4 years ago

Which ordered pairs in the form (x, y) are solutions to the equation

Mathematics

1 answer:

GuDViN [60]4 years ago

6 0

All of them are correct except for C. (4,8)

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Last Sunday 1,575 people visited the amusement park.

Ann [662]

Answer:

Adults 882

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Step-by-step explanation:

56% of 1575

56/100*1575

16% of 1575

16/*1575

28% of 1575

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3 years ago

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What is x in x - 4 (x - 3) + 7 = 6 - (x - 4)

WINSTONCH [101]

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3 years ago

Christian buys a 3500 computer using an installment plan that requires 17% down and a 3.7 interest rate how much is his down pay

melamori03 [73]

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Step-by-step explanation:

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3 years ago

Six times a number x and was added to 90 and the result is -42. What is the number

ANTONII [103]

According to the question,

6x + 90 = -42

The value of x.

<h3>Solution:</h3>

6x = -42 + 90

or, x = 48/6

or, x = 8

<h2>Answer:</h2>

The value of x is 8.

6 0

3 years ago

The 3rd term of a geometric sequence is -1/3 and the 8th term is 81. what is the 11th term?

shepuryov [24]

Answer: $t_{11}=-2187$

Step-by-step explanation:

$t_{3}=-1/3$

That is :

$ar^{2} = -1/3$ ................. equation 1

Also

$t_{8}=81$

that is

$ar^{7}=81$ ................. equation 2

divide equation 2 by equation 1 , that is

$\frac{ar^{7}}{ar^{2}} = 81 / -1/3$

$r^{5}=$ $81$ x $-3/1$

$r^{5}= -243$

find the fifth root of both sides

$r = -3$

substitute $r = -3$ , into equation 1 to find a , that is

$a(-3^{2})= -1/3$

$9a = -1/3$

multiply through by 3

$27a = -1$

$a =- 1/27$

To find the 11th term , the formula for the 11th term is given as :

$t_{11}=ar^{10}$

$t_{11}= -1/27(-3^{10})$

$t_{11}=-2187$

6 0

4 years ago