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Serhud [2]
3 years ago
11

What is the product of (4x)(-3x^8)(-7x^3)

Mathematics
1 answer:
Semenov [28]3 years ago
4 0

(4x)(-3x^8)(-7x^3)

4 (-3)(-7) = 84

x(-x^8)(-x^3) = x^(1 + 8 + 3) = x^12

Answer: 84x^12

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Flying to Kimpala with a tail wind a plane averaged 158km/hr. On the return trip the plane only average 112km/hr. While flying b
lora16 [44]

The speed of wind and speed of plane in still air  are  23  and  135 km/h respectively.

<u>Step-by-step explanation:</u>

Let the speed of wind and speed of plane in still air  are  w  and  p km/h respectively.  

The effective speed on onward journey was  

p+w=158  ................(1)

The effective speed on return journey was  

p-w=112 ..............(2)

Adding equation (1) and equation (2) we get,  

⇒ (p+w)+(p-w) = 158+112

⇒ 2p = 270

⇒ p = 135

Putting value of p = 135 in p+w=158 we get:

⇒ p+w=158

⇒ 135+w=158

⇒ w=23

Therefore ,The speed of wind and speed of plane in still air  are  23  and  135 km/h respectively.

3 0
2 years ago
What is the purpose of living will
Shtirlitz [24]
To reproduce. But if this is suicidal type there are people here for you
4 0
3 years ago
Joey "Goodfella" Branzolli liked to shuffle music as a disk jockey. He had 80 CDs, which were rock and rap CDs. He bought his CD
AveGali [126]

Answer: there has to be 52 rock (4 each) which equals to 208, and 28 rap (3 each) which equals to 84, and 84 + 208 = $292


Step-by-step explanation:


8 0
3 years ago
For each sequence,find the first 4 terms and the 10th term<br> a) n+5<br> b)2n-1
dsp73

Answer:

a)6,7,8,9 and 10th term is 15.

b)1,3,5,7 and 10th term is 19.

Step-by-step explanation:

Given a) n+5

b)2n-1

Solution for  a) n+5

Taking the value of n is 1 we get the first term of the sequence;

n+5=1+5=6

Similarly taking the value of n 2,3,4 we get;

2+5=7\\3+5=8\\4+5=9

And for 10th term we take the value of n is 10 and get;

n+5=10+5=15

So the solution for 1st sequence is 6,7,8,9 and 10th term is 15.

Solution for  b)2n-1

Taking the value of n is 1 we get the first term of the sequence;

2n-1=2\times1-1=2-1=1

Similarly taking the value of n 2,3,4 we get;

2n-1=2\times2-1=4-1=3\\2\times3-1=6-1=5\\2\times4-1=8-1=7

And for 10th term we take the value of n is 10 and get;

2n-1=2\times10-1=20-1=19

So the solution for 2nd sequence is 1,3,5,7 and 10th term is 19.

3 0
3 years ago
7 es un número entero​
Sedaia [141]

Answer: you need to type it in English if someone know Spanish help him or her

Step-by-step explanation:

6 0
3 years ago
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