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Maurinko [17]
4 years ago
10

Three is added to a number, and then the sum is multiplied by 4. The result is 16. Find the number

Mathematics
1 answer:
xenn [34]4 years ago
5 0
I hope this helps.The number is 1.
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Calculate the sum of the infinite series 98+84+72+432/7+...
bogdanovich [222]
ANSWER

S_\infty= 686


EXPLANATION

The given infinite series is

98 + 84 + 72 +  \frac{432}{7}  + ...

The sum to infinity of this series is given by the formula,

S_\infty= \frac{a_1}{1 - r}

where the first term of this infinite geometric series is

a_1 = 98


and the common ratio is
r =  \frac{a_2}{a_1}


r =  \frac{72}{98}  =  \frac{6}{7}


We substitute these values to obtain,


S_\infty= \frac{98}{1 -  \frac{6}{7} }

We simplify the denominator to get,


S_\infty= \frac{98}{\frac{1}{7} }


This simplifies to

S_\infty= 98 \times 7 = 686
6 0
3 years ago
Read 2 more answers
I’m having trouble on my last one
Nadya [2.5K]

Answer: 52

Step-by-step explanation:

First, divide 13 by the total amount of shows, 19. Then, divide 76 by 19. This results in 4, which when multiplied by 13, results in 52. To check the answer just divide 52/76 and you should get the same number as with 13/19.

7 0
3 years ago
HELP PLEASE Which equation represents a line which is perpendicular to the line y=-2x-3
sukhopar [10]

Answer:

y=-1/2x-3

Step-by-step explanation:

6 0
3 years ago
A pair of linear equations is shown:
Murljashka [212]

Answer:

C. Graph the first equation, which has slope = −2 and y-intercept = 3, graph the second equation, which has slope = −4 and y-intercept = −1, and find the point of intersection of the two lines.

Step-by-step explanation:

The two equations are in slope intercept form which is y = mx + b where m is the slope and b is the y-intercept.

In the first equation (y = -2x + 3), -2 is the slope since it is the coefficient. "b" is 3 since it is the constant of the equation.

In the second equation (y = -4x -1), -4 is the slope is the coefficient, and the y-intercept is -1 since it is the constant.

To solve the equations graphically, graph them and find the point where they intersect.

3 0
3 years ago
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The fair market rental for Bloomington is $747 and for Kokomo is $654. Find the relative change from Bloomington to Kokomo
saul85 [17]
I think it's 1401 hope this helps :)
4 0
4 years ago
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