If x varies inversely with ³√y, and x=3 when y=64 find x when y=1000

Answer: For 20 hours it would be $1,500 and for 50 hours it would be $3,000.

Step-by-step explanation:

The equation for this problem would be y=50x+500.

Y is the total charge and x is the amount of hours. Plug in 20 and 50, and then you have your answer.

Answer:

Step-by-step explanation:

A

Answer: [tex]\dfrac{17}{5}[/tex] miles

Step-by-step explanation:

We can express a mixed fraction as an improper fraction.

The process is as follows:

[tex]a\dfrac{b}{c}=\dfrac{ac+b}{c}[/tex]

The given mixed number = [tex]3\dfrac25[/tex] miles

This can be represented as

[tex]3\dfrac25=\dfrac{3\times5+2}{5}\\\\=\dfrac{15+2}{5}\\\\=\dfrac{15+2}{5}\\\\=\dfrac{17}{5}>1[/tex]

Hence, the required fraction= [tex]\dfrac{17}{5}[/tex] miles

Answer:

45

Step-by-step explanation:

I had the same question and its 45

Answer:

80 is the answer

Step-by-step explanation:

The direct variation is given by:

[tex]F=k\,\frac{m}{d^2}[/tex]

So given the values for each variable, we can find the constant of proportionality k:

[tex]F=k\,\frac{m}{d^2} \\60=k\,\frac{1470}{7^2} \\k = \frac{60*49}{1470} \\k=2[/tex]

Then we can now find what the value is when m = 2560 and d = 8 by using the proportionality equation with k = 2:

[tex]F=2\,\frac{m}{d^2} \\F=2\,\frac{2560}{8^2}\\F=80[/tex]

Answer:

2.75

[tex]2 = 4(x - 5) + 4x \\ 2 = 4x - 20 + 4x \\ 2 = 8x - 20 \\ 2 + 20 = 8x \\ 22 = 8x \\ \frac{22}{8} = x = 2.75[/tex]

Answer:

(X,Y)=( [tex]\frac{4}{3}[/tex] ,[tex]\frac{25}{9}[/tex])

Step-by-step explanation:

Answer:

x = 1 1/3 and y = 2 7/9

Step-by-step explanation:

Subtract the two equations:

[tex]5x + 3y = 15\\2x + 3y = 11[/tex]

3x = 4

divide both sides by 3

x = 4/3

Substitute this into the equation 5x + 3y = 15

[tex]5(\frac{4}{3} ) + 3y = 15\\\frac{20}{3} + 3y = 15\\3y = 8\frac{1}{3} \\y = 2\frac{7}{9}[/tex]

Answer:

a = 60°

60°, 60°, 120°, and 120°.

Step-by-step explanation:

Sum of interior angles of a quadrilateral = 360°

Therefore:

a° + a° + 2a° + 2a° = 360°

Add like terms

6a = 360

Divide both sides by 6

a = 60

2a = 2(60) = 120°.

Angle measure from least to greatest are 60°, 60°, 120°, and 120°.

Answer:

31/10, 3 1/9, 3.115, 3.45 in that order.

Step-by-step explanation:

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

n  =  8

Step-by-step explanation:

Have a nice day! I hope this helps!

Answer: n=8

Step-by-step explanation:Step 1: Simplify both sides of the equation.

17n−23n+11.5n=44

17n+−23n+11.5n=44

(17n+−23n+11.5n)=44(Combine Like Terms)

5.5n=44

5.5n=44

Step 2: Divide both sides by 5.5.

5.5n/5.5=44/5.5

Answer:

6.2

Step-by-step explanation:

Although there's multiple ways to solve this problem, my method will be to simply find the area for the full triangle (the empty + orange triangles) and subtract the area of the smaller, empty triangle.

Now, you that area for a triangle is 1/2*base*height.

To find the measurements for the full triangle, you must add up the bases for the two smaller triangles:

[tex]Base_{total} = Base_{empty} + Base_{orange} \\Base_{total} = 1.9ft + 3.1 ft\\Base_{total} = 5 ft[/tex]

Height is the same for both triangles so Height total = 4 ft.

