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olchik [2.2K]
3 years ago
15

HURRY PLS!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!

Mathematics
1 answer:
lubasha [3.4K]3 years ago
3 0

Answer:

diolation with s scale greayter than 1 is the answer

Step-by-step explanation: diolation is a flip and  double

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grigory [225]

Answer:

1.107   =  r

Step-by-step explanation:

To solve this for r, do the following:

Add 10 to both sides, to isolate the r term on the left:  18r^(-8) = 8

Divide both sides by 18, to isolate r^(-8):   r^(-8) = 8/18

Invert both sides:  r^8 = 9/4

Take the natural log or both sides:

8 ln r = ln 9 - ln 4, or

8 ln r = 0.8109, so that ln r = 0.1014

to find r, raise e to the power ln r on the left and e to the power 0.1014 on the right:

  ln r           0.1014

e         =    e              =  1.107   =  r

3 0
4 years ago
An image point has coordinates B'(7,-4). Find the coordinates of its pre-image if the translation used was
Elza [17]

Answer:

B

Step-by-step explanation:

To go from B' to B , perform the inverse operation

That is the translation rule is (x - 4, y - 5 ) , then

B'(7, - 4 ) → B (7 - 4, - 4 - 5 ) → B (3, - 9 ) → option B

7 0
3 years ago
7z+8+2z+3 what's the answer this?
White raven [17]

Answer:

9z+11

Step-by-step explanation:

7z+8+2z+3

CLT, or combine like terms.

7z+2z=9z

8+3=11

So the simplified version is 9z+11.

-hope it helps

3 0
3 years ago
Read 2 more answers
What is the solution to the system: 9x+3y=24 2y+4x=8
egoroff_w [7]

Answer:

x = 4, y = -4

Step-by-step explanation:

9x + 3y = 24

3x + y = 8                       divide both sides by 3

y = 8 - 3x                        subtract 3x from both sides

2y + 4x = 8

2(8 - 3x) + 4x = 8             replace y with 8 - 3x

16 - 6x + 4x = 8                distributive property

-6x + 4x = 8 - 16               subtract 16 from both sides

-2x = -8                            divide both sides by -2

x = 4

y = 8 - 3x

y = 8 - 3(4)                        replace x with 4

y = 8 - 12

y = -4

8 0
3 years ago
Read 2 more answers
Find the measure of 2BDC:<br> B<br> 22°<br> D<br> 689<br> 78°<br> 112°<br> 158°
Alchen [17]

Answer:

angle ADC is shown as a 90 degree angle

90 - 22 = 68

so I would go with 68 degrees

8 0
3 years ago
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