MATHEMATICS HIGH SCHOOL

What is the solution of the system of equations?6x – 2y = 4
–9x + 3y = 12

infinitely many solutions
no solution
(0, –2)
(–2, 4)

Answers

Answer 1
Answer: Hello,
Answer B: no solution

6x-2y=4 (1)
-9x+3y=12 (2)

9*(1)+6*(2)==>0y=108
==> no solution

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Subtract the quotient of 18 and 2 from the sum 22 and 9

Evaluate the expression: 6 - |-4| + 3 × |-2|

Answers

The bars with some of the numbers mean the those number MUST be positive.

So: 6 - 4 + 3 x 2 = 2 +6 = 8
6 - 4 + 3 × 2 = 2 + 6 = 8

the table shows the height of a plant as it grows. Which equation in point slope form gives the plants height at any time?

Answers

Answer:

y - 21 = 7(x - 3)

Step-by-step explanation:

If we plot the points on a graph having time on x axis and plant height on y axis then the two points will be (3, 21) and (5, 35).

Let the equation of the line is y - y'= m(x - x')

where m = slope of the line

Now slope of the line joining these points 'm' = (y-y')/(x-x')

m = (35-21)/(5-3)

m = (14)/(2)

m = 7

Now the equation that passes through the point (3, 21) will be y - 21 = 7(x - 3)

Therefore, equation that represents the height of the plant at any time is y - 21 = 7(x - 3)
(3,21)(5,35)
slope = (35 - 21) / (5 - 3) = 14/2 = 7

possible answers are :
y - 21 = 7(x - 3)
or
y - 35 = 7(x - 5)
or
y - 49 = 7(x - 7)
or
y - 63 = 7(x - 9)

I have been stuck on this question and i would like to know how to solve it ?A mother horse and a baby horse walk 10 miles from point A to point B. The mother’s speed is 10 miles per hour and the baby’s 5 miles per hour. The mother rests for 2 minutes after every x minutes of walking. The baby keeps walking. They arrive together at the destination. Find the range of x.

Answers

Find the actual walking time of Mama
 = 1 hr
then
Mama spends a total of 1 hr not walking
Not walking time = walking time
therefore
After two min of walking (x), she rests two minutes
x = 2

Describe the relationship between the two quantities.Amount of money earned; Number of hours worked
a. inverse
c. joint
b. direct
d. compound
Please select the best answer from the choices provided

Answers

Answer:

The answer is B.

Step-by-step explanation:

B is right because the amount of money you earn is based off of how many hours you have worked. If you work many hours your getting paid more.

Identify the postulate that proves the triangles are congruent.

Answers

In my opinion and as what I learned last year the correct answer is HL.

Divide 36 by the difference of 16 and 4

Answers

The answer is 3. First you solve 16-4 and you get 12. Then you solve 36/12 which equals 3.
You subtract ➡️. first 16-4= 12
Then divide ➡️. 36 divided by 12 is =3 so the answer is 3
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