Ask question

Ask question

All categories

3 years ago

6

Bob has some 10 ltb weights and some 3 lb weights. Together, all his weights add up to 50 lbs. If x represents the number of 3 l

Ib weights and y represents the number of 10 tb weights, which equation can be used to find the number of each type of weight Bob has?

1 answer:

____ [38]3 years ago

7 0

total weight = 50

3x + 10y = 50

You might be interested in

If you buy 6 boxes of cereal for $10, how much will 9 boxes of cereal cost?

Andrew [12]

$\bf \begin{array}{ccllll}
amount&\$\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
6&10\\
9&x
\end{array}\implies \cfrac{6}{9}=\cfrac{10}{x}$

solve for "x"

3 0

4 years ago

The half-life of Carbon-14 is 5730 years. Suppose a fossil is found with 50% of Carbon-14 as compared to a living sample. How ol

melisa1 [442]

The answer is C. Because it takes 5730 years for half of a sample of carbon-14 atoms to decay. It says that 50% of the carbon atoms have decayed so that means that 5730 years have elapsed for that fossil.

I hope that helps.

4 0

3 years ago

You bought a new car in 2015 for $32,000 that is depreciating in value by 15% each year. Write a function to represent this situ

Hitman42 [59]

Function: x = years

x = $32,000-15%x

Value of car in 2020:

$8000

4 0

3 years ago

Which graph is the solution of the following systems <br><br> HELP ON ON GRADPOINT

makkiz [27]

I think it is the second one but I’m not for sure I’m really just doing this for points

6 0

3 years ago

What is the inverse of y=r? + 8?

Maru [420]

Answer:

F-1(x)=x+8

Step-by-step explanation:

What is the inverse of y=r? + 8?

I hope this help.

6 0

3 years ago