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Ahat [919]
3 years ago
8

If you eat one quarter of a pizza and your dog eats one eighth of it what percent is left over

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
5 0
One quarter = 1/4

1/4 + 1/8 = 2/8 + 1/8 = 3/8 was eaten
that means 5/8 is left...

5/8 = 0.625 = 62.5% is left <== 
soldier1979 [14.2K]3 years ago
3 0

Answer:

Go watch a brainpop video about percents and you will get the answer

Step-by-step explanation:

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Anya buys some avocados that cost $1.50 each. What is the total cost of her
Aneli [31]
Answer C
Because it says $1.50 EACH so to get the answer you’ll need to multiply $1.50 with each avocado she buys to get the total cost
5 0
2 years ago
Find the general solution of the following ODE: y' + 1/t y = 3 cos(2t), t &gt; 0.
Margarita [4]

Answer:

y = 3sin2t/2 - 3cos2t/4t + C/t

Step-by-step explanation:

The differential equation y' + 1/t y = 3 cos(2t) is a first order differential equation in the form y'+p(t)y = q(t) with integrating factor I = e^∫p(t)dt

Comparing the standard form with the given differential equation.

p(t) = 1/t and q(t) = 3cos(2t)

I = e^∫1/tdt

I = e^ln(t)

I = t

The general solution for first a first order DE is expressed as;

y×I = ∫q(t)Idt + C where I is the integrating factor and C is the constant of integration.

yt = ∫t(3cos2t)dt

yt = 3∫t(cos2t)dt ...... 1

Integrating ∫t(cos2t)dt using integration by part.

Let u = t, dv = cos2tdt

du/dt = 1; du = dt

v = ∫(cos2t)dt

v = sin2t/2

∫t(cos2t)dt = t(sin2t/2) + ∫(sin2t)/2dt

= tsin2t/2 - cos2t/4 ..... 2

Substituting equation 2 into 1

yt = 3(tsin2t/2 - cos2t/4) + C

Divide through by t

y = 3sin2t/2 - 3cos2t/4t + C/t

Hence the general solution to the ODE is y = 3sin2t/2 - 3cos2t/4t + C/t

3 0
3 years ago
3x+8y=27 4x+3y=13 solve the simultaneous equation
dmitriy555 [2]

Step-by-step explanation:

3x+8y=27

3x=27-8y

x=27-8y/3

4(27-8y/3) + 3y=13

36-32/3y +3y =13

36-23/3y=13

36-13=23/3y

y=3

x=1

4 0
3 years ago
Find the missing side?
weeeeeb [17]

Answer:

Hey there!

Pythagorean Theorem: a^2+b^2=c^2

16+25=c^2

41=c^2

c=6.4

Let me know if this helps :)

6 0
3 years ago
Is a prime number is a number times itself yes it is
Sladkaya [172]

Answer:

yup

Step-by-step explanation:

7 0
3 years ago
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