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Anastasy [175]
3 years ago
10

I have another Brainliest

Mathematics
1 answer:
strojnjashka [21]3 years ago
8 0
Answer: “A” Opportunity cost is “the value of an investment opportunity you pass up in order to take another investment opportunity .” It’s pretty much the sacrifice you make to do something else.
Ex. To earn volunteer hours, Billy decided not to go to Bob’s birthday party.
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At a pet store the total cost of 8 pounds of Brand X dog food and 1 pound of Brand Y dog food is $8.40, including tax. The total
patriot [66]

Answer: The price per pound of Brand Y dog food is \$1.2

Step-by-step explanation:

We have to brands of dog food (Brand X and Brand Y).

So, firstly we are told the total cost of 8 pounds of Brand X and 1 pound of Brand Y \$ 8.40:

8X+1Y=\$8.40 (1)

Then, we are told the total cost of 16 pounds of Brand X and 8 pounds of Brand Y is $24.00:

16X+8Y=\$24.40 (2)

Now we have two equations with two unknowns and we need to find Y.

Multiplying eqquation (1) by -2:

-16X-2Y=-\$16.8 (3)

Adding (2) and (3):

6Y=\$7.2 (4)

Isolating Y:

Y=\$1.2 (5) This is the price per pound of Brand Y dog food

8 0
3 years ago
Hopefully you can see it! Look on my profile to see more questions! Love y'all <3
uranmaximum [27]
120 in 1 minute 600 in 5 minutes and 960 in 8 minutes
4 0
3 years ago
Maris has 1,400 minutes to use on her cell phone. She has used 45% of her minutes. How many minutes has she used?
KiRa [710]

Answer:

630 minutes

Step-by-step explanation:

.45 (percentage) multipled by the total number of minutes she has (1,400) equals 630.

7 0
3 years ago
Read 2 more answers
What is 1/5 out of 40
artcher [175]
1/5 out of 50 I think is 8
I'm not 100% sure though
5 0
3 years ago
Read 2 more answers
Pls help will give brainliest and 5star plss
BaLLatris [955]

Answer:

3. 8 and 9

4. root 50 and root 144 for they are able to be multiplied to get a whole number/integer

5. 36 feet for the area is calculated be side x side all sides are equal so a number that has a whole root is the number so 36

6. 6 as would be one of the sides of the square rug

Hope this helps. Pls give 5 star, thanks, and brainliest.


6 0
3 years ago
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