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cricket20 [7]
3 years ago
10

HELP I WILL GIVE BRAINIEST

Mathematics
1 answer:
lilavasa [31]3 years ago
5 0

Answer:

C

Step-by-step explanation:

common sense.

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Could someone help me please ​
Alexxx [7]

1. 3x+9-9=18-9      

3x=9

x=3

2. 4x-12=20

4x-12+12=20+12

4x=32

x=8

3. x+0-0

x=0

4. x/2-2+2=9+2

x/2=11

(2)(x/2)=11(2)

x=22

5. 12x-21=3

12x-21+21=3+21

12x=24

x=2

6. 3x-15=18

3x-15+15=18+15

3x=33

x=11

7. 3x-25=14

3x-25+25=14+25

x=13

8. 3x+16=22

3x+16-16=22-16

x=2

9. 2x-8=2

2x-8+8=2+8

2x=10

x=5

10. 9x-18=9

9x-18+18=9+18

9x=27

x=3

11. x+0=0

x=0

12. 9x-8=19

9x-8+8=19+8

9x=27

x=3

If  you want to check my answers

use substitution method by using the x into for each equation.

7 0
3 years ago
Read 2 more answers
N circle o, radius oq measures 9 inches and arc pq measures 6π inches. what is the measure, in radians, of central angle poq? 2p
nalin [4]
 θ = 6π/9 =  2π/3  radians

5 0
4 years ago
Read 2 more answers
Write the equation of an exponential function that passes through the points (2,48) and (5,750).
Otrada [13]
Ok, so the function form is y = a * bx.
Substitute in the values:
750 = a * b5
and
48 = a * b2
Then divide the two equations:
750/ 48 = (a * b5) / (a * b2)
So:
15.625 = b3
Take the cube root of both sides:
2.5 = b
Now, substitue b into one of the equations (the one with 48 has smaller numbers and is easier to work with.)
48 = a * 2.52
Simplify.
48 = a * 6.25
Divide both sides by 6.25
7.68 = a
Now substitute in a and b to write the exponential function:
y = 7.68 * 2.5x
7 0
3 years ago
Rewrite ^5 square root of 4 * square root of 2 as a single radical
Irina-Kira [14]
The answer is the first one in the options
3 0
3 years ago
Read 2 more answers
HELPPPPPPPPPPPPPP PART 4
stellarik [79]

Answer:

13) 1

14) st^3

15) m^-2n^-2

Step-by-step explanation:

13) \:  \frac{xy}{xy}  = 1

14) \:   \frac{ {s}^{2} {t}^{4}  }{st}  = s {t}^{3}

15) \:  \frac{ {m}^{2} {n}^{2}  }{m{}^{4} n ^{4} }  =  {m}^{ -2}  {n}^{ - 2}

The above solutions are basic mathematical division operation.

5 0
3 years ago
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