Now the total area can be calculated:

Area total= 1/2* base_total * height_total

Area total = 1/2 * 5ft * 4 ft  

Area total = 20 / 2 = 10 ft squared

Lastly, subtract the area of the empty triangle from the total triangle to find the orange triangle.

Area Empty Triangle = 1/2 * base_empty * height_empty

Area Empty Triangle = 1/2 * 1.9ft * 4 ft = 7.6 ft / 2 = 3.8 ft squared

Area total - Area empty = 10ft^2 - 3.8ft^2 = 6.2 ft squared

Answer:

36s^3

Step-by-step explanation:

Answer:

150/100×32

=48.................

Answer:

48

Step-by-step explanation:

150/100 * 32

3/2*32

(3)(32)/(2)(1)

96/2

48

Answer:

109 m

Step-by-step explanation:

189-(15+36+29)=109 meters

Answer:

I believe the correct answer is Point L

Answer:

Point O

Step-by-step explanation:

Step-by-step explanation:

its located in quadrant I right now if its rotated 90° clockwise it would be in quadrant IV(4)

Answer:

Joe makes 5 dollars a week

Step-by-step explanation:

Joe started with 173 so you will subtract that from the total

208-173=35

You will then divide that number by the number of weeks he has worked

35÷7=5

Therefore joe makes 5 dollars a week

The amount of money that he earns each week will be $5 per week.

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

Joe has $173 he earns the same amount of money each week for seven weeks and put this money in the bank now Joe has $208 in the bank.

Let 'm' be the amount of money that he earns each week. Then the equation is written as,

208 = 7m + 173

Simplify the equation, then we have

208 = 7m + 173

35 = 7m

m = $5

The amount of money that he earns each week will be $5 per week.

More about the linear equation link is given below.

https://brainly.com/question/11897796

#SPJ5

Answer:

4.5 miles last week

Step-by-step explanation:

There are 1760 yards in a miles so you would do 7920/1760 = 4.5

Step-by-step explanation:

1)

y=0.7 x -2

2)

y=-0.5x + 1.5

Answer:

b

Step-by-step explanation:

Answer:

48

Step-by-step explanation:

-12×-4 two negatives equal a positive so the answer is 48

Answer:

x= 2

hope it's helpful ❤❤❤

THANK YOU.

Answer:

x = 2

Step-by-step explanation:

→ Divide both sides by 8 to isolate x

x = 2

Function f(x) is increasing  for values of [tex]x<-1[/tex] and [tex]x>3[/tex] .

Therefore, option (B) is correct.

Given function is,

                        [tex]f(x)=(x^{2} -3)e^{-x}\\\\f(x)=x^{2} e^{-x}-3e^{-x}[/tex]

Taking first derivative of above function.

              [tex]f'(x)=2xe^{-x} -e^{-x} x^{2} +3e^{-x} \\\\f'(x)=e^{-x}(2x-x^{2} +3) \\\\f'(x)=-e^{-x}(x+1)(x-3)[/tex]

To find critical points, equate above derivative to zero.

We get,   x = -1 , x = 3

We have three interval,  (-∞ , -1) , (-1, 3) and (3, ∞)

Since, in interval (-∞ , -1)  and (3, ∞) function f(x) is positive.

Therefore, In interval  (-∞ , -1)  and (3, ∞) function is increasing.

Thus, option B is correct.

Learn more:

https://brainly.com/question/4494321?

Answer:

B. 5

Step-by-step explanation:

$40/$8 = 5

Answer : 5

Step-by-step  multiply 8 times 5

Answer:

x=6.67

Step-by-step explanation:

knowns:

both angles are equal to each other

so:

7x-15=4x+5

3x=20

x=20/3

x=6.666

Answer:

He spent $30.54

Step-by-step explanation:

$4.45+$16.30=$20.75

$20.75 times 1.0865=$22.544875 rounded to 2 d.p. = $22.54

$22.54+$8=$30.54