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Ipatiy [6.2K]
3 years ago
11

PLEASE HELP! Will get brainiest!!

Mathematics
1 answer:
Tcecarenko [31]3 years ago
3 0
I'll help with a few.

3. -3x^3 - 9x^2 + 3x
Solve: 
= (-3x)(x^2 + 3x + -1)
= (-3x)(x^2)+(-3x)(3x)+(-3x)(-1)
= -3x^3 - 9x^2 + 3x

7. (m - 2) (m + 11)

8. (t - 2) (5t + 9)

9. (5x + 3) (5x - 3)

10. (3t + 2)^2

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A vehicle travels 57 kilometers north and then travels 26 kilometers south. What is the current position of the vehicle? (2 poin
solniwko [45]

Answer:

C. 31 kilometers north of its starting location

Step-by-step explanation:

<em>Please see attached a rough sketch of the situation for your reference</em>.

Step one:

Displacement North= 57km

Displacement South= 26km

Required

The  final displacement

The current position is attained by subtracting 26km from 57km

=57-26= 31km

Therefore the current position is

C. 31 kilometers north of its starting location

5 0
3 years ago
Your mother takes u to your grandparents house for dinner. She drives 60 mins at a constant speed of 40 mph. She reaches the hig
vlabodo [156]
Distance formula distance=speed×time
8 0
4 years ago
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Find the sum and express it in simplest form.<br><br> (-5y^3 - 7y) + (7y^3 + 8y +9)
Tema [17]
<span>(-5y^3 - 7y) + (7y^3 + 8y +9)
</span>

-5y^3+7y^3-7y+8y+9   <---- Group like terms
 
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Read it carefully as it may look confusing with the symbols. 
6 0
3 years ago
What is the relationship between the 1s in 911,147,835
lukranit [14]
Find the relationship of 1’s in the given number.
given number = 911 147 835
before we are going to determine the relationship of 1’s , let’s give each digit’s place value.
9 hundred million
1 ten million
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1 hundred thousand
4 ten thousands
7 thousands 
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3 – tens 
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Now, we have the 1 ten million, 1 million, and 1 hundred thousand
What is the relationship of the 3.
=> we’ll those 1’s are 10 times greater with each other
=> 1 million is 10 times greater than 1 hundred thousands
=> 100 000 x 10 = 1 000 000
=> 1 ten million is ten times greater than 1 million
=> 1 000 000 x 10 = 10 000 000
3 0
3 years ago
Read 2 more answers
(3+\sqrt(2))^(2)-(3-\sqrt(2))^(2)
fenix001 [56]

Step-by-step explanation:

Can you take picture I don't understand the given

7 0
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