Mathematics High School

For each representation below, decide if it is a function. justify your answer. ( I literally don’t understand this please help, THANK YOU!:)

Answers

Answer 1

Answer:The Answer is Answer is B

Related Questions

What is equivalent to ³√27a³b⁷

Answers

Answer:uu

Step-by-step explanation:

Your class of 32 students is divided into fourths to create groups to answer a set of questions together Testigo to the front of the classroom and read off the groups answers how many students go to the classroom classroom. A) 2. B) 4. C) 6. D) 8.

Answers

Answer: D

Step-by-step explanation: 32 divided by 4 = 8

It is estimated % of all adults in United States invest in stocks and that % of U.S. adults have investments in fixed income instruments (savings accounts, bonds, etc.). It is also estimated that % of U.S. adults have investments in both stocks and fixed income instruments. (a) What is the probability that a randomly chosen stock investor also invests in fixed income instruments? Round your answer to decimal places. (b) What is the probability that a randomly chosen U.S. adult invests in stocks, given that s/he invests in fixed income instruments?

Answers

Complete question :

It is estimated 28% of all adults in United States invest in stocks and that 85% of U.S. adults have investments in fixed income instruments (savings accounts, bonds, etc.). It is also estimated that 26% of U.S. adults have investments in both stocks and fixed income instruments. (a) What is the probability that a randomly chosen stock investor also invests in fixed income instruments? Round your answer to decimal places. (b) What is the probability that a randomly chosen U.S. adult invests in stocks, given that s/he invests in fixed income instruments?

Answer:

0.929 ; 0.306

Step-by-step explanation:

Using the information:

P(stock) = P(s) = 28% = 0.28

P(fixed income) = P(f) = 0.85

P(stock and fixed income) = p(SnF) = 26%

a) What is the probability that a randomly chosen stock investor also invests in fixed income instruments? Round your answer to decimal places.

P(F|S) = p(FnS) / p(s)

= 0.26 / 0.28

= 0.9285

= 0.929

(b) What is the probability that a randomly chosen U.S. adult invests in stocks, given that s/he invests in fixed income instruments?

P(s|f) = p(SnF) / p(f)

P(S|F) = 0.26 / 0.85 = 0.3058823

P(S¦F) = 0.306 (to 3 decimal places)

A jar contains chocolate chip cookies and Anzac
biscuits. If Jim makes a selection at random from the
jar, he has a probability of selecting an Anzac
biscuit. If there are 10 chocolate chip cookies, how
many Anzac biscuits are there?

Answers

Answer:

0.20

Step-by-step explanation:

there are 4 + 6 + 10 = 20 biscuits in the jar

probability of picking a chocolate chip biscuit = 4/20 = 1/5 = 0.20

what makes this statment true 9^-2=?
a)81
b)18
c)1/81
d)-1/81

Answers

The answer to this statement is c

IN
19. 5x + 7 < 2x + 1
How to solve

Answers

Answer:

x < - 2

Step-by-step explanation:

Step 1:

5x + 7 < 2x + 1 Equation

Step 2:

3x + 7 < 1 Subtract 2x on both sides

Step 3:

3x < - 6 Subtract 7 on both sides

Step 4:

x < - 6 ÷ 3 Divide

Answer:

x < - 2

Hope This Helps :)

(3x 2)*7* _ x 12 x 7)

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3528x^3

when you look it up remove the bar at the bottom or its weird right?

Please help I have no clue how to do this

Answers

Answer:

Step-by-step explanation:

The Correct Answer Is D, You Will Estimate All Of Your Answers Up, And One Down.

