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Dmitry [639]
3 years ago
12

Which ratio is equal to 27 : 81?

Mathematics
1 answer:
Elena-2011 [213]3 years ago
6 0

Answer:

3:9 u can reduce it again to 1:3

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the original price of a skateboard is 50% the sale price includes 20% discount what is the sale price
ss7ja [257]

Answer:

50 × 0.8 = $40 is the sale price

Step-by-step explanation:

7 0
3 years ago
Which unit rate corresponds to the proportional relationship shown in the graph?
erik [133]
<span>the unit rate corresponds to the proportional relationship shown in the graph is equivalent to the slope of the line. Which can be solve using the formula:</span>
m = ( y1 – y2 )/ ( x1 – x2 )
m = ( 0 – 9 ) / ( 0 – 6)
<span>m = 3/2</span>
3 0
3 years ago
Read 2 more answers
To find out how many wolves lived in the valley, scientists put tracking devices on 68 wolves. Later that month, the scientists
morpeh [17]

Answer:

b. 2,924

Step-by-step explanation:

Write and solve a proportion.

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5 0
3 years ago
You have two cubes that you fill with water to make ice cubes. the first cube has a side length of 3 units. the second cube has
nexus9112 [7]
Please explain more briefly
3 0
3 years ago
Function : y=4 sin(3x)-2
STatiana [176]
So the 4 represents the amplitude of the function. We can also see that because it is a positive number, the graph is even. ⁽⁽The number before the graph type (Sin or Cos) always represents the amplitude. The amplitude is how many units the graph travels up and down from the midline. 
The -2 is the midline. This means that the midline is at -2 on the Y-axis. To find the max and min, you then add the amplitude to find the maximum, and subtract to find the minimum. [-6. 2]
To find the period, you divide 2π by the term in front of x. In this case, it's 3, so we do 2π/3. This cannot be simplified further, but in degrees this equals 120°. This means that, with the question asking for 2 full cycles, that the graph will go through 2 full cycles in 240°

Hope this helps, sorry i couldn't sketch the graph for you
4 0
3 years ago
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