3 years ago

Use numbers to explain the pattern you see when you count forward by tens

Mathematics

1 answer:

-BARSIC- [3]3 years ago

5 0

It goes up by ten each time.

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1) In one month a furniture store sold 630 plastic chairs, 273 wooden chairs and 286 metal chairs.

Brrunno [24]

Answer:

1,183

Step-by-step explanation:

first you do 630 and add 273 you should get 903 then add 286 to that and you get 1,183

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2 years ago

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Erica went shopping for new clothes for school. She bought a pair of jeans for $70.19 and several shirts for $8.63 each. If x re

aniked [119]

It's at least y=$8.63x+$70.19

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3 years ago

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How many matches are needed to form figure number 9 and 17? explain

saveliy_v [14]

Answer:

Please find the complete question in the attached file.

Step-by-step explanation:

For point 1:

At this point we make up triangles for the first one makes up by 3 matches figure 2 make up by 5 matches figure 3 makes up by 7 matches.

For point 2:

$4 \ \ 5\ \ 6\ \ 7\ \ 8$ you can try to

$9 \ \ 11\ \ 13 \ \ 15 \ \ 17$ draw to find values

For point 3:

number of matches $= 1+2 \times \ figure\ number\\\\$

For point 4:

$1+2 \times 9=19 \ \ (use \ law \ of\ (iii)) \\\\1+2 \times 17=35$

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3 years ago

4> Solve by using Laplace transform: y'+5y'+4y=0; y(0)=3 y'(o)=o

harina [27]

Answer:

$y=3e^{-4t}$

Step-by-step explanation:

$y''+5y'+4y=0$

Applying the Laplace transform:

$\mathcal{L}[y'']+5\mathcal{L}[y']+4\mathcal{L}[y']=0$

With the formulas:

$\mathcal{L}[y'']=s^2\mathcal{L}[y]-y(0)s-y'(0)$

$\mathcal{L}[y']=s\mathcal{L}[y]-y(0)$

$\mathcal{L}[x]=L$

$s^2L-3s+5sL-3+4L=0$

Solving for $L$

$L(s^2+5s+4)=3s+3$

$L=\frac{3s+3}{s^2+5s+4}$

$L=\frac{3(s+1)}{(s+1)(s+4)}$

$L=\frac3{s+4}$

Apply the inverse Laplace transform with this formula:

$\mathcal{L}^{-1}[\frac1{s-a}]=e^{at}$

$y=3\mathcal{L}^{-1}[\frac1{s+4}]=3e^{-4t}$

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2 years ago

The cost to rent a bike is $8 per hour plus a 24$ flat fee if your final bill was $48 how many hours did you rent a scooter for?

Luda [366]

The scooter was rented for 3 hours

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3 years ago

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