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3 years ago

30 boxes of melons and 4 melons in each bag . Each bag holds two melons. How melons are there in the store.

Mathematics

1 answer:

SVEN [57.7K]3 years ago

8 0

The answer is the store has 240 melons.
(30x4)x2=240

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5 + a < 5 true or false

Irina-Kira [14]

Answer:false

Step-by-step explanation:

3 0

3 years ago

Sila jogged 12 kilometers today and wants to know how far she traveled in feet. What error did Sila make while converting from k

ozzi

Answer:

umm i'm not rly sure what's going on here...but here's how i'd do it

Step-by-step explanation:

3280.84x12=39370.08 which is about 3,9370 feet.

to double check let's do an algebraic expression

1/3280.84=x/12 cross multiply

x(1)=3280.84(12) simplify

x=39370.08

hope that helped.

8 0

3 years ago

Answer Choices:

algol [13]

The best answer to go with is b

5 0

3 years ago

(15 pts) 4. Find the solution of the following initial value problem: y"-10y'+25y = 0 with y(0) = 3 and y'(0) = 13

jolli1 [7]

Answer:

$y(x)=3e^{5x}-2xe^{5x}$

Step-by-step explanation:

The given differential equation is $y''-10y'+25y=0$

The characteristics equation is given by

$r^2-10r+25=0$

Finding the values of r

$r^2-5r-5r+25=0\\\\r(r-5)-5(r-5)=0\\\\(r-5)(r-5)=0\\\\r_{1,2}=5$

We got a repeated roots. Hence, the solution of the differential equation is given by

$y(x)=c_1e^{5x}+c_2xe^{5x}...(i)$

On differentiating, we get

$y'(x)=5c_1e^{5x}+5c_2xe^{5x}+c_2e^{5x}...(ii)$

Apply the initial condition y (0)= 3 in equation (i)

$3=c_1e^{0}+0\\\\c_1=3$

Now, apply the initial condition y' (0)= 13 in equation (ii)

$13=5(3)e^{0}+0+c_2e^{0}\\\\13=15+c_2\\\\c_2=-2$

Therefore, the solution of the differential equation is

$y(x)=3e^{5x}-2xe^{5x}$

5 0

3 years ago

Is the student correct?

Pachacha [2.7K]

Yes the student is correct

6 0

3 years ago