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Ray Of Light [21]
2 years ago
6

Which of the following number sentences is true? A -9=9 B-9=-(9) C 9=(-9) D 9=-(-9)

Mathematics
1 answer:
kondaur [170]2 years ago
3 0

Answer:

A and D are the true number sentences

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How many countries in world
mariarad [96]

Answer:

There are 195 countries in the world today. This total comprises 193 countries that are member states of the United Nations and 2 countries that are non-member observer states: the Holy See and the State of Palestine

Not included in this total count of 195 countries are:

•Taiwan - the United Nations considers it represented by the People's Republic of China

•The Cook Islands and Niue, both states in free association with New Zealand which are members of several UN specialized agencies and have been recognized "full treaty-making capacity", but are neither member states nor non-member observer states.

•Dependencies (or dependent territories, dependent areas, dependencies) and Areas of Special Sovereignty (autonomous territories)  

•Other countries recognized by the United Nations as not being self-governing



8 0
3 years ago
Evaluate the given algebraic expression for x = 3 and y=3.<br> x^2y^2
Keith_Richards [23]

Answer:

81

Step-by-step explanation:

3^{2} =9\\3^{2} =9

9 x 9 = 81

7 0
2 years ago
Solve for x: −4|x + 5| = −16
Lana71 [14]

Answer:

Step-by-step explanation:

x 1= -9, x 2 = -1. so the third one

8 0
2 years ago
8g - 7 = 5g + 6. What is g?<br><br>​
Whitepunk [10]
In fraction form g would be 13/3, decimal form is 4.3
4 0
3 years ago
Graph? Which is linear
tatuchka [14]

Answer:

Below

Step-by-step explanation:

1. Linear because it is of the form y = mx + b. The variable x  is of the first degree.

The coefficient of x (1/3)  ( = slope) is positive so it is increasing.

2. This is non-linear because the variable x is an exponent.

3. Because  its of the second degree (x^2) - it is non-linear.

7 0
3 years ago
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