3 years ago

Which graph represents an exponential function?

Mathematics

1 answer:

g100num [7]3 years ago

3 0

Answer:

Step-by-step explanation:

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David wants to fill his backyard swimming pool. His garden hose delivers 40 gallons in 5 minutes. How many gallons of water will

svetlana [45]

Answer:

Part a) $160\ gallons$

Part b) $480\ gallons$

Step-by-step explanation:

Part a) How many gallons of water will be in the pool after 20 minutes?

we know that

Using proportion

$\frac{40}{5}\frac{gallons}{minutes}=\frac{x}{20}\frac{gallons}{minutes} \\ \\x=40*20/5\\ \\x=160\ gallons$

Part b) How many gallons of water will be in the pool after 1 hour

we know that

1 hour = 60 minutes

Using proportion

$\frac{40}{5}\frac{gallons}{minutes}=\frac{x}{60}\frac{gallons}{minutes} \\ \\x=40*60/5\\ \\x=480\ gallons$

5 0

3 years ago

Please help

Ira Lisetskai [31]

Answer:

285°

Step-by-step explanation:

105+180=285

7 0

3 years ago

Jane earns a 5.5% commission on the selling price of each home she sells. She earned $9,020 in commission on the sale of a home.

ratelena [41]

Answer:

"$164000" is the appropriate answer.

Step-by-step explanation:

Let the selling price be "s".

As per the question,

If Jane take 5.5% of selling price i.e.,

= $0.055\times s$

Given commission,

= $9,020

then,

The selling price will be:

⇒ $0.055\times s=9020$

$s=\frac{9020}{0.055}$

$=164000$ ($)

6 0

3 years ago

Please help!!! I have no idea why, but I can’t solve these problems!!!!

zaharov [31]

I don’t understand

5 0

3 years ago

Please help me I need to get this right to pass this class

denis23 [38]

Answer:

6.1 units²

Step-by-step explanation:

area of a triangle= 0.5b*h

b=2

h=6.1

6.1*2=12.2

12.2*0.5= 6.1

3 0

3 years ago