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icang [17]
2 years ago
9

1) In your own words, explain when (-3)n is positive and when it is negative.​

Mathematics
1 answer:
inessss [21]2 years ago
6 0
-3n is negative when the value of n is positive. When the value of n is negative, the value of -3n is positive. Remember that when multiplying a positive and a negative, the product will be negative. If you are multiplying two numbers with the same sign, the product will be positive.
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Write an improper fraction whose value is between 5 and 10, and whose denominator is 4
sveta [45]

8/4 should work, because the numerator's higher than the denominator.

5 0
2 years ago
Use the compound interest formulas A = Pert and A = P(1 + ) to solve. Suppose that you have $11,000 to invest. Which investment
gulaghasi [49]

Answer:

Continuously

Step-by-step explanation:

Compounded continuously:

A = Pe^(rt)

A = 11,000 e^(0.0625 × 10)

A = 20,550.71

Compounded semiannually (twice per year):

A = P(1 + r)^t

A = 11,000 (1 + 0.063/2)^(2×10)

A = 11,000 (1 + 0.0315)^20

A = 20,453.96

3 0
3 years ago
1 kilometer:3 meter on the map. The distance from the school to the park is 4 meters on the map how many actual kilometers is it
Neporo4naja [7]

Answer:

4 km

Step-by-step explanation:

1000m:3m = 4000m:12m

8 0
3 years ago
alexandrea and imani each think of a number. alexandras number is 8 more than Imanis number. the sum of two numbers is 50. what
juin [17]
Alexandera=a
imani=i

a is 8 more than i or
a=8+i

the sum of the 2 numbers is 50 or
a+i=50

a=8+i
so subsitute 8+i for a in a+i=50
8+i+i=50
8+2i=50
subtract 8 from both sides
2i=42
divide both sides by 2
i=21

subsiutte into a=8+i

a=8+21
a=29



a=29
i=21
3 0
3 years ago
The volume of a cube is 460cm3.<br> Work out the length of its side rounded to 1 DP.
yaroslaw [1]
The side length is the cube root of 460.

cube root(460) = 460^(1/3)
That's approximately 7.7
7 0
3 years ago
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