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gulaghasi [49]
3 years ago
15

9 - ? = 8.82

Mathematics
2 answers:
stepan [7]3 years ago
8 0
1.18 is the answer!
Soloha48 [4]3 years ago
6 0

Answer:

The answer is 0.18

Step-by-step explanation:

9-0.18=8.82

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9) Three times a number added to 12 gives -6. Find the number.​
KatRina [158]

Answer:

The number is -6.

Step-by-step explanation:

Variable x = a number

Set up an equation:

3x + 12 = -6

Isolate variable x:

3x = -18

x = -6

Check your work:

3(-6) + 12 = -6

-18 + 12 = -6

-6 = -6

Correct!

7 0
3 years ago
Read 2 more answers
Find the value of x so the figures have the same area
polet [3.4K]

Answer:

B) 4.5

Step-by-step explanation:

The area of the first figure is 10x

The area of the second figure is 6(x+3)=6x+18

To solve, find the x that makes 10x=6x+18

   1) 10x=6x+18

   2) 4x=18

   3) x=4.5

To check work)

   1) 10(4.5)=6(4.5)+18

   2) 45=27+18

   3) 45=45

4 0
3 years ago
The quadrilateral ABCD has area of 58 in2 and diagonal AC = 14.5 in. Find the length of diagonal BD if AC ⊥ BD.
inessss [21]
When the diagonals of a quadrilateral are perpendicular, the area of that quadrilateral is half the product of their lengths.
.. A = (1/2)*d₁*d₂
Substituting the given information, this becomes
.. 58 in² = (1/2)*(14.5 in)*d₂
.. 2*58/14.5 in = d₂ = 8 in

The length of diagonal BD is 8 in.
7 0
4 years ago
Hey, do you mind helping me?<br><br><br> what are the roots of x in -10x + 12x - 9 = 0?
Alex73 [517]

Answer:

x=−6±3√5

Step-by-step explanation:

3 0
4 years ago
Pentagon JKLMN is similar to pentagon UVWXY.
marusya05 [52]

9514 1404 393

Answer:

  C.  12

Step-by-step explanation:

Corresponding sides are proportional. Sides with the same mark are the same length.

  WX/XY = LM/MN = LM/KJ

  WX/10 = 18/15

  WX = 180/15 . . . . multiply by 10

  WX = 12

6 0
3 years ago
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