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Sonbull [250]
3 years ago
8

Simplify the polynomial (3a^2+4a+25) - (2a^2+4a-5)

Mathematics
1 answer:
nignag [31]3 years ago
6 0

Answer:

The polynomial simplified would be a^2 + 30

I hope this helps you:))

P.S. Might I recommend a good online calculator for these types of problems. It's called Symbolab. I use it every day and it's a lifesaver. It shows the step-by-step and has a plethora of different actions like simplifying, inverse, and line.

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Y=3x<br>2y-5x=4 <br>I need the work and answer for it
telo118 [61]
U plug in the y
2 (3x) -5x=4
simplify
6x -5x =4
solve
x=4
so now you know x=4 so plug that in for x
y= 3(4)
y=12
check your answer
2(12)-5(4)=4
solve
24-20=4
4=4
so you now you got the answer right !

hope that helps!
3 0
3 years ago
What is the exact area of the following circle?
pychu [463]

Answer:

56.25 pi  cm^2

Step-by-step explanation:

To find the area of the circle,

we use the formula

A = pi r^2, where r is the radius

We know the diameter is 15 so we can find the  radius from

r = d/2  where d is the diameter

r = 15/2

A = pi ( 15/2) ^2

A = pi ( 225/4)

A = 56.25 pi  cm^2

3 0
2 years ago
Read 2 more answers
I don’t understand this help
grigory [225]

Answer:

(1,1)(3,-2)

Step-by-step explanation:

a hope this answer helping you

4 0
2 years ago
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Skip count 99 Times by tens. there are 9 ones. the number is what.
Alenkasestr [34]
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5 0
2 years ago
Traingle A' B' C' is the image of triangle ABC under a dilation. What is the scale factor of the dilation? ​
Nataly_w [17]
We need an image to answer the question.
6 0
2 years ago
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