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3 years ago

How do you do this, I don’t understand it

Mathematics

2 answers:

Otrada [13]3 years ago

7 0

For the first line start at -1 and from there go up to and to the right three
for the second line on nuber one start at 4 and down 1 and to the left 1

nignag [31]3 years ago

3 0

You hav to find out what the y stand for

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Jill makes 40 hours per week. She makes $20 per hour. What is his gross pay

krek1111 [17]

Answer:

Weekly Gross Income: $800

Anual Gross Income: $41,600

Monthly Gross Income: $3,466.67

Step-by-step explanation:

Weekly: 40 x 20 = 800

Anual: 40 x 20= 800 800x52= 41,600

Monthly:41,600 / 12= 3,466.6666666666666666666666

4 0

3 years ago

Find the volume of the largest rectangular box in the first octant with three faces in the coordinate planes and one vertex in t

makkiz [27]

Answer:

Step-by-step explanation:

$x + 2y + 3z = 12$

$z=\frac{12-x-2y}{3}$

Volume = $V=f(x,y) = xy(\frac{12-x-2y}{3} )$

find partial derivatives using product rule

$f_x =\frac{y}{3} (12-2x-2y)\\f_y = \frac{x}{3} (12-x-4y)$

i.e.

Using maximum for partial derivatives, we equate first partial derivative to 0.

y=0 or x+y =6

x=0 or x+4y =12

Simplify to get y =2, x = 4

thus critical points are (4,2) (6,0) (0,3)

Of these D the II derivative test gives

D<0 only for (4,2)

Hence maximum volume is when x=4, y=2, z= 4/3

Max volume is = 4(2)(4/3) = 32/3

6 0

3 years ago

Find 1.47 divided by 3.5. Does the answer change if you use a different power of 10 to multiply the dividend and the divisor bef

MrRa [10]

<span>the answer to 1.47 divided by 3.5 is 0.42. When you use different power of 10 to multiply the dividend and the divisor, the answer changes to different multiples of 0.42 in terms of 10. The answer could be 0.042 or 4.2 etc depending on the power of 10 used to multiply the dividend and divisor.</span>

5 0

3 years ago

What is the solution to the inequality shown below?

lesantik [10]

To solve the inequality, you need to isolate/get the variable "p" by itself in the inequality:

5p + 26 < 72 Subtract 26 on both sides

5p + 26 - 26 < 72 - 26

5p < 46 Divide 5 on both sides to get "p" by itself

$\frac{5p}{5}$