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rewona [7]
3 years ago
10

What Is the value of x

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
5 0

Answer:

15

Step-by-step explanation:

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If ( 3x+2y,2)=(-4,2x-y),then find the value of x and y​
Lapatulllka [165]

Answer:

X = 0, Y= -2

Step-by-step explanation:

Compare the x and y coordinate values

3x + 2y =-4_______(1)

2x - y = 2 ________(2)

Multiply the (2) with 2

4x - 2y = 4

and add the new equation to (1)

3x + 2y =-4

4x - 2y = 4

____________

7x = 0

X = 0

Substitute x value into (1)

3 *0 + 2y = -4

0 + 2y =-4

2y =-4

Y= -2

7 0
4 years ago
Solve for x. 2000=500e^4x
Misha Larkins [42]

Answer:

A. x = (ln(4))/4

Step-by-step explanation:

2000 = 500e⁴ˣ

(2000)/500 = (500e⁴ˣ)/500

4 = e⁴ˣ

ln(4) = ln(e⁴ˣ)

ln(4) = 4x

(ln(4))/4 = (4x)/4

(ln(4))/4 = x

x = (ln(4))/4

7 0
4 years ago
Which of the following is most likely the next step in the series?
ella [17]

Answer:

My guess is D

Step-by-step explanation:

As far as im concerned thatis mybest choice

3 0
3 years ago
A nickel has a mass of 5g and a volume of approximately 0.689cm what is the approximate density of a nickel
Gwar [14]

Answer:

about 7g/cm^3

Step-by-step explanation:

p = m \div v

where p is density is equal to mass (5g) divided by volume (.689cm^3).

or

p = 5 \div .689

= 7.25 or approximately 7g/cm^3

or approximately .007kg/cm^3 dependent on what metric they want their answer in.

6 0
3 years ago
Which inequality has a solution that is the set of all real numbers?
kati45 [8]

Answer:

12<14

x<12

14>12

14>x

Step-by-step explanation:

I dont know if it is correct but I think it is that way try

6 0
3 years ago
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