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krok68 [10]
3 years ago
14

Pls help i will give brainliest

Mathematics
1 answer:
zlopas [31]3 years ago
3 0
It is B because yiu solve
You might be interested in
100,203 in word form
Zanzabum
One hundred thousand two hundred and three
4 0
3 years ago
Direction: Solve each of the following system of linear equations graphically then check, if the system of linear equations has
lora16 [44]

Answer:

The solution is (0, 2) or x = 0, y = 2.

Step-by-step explanation:

Solving a system of linear equations graphically entails graphing the lines and then finding the point where the lines intersect. This point of intersection will be the solution to the system of equations.

Getting these linear equations into slope-intercept form (y = mx + b, where m is the line's slope and b is the line's y-intercept) makes them a lot easier to graph, so let's make sure that both lines are in slope-intercept form.

The first line isn't in slope-intercept form, so we can rewrite it as:

x + y = 2

y = -x + 2 (Subtract x from both sides of the equation to isolate y)

The second line technically isn't in slope-intercept form, so we can rewrite it as:

y = 2 - 3x

y = -3x + 2 (Commutative Property of Addition)

Now, we can graph the lines to find the solution to the system.

To graph y = -x + 2, draw a line with a slope of -1 (since m = -1) and a y-intercept of (0, 2) (since b = 2). This is the red line on the graph.

To graph y = -3x + 2, draw a line with a slope of -3 (since m = -3) and a y-intercept of (0, 2) (since b = 2). This is the blue line on the graph.

Looking at the graph below, we see that the lines intersect at (0, 2), so this is our answer.

To check if this point is a solution to the system of equations, simply substitute the x and y-coordinates of the point into the equations. If the point satisfies all of the equations, then it is a solution to the system.

In (0, 2), x = 0, and y = 2. Substituting these values into the first equation gives us 0 + 2 = 2, which simplifies to 2 = 2. This is a true statement, so (0, 2) satisfies the first equation. Substituting x = 0 and y = 2 into the second equation gives us 2 = 2 - 3 * 0, which simplifies to 2 = 2. This is also a true statement, so (0, 2) satisfies the second equation, and therefore is a solution to the system of linear equations. Hope this helps!

6 0
3 years ago
What is the length of the altitude of an equilateral<br> triangle whose side has a length of 8?
Ronch [10]
Using Pythagorean theory the square of the hypotenuse minus the square of the base equals the square of the other side (altitude).

So 8*8=64, 4*4=16, 64–16=48 so the altitude of the triangle is the √48.
4 0
2 years ago
Which of the following equations describes the graph?​
Strike441 [17]

Answer:

y = -2(x - .5)^2 - 2.5

Step-by-step explanation:

You first want to find the vertex of the parabola, which is found at (.5, -2.5)

You then want to add this to the function "y = x"

y = (x - .5) - 2.5

You would then notice this would need to be a quadratic formula, so you would add the squared to the equation, and make the leading coefficient negative because it is facing downwards.

y = -(x - .5)^2 - 2.5

Finally, you would notice that the graph has a y-intercept of -3. You can Vertically stretch the equation y a factor of 2 to finish the graph.

y = -2(x - .5)^2 - 2.5

5 0
3 years ago
Determine the constant rate of change (slope) of the linear function.
daser333 [38]

Answer:

A customer pays $12,975.00 for a $8,600.00 bill. Find the least amount of bills and coins to give change.

First calculate change amount

Change = Cash - Bill

Change = $12,975.00 - $8,600.00

Change = $4,375.00

Next calculate denominations and quantities of change that get us to 0

Our current target value is $4,375.00

The highest coin/dollar value <= $4,375.00 is 43 hundred-dollar bills

43 hundred-dollar bills = $4,300.00

Subtract $4,300.00 from our current total of $4,375.00 to get $75.00

Our current target value is $75.00

The highest coin/dollar value <= $75.00 is 1 fifty-dollar bill

1 fifty-dollar bill = $50.00

Subtract $50.00 from our current total of $75.00 to get $25.00

Our current target value is $25.00

The highest coin/dollar value <= $25.00 is 1 twenty-dollar bill

1 twenty-dollar bill = $20.00

Subtract $20.00 from our current total of $25.00 to get $5.00

Our current target value is $5.00

The highest coin/dollar value <= $5.00 is 1 five-dollar bill

1 five-dollar bill = $5.00

Subtract $5.00 from our current total of $5.00 to get $0.00

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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