Mathematics College

PLZ HELP!!! BRAINLY GUARANTEED
Which set represents the domain of the function?

{x|x≥3}

{x|x≥−2}

{x|x≥0}

{x|x≥−3}

PLZ HELP!!! BRAINLY GUARANTEEDWhich Set Represents The Domain Of The Function?{x|x3}{x|x2}{x|x0}{x|x3}

Answers

Answer 1
The answer is D) {x|x≥−3}

The x value’s lowest input in -3, and the function goes to the right, meaning it is greater than -3

Related Questions

HELP ASAP!! Which representation shows y as a function of x ?

Answers

Answer:

It is the first answer

Step-by-step explanation:

For it to be considered a function, each x-value can only corresponds (have) one y-value, however, y-values (even if they are the same y-value) can have multiple different x-values.

Which statement is not true about the pattern shown 2/3 , 4/6, 8/12, 16/24 , ...

Answers

They are multiplying by two .

8w < 32 can u guys please help me

Answers

Answer:

w<4

Step-by-step explanation:

divide both sides by 8. no need to flip the sign because 8 is positive

8/8w<32/8

w<4

Answer:

w>4

Step-by-step explanation:

8w<32

8w/8=w

What you do to one side, do to the other.

32/8=4

w<4

Flip the sign because we divided.

w>4 is your answer

what is the answer to (7×10^5)×(3×10^2)

Answers

Answer:

210000000

Step-by-step explanation:

10 points for correct answer and giving brainliest

Answers

Answer:G

G is the correct inequality.

Pls I need help like really bad like ASAP

Answers

Answer:

1/9

Step-by-step explanation:

can you help me? i don’t understand

Answers

angle1 + angle2 = 180

[tex]4x + 20 + x + 20 = 180[/tex]

[tex]5x + 40 = 180[/tex]

[tex]5x = 180 - 40[/tex]

[tex]5x = 140[/tex]

[tex]x = \frac{140}{5} [/tex]

[tex]x = 28[/tex]

One base of a trapezoid is 8 cm longer than the other. The height of the trapezoid is 2 cm longer than the shortest base. If the area is 48 cm2, what are the height and bases?
A. The height is 6 cm, and the bases are 4 cm and 12 cm.
B. The height is 12 cm, and the bases are 10 cm and 18 cm.
C. The height is 4 cm, and the bases are 2 cm and 10 cm.
D. The height is 10 cm, and the bases are 8 cm and 16 cm.

Answers

Answer:

B

Step-by-step explanation:

Let's call the shortest side a. The longest base, b, is 8cm longer than a. The height, h, is 2cm longer than a.

b = a + 8

h = a + 2

A = (a + b)h/2

48 = (a + (a+8))(a+2)/2

     = (2a+8)(a+2)/2

     = (2a^2+12a+16)/2

48 = a^2+6a+8

a^2+6a-40=0

Now, we factor this:

(a + 4)(a - 10)=0

a = -4, 10

a (length) cannot be a negative no. so the only possible answer is a = 10.

b = 10 + 8 = 18

h = 10 + 2 = 12

The answer is B

Hope this helps!

Solve for x and find NM

Answers

Answer:

x = 9, NM = 41

Step-by-step explanation:

Since KL = ML  then the triangle is isosceles and LN is a perpendicular bisector, thus

NM = NK , substitute values

7x - 22 = 3x + 14 ( subtract 3x from both sides )

4x - 22 = 14 ( add 22 to both sides )

4x = 36 ( divide both sides by 4 )

x = 9

Thus

NM = 7x - 22 = 7(9) - 22 = 63 - 22 = 41

2 balloons and 3 cakes cost $26.
4 balloons and 4 cakes cost $40.
What's the cost of 1 balloon?
What's the cost of 1 cake?

