Mathematics High School

True or false ? Is f(x) a function

Answers

Answer 1

yes its a function because its x value only has 1 y value

Answer 2

Answer:

true

Step-by-step explanation:

Related Questions

Write the first 6 terms of the sequence.

an= -n2+6

Please show work

Answers

For the term number which is “n” you substitute for example to find the first term you would do

(-1)(2)+6= 4

For term two replace “n” with 2

(-2)(2)+6= 2

Then you would continue for the rest of the terms

Answer:

Step-by-step explanation:

[tex]a_{n}=-n^2+6\\a_{1}=-1^2+6=5\\a_{2}=-2^2+6=2\\a_{3}=-3^2+6=-3\\a_{4}=-4^2+6=-10\\a_{5}=-5^2+6=-25+6=-19\\a_{6}=-6^2+6=-36+6=-30[/tex]

3 5 5 15 17 20 what is the median

Answers

Answer:

Step-by-step explanation:

So find the middle number or middle two

Then if it’s one number it’s that number

If it’s two add them up and divide

In this case it’s 2:5 and 15

5+15=20

20/2=10

So the median is 10

Answer:

Step-by-step explanation:

Product of a number n and 12 is 96

Answers

Answer:

Step-by-step explanation:

n * 12 = 96

96/12 = 8

==> n = 8

Is 1/7 an irrational number?

Answers

Answer:

Yes

Step-by-step explanation:

1/7 = 0. 142857, where the bar over 142857 indicates a pattern that repeats forever. A real number that cannot be expressed as a quotient of two integers is known as an irrational number.

Solve for the polynomial 2X +4 =8

Answers

First u want to subtract 4 from both sides and do 8-4 so u get 2x=4 and then u divide by 2 on both sides and get x=2.
Hoped this helped.

❤️ Hi

✔️The answer is attached

Byeee.....

Use the DISCRIMINANT of the quadratic equation to determine HOW MANY and what TYPE of solutions it will have.

x2+14x+49=0

Answers

Answer:

Step-by-step explanation:

Sorry to bother you but I am so bad at math plz help

Answers

Answer:

Step-by-step explanation:

Answer

C = 4

Step by Step

Divide both sides by the numeric factor on the left side, then solve.

c = 4

The figure below shows a right pyramid with a square base.
Imagine a cross-section of the pyramid formed by a plane cutting through it that meets these conditions.
• The plane passes through the top vertex of the pyramid.
The plane is perpendicular to the base of the pyramid.
What must be true about the cross section?
o It is a right triangle.
O It is an isosceles triangle.
0 It is an obtuse triangle.
It is an equilateral triangle.

Answers

Answer:

Step-by-step explanation:

On average, employees at a particular company miss 1 day of work per year. That is 75% less than it was historically, back before there were major management changes. What was the average back then?

Answers

Answer:

4 miss days per year

Step-by-step explanation:

Let the previous employees miss days be = x

As given, miss days now are 75% less than previous

x - 75%x = 1/365

0.25x = 1/365

x = 1 / (365 x 0.25)

x = 4/365

So, average back then could have been 4 days per 365 days

Determine the amount of an
investment if $1000 is invested at an
interest rate of 8% for 6 years

Answers

Answer

480

Step-by-step explanation:

Congrats on your first question!

The investment is 480 because

(80 / 100) x 1000 = 80 x 6 = 480

The total is 1480.

find the value of given expression

[tex] \sqrt{23 - ( - 2)} [/tex]

Answers

Answer:

hello

The answer will be 5

Step-by-step explanation:

hope it helps

I need help on some of my math

Answers

Answer:

true

Step-by-step explanation:

i hope this helps :)

Which expression is equal to 13/14

14−13

13−14

14 ÷ 13

13 ÷ 14

Answers

Answer:

Answer: 13÷14 is equal to 13/14

There are 96 raisins and 24 cashews in each package of granola.

What is the unit rate in raisins per cashew?

4

12

20

96

Answers

the answer is 4
96/24 =4
hope this helps

i bought a box of fruit snacks worth $9.98, there are 90 packs of fruit snacks in the box. How much is each pack of fruit snacks worth ? please help

Answers

Answer:

About $0.11

This is because 0.11 is how much money one pack is Worth.

Answer:

Cost of each pack = $0.11

Step-by-step explanation:

Given information,

→ Total cost of the snacks = $9.98

→ Total packs in the box = 90 packs

Now we have to,

→ Find the cost of each pack.

Let us assume that,

→ Cost of each pack = x

Forming the equation,

→ x × 90 = 9.98

Then the value of x will be,

→ x × 90 = 9.98

→ 90x = 9.98

→ x = 9.98 ÷ 90

→ [ x = $0.11 ]

Hence, the value of x is 0.11.

please help due pretty soon.

