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EastWind [94]
2 years ago
8

a photo that is 4in wide and 6in high enlarged to a poster that is 3ft wide and 4 1/2 ft hugh what is the ratio of the width of

the photo to the width of the poster
Mathematics
2 answers:
salantis [7]2 years ago
6 0
1:9 is the ratio

You can check this by converting the feet to inches and dividing the greatest number by the smaller number.
Sunny_sXe [5.5K]2 years ago
6 0

Answer:

1:9.......is the .......ratio

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While testing a new vaccine, a lab technician noticed that the number of bacteria reduced by half every minute. How long does it
son4ous [18]
To start, find your equation, n=3000(.5)^t, n being your number of bacteria and t being your time. Now plug in 375 for n and solve for t, 375=3000(.5)^t, .125=.5^t, t=log_{.5} .125=3. This means your answer is 3 minutes. To check it, plug it into your equation. n=3000(.5)^t=3000(.125)=375
5 0
3 years ago
What is the distance between point A located at "-412" and point B located at "-217"
dybincka [34]
412-217

195 units

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6 0
2 years ago
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rodikova [14]
The answer is a circle
3 0
2 years ago
32. The price of a box of tarts is $1 cheaper than that of a loaf of bread. If 3 times the price of a
Delvig [45]

Answer: $8.60

Step-by-step explanation:

Let the price of a bread = x

Let the price of a tarts = x - 1

If 3 times the price of a loaf of bread is $29.5 more than half of the price of a box of tarts. This can be represented as:

3 × x = 1/2 × (1 - x) + 29.5

3x = 0.5 - 0.5x + 29.5

3x + 0.5x = 29.5 + 0.5

3.5x = 30

x = 30/3.5

x = 8.6

5 0
3 years ago
Find f(h(-1))<br> 2<br> -9<br> 11<br> -11
kumpel [21]

Answer:

  (d)  -11

Step-by-step explanation:

Each of the functions is evaluated in the usual way: put the number where the variable is in the expression and simplify.

  h(-1) = -2(-1)² -3(-1) +1 = -2 +3 +1 = 2

  f(2) = (2(2) +7)/(2 -3) = 11/-1 = -11

Then f(h(-1)) is ...

  f(h(-1)) = f(2) = -11

5 0
2 years ago
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