Answers

Answer:

The cost of one balloon is 4 dollars

the cost of one cake is 6 dollars

Step-by-step explanation:

The way I did it was by substituting different numbers and seeing if they equaled forty or 26.

my thought process:

1 balloon= 5

1 cake= 10

that doesnt work for 2 balloons and 3 cakes

1 balloon=5

1 cake=5

that works for 4 balloons and 4 cakes but not 2 balloons and 3 cakes

1 balloon=4

1 cake=7

I'm sorry I'm way too tired to finish this 0-0 anyways yeah that's the correct answer :)

PLEASE HELP IM GOING TO FAIL!!!

Answers

Answer:

D.

Step-by-step explanation:

the slope is going up 1 over 2 and the 1 is the y....hope this helps.

Determine the number of acute, obtuse, and right angles in the shape above
​

Answers

Answer:

2 acute, 1 obtuse, 1 right

Rick is taking a 1-mile ride on his bicycle. For each rotation of his tire, he travels 72 inches. How many rotations will his tire make during the 1-mile trip?
O 73 rotations
O 83 rotations
O 780 rotations
O 880 rotations
SHOW YOUR WORK!!!

Answers

Answer:

880 rotations or D

Step-by-step explanation:

72 inches = 72 / 12 = 6 feet

1 mile = 5280 feet

1 rotation covers 6 feet

x rotations covers 5280 feet

1/x = 6/5280                       Cross multiply

6x = 5280 * 1                      Divide by 6

x = 5280 /6

x = 880

D

plz help me this is a final!!!!

Answers

Answer: (a) 13 (b) 1

Step-by-step explanation: The absolute value of -6 is 6. That equal 6 plus 7 which is 13. In the second equation, add -6 and 7 first. That is 1 and the absolute value of 1 is 1.

Answer:

A.13 b.-1

Step-by-step explanation:

a 6+7=13

b 6- -7=-1

The angle measures of a triangle are 2y+3 degrees 9y-7 and 7y+4 degrees what is the value of y

Answers

Answer:

2y+3+9y-7+7y+4=180

2y+9y+7y=180(+7-7)

18y=180

y=180/18

y=10

then

2y+3

2×10+3

20+3

23

9y-7

9×10-7

83

7y+4

7×10+4

74

Find the slope of the line graphed below.

Answers

Answer: 3/2
You use rise/run, so you go up by 3 and to the right by 2.

Answer:

3/2

Step-by-step explanation:

rise over run--->3 up and 2 right, 3/2 is the slope

What do we mean when we say that the k-coloring algorithm discussed in the lectures is "almost" constant-time?

Answers

Answer:

What is meant by K-coloring algorithm to be "almost" constant-time: is that the pattern through which K-coloring algorithm is applied when coloring a graph is "almost" the same every time the algorithm is applied on any graph

Step-by-step explanation:

What is meant by K-coloring algorithm to be "almost" constant-time: is that the pattern through which K-coloring algorithm is applied when coloring a graph is "almost" the same every time the algorithm is applied on any graph. this is because in the use of K-coloring algorithm no adjacent vertices are colored  with the same color and if that happens the  lowest numbered color that has not been colored will be applied i.e. a new color.

The aim of the K-coloring algorithm is to color a graph with the least possible amount of different colors while ensuring that adjacent vertices don't get the same color

A radioactive element has a half-life of 400 years. How much of 100 grams would remain after 40 years?

Answers

Answer: here are all the answers

Answer:

What....

Step-by-step explanation:

what is 21 because what it is

Answers

Answer:

9 +10

Step-by-step explanation:

PLEASE I NEED HELP SHOW WORK ASAP

Answers

Answer:

d

Step-by-step explanation:

Answer: d

Step-by-step explanation:

Imagine being in 8th grade

PLEASE HURRY
Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are dated from 1980 to 2000, and the rest are dated after 2000. How many pennies in Russell’s collection are dated after 2000?

Answers

40% of the pennies are dated after 2000...or there are 500 pennies dated after 2000 hope this helps :) brainliest?

