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3 years ago

8

TRUE FALSE The supplement of 789 is 12

1 answer:

Burka [1]3 years ago

7 0

The answer is False :)

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Solve: 2x+3y=1<br> y=-2x+11

Sauron [17]

Answer:

(8, -5); x=8; y=-5

Step-by-step explanation:

i'll be solving via substitution

2x+3y=1; y=-2x+11

2x + 3(-2x +11) = 1

2x -6x +33 = 1

-4x = -32

x = 8

2(8) + 3y = 1

16 + 3y = 1

3y = -15

y = -5

(8, -5)

Check:

-5 = -2(8) + 11

-5 = -16 + 11

-5 = -5

6 0

2 years ago

Can someone turn 1938 into a scientific notation for me? 10 POINTS

photoshop1234 [79]

Answer:

1.938 x 10^3

Step-by-step explanation:

1938 move decimal 3 times to left and times by 10 to 3rd

3 0

2 years ago

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What is 4/5 x for x =5/8? HALP pls

lana [24]

1/2.That's the answer.

7 0

3 years ago

What is the solution to the system of equations below?

Karolina [17]

Answer:

The solution is the point (18,0)

Step-by-step explanation:

we have

$y=-\frac{1}{3}x+6$ -----> equation A

$y=\frac{1}{3}x-6$ -----> equation B

Solve the system by substitution

substitute equation B in equation A

$\frac{1}{3}x-6=-\frac{1}{3}x+6$

solve for x

Adds (1/3)x both sides

$\frac{1}{3}x-6+\frac{1}{3}x=6$

$\frac{2}{3}x-6=6$

Adds 6 both sides

$\frac{2}{3}x=6+6$

$\frac{2}{3}x=12$

$x=12(3)/2\\x=18$

<em>Find the value of y</em>

substitute the value of x in equation A or equation B

$y=-\frac{1}{3}(18)+6=0$

therefore

The solution is the point (18,0)

3 0

2 years ago

Read 2 more answers

PLEASE HELP ILL GIVE EXTRA IF ITS RIGHT I SWEARRRRRRRRRRRRRRRRRRRRRR

Masja [62]

Answer:

5

Step-by-step explanation:

i hope is right not a smart huh

3 0

3 years ago