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adell [148]
3 years ago
7

What is -34 + (-47)?

Mathematics
1 answer:
Hoochie [10]3 years ago
4 0
-81. if you are adding two negative numbers, add them like normal and add the negative sign. you can never get more positive when adding two negatives, you just get more negative :)
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Find the standard form polynomial that represents this product. (6 - y - 4y^2)(-5 + 7y^2)​
Tema [17]

Answer:

  • -28y^4 - 7y^3 + 62y^2 + 5y - 30

Step-by-step explanation:

<u>Opening the parenthesis and simplifying by combining like terms:</u>

  • (6 - y - 4y^2)(-5 + 7y^2)​  =
  • 6(-5) +6(7y^2) - y(-5) -y(7y^2) -4y^2(-5) -4y^2(7y^2) =
  • -30 + 42y^2  + 5y - 7y^3 +20y^2 -28y^4 =
  • -28y^4 - 7y^3 + 62y^2 + 5y - 30

5 0
3 years ago
Gorge was able to solve 36 math problems in 15 muinutes. Urban was able to solve 42 math problems in 20 muinutes. Who was able t
MrRissso [65]

Answer:

Urban, 2.1 mins

Step-by-step explanation:

36 ÷ 3 = 2 (Gorge's)

42  ÷ 2 = 2.1 (Urban)

3 0
3 years ago
The owner of Livingston Florist is assembling flower arrangements for Valentine's Day. This morning, she assembled 9 small arran
Dmitriy789 [7]

Answer:

24 minutes for 3 large arrangements

54 minutes for 9 small arrangements

6 minutes for each small arrangement

8 minutes for each large arrangement  

Step-by-step explanation:

hope this helps!

3 0
2 years ago
suppose your average, after taking 4 quizzes is 70 out of 100. what must your average be on the next 4 quizzes to increase your
exis [7]

Answer:

94

Step-by-step explanation:

Average = Total / Number of Data

70 \times 4 = 280

You have a total of 280 points after 4 quizzes.

4+4=8 quizzes in total

Total you need for average to be 82

82 \times 8 = 656

Number of points you need to hit required:

656 - 280 = 376

You need 376 points in total for the next 4 quizzes.

376  \div 4 = 94

You need an average of 94 points on the next 4 quizzes.

5 0
3 years ago
Jung has a total of 92 coins in his coin collection. This is 8 more then 3 times the number of quarters in the collection. How m
andre [41]

Answer:

28

proof:

28*3= 84

92-84= 8

5 0
3 years ago
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