3 years ago

Which relation is not a function?

Mathematics

1 answer:

avanturin [10]3 years ago

5 0

For it to be a function none of the x values can repeat.

In D. the x value nine repeats.

Therefore the answer is D.

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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

Solve the equation 88,405 x 54 = ___. (4 points) a 4,420,250 b 4,597,060 c 4,685,465 d 4,773,870

andrey2020 [161]

Answer:

Step-by-step explanation:

the correct answer is D) 4,773,870

4 0

3 years ago

Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins. Is the amount Mrs. Kloske and Mrs. Shelly paid equival

kobusy [5.1K]

Answer:

yes they both paid $0.5 per muffin

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

True or false plz help

sergey [27]

Answer:

<h3>I THINK ITS FALSE</h3>

Step-by-step explanation:

BECAUSE ITS WRONG

8 0

3 years ago

Read 2 more answers

If |x| = 6 then x = -6 or

Keith_Richards [23]

The integers 6 and -6 both have the absolute value of 6.
Remember that absolute value is the distance from the number and 0 on a number line.

Final answer: x=-6 or x=6

7 0

4 years ago