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3 years ago

100 POINTS 100 POINTS 100 POINTS PLEASE HELP!!!!!

Mathematics

2 answers:

Alexeev081 [22]3 years ago

4 0

what point it it the top one or the bottom one?

If its the top one- In decreases then increases it's end point of decrease would be 1

if it's the bottom one- it just has a really steep decline. its end point of decreasing is -4

Makovka662 [10]3 years ago

3 0

Answer:

Top one/ If it decreases then increases the decrease would be 1

the bottom one/ it just has a really steep decline. decreasing is -4

Step-by-step explanation:

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DONE ASAP PLZ!!!! If the volume of a sphere is represented by the equation V= 4/3πr³. Solve for r. Show work to receive 25 point

den301095 [7]

Answer:

∛V / (4/3π) = r

Step-by-step explanation:

V = 4/3πr³

Try to isolate r if you want to solve for it.

So divide everything that's not r from the right side in order to move it to the left side of the equation.

V / (4/3π) = r³

Then since it is raised to the power of 3 , just cube root the other side in order to undo the exponent. This is so you can isolate r.

∛(V/(4/3π)) = r

3 0

3 years ago

Mary graphed a line on the graph below. Her friend, Patty, wanted to graph another line

____ [38]

Answer:

answer is c infinitely many your welcome

Step-by-step explanation:

4 0

3 years ago

How far from the line 3x+2y=5 is the point of intersection of x+y=5 and x–y=3?

Ray Of Light [21]

Answer:

(9sqrt13)/13

Step-by-step explanation:

7 0

4 years ago

You are giving 24 linear feet of fencing all 3 feet tall you wish to make the largest rectangular enclosure possible to maximize

earnstyle [38]

Answer:

The largest area enclosed is A = xy = 6 feet $\times$ 6 feet = 36 $feet^{2}$

Step-by-step explanation:

i) The perimeter of the area is 2 $\times$ (x + y) =24 ∴ x + y = 12 ∴ y = 12 - x

ii) The area of rectangle enclosed A = xy ⇒ A = x ( 12 - x) = 12x - $x^{2}$

iii) differentiating both sides of the equation in ii) we get

$\dfrac{dA}{dx} = 12 - 2x = 0$ ⇒ x = 6 feet

iv) Differentiating both sides of equation in iii) we get $\frac{d^{2}A}{dx^{2} }$ = -2

Therefore the area enclosed is maximum as the double derivative is negative

v) therefore for largest area enclosed x = 6 feet and y = 12 - 6 = 6 feet

vi) therefore the largest area enclosed is

A = xy = 6 feet $\times$ 6 feet = 36 $feet^{2}$

7 0

3 years ago

Daisy purchases a gym membership.She pays a signup fee and a monthly fee off 13$.After 4 months, she has paid a total of$69.Use

bulgar [2K]

Answer:

The signup fee is $17

Step-by-step explanation:

we know that

The equation in point slope form is equal to

$y-y1=m(x-x1)$

where

m is the slope or unit rate of the linear equation

(x1,y1) is a ordered pair of the line

Let

x -----> the number of months

y -----> the total cost of a gym membership

In this problem we have

The slope of unit rate is equal to

$m=\$13\ per\ month$

The ordered pair is

$(x1,y1)=(4,69)$

substitute

$y-69=13(x-4)$ ----> equation in point slope form

Convert to slope intercept form

$y-69=13x-52$

$y=13x-52+69$

$y=13x+17$ ---> equation in slope intercept form

The y-intercept is the signup fee (value of y when the value of x is equal to zero)

therefore

The signup fee is $17

4 0

3 years ago