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Pavel [41]
4 years ago
15

The difference between a country's exports and imports is called the country's trade balance. If one country had a trade balance

of - $86 billion in 1991, $142 billion in
1995, and - $43 billion in 1994. What was the total trade balance for these years?
A. -271 billion dollars
OB. 271 billion dollars
O C. 13 billion dollars
O D . -13 billion dollars
Mathematics
1 answer:
liq [111]4 years ago
8 0

Answer:

C: 13 billion dollars

Step-by-step explanation:

- 86 + 142 - 43 = 13 billion dollars

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Which average - mean, median, or mode - is associated with the standard deviation?
OLga [1]
Answer:  [A]:  "mean" .
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5 0
4 years ago
PLEASE HELP!!!!!!!!!
Irina-Kira [14]

Answer:

114

Step-by-step explanation:

The external angle measure is equal to the half of difference between the larger intercepted arc (5x-12) and the smaller intercepted arc (3x)

32 = (5x-12 -3x)/2

combine like terms in parenthesis and multiply both sides by 2

32·2 = 2x-12

multiply 32·2 = 64, and add 12 to both sides

64 + 12 = 2x

add 64+12 = 76, and divide both sides by 2 to isolate x

76/2 = x

38 = x

The measure of arc AB is 3x.

Substitute x for 38

Measure of arc AB = 3x = 3·38 = 114

7 0
3 years ago
I need help super bad!!!!
Marysya12 [62]
4x+7y=47  /*4 ------>16x + 28y=188
5x-4y=-5  /*7  -------->35x-28y=-35

16x + 28y=188,   add this two equations
35x-28y=-35

16x + 28y+35x-28y=188-35
16x +35x=188-35
51x =153m
x=3

5x-4y=-5 
5*3-4y=-5 
15-4y=-5
4y=15+5
4y=20
y=5
 
Answer (3,5), B

3 0
3 years ago
A polynomial multiplied by a polynomial is a polynomial
Kruka [31]

Answer:

True

Step-by-step explanation:

I looked it up since I'm not good at explanations so here you go, sorry if this is a late reply;

"True: the product of two polynomials will be a polynomial regardless of the signs of the leading coefficients of the polynomials. When two polynomials are multiplied, each term of the first polynomial is multiplied by each term of the second polynomial."

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=%287%20-%208%29%20%5Ctimes%202%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title="(7 - 8) \times 2
Diano4ka-milaya [45]
Answer: -4
Work: 7-8 = -1 x 4
7 0
3 years ago
Read 2 more answers
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