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Anna007 [38]
3 years ago
12

Last year, 150 students used tablet computers at Luz's school.

Mathematics
2 answers:
vfiekz [6]3 years ago
8 0

Answer:

210 students

Step-by-step explanation:

An increase of 40% means, 100+40 = 140% of the previous value

140% of 150

140/100 × 150

210

Alinara [238K]3 years ago
7 0

Answer:

210

Step-by-step explanation:

Take the number and find 40%

150 * 40%

150*.40 = 60

Add this to the original number since it increase by 40%

150 +60 = 210

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help finding the perimter of 78.4 inches whats the length of each side and show me how to work the promblem
LuckyWell [14K]
A square has four even sides and the perimeter is equal to the sum of all of the sides.
P=s+s+s+s=4s
So we can evaluate the equation for P and then solve for s.
78.4=4s \\  \frac{78.4}{4} =s \\ s=19.6in
6 0
3 years ago
A cone has a height of 4 in and a radius of 6 in. What is the volume of the cone?
MatroZZZ [7]

Answer:

48π in³

Step-by-step explanation:

V=\frac{1}{3} \pi r^2h

Plug in the radius 6 in and the height 4 in

V=\frac{1}{3} \pi (6)^2(4)\\V=\frac{1}{3} \pi (36)(4)\\V=\frac{1}{3} \pi (144)\\V=48\pi

Therefore, the volume of the cone is 48π in³.

I hope this helps!

3 0
2 years ago
A new LED light bulb uses 10 watts of power. Since energy = power × time , then the energy used for this light bulb can be found
sergiy2304 [10]

9514 1404 393

Answer:

  150 Wh

Step-by-step explanation:

We know the energy per bulb is 10 Wh per hour, so the total energy used by 3 bulbs in 5 hours is ...

  (10 Wh/(bulb·hour))×(3 bulbs)×(5 hours) = 10·3·5 Wh = 150 Wh

5 0
3 years ago
Find the range. 3 –9 7 –1 5 –4 2
grin007 [14]
Put in order from smallest to largest
–9, –4, –1, 2, 3, 5, 7

Minimum = –9<span>
Maximum = 7

</span>Range = 7 - (-9) = 7 + 9 = 16

Range = the difference between the maximum and minimum data values 

hope it helps
7 0
3 years ago
What h(10) means in the context of the real-world scenario, and how to find its value.
Nataliya [291]
the answer is the fraction of the number of line is a whole number an integer number
3 0
3 years ago
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