Yall already know im stuck again will mark brainlyest

Answers

Answer:

1. 16

2. 1

3. 1

4. 4

5. 2

6. 8

7. 1

8. 9

9. 90

10. 10

Step-by-step explanation:

What is the measure of

Answers

Answer:

∠ RST = 72°

Step-by-step explanation:

∠ RST and 4x - 24 are alternate exterior angles and congruent, thus

4x - 24 = 3x ( subtract 3x from both sides )

x - 24 = 0 ( add 24 to both sides )

x = 24

Thus

∠ RST = 3x = 3 × 24 = 72°

please help me and show all work 30 points
5x-(3x-6)=18

2(3x-4)=10

2x+7=5x+16

Answers

Answer:

5x-3x-6=18

2x=18+6

2x=24

x=24÷2

x=12

plz help
What is the solution set for the inequality

2x + 5 ≥ 15

Answers

Answer:

[tex]x\geq 5[/tex]

Step-by-step explanation:

Answer:

X [tex]\geq[/tex] 5

The runners on a cross country team need to buy bottles of water for their next meet. Each runner will buy four bottles, and the coach will buy extra bottles. Which equation best describes the total number of bottles, b, the runners and coach will buy in terms of n, the number of runners on the team?

Answers

Answer:

b = n + n

Step-by-step explanation:

If someone answers I'll give them brainliest but pls help me

Answers

Answer: She forgot to change the mixed number into a fraction.

Step-by-step explanation:

Is -20 solution x/-10=2?

Answers

Answer:

Yes

Step-by-step explanation:

Multiply -10 on both sides so x=-20

To solve -3 = -19 + , what steps would you use? 19 5

Answers

Answer:

add divide

Step-by-step explanation:

Answer:

add divide

Step-by-step explanation:

is the answer infinite, zero, or indefinite
2x - 1 = 1 - 2x

Answers

Answer:

x = 1/2

General Formulas and Concepts:

Pre-Algebra

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of Equality

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

Identify

2x - 1 = 1 - 2x

Step 2: Solve for x

[Addition Property of Equality] Add 2x on both sides: 4x - 1 = 1[Addition Property of Equality] Add 1 on both sides: 4x = 2[Division Property of Equality] Divide 4 on both sides: x = 2/4Simplify: x = 1/2

Find the average rate of change from a table.

Answers

Answer:

C. 1/2 (1 foot every 2 seconds)

The average rate of change is 1/2 foot.

What does the pattern in the residual plot indicate about the type of model?

a. The pattern is random, indicating a good fit for a nonlinear model.

b. The pattern shows the points are far from the zero line, indication a good fit for a linear model.

c. The pattern shows the points are far from the zero line, indicating a good fit for a nonlinear model.

d. The pattern is not random, indicating a good fit for a nonlinear model.

e. The pattern is random, indicating that the model is unable to be determined.

Answers

Answer: c. The pattern shows the points are far from the zero line, indicating a good fit for a nonlinear model.

d. The pattern is not random, indicating a good fit for a nonlinear model.

Step-by-step explanation:

A residual plot is a graph that represents

residuals on the vertical axis independent variable on the horizontal axis.

Two main kids of plot are there.

First plot gives a random pattern, indicates a good fit for a linear model.

Other plots are non- random, indicates a good fit for a non- linear model.

Two points are correct for any residual plots :

c. The pattern shows the points are far from the zero line( basically u-shaped), indicating a good fit for a nonlinear model.

d. The pattern is not random, indicating a good fit for a nonlinear model.

Please help me I need to solve by factoring!!

Answers

Answer:

x=5

Step-by-step explanation:

3x^2=15x

Subtract 15x from both sides

3x^2-15x=0

Factor out 3x

3x(x-5)=0

Since 0 divided by any number is zero, we get that:

x-5=0

x=5

Imagine that you are doing an exhaustive study on the children in all of the daycares in your school district. You are particularly interested in how much time children spend in active play on weekends. You find that for this population of 2,431 children, the average number of minutes spent in active play on weekends is μ = 65.87, with a standard deviation of σ = 87.08. You select a random sample of 25 children of daycare age in this same school district. In this sample, you find that the average number of minutes the children spend in active play on weekends is M = 59.28, with a standard deviation of s = 95.79.

The difference between M and mu is due to the sampling error is ______.

Answers

Answer: The difference between M and mu is due to the sampling error is -6.59 .

Step-by-step explanation:

As per given:

in population, the average number of minutes spent in active play on weekends is μ = 65.87

In sample, the average number of minutes the children spend in active play on weekends is M = 59.28

Now, the difference between M and μ is due to the sampling error is M- μ

= 59.28 - 65.87

= -6.59

So, the difference between M and mu is due to the sampling error is -6.59 .

