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ZanzabumX [31]
3 years ago
13

-84 > -6(2 - 3b) Please show work!!

Mathematics
1 answer:
mart [117]3 years ago
3 0

-84 > -6(2 - 3b)

<em><u>Distributive property.</u></em>

-84 > -12 + 18b

<em><u>Add 12 to both sides.</u></em>

-72 > 18b

<em><u>Divide both sides by 18.</u></em>

-4 > b

The value of b is less than -4

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Please help!!
erastova [34]

Answer:

  180, 180, 148, 180, 148

Step-by-step explanation:

The two rules in play here are ...

  • the sum of interior angles of a triangle is 180°
  • the angles of a linear pair are supplementary (they total 180°)

__

The first of these rules answers the first two questions:

  • interior angles total 180°
  • angles 1, 3, 4 total 180°

We can subtract the measure of angle 1 from both sides of the previous equation to find the sum of the remaining two angles.

  • angles 3 and 4 total 148°

The second rule answers the next question:

  • angles 1 and 2 total 180°

As before, subtracting the value of angle 1 from both sides of the equation gives ...

  • angle 2 must be 148°

_____

<em>Additional comment</em>

Of course, the subtraction property of equality comes into play, also. For some unknown, X, you have (in both cases) ...

  X + 32° = 180°

  X +32° -32° = 180° -32° . . . . . . subtraction property of equality

  X = 148° . . . . . . . . simplify

In the first case, X is the sum of angles 3 and 4. In the second case, X is angle 2 only.

7 0
2 years ago
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Nookie1986 [14]

Answer:

Step-by-step explanation:

surface area of sphere=a

4pir^2=a

r^2=a/4p

r=root(a/4pi)

if radius is doubled

r1=2root(a/4pi)

r1^2=4(a/4pi)

a/a1=(4pia/4pi)/(4pi 4a/4pi)=1/4

so a is increased by 4 times

6 0
2 years ago
When the side of a square is decreased in length by 1 foot, its area is 8 ft2. The length of a side of the square is 1 + 2.
NemiM [27]

Answer:TRUE

Step-by-step explanation:

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3 years ago
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slega [8]

Answer:

Please be more clear and I might be able to help

Step-by-step explanation:

8 0
3 years ago
Log m + log n = 2 log (m+n/4)​
Julli [10]
Hello! are we solving for m or n? i can help you get the answer in the comments if u can clarify which we are solving for
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