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2 years ago

Please help me. It’s from my math class

Mathematics

2 answers:

serg [7]2 years ago

8 0

Answer:

he would need about 16 weeks

Flauer [41]2 years ago

5 0

Answer:

1-72: Estimate- 15 weeks

Actual- $125/$7.75= 16.13 weeks.

1-73: 3 feet long=36 inch board

6 feet long=72 inch board

12 feet long = 144 inch board

1-74: a. 100, 50, 60, 40, 20, 0

b. 75, 60, 45, 30, 15, 0

c. 125, 100, 75, 50, 25, 0

d. 250, 200, 150, 100, 0

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Suppose that $g(x)=f^{-1}(x)$. If $g(-15)=0$, $g(0)=3$, $g(3)=9$ and $g(9)=20$, what is $f(f(9))$?

never [62]

Answer:

Step-by-step explanation:

$\text{If } g(x)=f^{-1}(x);$ and:$\\g(-15)=0,$ g(0)=3, g(3)=9, g(9)=20$

We are to determine the value of $f(f(9)).$

Now:

$g(0)=f^{-1}(0)=3\\g(3)=f^{-1}(3)=9$

From:

$g(3)=f^{-1}(3)=9\\f(9)=3$

From:

$g(0)=f^{-1}(0)=3\\f(3)=0$

Therefore:

$f(f(9))=f(3)=0$

8 0

3 years ago

There are five candidates for class president. McKayla and Jacob have the same chance of winning. Daniel has a 20% chance of win

Marysya12 [62]

Answer:

Mckayla 30%

Jacob 30%

Daniel 20%

Samantha 10%

Maria 10%

Step-by-step explanation: First Divide 20% into half to get samantha and marias percent then add those together then subtract what you get from that to 100% and then divide into half for Mckayla and Jacobs percent

3 0

3 years ago

What the answer and show steps

Ostrovityanka [42]

2/ 2/3 *-6 *5 /-3/4
1/2*2/3=2/6= 1/3
1/3 * -6 * 5 / -3/4
1/3* -6= -2
-2*5 / -3/4
-2*5= -10
-10 / -3/4 = -1/10 * -3/4 = 3/40

6 0

2 years ago

A car dealership has 24 feet of dividers with which to enclose a rectangular play space in a corner

blondinia [14]

Answer:Answer:a) Area=f(x)= 24x-x^2

b) f(x) ranges from 0 to 144

c) Area max = 144 ft^2

Step-by-step explanation: shown in the attachment

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3 years ago

A rectangle is three times as long as it is wide.If it has a perimiter of 64 cm.find its area.

inessss [21]

Answer:

i think you would just do 64+64+64=

Step-by-step explanation:

5 0

2 years ago