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3 years ago

The diagram shows the dimensions of the pool cover for a hotel pool.

Mathematics

1 answer:

vlabodo [156]3 years ago

7 0

Step-by-step explanation:

if pool is like cylinder

area =πr²h

if pool is cuboid

then area =2(lh+bh+lb)

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All I need is number one

julia-pushkina [17]

Answer:

a. 7 ÷ 4 yes

b. 4 ÷ 7 no

c. $\frac{7}{4}$ yes

d. $\frac{4}{7}$ no

e. 7 × $\frac{1}{4}$ yes

f. $1\frac{3}{4}$ yes

Step-by-step explanation:

hope this helps ^^

5 0

3 years ago

What is the inverse of the function f(x)=1/9x+2

Anna35 [415]

Answer:

$f^{-1}(x)=9x-18$

Step-by-step explanation:

we have

$f(x)=\frac{1}{9}x+2$

Let

$y=f(x)$

$y=\frac{1}{9}x+2$

Exchange variables x for y and y for x

$x=\frac{1}{9}y+2$

Isolate the variable y

$x-2=\frac{1}{9}y$

$y=9(x-2)$

$y=9x-18$

Let

$f^{-1}(x)=y$

$f^{-1}(x)=9x-18$ -------> inverse function

7 0

4 years ago

Read 2 more answers

Convert 0.00049 to scientific notation.

Studentka2010 [4]

Answer:

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Solve the given equation for t. vt - 16t = 23

FrozenT [24]

I am sorry I don’t know the Answer

8 0

3 years ago

Help on section A :)

N76 [4]

Hey there!

To start, the domain of a function is the set of x values a function has, in other words, the values the function has on the x-axis.

In this function, the graph appears to have a function going on infinitely in both directions (left and right). Because of this, your domain in interval notation would be (-∞,∞)

**Your interval notation would be in parenthesis because you cannot include negative or positive infinity as one of your values since while your graph is approaching these values, it never really reaches it.

Hope this helps and have a wonderful day! :)

5 0

3 years ago