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3 years ago

What is the solution to the system of linear equations graphed below?

Mathematics

2 answers:

Mashutka [201]3 years ago

4 0

The answer is in the photo below

olganol [36]3 years ago

3 0

Answer: $(3\frac{1}{2}, -4)$

Step-by-step explanation:

The solution to the graph of a system of equations is where they intercept. Here, it is at about $(3\frac{1}{2}, -4)$ .

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A company sells widgets. The amount of profit, y, made by the company, is

denis23 [38]

Answer:

449.25 units

Step-by-step explanation:

The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the given equation as follows :

$y=-x^2+51x-201$ ...(1)

For maximum profit,

Put dy/dx = 0So,

$\dfrac{d}{dx}(-x^2+51x-201)=0\\\\-2x+51=0\\\\x=\dfrac{51}{2}\\\\x=25.5$

Now put x = 25.5 in equation (1).

$y=-(25.5)^2+51(25.5)-201\\\\y=\$ 449.25$

so, the required answer is 449.25 units.

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Csqrt%7B9x%5E2" id="TexFormula1" title="\sqrt{9x^2" alt="\sqrt{9x^2" align="absmiddle" class

yulyashka [42]

Answer:

Step-by-step explanation:

$\sqrt{9 {x}^{2} }$

$\sqrt{9} \sqrt{ {x}^{2} }$

$\sqrt{ {3}^{2} } \sqrt{ {x}^{2} }$

$\sqrt{ {3}^{2} } x$

$= 3x$

3 0

3 years ago

Solve the following equation, answer as a reduced, mixed number. Then place the correct number in the box provided. 6(x - 1) = 4

Brrunno [24]

6(x-1)=4(x-2)
6x-6=4x-8
2x-6=-8
2x =-2
X=1

3 0

4 years ago

Which expression has a positive value?

mote1985 [20]

Answer: That would be A and C

A. = 26/3
B. = -20
C. = 1
D. = -3

Step-by-step explanation:

I hope it helps :)

$\frac{ - 4 + ( - 5)( - 6)}{3} \\ \frac{ - 4 + 30}{3} \\ \frac{26}{3} = 8 \frac{2}{3} = 8.67$

$8( \frac{10}{(2)( - 2)} ) \\ 8( \frac{10}{ - 4} ) \\ 8( - \frac{5}{ 2} ) = - 20 \\$

$3( \frac{ - 64}{8} ) + 25 \\ 3( - 8) + 25 \\ = - 24 + 25 \\ = 1$

$\frac{ - 2( - 5)( - 3)}{10} \\ \frac{ - 30}{10} \\ = - 3$

7 0

3 years ago

What is the slope of PQ

Liono4ka [1.6K]

130 the slope is 7/9 and mid point is 5/2 15/2

5 0

3 years ago