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Ivan
2 years ago
13

If x + y = x, show that x = 1.​

Mathematics
1 answer:
Alexxx [7]2 years ago
7 0
So first you would go 1+y=1 and the go 1+0=1
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The average of 2 3 and what number is 10?<br> pls help
Advocard [28]
I think it’s 5 tbh it’s random
7 0
3 years ago
Janie cut a round slice of watermelon into 5 equal pieces. What is the angle of each piece
natulia [17]
One circle is 360 degrees. Then, 360/5 = 72 degrees per slice of watermelon.
4 0
3 years ago
Problem 1<br> 3x + y = –14<br> -2x-y=9
Radda [10]

Answer:

x = -5 , y = 1

Step-by-step explanation:

Solve the following system:

{3 x + y = -14 | (equation 1)

-2 x - y = 9 | (equation 2)

Add 2/3 × (equation 1) to equation 2:

{3 x + y = -14 | (equation 1)

0 x - y/3 = (-1)/3 | (equation 2)

Multiply equation 2 by -3:

{3 x + y = -14 | (equation 1)

0 x+y = 1 | (equation 2)

Subtract equation 2 from equation 1:

{3 x+0 y = -15 | (equation 1)

0 x+y = 1 | (equation 2)

Divide equation 1 by 3:

{x+0 y = -5 | (equation 1)

0 x+y = 1 | (equation 2)

Collect results:

Answer: {x = -5 , y = 1

3 0
3 years ago
Find the value of b that will make the equation sin 62°= cos B true when 0°
KiRa [710]

Hello from MrBillDoesMath!

Answer:

b = 28 degrees

Discussion:

In general,

sin (90 - @) = cos(@)

Set 90 [email protected] = 62  => @ = 28 so

sin (90-28) = sin(62) = cos(28)    => b = 28

Thank you,

MrB

4 0
3 years ago
If the average of x, y, and z is 32 and the average of y and z is 27, what is the average of x and 2x?
Orlov [11]
X + y + z = 32 * 3
27 + 27 + x = 96
X = 54
2x = 108
Average of x and 2x = (54+108) / 2 = 164 / 2 = 82
Average of X and 2X = 82
6 0
3 years ago
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