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Norma-Jean [14]
3 years ago
11

What is the difference of the two polynomials?

Mathematics
2 answers:
guapka [62]3 years ago
7 0

Simplify

9x^2 + 8x - (2x^2 + 3x)

Simplify brackets

9x^2 + 8x - 2x^2 - 3x

Collect like terms

(9x^2 - 2x^2) + (8x - 3x)

Simplify

<u>7x^2 + 5x</u>

<u>Answer: A. 7x2 + 5x</u>

Ganezh [65]3 years ago
5 0

Answer:

a) 7x^2 + 5x

Step-by-step explanation:

(9x^2 + 8x) – (2x^2 + 3x)

Distribute the minus sign

(9x^2 + 8x) – 2x^2 - 3x

Line them up vertically

  (9x^2 + 8x)

– 2x^2 - 3x

-------------------

7x^2     +5x

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Which do you pick and why? How much money do you end up with in each case?
Mademuasel [1]

Answer:

1. Start with $1 and then double the money you have everyday for 30 days. You would end up with 1,073,741,824 on the 30th day.

Step-by-step explanation:

Why you should choose the first option:

1 x 2 = 2

2 x 2 = 4

4 x 2 = 8

8 x 2 = 16

16 x 2 = 32

32 x 2 = 64

64 x 2 = 128

128 x 2 = 256

256 x 2 = 512

512 x 2 = 1024

1024 x 2 = 2048

2048 x 2 = 4096

4096 x 2 = 8192

8192 x 2 = 16384

16384 x 2 = 32768

32768 x 2 = 65536

65536 x 2 = 131072

131072 x 2 = 262144

262144 x 2 = 524288

524288 x 2 = 1048576

1048576 x 2 = 2097152

2097152 x 2 = 4194304

4194304 x 2 = 8388608

8388608 x 2 = 16777216

16777216 x 2 = 33554432

33554432 x 2 = 67108864

67108864 x 2 = 134217728

134217728 x 2 = 268435456

268435456 x 2 = 536870912

536870912 x 2 = 1073741824

7 0
2 years ago
Solve the equation 15x + 8 = y + 13 for x if y is 40. Make sure to first solve the equation for x in terms of y.
Nataly_w [17]

Answer:

3

Step-by-step explanation:

15x +8 =40 +13

15x + 8=53

15x=45

3

4 0
3 years ago
Read 2 more answers
Which is NOT true about a direct proportion?
Nina [5.8K]

Answer:

Because it is acorrding to question answer

7 0
3 years ago
Read 2 more answers
The circumference of a circle is 60? cm. what is the length of an arc of 140'?
My name is Ann [436]
I hope this helps you



Circumference =2.pi.r


60=2.3,14.r


r=30/3,14


Arc Length = 140/360.2.3,14.30/3,14


Arc Length =70/3
3 0
3 years ago
What is the ratio of <br>18 rosses to 5 chocolates​
mrs_skeptik [129]

Answer:

18:5

Step-by-step explanation:

There, hope it helps!

6 0
3 years ago
Read 2 more answers
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