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Vesnalui [34]
3 years ago
8

Jessica collect stamps. She has 26 stamps that represent countries and 45 stamps that represent famous people. Write a ratio in

simplest form that represents the number of stamps she has of famous people to the number of stamps she has total
Mathematics
1 answer:
Bingel [31]3 years ago
6 0

Answer:

Step-by-step explanation:

Total number of stamps = 26 + 45 = 71

You can't reduce whatever you put into the numerator because 71 is prime (nothing but itself and 1 divide into it).

Number of stamps of famous people = 45

Ratio = famous people / total

Ratio = 45 /  71

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A bike messenger earns $60 per day plus $12 per delivery. Today the messenger wants to earn at least $204.
kramer

Answer:

72

Step-by-step explanation:

First you do 204 - 60 = 144

Than you do 144 ÷ 2 = 72

Hope this helps!

7 0
3 years ago
Dy/dx= y^4 and y(2)= -1. Y(-1)=
cupoosta [38]

It looks like you're asked to find the value of y(-1) given its implicit derivative,

\dfrac{dy}{dx} = y^4

and with initial condition y(2) = -1.


The differential equation is separable:

\dfrac{dy}{y^4} = dx

Integrate both sides:

\displaystyle \int \frac{dy}{y^4} = \int dx

-\dfrac1{3y^3} = x + C

Solve for y :

\dfrac1{3y^3} = -x + C

3y^3 = \dfrac1{-x+C} = -\dfrac1{x + C}

y^3 = -\dfrac1{3x+C}

y = -\dfrac1{\sqrt[3]{3x+C}}

Use the initial condition to solve for C :

y(2) = -1 \implies -1 = -\dfrac1{\sqrt[3]{3\times2+C}} \implies C = -5

Then the particular solution to the differential equation is

y(x) = -\dfrac1{\sqrt[3]{3x-5}}

and so

y(-1) = -\dfrac1{\sqrt[3]{3\times(-1)-5}} = \boxed{\dfrac12}

6 0
3 years ago
2 more than 5 groups of 3
Anvisha [2.4K]
5*3+2 = 15+2 = 17
The asnwer is 17.
5 0
4 years ago
Explain how you would find 45 x 7/9 mentally.
Novosadov [1.4K]
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3 0
3 years ago
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Delvig [45]
They can only sit one way because they are still in a row
Or did you mean like how many different ways can they sit?
8 0
3 years ago
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