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Katen [24]
3 years ago
13

2 : 3 = .... : 9 ? 5 : 10 = 20 : ...? 1 : 3 = 8 : 24 ......? 4 : 3 = 16 : 2 ....?

Mathematics
2 answers:
alekssr [168]3 years ago
7 0

Step-by-step explanation:

first one is 6:9

second is 20:40

sorry I'm not sure about the others!

klio [65]3 years ago
7 0

Answer:

six

40

72

12

Step-by-step explanation:

9/3=3 so then do 2x3= six

20/5=4 so then do 4x10= 40

24/1= 24 so then do 24x3= 72

sixteen/4= 4 so then do 3x4= 12

Hope this helps mark me brainiest and leave a thanks please

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A population of butterflies grows in such a way that each generation is simply 1.5 times the previous generation. There were 350
kap26 [50]

Answer:

378.5 or just 378

Step-by-step explanation:

This is a linear model with x representing the number of generations that's gone by, y is the number of butterflies after x number of generations has gone by, and the 350 represents the number of butterflies initially (before any time has gone by.  When x = 0, y = 350 so that's the y-intercept of our equation.)

The form for a linear equation is y = mx + b, where m is the rate of change and b is the y-intercept, the initial amount when x = 0.

Our rate of change is 1.5 and the initial amount of butterflies is 350, so filling in the equation we get a model of y = 1.5x + 350.

If we want y when x = 19, plug 19 in for x and solve for y:

y = 1.5(19) + 350

y = 378.5

Since we can't have .5 of a butterfly we will round down to 378

7 0
3 years ago
What is the 5% of 300
garik1379 [7]
15
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That's all
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