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diamong [38]
3 years ago
13

Write the number in expanded notation 309,439

Mathematics
1 answer:
irinina [24]3 years ago
5 0

It would be 45. Hope this helps!


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If f (n)= - 3n + 2, what is the value of f(12) ?
Gemiola [76]

f (n)= - 3n + 2

f(12) =-3(12)+2

= -36+2

= -34

3 0
3 years ago
Read 2 more answers
You can get a quart bottle of cola for $1.50 or a liter bottle for $1.57. Which is the better buy in terms of price per volume?
pochemuha

Answer:

The quart bottle of cola for $1.50 is the better buy.

Step-by-step explanation:

In order to compare the amount of cola per cost, you need to first use the same measurements.  Since one bottle is a quart and one bottle is a liter, we need to convert one to the other.  There are approximately 1.06 quarts per liter.  So, for the quart bottle, we can also say it has 1.06 liters of cola.  To find the price per volume, we take the cost divided by the volume:  1.50 ÷ 1.06 = $1.42.  The liter bottle costs $1.57.  So, the quart bottle would be cheaper overall by approximately $0.15.  

5 0
3 years ago
8x+9y=60 2x-9y=-30 elimation method
OLEGan [10]

Answer:

x=3 y=4

Step-by-step explanation:

8x+9y=60 + 2x-9y=-30

10x=30

x=3

y=4

8 0
2 years ago
Two random samples of 25 people were asked how many 12-ounce cans of soda they consume each week. The first sample contained bot
bija089 [108]

Answer:

One inference that can be made is that the age group of 12-19 consume more sodas than the age group of 20-39.

Step-by-step explanation: ok sooooo

4 0
2 years ago
1.Suppose f(x)=6x^2+2x-7 and g(x)=4x-3.Find Each Of The Following Function.
marysya [2.9K]

(1)

(f+g)(x) = 6x^2+2x-7+4x-3=6x^2+6x-10

(f-g)(x)=6x^2+2x-7-4x+3 = 6x^2-2x-4

(2)

(f+g)(x)=2x-3x+1-2x=-3x+1

(f-g)(x)=2x-3x-1+2x=x-1

6 0
3 years ago
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