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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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How do I solve 4cos^2 x -1=0
tekilochka [14]
(cosx)^{2} = 1/4 <=> cosx = +1/2 or cosx = -1/2;
cosx = +1/2 => x = +π/3 + 2kπ, where k is an integer or x = -π/3 + 2kπ, where k is an integer;
cosx = -1/2 => x = +2π/3 + 2kπ, where k is an integer or x = -2π/3 + 2kπ, where k is an integer;
5 0
2 years ago
Read 2 more answers
Every that is fully readable
n200080 [17]
10)
60in=60in × (1ft/12in) = 5ft
30in= 30in × (1ft/12in) = 2.5ft
12in = 12in × (1ft/12in) = 1ft
answer is = 5ft × 2.5ft× 1ft =12.5 ft^3 = a

11)
dozen = 12 hammers
12 hammers = 20 pounds
therefore 1 hammer= 20/12 = 1.6666 lb

21 hammers ×1.666 = 35 = c

12)
convert qt to gal
600 gal × 4 qt/gal = 2400 qt

2400 qt ÷ 120 qt/min
=20 min = d

13)
Carla is 12
rob is 12+5= 17
cousin is 12-7 = 5

12+17+5= 34 =a

15)
convert 60ft into yards
60 ft × 0.333 yd/ft =20 yd

diameter = 20 yd

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8 0
3 years ago
REPOST!!!!!! 20 POINTS!!!!!!
kkurt [141]

Answer:

A

Step-by-step explanation:

according to tangent property

we get

  • AM=BM
  • AN=CN
  • BK=CK

Given that

  • AM=6
  • BK=4

Thus our equation is

\rm \displaystyle 2AM + 2AN + 2BK = 34

substitute the given values

\rm \displaystyle 2.6+ 2AN+ 2.4 = 34

simplify multiplication:

\rm \displaystyle 12+ 2AN+ 8 = 34

simplify addition:

\rm \displaystyle 2AN+ 20= 34

cancel 20 from both sides:

\rm \displaystyle 2AN=14

divide both sides by 2:

\rm \displaystyle AN=7

AN=CN

hence,CN=7

therefore our answer is A

6 0
2 years ago
Find two rational numbers between 3 and 5​
dexar [7]

Answer:

4 is a rational number

Step-by-step explanation:

rational numbers are numbers that can be divided by 2 and itself

3 0
2 years ago
Read 2 more answers
Does the table represent y as a function of x? Justify your answer.​
Otrada [13]

Answer:

  • No

Step-by-step explanation:

As per definition of the function, every x- value (input) has exactly one corresponding y-value (output)

<u>We can see on the table:</u>

  • x = 3.45 and y= 1.72
  • x = 3.45 and y = 3.36

Two same input values with different outputs.

So this not a function

6 0
3 years ago
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