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3 years ago

252,247,242 Find the 31st term.

Mathematics

2 answers:

Bumek [7]3 years ago

8 0

Answer:

Step-by-step explanation:

those numbers are all 5 apart so 5 x 31 is 155. 252-155 is 97 you could also find the same answer by subtracting 5 from 252 31 times on a calculator which is essentially the same as the above explanation but helps if you dont

know how to multiply

Fiesta28 [93]3 years ago

3 0

Awer:

The correct answer is 97 if you solve using arithmetic progression formula to find the term being asked for.

97 is the answer to this question

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50 POINTS A cell phone company charges a monthly base fee for a phone plan with a limit of 500 text messages. A $0.10 fee is cha

serg [7]

Answer:

y = n +.1x

Step-by-step explanation:

y is the total. x is how much over 500 texts she is. n is her base for 500 texts and less.

8 0

3 years ago

solve this system of linear equations. separate the x- and y- values with a comma. 6x +5y=-19 12x-8y=52

Ymorist [56]

ANSWER

The solution is

(x,y)=(1,-5)

EXPLANATION

The equations are:

1st equation: 6x +5y=-19

2nd equation: 12x-8y=52

Multiply the first equation by 2:

3rd equation: 12x +10y=-38

Subtracy the 2nd equation from the 3rd equations.

12x-12x+10y--8y=-38-52

18y=-90

Divide both sides by 18.

y=-5

Put y=-5 into any of the equations and solve for x.

Preferably, the first equation will do.

6x +5(-5)=-19

6x -25=-19

6x=25-19

6x=6

x=1

The solution is

(x,y)=(1,-5)

8 0

3 years ago

Use the "mixed partials" check to see if the following differential equation is exact. If it is exact find a function F(x,y) who

Arturiano [62]

We have

$(-3xy^2+y)_y=--6xy+1$

and

$(-3x^2y+x)_x=-6xy+1$

so the equation is indeed exact. So we want to find a function $F(x,y)=C$ such that

$F_x=-3xy^2+y$

$F_y=-3x^2y+x$

Integrating both sides of the first equation wrt $x$ gives

$F(x,y)=-\dfrac32x^2y^2+xy+f(y)$

Differentiating both sides wrt $y$ gives

$F_y=-3x^2y+x=-3x^2y+x+f_y\implies f_y=0\implies f(y)=C$

So we have

$F(x,y)=-\dfrac32x^2y^2+xy+C=C$

$F(x,y)=\boxed{-\dfrac32x^2y^2+xy=C}$

3 0

4 years ago

Whats The Answer To This Question ?

mamaluj [8]

Answer:

c. 7.527

Step-by-step explanation:

We know that 78 percent of the bar is gold and the total weight is 9.65 ounces. Just multiply the total weight by 78%.

9.65(0.78)=7.527

7 0

3 years ago

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jarptica [38.1K]

Answer:

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Step-by-step explanation:

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3 years ago