Answers

Answer:

answer is A

Step-by-step explanation:

the answer the correct answer will be A

Find the area of obtuse triangle ABC when A=41 degrees, a=18cm, and b=22cm.

Answers

Answer:

36 cm²

Step-by-step explanation:

cos A= (`sqrt(b)` + `sqrt(c)` - `sqrt(a)`)/(2bc)

⇒c ≈ 5 cm

Sabc= (1/2)bcsin A ≈ 36 cm²

If a+b=2 find the value of a3+b3+6ab

Answers

Answer:

Step-by-step explanation:

Factor the sum of cubes

a³ + b³ = (a+b)(a² - ab +b²)

= 2a² - 2ab + 2b²

a³ + b³ + 6ab = 2a² + 4ab + 2b²

= 2(a² + 2ab +b²)

= 2(a+b)²

= 8

Cuál es la probabilidad de sacar una canica Roja en una bolsa con( 15 )en total canicas que contiene 2 canicas negras blanco 4 rojas 5 verdes y una amarilla Probabilidad de canicas Negra. Verde. Roja. Amarillo. Blanca

Answers

Answer:

the number four that an option and that it a correction to know if you have any questions

Help pls and thank you! :))

Answers

Answer:

Step-by-step explanation:

4<x because the arrow is going to the right, meaning that the value of x is greater and since the circle is hollow, it is not equal to 4 so that's why is

4<x

Answer:

4 < x

Step-by-step explanation:

Open circle = < and >

Closed Circle = ≤ and ≥

X is greater than 4 because it is going to the right

Suppose there is a 1.1 Fahrenheit drop in temperature for every thousand feet that an airplane climbs into the sky. If the temperature on the ground is 62.2 Fahrenheit, what will be the temperature when the airplane reaches an altitude of 3,000 ft?

Answers

Answer:

yes

Step-by-step explanation:

bcuz

Type the expression that results from the following series of steps:
Start with n, times by 2, then subtract 8.

Answers

Answer:

2n-8

Step-by-step explanation:

I think its 2n-8. but wait till someone else responds

Answer:

2n - 8

Step-by-step explanation:

Students from Shelton Middle are going on a field trip to an amusement park. Those students who have annual passes will pay $10. Other students will pay $35. The school collected $1,375 for 50 students. Which system of linear equations models this situation?

a) 10x + 35y = 50

x + y = 1,375

b) 10x + 35y = 1,375

x + y =50

c) 10x + y = 50

35x + y = 1,375

d) 10x + y = 1,375

x + 35y = 50

Answers

Answer:

Step-by-step explanation:

Write a ratio equivalent to 21/35

Answers

Answer:

3:5

Step-by-step explanation:

Ratio are also fractions, so we can convert the fraction to a ratio like so:

21/35=21:35 now we simplify by dividing by 7 and we get 3:5

HOPE THIS HELPS!!!!!!!!!!!!!!!!!

Bus A travels according to the function y = 125 /2 x where y is distance traveled in miles and x is time in hours. Bus B travels according to the graph below, where the distance y is a function of time x . Which bus travels faster? Include all necessary calculations in your final answer.

Answers

Answer:

Bus B travels faster.

Step-by-step explanation:

The graph of the question in the attached figure

we know that

the linear equation in slope intercept form is equal to

where

m is the slope

b is the y-intercept

x ---> is the time in hours

y ---> is the distance in miles

In this problem we have

Bus A

The slope of the linear equation represent the speed of the bus

The speed of bus A is

Bus B

Find the slope

take two points from the graph

(0,0) and (3,200)

The formula to calculate the slope between two points is equal to

substitute

Compare the slope Bus A with the slope Bus B

therefore

Bus B travels faster.

write an expression for the amount of money repersented by each section of the tape diagram how much money is repersented

Answers

i’m sorry, can you attach the diagram? than i’ll be able to answer you

What is the function of 10

Answers

Answer:

10 is a number.

Step-by-step explanation:

Used in maths and many other areas.

solve for x
in the box below but i dont know how

Answers

Answer:

x=8

Step-by-step explanation:

15/12 = 1.25

1.25x = 10

x = 8

Literally the first thing i saw was Xbox. lol :)

Answer:

Step-by-step explanation:

15/12=10/x

15x=120

x=120/15

x=8

What is the percent of decrease from 6,000 to 600?

Answers

Answer:

Percentage Calculator: What is the percentage increase/decrease from 6000 to 600? = -90.

Step-by-step explanation:

If you guys could help this is urgent!!

Answers

Answer:

Step-by-step explanation:

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