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Keith_Richards [23]
3 years ago
6

Twice a number y is no more than 12.

Mathematics
1 answer:
Drupady [299]3 years ago
7 0
5? 5 times 5 is 10, which is less than 12
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mr sanchez owns a square field. the side lengths are 0.9 kilometers. there are 1980 prairie dog burrows in the field. what is th
nata0808 [166]
Density is the measurement of the amount of mass per unit of volume. 
In this case we should calculate the density of prairie dog burrows on a square field. This is a surface charge density.It is defined as the total amount of units q per km^2.
to calculate<span> the </span>density of prairie dog burrows, we should divide the total number of  prairie dog burrows in the field <span>by the size of the field. Thus,
</span><span>
 </span>prairie dog <span>burrows in square kilometers= number of dog burrows/ size of the field

size of the field=0.9*0.9=900*900=180000m^2
1980/180000</span><span> m^2= 0.011 dog burrows in square meter 
11 dogs in square kilometer</span>
5 0
3 years ago
A crew of highway workers paved 1/5 mile in 1/8 hour. If they work at the same rate, how much will they
Elan Coil [88]

Answer:

The easiest approach is to realise that one hour is 3 times longer than 20 minutes. The longer the time, the more they will pave.

215 of a mile, in 20 minutes, how much in 60 minutes?#

They will pave 3 times more.

215×31=615 of a mile

615=25 of a mile

You could also use the 'unitary method' where you find out how much they pave in ONE minute (divide by 20) and them multiply by 60 to find how much in one hour.

Look at what happens:

215÷20×60

=215×120×603

=215×3 ← exactly the same maths.

=25

6 0
3 years ago
10 added to the difference between t and 8
Eddi Din [679]

Answer:

(t-8)+10

Step-by-step explanation:

6 0
2 years ago
What is 10c-3(5c-1)=2(4c+3)-5c
Eddi Din [679]
10c-15+3-8c-6+5c
7c-18 i think so
4 0
3 years ago
An armount of nitrogen undergoes a physical change and increases its volurme, What can be knoW) about this
Allushta [10]

Answer:

d

Step-by-step explanation:

8 0
3 years ago
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