2 + 31 X
To
+ 14 x
10
2.345
100
O
I

Answers

Answer:

12-12=21

Step-by-step explanation:

i think it is that

pls help me with this i will give crown

Answers

Answer:

Step-by-step explanation:

The easiest way to solve this would be to find the difference between the numbers. We can do [tex]-3-(-9)[/tex] to find the difference of [tex]6[/tex]. We can then make sure this is true for the rest of the sequence by adding 6 to each number.

[tex]-9+6=-3[/tex]

[tex]-3+6=3[/tex]

[tex]3+6=9[/tex]

[tex]9+6=15[/tex]

Now that we've verified that this is true, we know the answer is C

Answer:

u on go to padlet now

Step-by-step explanation:

2/7(x+4)=−6 help
x=−35

x=−25

x = 25

x =35

Answers

Answer:

x= -25

Step-by-step explanation:

-2(6+s) Greater than or equal to -15 - 2s
A. No solution
B. All real numbers
C. s is greater than or equal to 5
D. s is greater than or equal to negative 12

Answers

Answer:

I'm leaning mostly towards C Because there is a solution, None of them are real numbers and if they were, S would = 5 Especially positive S

~ Zachary

Examine triangle ABC.

Triangle A B C. Angle B is 79 degrees. Exterior angle to A is (x + 5) degrees and the exterior angle to C is x degrees. What is the value of x?

37

48

127

138

Answers

Answer:

x=127

Step-by-step explanation:

total sum of all angle of triangle is 180 degree

Now,

taking angle A let interior angle be Y

taking angle C let interior angle be Z

Again, In angle A

the sum of interior angle and exterior angle is 180 degree being staright line

Or, y+(x+5)=180

or,x+y=180-5

or, x+y=175

or,y=175-x --------eqn 1

In angle C

the sum of interior angle and exterior angle is 180 degree being staright line

or, x+z=180

or, z=180-x ----------eqn2

Again, In triangle ABC

total sum of all angle of triangle is 180 degree.

Angle A+ Angle B + AngleC=180

Or, y+79+z=180 -------eqn3

putting the value of eqn-1 and eqn-2 in eqn-3

Or, 175-x+79+180-x=180

Or, 431-180= 2x

Or, 254÷2=x

hence X= 127 degree

Answer:

c127

Step-by-step explanation:

HELP QUICK PLEASE!!!
Which pairs of quadrilaterals can be shown to be congruent using rigid motions?

Select Congruent or Not Congruent for each pair of quadrilaterals.
Congruent Not Congruent

quadrilateral 1 and quadrilateral 2

– quadrilateral 1 and quadrilateral 2

– quadrilateral 1 and quadrilateral 2
quadrilateral 1 and quadrilateral 3

– quadrilateral 1 and quadrilateral 3

– quadrilateral 1 and quadrilateral 3
quadrilateral 1 and quadrilateral 4

– quadrilateral 1 and quadrilateral 4

– quadrilateral 1 and quadrilateral 4
quadrilateral 2 and quadrilateral 3

– quadrilateral 2 and quadrilateral 3

– quadrilateral 2 and quadrilateral 3
quadrilateral 2 and quadrilateral 4

– quadrilateral 2 and quadrilateral 4

– quadrilateral 2 and quadrilateral 4
quadrilateral 3 and quadrilateral 4

Answers

Answer:

1, 4 nope 2, 3 yep

Step-by-step explanation:

1/6 = 5/12 + p

Solving Equations.

Answers

Answer: p= -3/12 or p= -.25

what are the common factors of 24 and 36

Answers

Answer:

Step-by-step explanation:

24 - 1,2,3,4,6,8,12,24

36 - 1,2,3,4,6,9,12,36

common factors are - 1,2,3,4,6,12

gcf - 12

hellllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllppppppppppppppppppppppppp

Answers

Answer:

A has 25 yd on each side and B has 16 ft each side. Please mark Brainliest since I was the first one to respond

Step-by-step explanation:

Answer: (a) 25yd.

(b) 8 ft

Step-by-step explanation:

(a) Since each side of the square are equivalent and there are four sides of a square. So you do 100÷4=25

(b)The formula for a square is A=bh.

Since 8x8=64.

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