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sesenic [268]
3 years ago
15

Is this relation a function (1,3) (1, 20) (9, 4)

Mathematics
1 answer:
skad [1K]3 years ago
8 0

Since x=1 produces y=3 and y=20, the relation (1,3),(1,20),(9,4) is not a function.

The relation is not a function.

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I need help with this math problem
Mkey [24]

Step-by-step explanation:

that is just a complicated way to ask, at what values of x is the functional value infinite ? or directly, for what values of x is the denominator of that fraction 0 ?

it is zero, if just one of the 3 factors is 0.

and that would happen for

x = 0

x = -6

x = 1

so, A, D and E are correct.

8 0
2 years ago
At a cost of $200, your club bought 175 frisbees to sell at the pep rally. You plan on selling them for $5 each. Which of the fo
Snowcat [4.5K]

Answer:

Step-by-step explanation:

C=$200

B=175 frisbees to sell

P=$5

$200-175=$25

25/5=$5

the profit is $5 because you're selling the fribees because you'll be gaining

$5 every sell.

and and you have 175 frisbees to sell so 5x175

$875 you'll gain when you sell them all!!

hope this helps. :D

5 0
3 years ago
You wish to purchase a new car and can afford monthly repayments of up to $250 per month. You see a car you like for $12,000 and
White raven [17]

Answer:

Since the finance’s monthly required payment of $304.07 is greater than the $250 monthly that you can afford, this implies that you CANNOT afford to purchase the car on finance.

Step-by-step explanation:

The monthly required payment of the finance can be calculated using the formula for calculating the present value of an ordinary annuity as follows:

PV = M * ((1 - (1 / (1 + r))^n) / r) …………………………………. (1)

Where;

PV = Present value or finance amount = $12,000

M = Finance’s monthly required payment = ?

r = Monthly interest rate = Annual interest rate / 12 = 17.9% / 12 = 0.179 / 12 = 0.0149166666666667

n = number of months = Number of years * 12 = 5 * 12 = 60

Substitute the values into equation (1) and solve for M, we have:

$12,000 = M * ((1 - (1 / (1 + 0.0149166666666667))^60) / 0.0149166666666667)

$12,000 = M * 39.464764662266

M = $12,000 / 39.464764662266 = $304.07

Since the finance’s monthly required payment of $304.07 is greater than the $250 monthly that you can afford, this implies that you CANNOT afford to purchase the car on finance.

4 0
3 years ago
What is the square root of -1​
Bond [772]
It’s the imaginary number i. Remember that rule. Hope this helps
6 0
3 years ago
Read 2 more answers
If (k-6)(k+2)-(k²-20)=2k+6, whatis tge value of k?​
xxMikexx [17]

K=1/3

simplify each bracket, put all numbers on the left hand side, equal it to 0 and solve for k

7 0
2 years ago
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