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Mnenie [13.5K]
4 years ago
14

when u do a problem like this- 9+(-8) -does the -8 change to a positive 8 and does it become subtraction bc of the double negati

ve rule?
Mathematics
2 answers:
tekilochka [14]4 years ago
8 0
Changes to a positive

earnstyle [38]4 years ago
5 0
Correct, we were taught to change to sign to the opposite sign ex: 3+-1 would be 3-+1
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Harold collected data on the daily high temperature in two cities over a period of one week.
Misha Larkins [42]

Answer:

Correct choices are 1 and 4

Step-by-step explanation:

As per data given we have:

  • Median temperature is 75°F and 88°F
  • And the range from the median is 5° for both cities

This gives us lowest temperatures of:

  • 75° -5° = 70° and 88° - 5°= 83° respectively

And high temperatures are:

  • 75° + 5° = 80° and 88° + 5° = 93°

<u>Answer choices based on above details:</u>

  • Choice 1 - correct
  • Choice 2 - incorrect. Correct answer is 93°
  • Choice 3 - incorrect. Correct answer is 93° - 70° = 23°
  • Choice 4 - correct

3 0
3 years ago
Which expressions are equivalent to the expression shown below? Select all that apply. 6x + 3y – 2x + 4y – 2y + x + 5x A 10x + 5
yuradex [85]

Answer:

10x + 5y, 6x - 2x + x + 5x + 3y + 4y - 2y

A and B

4 0
3 years ago
Catalina uses a 3 1/2 ounce packet of seasoning for her steaks. The packet contains of 1 1/3 ounces of garlic powder and 1 1/4 o
svp [43]

Answer:

11/12

Step-by-step explanation:you have to turn all the mixed numbers into improper fraction so 1 1/3 is 16/12 1 1/4 is 15/12 and if you add them you get 2 7/12 and that minus 3 6/12 is 11/12

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4 years ago
1. What is happening when you are multiplying fractions?
vova2212 [387]

Answer:

To multiply fractions, first we simplify the fractions if they are not in lowest terms. Then we multiply the numerators of the fractions to get the new numerator, and multiply the denominators of the fractions to get the new denominator.

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7 0
3 years ago
A pet owner has 5 cats. Each cat has 2 ears and 4 paws. Complete the double number line to show the numbers of ears and paws for
aleksandrvk [35]

Answer:

If there are 3 cats in the room, what is the ratio of ears to paws?  1 : 2

If there are 4 cats in the room, what is the ratio of paws to ears?  2 : 1

If all 5 cats are in the room, how many more paws are there than ears? the number of paws is twice as more than the number of ears, we have 10 more paws than ears.

Step-by-step explanation:

You can see the double number line for this situation in the attached photo.

So as we can see in the double number line diagram, if there are 3 cats in the room we would have an ears to paws ratio of 6 : 12 , which simplified would be 1 : 2, meaning that for every ear there are 2 paws.

For the next question, if there are 4 cats in the room, the paws to ears ratio would be 16 : 8, simplified to 2 : 1, meaning that for every 2 paws there is 1 ear.

And for the last question, if all 5 cats are in the room, we have that the paws to ears ratio is 20 : 10, simplified again to 2 : 1, meaning the number of paws is twice as more than the number of ears, so in this case we have 10 more paws than ears.

7 0
3 years ago
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