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docker41 [41]
3 years ago
14

What is the doubling time?

Mathematics
2 answers:
marusya05 [52]3 years ago
7 0
<span>The doubling time is the period of time required for a quantity to double in size or value. It is applied to population growth, inflation, resource extraction, consumption of goods, compound interest, the volume of malignant tumours, and many other things that tend to grow over time.</span>
belka [17]3 years ago
5 0
Doubling time<span> is the amount of </span>time<span> it takes for a given quantity to </span>double<span> in size or value at a constant growth rate. We can find the </span>doubling time<span> for a population undergoing exponential growth by using the Rule of 70. To do this, we divide 70 by the growth rate (r).


</span>
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A company manufactures 2,000 units of its flagship product in a day. The quality control department takes a random sample of 40
Kisachek [45]

It's 100

Because You multiply the sample proportion to 2000

6 0
3 years ago
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A single tree produces about 2.6 x 10^2 lb of oxygen each year.The Amazon rainforest has about 3.9 x 10^11 trees.About how many
Hitman42 [59]
2.6e2*3.9e11=1.014e+14 pounds of oxygen per year.
4 0
3 years ago
The product of 7 and X is 90. write an equation to represent the statement​
My name is Ann [436]

Answer:

x=90/7

Step-by-step explanation:

7x=90

x=90/7

7 0
3 years ago
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Find the area of these shapes AND explain your method <br> Can some one help me :((
-Dominant- [34]

Answer:

Triangle - 21 units

Trapezoid - 65 units

Step-by-step explanation:

  • Because this triangle and trapezoid are reflections of each other when split in half, remove the highlighted parts to make them a rectangle. When made into a rectangle, you can use the formula length * width to find the area of either shape (trapezoid or triangle).
  • Note you won't be able to do this when solving for the area of ALL trapezoids and triangles.

4 0
3 years ago
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Eddie walks 450.25 feet in 2.5 minutes. Which value is closest to the number of yards Eddie walks in 1 minute?
Anna71 [15]

Eddie walks 60.03 yards in 1 minute using proportion.

What is proportion?

The term proportionality refers to any relationship that has the same ratio every time. The proportional relationship between the two supplied ratios is defined by an equation. In other terms, the proportion declares that the two fractions or ratios are equal. For instance, the average number of apples per tree determines the proportionality between the quantity of apples in a crop and the number of trees in the orchard.

Here let us take time and distance as proportional values,

=> \frac{distance}{Time}

=> 450.25/2.5 = x/1

=> x = 180.1 feet.

To convert feet to yards divide the length by 3. then

=> 180.1/3=60.03 yards,

Therefore Eddie Walks 60.03 yards in 1 minute.

To learn more about proportion refer the below link

brainly.com/question/19994681

#SPJ1

7 0
1 year ago
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