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GalinKa [24]
3 years ago
5

Simplify 15.6 divided by negative 3..

Mathematics
1 answer:
weqwewe [10]3 years ago
6 0
15.6:(-3)=-15.6:3=-(15:3+0.6:3)=-(5+0.2)=-5.2
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Give the values of a, b, and c needed to write the equation's general form.. (5 + x)(5 - x) = 7. A = 1; B = 0; C = -18. A = 25;
Licemer1 [7]
The general form of an equation is A x^{2} +Bx+C=0. Solving for  (5+X)(5-X)=7 by multiplying the factors and subtratcting 7 on both sides gives the equation x^{2} -18=0, so 
A = 1
B = 0
C = -18
6 0
3 years ago
What is the sum of the number of faces, edges, and vertices for a rectangular prism?
Vera_Pavlovna [14]

Answer: 28

Step-by-step explanation: 6 faces, 12 edges, 8 vertices

3 0
3 years ago
A cell phone provider offers a plan that costs ​$30 per month plus ​$0.10 per text message sent or received. A comparable plan c
mariarad [96]

300 messages would have to be sent or received in order for the plan to cost same each month.

Step-by-step explanation:

Given,

Cost per month = $30

Per text sent or received charges = $0.10

Let,

x be the number of texts sent or received.

A(x) = 0.10x+30    

A comparable plan costs = $60 per month

Text messages are unlimited.

B(x) = 60

For the two plans to cost equal;

A(x) = B(x)

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Dividing both sides by 0.10

\frac{0.10x}{0.10}=\frac{30}{0.10}\\x=300

300 messages would have to be sent or received in order for the plan to cost same each month.

Keywords: function, addition

Learn more about functions at:

  • brainly.com/question/2860697
  • brainly.com/question/2977815

#LearnwithBrainly

3 0
3 years ago
1. Oblicz:
dem82 [27]

Step-by-step explanation:

1. Oblicz:

a) Liczbę o 15% mniejszą od 60

b) Liczbę, której 15% stanowi 60

c) Jakim procentem 60 jest 15

d) O ile %większa jest 60 od 15

2. Kasia kupiła buty na wyprzedaży przecenione o 20%. Ich cena początkowa to 180 zł. W domu sprzedała je siostrze zarabiając na tym 10% wartości. Ile zapłaciła Kasi siostra za buty?

3. Liczba, którą powiększymy o 20% daje nam 30. Jaka to była liczba?

4. Za dwie książki zapłacono 42 zł. Ile kosztuje droższa z nich, jeżeli jedna jest o 25 % tańsza od drugiej?

5 0
2 years ago
Solve for x please I need help
ser-zykov [4K]

Answer: picture wont seem to load, maybe try again

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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