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fgiga [73]
3 years ago
8

Two functions f and g represent the profit of two companies, in millions of dollars, about 13 years after they went into busines

s. Their observed profits for a small time period x are shown in the table. Which is the closest approximation of the time where the two companies have equal profit or loss?
13.253 years

2.3435 years

13.256 years

0.1207 years

Mathematics
1 answer:
hram777 [196]3 years ago
4 0

Answer:

13.253 is correct

Step-by-step explanation:

This table shows 0.1203 and 0.1212 having the most correlation since they are the closest to each other which means 13.253 hours is the closest.

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5. 3x + 5y + 5z =1<br> x - 2y = 5<br> 2x + 4y = 11
lilavasa [31]

Answer:

see explanation

Step-by-step explanation:

Given the 3 equations

3x + 5y + 5z = 1 → (1)

x - 2y = 5 → (2)

2x + 4y = 11 → (3)

Use (2) and (3) to solve for x and y

Multiply (2) by 2

2x - 4y = 10 → (4)

Add (3) and (4) term by term

4x = 21 ( divide both sides by 4 )

x = \frac{21}{4\\}

Substitute this value of x into (3)

2 × \frac{21}{4\\} + 4y = 11

\frac{21}{2\\} + 4y = 11 ( subtract \frac{21}{2\\} from both sides )

4y = \frac{1}{2} ( divide both sides by 4 )

y = \frac{1}{8\\}

Substitute the values of x and y into (1) and solve for z

3 × \frac{21}{4\\} + 5 × \frac{1}{8\\} + 5z = 1

\frac{63}{4} + \frac{5}{8} + 5z = 1

\frac{131}{8} + 5z = 1 ( subtract \frac{131}{8} from both sides )

5z = - \frac{123}{8} ( divide both sides by 5 )

z = - \frac{123}{40}

Solution is

x = \frac{21}{4\\}, y = \frac{1}{8\\}, z = - \frac{123}{40}

3 0
3 years ago
Pls help i need help :D
docker41 [41]

Answer:

\frac{2808}{3125}

Step-by-step explanation:

8 0
2 years ago
The area of a rectangular picture frame is 301/2 square inches the length of the frame is 61/2 inches find the width o f the fra
hjlf
Length x width equals area of rectangle. 301/2÷61/2=5
the width of the rectangle equals 5 inches.
7 0
3 years ago
Joan makes a base salary of $275 per week and a commission of 4% of sales over $1000. If she sells $1250 of merchandise this wee
Lerok [7]

Joan makes $275/week.

In addition to $275, she also makes 4 percent on sales over $1000.

So, 1250 - 1000 = 250.

Then 250(0.04) = 10.

Let t = amount of her paycheck for the week.

t = $275 + $10

t = $285

8 0
3 years ago
On a coordinate plane, the coordinates of vertices R and T for a polygon are R(−6, 2) and T(5, 2). What is the length of Side RT
Rainbow [258]
Use the formula
D=sqrt[ (x2-X1)^2 + (Y2-Y1)^2]

= sqrt(11^2+0^2)=11.

Sqrt means square root.
3 0
3 years ago
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