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Fed [463]
3 years ago
6

5. Jake ordered a pizza with a 14 inch diameter. He wants to add more cheese on the

Mathematics
1 answer:
Naily [24]3 years ago
3 0

Answer:

A=πr^2

=3.142×(0.168)^2

=3.142×0.028224

=0.088679808

=0.0887m^2

or

=8.87×10^-2m^2

Step-by-step explanation:

This question is asking the area on which has to add more cheese. A pizza usually has the shape of a circle and the are of a circle is πr^2 . You'd have to multiply the value of π by the radius of the pizza (7 inches=0.168 metres)

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Nicole has $120. if she saves $20 per week, in how many days will she have $500?
ElenaW [278]
500= 120+20x, where x is weeks

Subtract 120 from both sides
380=20x

Divide both sides by 20
19=x

19 weeks*7 days per week= 133 days

Final answer: 133 days
4 0
3 years ago
Read 2 more answers
The differential equation y′′=0 has one of the following two parameter families as its general solution: yyyy=C1ex+C2e−x=C1cos(x
svet-max [94.6K]

Answer:

y_c = 2 + 10*x

Step-by-step explanation:

Given:

                                                y'' = 0

Find:

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Solution:

- Assuming a solution y = Ce^(mt)

So,                                y' = C*me^(mt)

                                    y'' = C*m^2e^(mt)

- Back substitute into given ODE, we get:

                                    y'' = C*m^2e^(mt) = 0

                                    e^(mt) can not be equal to zero

- Hence,                       m^2 = 0

                                     m = 0 , 0 - (repeated roots)

- The complimentary function for repeated roots is:

                                    y_c = (C1 + C2*x)*e^(m*t)

                                    y_c = C1 + C2*x  

- Evaluate @ y(0) = 2

                                    2 = C1 + C2*0

                                    C1 = 2

-Evaluate @ y'(0) = 10

                                    y'(t) = C2 = 10

Hence,                         y_c = 2 + 10*x

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3 years ago
Giving brainlist to whoever answers
SpyIntel [72]

Answer:

144m2

Step-by-step explanation:

I think very carefully on my brain is it cirrect?

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lidiya [134]
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