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RUDIKE [14]
3 years ago
10

Find the solution to the system of equations. You can use the interactive graph below to find the solution. {y=-x+2 {y=3x-4

Mathematics
1 answer:
bija089 [108]3 years ago
3 0

Answer:

try socratic it should help

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show that the sum of the x- and y- intercepts of any tangent line to the curve sqrt(x) sqrt(y) = sqrt(c) is equal to c.
expeople1 [14]
The answer is <span>√x + √y = √c </span>
<span>=> 1/(2√x) + 1/(2√y) dy/dx = 0 </span>
<span>=> dy/dx = - √y/√x </span>

<span>Let (x', y') be any point on the curve </span>
<span>=> equation of the tangent at that point is </span>
<span>y - y' = - (√y'/√x') (x - x') </span>

<span>x-intercept of this tangent is obtained by plugging y = 0 </span>
<span>=> 0 - y' = - (√y'/√x') (x - x') </span>
<span>=> x = √(x'y') + x' </span>

<span>y-intercept of the tangent is obtained by plugging x = 0 </span>
<span>=> y - y' = - (√y'/√x') (0 - x') </span>
<span>=> y = y' + √(x'y') </span>

<span>Sum of the x and y intercepts </span>
<span>= √(x'y') + x' + y' + √(x'y') </span>
<span>= (√x' + √y')^2 </span>
<span>= (√c)^2 (because (x', y') is on the curve => √x' + √y' = √c) </span>
<span>= c.  hope this helps :D</span>
5 0
3 years ago
Mason opens a savings account by making a $165.85 deposit. Every week, he deposits another $20.50 in the account. The following
alina1380 [7]

Answer:

$370.85

Step-by-step explanation:

sub the 10 for the x

370.85

6 0
3 years ago
Read 2 more answers
What two numbers multiply and get 100 and add and get -29??
butalik [34]
X, y - the numbers

The numbers multiply to 100.
xy=100

The numbers add up to -29.
x+y=-29 \\&#10;y=-x-29

Substitute -x-29 for y in the first equation:
x(-x-29)=100 \\&#10;-x^2-29x=100 \\&#10;-x^2-29x-100=0 \\&#10;-x^2-4x-25x-100=0 \\&#10;-x(x+4)-25(x+4)=0 \\&#10;(-x-25)(x+4)=0 \\&#10;-x-25=0 \ \lor \ x+4=0 \\&#10;x=-25 \ \lor \ x=-4 \\ \\&#10;y=-x-29 \\&#10;y=-(-25)-29 \ \lor \ y=-(-4)-29 \\&#10;y=25-29 \ \lor \ y=4-29 \\&#10;y=-4 \ \lor \ y=-25 \\ \\&#10;(x,y)=(-25,-4) \hbox{ or } (x,y)=(-4,-25)

The numbers are -4 and -25.
6 0
3 years ago
Read 2 more answers
A recipe requires 3.5 teaspoons of sugar to make a tart. which equation shows the number of teaspoons of sugar, y, needed to mak
tresset_1 [31]

<u> x = 3.5y </u><u>equation shows the number of teaspoons of sugar, y, needed to make </u><u>x tarts.</u>

What is the linear equation in two variable?

Any equation which can be put in the form ax + by + c = 0, where a, b and c are real numbers, and a and b are not both zero, is called linear equation in two variable.

<u>According to the given question</u>

A recipe require 3.5 teaspoons of sugar to make a tart.

y represents the number of teaspoons of sugar.

x represents the number of tarts.

Now, for x tart 3.5y teaspoons of sugar required.

⇒  x = 3.5y

Hence, the linear equation in two variable that shows the number of teaspoons of sugar y, needed to make x number or tarts is x = 3.5y.

Learn more about linear equation in two variable.

brainly.com/question/24085666

#SPJ4

8 0
2 years ago
A square has a perimeter of 48 m. What is the length of each side?
zysi [14]

Answer: 12cm is the answer

Step-by-step explanation:

You just divide 48 divided by 4 because I square has 4 equal sides.

4 0
3 years ago
Read 2 more answers
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