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wolverine [178]

2 years ago

7

Hannas soccer team is trying to raise $4048 to travel to a tournament in Florida so they who decided to host a pancake breakfast

each person must pay $23 for the breakfast how many people need to attend to their breakfast in order to raise 4048

1 answer:

garik1379 [7]2 years ago

8 0

You can find the answer by doing 4048 / 23 which is 176.

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A 2 pound bag of wildflower send covers 4 square feet how many of seed it takes to cover 1 square foot

Harlamova29_29 [7]

Answer:

Step-by-step explanation:

2 lb bag to 4 sq ft = 1 lb bag to x sq ft

2 / 4 = 1 / x

cross multiply because this is a proportion

(2)(x) = (1)(4)

2x = 4

x = 4/2

x = 2 <==== so a 1 lb bag covers 2 sq ft

7 0

3 years ago

Solve the given integral equation for LaTeX: y(t)y ( t ). LaTeX: y(t)+9\displaystyle{\int_{0}^{t}e^{9(t-v)}y(v)\, dv}=\sin(3t)y

choli [55]

Looks like the equation is

$y(t)+9\displaystyle\int_0^te^{9(t-v)}y(v)\,\mathrm dv=\sin(3t)$

Differentiating both sides yields the linear ODE,

$y'(t)+9e^{9(t-t)}y(t)=3\cos(3t)$

or

$y'(t)+9y(t)=3\cos(3t)$

Multiply both sides by the integrating factor $e^{9t}$ :

$e^{9t}y'(t)+9e^{9t}y(t)=3e^{9t}\cos(3t)$

$\left(e^{9t}y(t)\right)'=3e^{9t}\cos(3t)$

Integrate both sides, then solve for $y(t)$ :

$e^{9t}y(t)=\dfrac1{10}e^{9t}(\sin(3t)+3\cos(3t))+C$

$y(t)=\dfrac{\sin(3t)+3\cos(3t)}{10}+Ce^{-9t}$

The given answer choices all seem to be missing <em>C</em>, so I suspect you left out an initial condition. But we can find one; let $t=0$ , then the integral vanishes and we're left with $y(0)=0$ . So

$0=\dfrac{0+3}{10}+C\implies C=-\dfrac3{10}$

So the particular solution is

$y(t)=\dfrac{\sin(3t)+3\cos(3t)-3e^{-9t}}{10}$

6 0

2 years ago

Ravi bought a pack of 30 biscuits. He ate a fifth of them on Thursday.He ate a third of the remaining biscuits on Friday How Man

SOVA2 [1]

Answer:

if I'm not mistaking (please correct if I'm wrong) but I think he would have 16 left.

Step-by-step explanation:

you have to divide one-fifth of 30 which would get you 6, then divide one-third of 24 ( because 30 - 6 is 24) then total both fractions to get 14. then finally subtract 14 from 30 to get 16.

4 0

3 years ago

4(h+11)-15<br> The solution

skad [1K]

Answer:

=4h+29

Step-by-step explanation:

I hope this helps you

7 0

3 years ago

After a game, Coach Jones wants to serve punch to the players on her soccer team. She will mix 2 quarts of ginger ale and 1 gall

Zinaida [17]

The answer would be 24 8-ounce cups.

First you would find how many quarts over all she has which is 6, then multiply that by 32(which is the amount of ounces are in a quart), then you would get 192 which you divide by 8 to find the total amount of cups you would have which is 24.

6 0

2 years ago