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xenn [34]
3 years ago
11

Please help with this

Mathematics
2 answers:
fenix001 [56]3 years ago
8 0

Answer:

seconds one

Step-by-step explanation:

its thr second answer

kobusy [5.1K]3 years ago
3 0
It’s the second one
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A= 1/2 x 9/2 x 7/2<br><br> Multiply. A= ?/8
ivann1987 [24]
The answer is : 63/8
3 0
3 years ago
An aquarium has a base in the shape of a trapezoid. The base is 100
Nat2105 [25]

Answer:

Volume = 210L

Step-by-step explanation:

Given

Base:

Front = 100cm

Back = 50cm

Width = 40cm

Height = 70cm

Required

Determine the volume (in litres)

First, we need to calculate the area;

Base on the parameters given, we have:

Area = \frac{1}{2}(Front + Back) * Width

Area = \frac{1}{2}(100cm + 50cm) * 40cm

Area = \frac{1}{2}(150cm) * 40cm

Area = 75cm * 40cm

Area = 3000cm^2

Volume = Area * Height

Volume = 3000cm^2 * 70cm

Volume = 210000cm^3

1cm^3 = 0.001L

So:

Volume = 210000 * 0.001L

Volume = 210L

4 0
4 years ago
5(-6+4) distributive
Masteriza [31]

Answer:

-10

Step-by-step explanation:

5*-6=-30

5*4=20

-30+20=-10

8 0
4 years ago
Read 2 more answers
DJ Davon is making a playlist for work; he is trying to decide what 12 songs to play and in what order they should be played. If
Marta_Voda [28]

Answer:

3.63 * 10^19

Step-by-step explanation:

Given that :

Number of choices to select = 12

Category available :

Blues - 14

Country - 25

Disco - 21

To select an equal number of song for each category ; then 4 songs will be selected from each :

Using combination :

(14C4 * 25C4 * 21C4)

Since the order matters for the 12 selected songs ; it thus requires 12 permutation

Thus ;

(14C4 * 25C4 * 21C4) * 12!

nCr = n! / (n-r)!r!

Using calculator;

14C4 = 1001 ;

25C4 = 12650

21C4 = 5985

12! = 479001600

Hence,

(1001 * 12650 * 5985) * 479001600

= 36301596217286400000

=3.63 * 10^19

5 0
3 years ago
A vehicle travels a distance of 5t^4-10t^2+6 miles in t+2 minutes. What is the vehicles speed in miles/minutes?
8090 [49]

Answer: \left(5t^4-10t^2+6\right)\cdot \:l\cdot \:e^2\cdot \:i^2\cdot \:n\cdot \:t\cdot \left(t+2\right)\cdot \:s^2\cdot \:u

~Maybe so I'm not sure!~

I'm Vietnamese, I don't think I'll be right

4 0
3 years ago
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