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vova2212 [387]
3 years ago
7

Find the sum: -48 + -12 =

Mathematics
1 answer:
Jlenok [28]3 years ago
3 0

Answer:

-48+-12=. -60

Step-by-step explanation:

Well -48 +( -12)

Assume the plus sign is +1 ,multiply by 12 using the law of integers. that is +(-)= -. Then continue by subtracting -12 from - 48. with this another law is used -(-)= a plus . Like 48 + 12 =60.Then check for the number with the highest value to determine your answer for the sum you got. In this case negative 48 is the highest so it's negative 60

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Which ratio is equivalent 12/16
Semmy [17]

Answer:

3/4

Step-by-step explanation:

12/16 can be simplified just divide by 4

hoped this helped

6 0
2 years ago
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simple interest = P × r × t Perry earns 5 percent simple interest annually on his savings account. How much interest will Perry
vagabundo [1.1K]
 P = $650
r = 5% annually = 0.05
t = 1 month = 1/12 year

SI = Prt = 650 * 0.05 * 1/12 = $2.7
5 0
3 years ago
Halla la diferencia de 2 numeros si su MCD es 48 y su suma es 288
Murrr4er [49]

    SUM:                x + y = 288

DIFFERENCE:   +  <u>x - y =  48 </u>

                            2x     = 336

                             x      = 168

 SUM: x + y = 288  →   (168) + y = 288   →   y = 120

Answer: 120, 168

7 0
3 years ago
ron wants to buy a videoo game with a selling price of $48 on sale for 50% off. the sales tax in his state is 4.5% A)how much wi
levacccp [35]
48 * .5 = 24

24 the amount of money discounted off the price

Therefore it would be 48 - 24 = 24, but then comes the sales tax.

Do 24 * .045 = 1.08

1.08 is the amount of tax owed on the game so you'd do

24 + 1.08 = 25.08


A) The total cost for the game is 25.08


B) Unfortunately he is short by 8 cents and won't be able to buy the video game he wants.
8 0
3 years ago
A study was interested in determining if walking 2 miles a day lowered someone's blood pressure.Twenty people's blood pressure w
Ivanshal [37]

Answer:

This is an "Experiment" type of study

Step-by-step explanation:

Researchers use various methods or techniques to conduct research and draw conclusions from it. Some of these methods are given below

1. Experiment

2. Observational study

3. Anecdotal evidence

1. Experiment: In this type of study, researchers have control over their setup and they can give directions or apply any treatment on their subjects.

2. Observational study: In this type of study, researchers cannot give directions or apply any treatment on their subjects but rather they can only observe what is going on.

3. Anecdotal evidence: Also refers to experience and can be defined as personal experience based on something.

The study that we are given is clearly an example of "experiment" since half of the participants were to told walk 2 miles a day for 6 weeks. The researchers have control over their subjects in this case and they gave directions to their subjects to do this and that.

This could have been an observational study if researchers had selected 10 people who walked 2 miles a day for 6 weeks and 10 people who did not walk 2 miles a day for 6 weeks and simply measured their blood pressure and come to a conclusion. This way, it would have been a case of observational study.

6 0
3 years ago
Read 2 more answers
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