3 years ago

4x + y > -6 order pair solution

Mathematics

1 answer:

slamgirl [31]3 years ago

6 0

I guess it could be anything? because it says 4 times x + y is GREATER THAN -6

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If you place a cup of 210 degree Fahrenheit coffee on a table in a room that is 68 degrees fareinheit, and ten minutes later, it

Lana71 [14]

Newton's Law of Cooling

Tf=Ts+(Ti-Ts)e^(-kt) where Tf is temp at time t, Ts is temp of surroundings, Ti is temp of object/fluid. So we need to find k first.

200=68+(210-68)e^(-10k)

132=142e^(-10k)

132/142=e^(-10k)

ln(132/142)=-10k

k=-ln(132/142)/10

k≈0.0073 so

T(t)=68+142e^(-0.0073t) so how long until it reaches 180°?

180=68+142e^(-0.0073t)

112=142e^(-0.0073t)

112/142=e^(-0.0073t)

ln(112/142)=-0.0073t

t= -ln(112/142)/(0.0073)

t≈32.51 minutes

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3 years ago

What is the GCF of 32 and 5

Bas_tet [7]

Answer:

You can use a table to find the answer which is 1!

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

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IrinaK [193]

C is the correct answer

6 0

2 years ago

The difference between two number is 3.take the numbers as x and y form a equation?

Dennis_Churaev [7]

The difference between two numbers are $3$ and numbers are $x$ and $y$ so the equation is $x-y=3$

How to find the equation and what is the equation ?

equation, statement of equality between two expressions consisting of variables and/or numbers. In essence, equations are questions, and the development of mathematics has been driven by attempts to find answers to those questions in a systematic way.

if the difference of two numbers are $3$

And one number is $x$ and another is $y$

So we write the equation with operation of subtraction

$x-y=3$

Learn more about the equations here :

brainly.com/question/28048736

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2 years ago

Xis directly proportional to y.

OleMash [197]

X = k x y
21 = k x 3
k = 7
x = 7y

x = 7(10)
x = 70

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3 years ago