² + 2 pi <em>rh</em>

Sphere: 4 pi <em>r</em>²

Cone: pi <em>r</em>² + pi <em>rl</em>

Square-based pyrimid: 1/2<em>lp</em> +<em>B</em>

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I hope this helps!

3 0
3 years ago
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