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Radda [10]
4 years ago
15

1. Find the domain of the function shown. Write your answer in interval notation.

Mathematics
1 answer:
blondinia [14]4 years ago
5 0

2 & 4 has same answers


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Find the area below ( i’m struggling with this and this work is due today lol )
OlgaM077 [116]

Answer:

A = 216

Step-by-step explanation:

<em><u>The shape presented is an isosceles triangle, and the formula for this is:</u></em>

A = \frac{1}{2} bh

<em><u>The "</u></em>b<em><u>," is the base (27) and the "</u></em>h<em><u>," is the height (16), so plug these in:</u></em>

A = \frac{1}{2} (27)(16)

A  = \frac{1}{2} 432

A = 216

4 0
3 years ago
Inverse of f(x)= x^2 -1, x is greater than or equal to 0
romanna [79]

f(x)=x^2-1,\ x\geq0\\\\y=x^2-1\\\\\text{replace x with y and y with x}\\\\x=y^2-1\\\\\text{solve for y}\\\\y^2-1=x\ \ \ \ |+1\\\\y^2=x+1\to y=\sqrt{x+1}\\\\Answer:\ \boxed{f^{-1}(x)=\sqrt{x+1}}

3 0
4 years ago
Whats 72/20 as a proper fraction... im lazy.
Ivahew [28]

Answer: 72/20 = <u>3 3/5</u>

Step-by-step explanation:

..........

4 0
3 years ago
Read 2 more answers
Machine A can complete a certain job in x hours. Machine B can complete the same job in y hours. If A and B work together at the
scZoUnD [109]

Answer:

\frac{y}{x+y}

Step-by-step explanation:

The required answer is the rate at  which Machine A  works when the two machines are combined.

Note: the rate of doing work is express as

rate=\frac{1}{time taken} \\

Hence we can conclude that Machine A working rate is

machine A=\frac{1}{x} \\ and machine B working rate is

machine B=\frac{1}{y} \\

When the two machine works together, the effective working rate is

\frac{1}{x}+\frac{1}{y}\\\frac{xy}{x+y}\\

The fraction of the work that Machine B will not have complete because of Machine A help is the total work done by machine A

Hence the fraction of work done by A is expressed as

\frac{1}{x}*combine working rate

\frac{1}{x}*\frac{xy}{x+y}\\\frac{y}{x+y} \\

Hence the fraction of the work that Machine B will not have complete because of Machine A help is the total work done by machine A is \frac{y}{x+y} \\

6 0
3 years ago
[HELP]
Assoli18 [71]

Answer:

you can give 10 cents in 4 different ways

5 0
3 years ago
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