Pls help me I am d$mb...

Answers

Answer:

ur not domb

Step-by-step explanation:

solve for s
1/2 s = 7/2​

Answers

i think it’s
7/2=3.5
3.5/2
=7

Answer:

its 7 thats the answer lol

The yield of strawberry plants depends on the amount of fertilizer fed to the plants. Agricultural research shows that an acre of strawberry plants will yield 630 pounds of strawberries when 70 cubic feet of fertilizer are applied. If 100 cubic of feet of fertilizer are applied, the yield will be 900 pounds of strawberries. Use linear interpolation to estimate the yield if 73 cubic feet of fertilizer are applied.

Answers

Answer:

657 pounds

Step-by-step explanation:

Given

Represent the amount of fertilizer with x and the yield with y.

So, we have:

[tex](x_1,y_1) = (70,630)[/tex]

[tex](x_2,y_2) = (100,900)[/tex]

Required:

Determine the yield (y) when fertilizer (x) is 73ft^3

Using linear interpolation, we have:

[tex]y = y_1 + (x - x_1)\frac{(y_2 - y_1)}{(x_2 - x_1)}[/tex]

Substitute the x and y values using

[tex](x_1,y_1) = (70,630)[/tex] and [tex](x_2,y_2) = (100,900)[/tex];

We have:

[tex]y = y_1 + (x - x_1)\frac{(y_2 - y_1)}{(x_2 - x_1)}[/tex]

[tex]y = 630 + (x - 70)\frac{(900 - 630)}{(100 - 70)}[/tex]

[tex]y = 630 + (x - 70)\frac{270}{30}[/tex]

[tex]y = 630 + (x - 70)*9[/tex]

Open bracket

[tex]y = 630 + 9x - 630[/tex]

[tex]y = 9x - 630+630[/tex]

[tex]y = 9x[/tex]

To solve for y when x = 73.

We simply substitute 73 for x

[tex]y = 9x[/tex]

[tex]y = 9 * 73[/tex]

[tex]y = 657[/tex]

Hence, the yield for 73 cubic feet is 657 pounds

Find the domain and range of the function y = f(x) in the graph

Answers

Answer:

A.

Step-by-step explanation:

Answer:

a. Domain -4 ≤ x ≤ 3, Range 0 ≤ y ≤ 5

General Formulas and Concepts:

Algebra I

Domain is the set of x-values that can be inputted into function f(x) Range is the set of y-values that are outputted by function f(x)

Step-by-step explanation:

According to the graph, we see that our x-values span from -4 to 3. Since both dots are closed dots, they are inclusive in the domain:

[-4, 3] or -4 ≤ x ≤ 3

According to the graph, we see that our y-values span from 0 to 5. Since both dots are closed dots, they are inclusive in the range:

[0, 5] or 0 ≤ y ≤ 5

Evaluate the expression for the given value of the Variable
2x + 17 for x = 3
The expression equals

Answers

Answer:

23

Step-by-step explanation:

Which one should I choose

Answers

Answer:

try x^2   X   6

Step-by-step explanation:

Evaluate each expression
1.
3 – 4x
x = -3

Answers

Answer:

9

Step-by-step explanation:

A new car is purchased for $18,000. Every year after the new car is purchased, it loses 1/3 of its value. Is this an example of exponential growth or exponential decay? Explain your answer based on what you have learned about exponential growth and exponential decay.

no joke answers pls.
reply if you know the answer.

Answers

Answer: Exponential Growth

Step-by-step explanation:

Since this car is being divided, it will only increase it's value, hope this helps, Merry Christmas and have a nice day.

18 000 / (1/3) =

54000


guys I need help with both of the questions

Answers

Part 1: 93.75

Explanation: 75% = 0.75
125 x 0.75 = 93.75

Part 2: 200 total freshman

Explanation: 90 = part
45% = 0.45 = percent
Meaning the whole is missing

90/0.45 = 200



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