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nordsb [41]
3 years ago
15

Plz help fast will mark brainliest!!!

Mathematics
1 answer:
ki77a [65]3 years ago
3 0
The answer :9.1×10 ^3

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Solve the following system of eq ions. Express your answer as an ordered
daser333 [38]

Answer:

(3,2)

Step-by-step explanation:

3x + 4y=17

- 4x – 3y= - 18

Multiply the first equation by 4

4(3x + 4y=17 )

12x +16y = 68

Multiply the second equation by 3

3( - 4x – 3y= - 18)

-12x -9y = -54

Add the new equations together to eliminate x

12x +16y = 68

-12x -9y = -54

-----------------------

    7y = 14

Divide by 7

7y/7 = 14/7

y=2

Now find x

3x+4(2) = 17

3x+8 = 17

Subtract 8 from each side

3x+8-8 = 17-8

3x = 9

Divide by 3

x = 3

7 0
3 years ago
Is 5x=-3y a direct variation. If so find the constant
kozerog [31]
Well if you want to find work x= it well be x=3y/5

3 0
4 years ago
Paul purchases an antique circular frame for his mom for Mother's Day. The diameter of the frame is 18 cm. What is the area of t
Bingel [31]

Answer:

254.34cm²

Step-by-step explanation:

the bowl is shaped is shaped in the form of a circle

Area of the bowl is equal to the area of a circle

area of a circle = πr²

π = 3.14

r = 18/2 = 9

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

3.14 x 9² = 254.34cm²

4 0
3 years ago
Log 1/10 how do you convert this without a calculator
Nostrana [21]

Answer:

  log(1/10) = -1

Step-by-step explanation:

Use the law of exponents and the meaning of logarithm.

  1/10 = 10^-1

  log(10^x) = x

So, you have ...

  log(1/10) = log(10^-1)

  log(1/10) = -1

6 0
3 years ago
I need help please! I would really appreciate it :D
Law Incorporation [45]

Answer: e and d please mark me brianlyest i need points

Step-by-step explanation:

5 0
3 years ago
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