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Mazyrski [523]
3 years ago
11

How can you tell whether the sum of two integers is positive,negative,or zero?

Mathematics
1 answer:
mario62 [17]3 years ago
5 0
  • two negative added together equals a negative  Ex:-2+-2=-4
  • two number that are the same, but are positive and negative added together equal 0   Ex: -2+2=0
  • two numbers that are positive added together equal positive  Ex:2+2=4
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HHenry is going on a trip to Brazil. He is currently deciding which cities he will visit during his stay. The table below shows
Karo-lina-s [1.5K]
First, sum up the total expenses for the original plan

Duque de Caxias + Campinas + Rio de Janeiro + Guarulhos = 242+185+193+120 = R$740

It is clearly over the intended budget. The average cost per itinerary is around R$200 so we will consider making a swap on either Duque de Caxias and Rio de Janeiro.  Possible answers are (b) or (c)

for (b) Replace Duque de Caxias with Fortaleza, we will have

Fortaleza + Campinas + Rio de Janeiro + Guarulhos =
⇒ 201+185+193+120 = R$699  ⇒ This is exactly the budget intended for the trip

for (C) Replace Rio de Janeiro with Porto Alegre
Duque de Caxias + Campinas + Porto Alegre  + Guarulhos =
⇒ 242 + 185 + 153 +120 = R$ 700 ⇒ This is over R$1

The answer is (b)

5 0
3 years ago
Read 2 more answers
10 less than the product of 4 and z
Bumek [7]

Answer:

4z-10

Step-by-step explanation:

Hope this helped idek if its an option but so srry if its wrong.

7 0
2 years ago
Read 2 more answers
what are the lengths of the legs of a right triangle in which one acute angle measures 19° and the hypotensue is 15 units long?
givi [52]
Refer to the diagram shown below.

Given:
m∠A = 19°
c = 15

By definition,
sin A = a/c
Therefore
a = c*sin A = 15*sin(19°) = 4.8835

cos A = b/c
Therefore
b = c*cos A = 15*cos(19°) =14.1828

Answer:
The lengths are 4.88, 14.18, and 15.00  (nearest hundredth)  

6 0
3 years ago
What is m∠N?<br> A. 19°<br> B. 68°<br> C. 95°<br> D. 112°
Gennadij [26K]
It would be B. 68

I hope this help!
6 0
3 years ago
What is the probability that you will select someone from the survey that does not watch NBC? Explain.
maria [59]

Answer:

It is the last choice, 53.33%.

Step-by-step explanation:

The number who don't watch NBC is 20+4 = 24.

So the fraction who do not watch NBC  = 24/45

= 53.33%

6 0
3 years ago
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