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andre [41]
3 years ago
8

The system of equations y=-3x+1/2 and y= 1/5x-1 and 4/5 is shown on the graph below. What is a reasonable estimate for the solut

ion?
A. (0.7, -1.7)
B. (-1.7, 0,7)
C. (1.4, -3.3)
D. (-3.3, 1.4)

Mathematics
2 answers:
Dima020 [189]3 years ago
7 0

Answer:

A. (0.7, -1.7)

Step-by-step explanation:

We have been graph of a system of equations. We are asked to determine the reasonable estimate for the solution.

We can see that each grid represents 0.5 units.

We can also see that both lines intersect inside between 2nd grid to right and 4th grid down from origin. The x-coordinate will be approximately 0.7 and y-coordinate will be negative 1.7

Therefore, option A is the correct choice.

LUCKY_DIMON [66]3 years ago
5 0
The point where the lines cross is in QIV, so x is positive and y is negative, so only options A and C are left.

The X position of the point is between x=0.5 and x=1, so...

A is the answer
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The price of a candy bar is $1.53. If this is three cents more than triple the price ten years ago, how much did the candy bar c
Tamiku [17]

Answer:

$0.51

Step-by-step explanation:

Hello! Using what we know, the price of the candy bar at the moment is $1.53, triple the price from 10 years ago. So, triple cents would technically be $0.03. We divide $1.53 and $0.03 and get 51! But, it would not make sense for the price ten years ago to be 51 then go to 1.53, so we make 51 a decimal, 0.51. We can check to see if this correct, by doing 0.51 times 3, because the price is tripling, and we get $1.53! Have an awesome day! :)

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3 years ago
Find the value of the variable.
Alinara [238K]

Answer:

x = 25√2, y = 25

Step-by-step explanation:

x = 25(√2) = 25√2

y = 25

8 0
2 years ago
Read 2 more answers
What value of n solves the equation?
vampirchik [111]
2^n = 1/8

Try each one of the options in turn 

The question marks are negatives right?
7 0
3 years ago
X to the third plus x minus 7 equals -3 square root of x - 1
Ugo [173]

Answer:

  x ≈ 1.5004

Step-by-step explanation:

We suppose your equation is ...

  x^3+x-7=-3\sqrt{x-1}

Squaring both sides and subtracting the right side gives ...

  x^6 +2x^4 -14x^3 +x^2 -23x +58 = 0

This 6th-degree equation has two positive real roots, near x=1.5, and x=2. The root at x=2 is extraneous. The one near x=1.5 is irrational.

5 0
2 years ago
HELP!!!
Anuta_ua [19.1K]

Answer:

\$77,000 and the graph would fall at a slower rate to the right

Step-by-step explanation:

we have

y=Ao(0.79)^{x}

Observing the graph

The initial value Ao of the truck is equal to the y-coordinate of the y-intercept of the graph

so

Ao=\$77,000

If the depreciation rate was 15% per year, the new formula would be

y=Ao(1-0.15)^{x}

y=Ao(0.85)^{x}

y=77,000(0.85)^{x} ----> the graph would fall at a slower rate to the right

using a graphing tool

compare the graphs

8 0
3 years ago
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