3x + y = 17 and 4x - y = 18

Answers

Answer 1

Answer: I'm not sure if this is what you're asking for but here goes...
3x + y = 17
+ 4x - y = 18
———————
7x = 35
x = 5

sub x = 5 into eq. 1
3x + y = 17
(3 × 5) + y = 17
15 + y = 17
subtract 15 from both sides of the equation.
y = 2

Final Answer - ( 5 , 2 )
Hope this helped :)

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. Write the equation in slope intercept form for the line that goes through point (−10, 8) with slope =6.

Answers

y = mx + b is slope intercept form

x = -10
y = 8
m = 6

1. Solve for b

8 = (6)(-10) + b
b = 68

2. Plug m and b back into your slope intercept equation

y = 6x + 68

4. Twenty-five percent of the fish in anaquarium are goldfish. There are 124
total fish in the aquarium. How many of
the fish are goldfish?
A. 5
B. 25
C. 31
D. 99

Answers

$\bold{ANSWER:}$
C) 31

$\bold{SOLUTION:}$

The square represents a scale model that was created by using a factor of 4. 8 ft 8 ft [Not drawn to scale] Which is true of the measures of the sides of the original square? Each side of the original square is 7 the length of each side of the scale model. O Each side of the original square is 4 times the length of each side of the scale m O Each side of the original salvare is the same length as each side of the scale ma

Answers

Answer:

Step-by-step explanation:

What is the vertex of the graph of f(x) = |x – 13| + 11?

Answers

Hello,

the graph of f(x) is joint here.
It has a form of "V" with (13,11) like vertex;
It is a minimum.
It is composed of 2 half straight lines y=-x-2 (for x<13) and y=x+2 (for x>13)

Answer:

x>13

Step-by-step explanation:

edge 2021

What is an equation of the parabola with vertex at the origin and focus (-6, 0)?

Answers

Answer:

$y^(2)=-24x$

Step-by-step explanation:

According to analytic geometry, a parabola is define as

$y^(2)=4px$

Where $p$ is the coordinate of the focus.

So, the equation for this parabola is

$y^(2)=4(-6)x$

$y^(2)=-24x$

The negative sign indicates that the parabola opens leftward. The image attached shows the graph.

Hello,

p is the parameter of the parabola
y²=2px is his equation.
Focus F=(p/2,0)
Directrice x=-p/2

Here p/2=-6==>p=-12
Equation is y²=-24x

Which kind of function best models the data in the table? Use differences or ratios.y X
0 1.7
1 6.8
2 27.2
3 108.8
4 435.2

a. linear
b. quadratic
c. exponential
d. none of the above

Answers

Answer:

Option C exponential.

Step-by-step explanation:

To find the function best models the data in the table we will find the common ratio first. If the common ratios of the function are same then it's an exponential function.

For x = 0 and x = 1

$(f(1))/(f(0))=(6.8)/(1.7)=4$