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Alekssandra [29.7K]
3 years ago
10

Simplify. (-4b^3+b-1)+(6b-6)

Mathematics
2 answers:
artcher [175]3 years ago
7 0

Answer:

-4b^3+7b-7

Step-by-step explanation:

MissTica3 years ago
4 0
<span> -4b3 + 7b - 7
that is the answer for you </span><span />
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A popular online music store allowed shoppers to listen to an entire album before buying it. Of the people who listened to the w
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Answer:

IDK this stuff is confusing

Step-by-step explanation:

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4 0
3 years ago
Explain why the sum of the angle measures in any triangle is 180
MA_775_DIABLO [31]
This is because two angles are zero and top is a straight line, and a line is 180 degrees!

hopes this helps :)
5 0
3 years ago
Read 2 more answers
What is the difference between the absolute value of 4 and the absolute value of -3?
larisa86 [58]
Answer:1
Explanation:since the absolute value of -3 is 3 and 4-3=1
7 0
3 years ago
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The main cable of a suspension bridge forms a parabola, described by the equation y = a(x - h)2 + k, where y is the height in fe
nirvana33 [79]
Refer to the diagram shown below.

When x = 30 ft, the cable is at 15 ft, therefore y(30) = 15.
That is,
a(30 - h)² + k = 15            (1)

Also, because the distance between the supports is 90 ft, therefore
y(0) = 6 ft, and y(90) = 6 ft
That is,
a(-h)² + k = 6                 (2)
a(90 - h)² + k = 6          (3)

From (2) and (3), obtain
a(90 - h)² = ah²
90² - 180h + h² = h²
180h = 90²
h = 45 ft.

From (1) and (2), obtain
225a + k = 15
2025a + k = 6

Therefore
1800a = -9
a = - 0.005
k = 15 - 225(-0.005) = 16.125 ft

Answer:
The equation for the cable is
y = - 0.005(x - 45)² + 16.125 

A graph of the solution verifies that the solution is correct.

6 0
3 years ago
Read 2 more answers
#2 Q is between P and R. Find PR.<br> 6x + 4<br> 3x<br> 3x tc<br> P<br> R<br> Q<br> 14x - 6 6-
otez555 [7]

Answer:

PR=22

Step-by-step explanation:

3x+6x+4=14x-6

9x+4=14x-6

10=5x

x=2

Plug in

3(2)

6

6(2)+4

12+4

16

16+6

22

So the bottom should equal 22

14(2)-6

28-6

22

Hope this helps

Brainliest would be appreciated

8 0
3 years ago
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