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Ksenya-84 [330]

4 years ago

8

In the figure, FM = 7x+20 and GM = 5x+100. What is GM ?

1 answer:

Brrunno [24]4 years ago

3 0

Answer:

20,000

Step-by-step explanation:

7x+20 = 5x+100

2x = 80

x=40

5(40)+100=20,000

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What function equation is represented by the graph?

Ahat [919]

In the given graph, lets mark two points:

Let $A = (0,-3)$ and $B = (4,-2)$

The slope of the line is given by:

$m = \frac{(-2)-(-3)}{(4)-(0)}$

$m = \frac{-2+3}{4}$

$m = \frac{1}{4}$

The equation of the line is given by:

$(y-y_1)=m(x-x_1)$

$(y-(-3))=(\frac{1}{4})(x-0)$

$4(y+3)=x$

$4y+12=x$

$4y=x-12$

$y= \frac{1}{4}x-3$

Therefore, the function equation represented by the graph is: $f(x)= \frac{1}{4}x-3$

5 0

3 years ago

A contractor bought 7.6 ft squared of sheet metal. She has used 4.9 ft squared so far and has $43.20 worth of sheet metal remai

Karo-lina-s [1.5K]

Answer:

$16 per square foot

Step-by-step explanation:

6 0

3 years ago

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What is the answer ? Please help !!

ch4aika [34]

Answer: p > $\frac{3}{7}$

Step-by-step explanation:

-21p + 69 > -49p + 81

-69 -69

-21p > -49p + 12

+49p +49p

28p > 12 divide both sides by 28

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3 years ago

Find all solutions of the given system of equations (If the system is infinite many solution, express your answer in terms of x)

lisov135 [29]

Answer:

(a) The system of the equations $\left \{ {2x-3y\:=3} \atop {4x-6y\:=3}} \right.$ has no solution.

(b) The system of the equations $\left \{ {4x-6y\:=10} \atop {16x-24y\:=40}} \right.$ has many solutions $y=\frac{2x}{3}-\frac{5}{3}$

Step-by-step explanation:

(a) To find the solutions of the following system of equations $\left \{ {2x-3y\:=3} \atop {4x-6y\:=3}} \right.$ you must:

Multiply $2x-3y=3$ by 2:

$\begin{bmatrix}4x-6y=6\\ 4x-6y=3\end{bmatrix}$

Subtract the equations

$4x-6y=3\\-\\4x-6y=6\\------\\0=-3$

0 = -3 is false, therefore the system of the equations has no solution.

(b) To find the solutions of the system $\left \{ {4x-6y\:=10} \atop {16x-24y\:=40}} \right.$ you must:

Isolate x for $4x-6y=10$

$x=\frac{5+3y}{2}$

Substitute $x=\frac{5+3y}{2}$ into the second equation

$16\cdot \frac{5+3y}{2}-24y=40\\8\left(3y+5\right)-24y=40\\24y+40-24y=40\\40=40$

The system has many solutions.

Isolate y for $4x-6y=10$

$y=\frac{2x}{3}-\frac{5}{3}$

3 0

3 years ago

Is 40/25 equivalent to 32/20

Artyom0805 [142]

Answer:

Yes, 40/25 is equivalent to 32/20.

8 0

3 years ago

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