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anygoal [31]
3 years ago
15

One ratio you could use for converting units is

Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0

Answer:

true

Step-by-step explanation:

The international system of measures established for units that have to do with weight the standard measure would be in grams, to express larger units to avoid very long numbers it was established that one kilogram equals 1000g, so the ratio between them is 1000 .

to convert from grams to kilograms we divide by 1000.

to convert kilograms to grams multiply by 1000

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Help pls! if f(x) =6x-4, evaluate f(x)/-4 for x=8
irga5000 [103]
So first of all you need to plug in the x=8 into both equations which will make  the first equation be equals to 44 than plug in the x into the second equation and you will get 4 over -1 so in my opinion it should be b=44
5 0
3 years ago
30% of what number is 275
Kipish [7]

Answer:

around 917

Step-by-step explanation:

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4. Entomologists introduce 20 of one
Lina20 [59]

Answer:

This number can be found using the Rule of 70, which describes the formula dt = 70 / r, where dt is the doubling time, and r is the annual rate of growth.

Step-by-step explanation:

24/6 = 4

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20 ---> 320 in the first day.

Keep doing this equation. Multiply each day's end result by 2 four times for 9 more days.

8 0
3 years ago
Joshua is 1.45 meters tall. At 2 p.m., he measures the length of a tree's shadow to be 31.65 meters. He stands 26.2 meters away
Lena [83]

Answer:

The height of the tree=8.42 m

Step-by-step explanation:

We are given that

Height of Joshua, h=1.45 m

Length of tree's shadow, L=31.65 m

Distance between tree and Joshua=26.2 m

We have to find the height of the tree.

BC=26.2 m

BD=31.65m

CD=BD-BC

CD=31.65-26.2=5.45 m

EC=1.45 m

All right triangles are similar .When two triangles are similar then the ratio of their corresponding sides are equal.

\triangle ABD\sim \triangle ECD

\frac{AB}{EC}=\frac{BD}{CD}

Substitute the values

\frac{AB}{1.45}=\frac{31.65}{5.45}

AB=\frac{31.65\times 1.45}{5.45}

AB=8.42m

Hence, the height of the tree=8.42 m

6 0
3 years ago
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