Identify the domain for the following ordered pairs: (3, 5) (-2, 4) (5, 5) (-1, 1).A. (5, 4, 5, 1)
B. (-5, -4, -5, -1)
C. (3, -2, 5, -1)
D. (-3, 2, -5, 1)

Answers

Answer 1

Answer: Domain is the x value's
to get your answer, get all the x - values
i.e
(3, -2, 5, -1)
So, You're correct option is C.

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(Sorry for the spam, making sure these are right) One zero of the polynomial function f(x)=x^3-9x^2+20x is x=0. What are the polynomial function? Choices:

Answers

Replace f(x) with 0 and solve for x. We do this because the x intercepts always occur when y = 0. Keep in mind that y = f(x).

f(x)=x^3-9x^2+20x

0=x^3-9x^2+20x

x^3-9x^2+20x = 0

x(x^2-9x+20) = 0 .... factor out GCF x

x(x-5)(x-4) = 0 ... factor the stuff inside

x = 0 or x-5 = 0 or x-4 = 0 ... zero product property

x = 0 or x = 5 or x = 4

The roots or zeros are 0, 5, 4

Answer: Choice D

A pair of sneakers regularly costs $113.95 and they are on sale for 10% off. Which of the following is the best estimate for the cost of the sneakers after the discount?

Answers

Given:
Original price : $113.95
Sales discount rate: 10%

Value of Sales discount

$113.95 * 10% = $11.395 rounded to $11.40

Discounted Price:

$113.95 - 11.40 = $102.55

If you triple 4 and subtract 2 each day how many days until you have zero

Answers

If you triple 4 you get 12, subtract 2 every day and in 6 days you will get to 0.

4 x 3 = 12
12 - 2 x 6 = 0

It takes 3 days until the value becomes zero when you triple 4 and subtract 2 each day.

Let "d" be the number of days, and "x" be the value at the end of each day.

On the first day, "x" starts at 4, and then it's reduced by 2 each day. So, the value at the end of each day can be represented as:

Day 1: x = 4

Day 2: x = 4 - 2 = 2

Day 3: x = 2 - 2 = 0

As we can see, on Day 3, the value becomes zero.

Therefore, it takes 3 days until the value becomes zero when you triple 4 and subtract 2 each day.

To know more about zero:

brainly.com/question/383421

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a vending machine sells chips at $0.40 and candy at $0.50. Last month, the vending machine yielded $152.80 with a sale of 328 items. how many packages of chips were purchased last month

Answers

112 bags of chips

The solution to the system of equations gives 112 chips and 216 candy.
The equations to solve are

x + y = 328
.40x + .50 y = 152.80

(x = the number of chips and y = the number of candy)

x = 40 cents bags, y = 50 cent bags

x + y = 328...x = 328 - y
0.40x + 0.50y = 152.80

0.40(328 - y) + 0.50y = 152.80
131.20 - 0.40y + 0.50y = 152.80
-0.40y + 0.50y = 152.80 - 131.20
0.10y = 21.60
y = 21.60/0.10
y = 216 <=== total 50 cents bags sold

x + y = 328
x + 216 = 328
x = 328 - 216
x = 112 <=== total 40 cents bags sold

74 3/5 + 19 2/3 = Please Explain

Answers

Ok 74 $(3)/(5)$
So 19 $(2)/(3)$

= 373/5 + 59/3

= ((373 × 3) + (59 × 5)) / (5 × 3)

= (1119 + 295) / 15

= 1414/15

= 1414/15

= 94 4/15

74 3/5 + 19 2/3
74+19= 93
for 3/5+2/3 we need a common denominator which in this case would be 15 (the product of the two already existing denominators)
3x3=9 (the 3s are first numerator and the second denominator) so the first fraction is 9/15
5x2=10 (the first denominator and the second numerator) so the second fraction would be 10/15
9+10=19 (the numerators in both fractions) so it's 19/15 which we convert to a mixed numeral which is 1 4/15
93+1 4/15=94 4/15

hope this helps :)

16/4 x 11/5

what is this answer ?