PLEASE HELP!!! 50 POINTS AWARDED!!

PLEASE HELP!!! 50 POINTS AWARDED!!

Answers

Answer 1

Answer:

answers below

Step-by-step explanation:

1. no

2. yes

3. no

4. yes

5. no

6. yes

7. no

8. no

9. no

10. no

11. no

12. yes

Answer 2

Answer:

Below.

Step-by-step explanation:

1. No because there is a one-to-many relation in the diagram ( 8 maps to 3 and also to 4.

2. Yes. It is a one-to-one mapping.

3. Yes. It consists of on-to-one and many to one mapping.

4. No. Because it fails the vertical line test.

5. No.  As number 4.

6. Yes . this passes the vertical line test.

7.  Yes.

8.  No.   Input 1 maps to output 4 and output 7.

9.  Yes.

10. No. Because of the (3, 7) and the  (3, 6).

11.  No , because 1 maps to 8, 2 and 7.

12. Yes.


Related Questions

Each side of a regular pentagon is represented by 4x + 7. Which expression represents the perimeter of the hexagon?

A) 24x + 42
B) 20x + 35
С) 9x + 12
D) 55x

Answers

A) 24x +42 would represent the perimeter of a hexagon

FIRST TO ANSWER, would be marked as brainliest:)

Answers

Answer:

100 Cos 40° + 100 Sin 40° ≈ 141 yards

Step-by-step explanation:

From the diagram, side x is adjacent to the angle 40° while side y is the opposite to that same angle

This means that;

Cos 40° = x/100

x = 100 Cos 40°

Sin 40° = y/100

y = 100 Sin 40°

Therefore, total distance walked = x + y

                         "                             = 100 Cos 40° + 100 Sin 40° ≈ 141 yards

First, she needs to find her resting heart rate by counting her pulse for one minute immediately after she wakes up for 5 days in a row. She finds her average resting heart rate to be 62 after

5 days and she remembers the last day's pulse was 58 and all the others were the same. Write and solve an equation to find what her pulse was on all the other days. Justify your answer by showing your steps. Put in Simple equation

Answers

Answer:

63

Step-by-step explanation:

She finds her average resting heart rate to be 62 after  5 days.

That means, average of the 5 heart rate pulse=62

If the last day was 58 and all the other days were the same.

Let x be her pulse on the other days,

Then,

[tex]Average, 62=\dfrac{58+4x}{5}\\\text{Cross Multiply}\\58+4x=62 X 5\\\text{Suntract 58 from both sides}\\4x=(62X5)-58\\4x=310-58\\4x=252\\\text{Divide both sides by 4}\\x=63[/tex]

Her pulse on all the other days is 63.

Two cards are randomly chosen, one at time, from a standard deck of 52 playing cards without replacement. What is the probability both cards will be an Ace? A. B. C. D.

Answers

Answer:

C

Step-by-step explanation:

I remember the answer

The solution to your answer is c

Find the value of x. Then classify the triangle by its angles.









A.
64; acute

C.
87; obtuse

B.
64; obtuse

Answers

Answer:

Most likely A

Step-by-step explanation:

The answer is A: 64 acute

Nancy's spaghetti and meatballs recipe calls for 2 cloves of garlic the recipe makes 8 servings how much garlic is in each serving

Answers

Answer:

1/4 clove

Step-by-step explanation:

Final answer:

Each serving of Nancy's spaghetti and meatballs recipe contains a quarter (or 0.25) of a garlic clove.

Explanation:

In the given scenario, Nancy's spaghetti and meatballs recipe asks for 2 cloves of garlic and yields 8 servings. Hence, to find out the amount of garlic in each serving, we need to divide the total cloves of garlic by the number of servings. Hence,

Garlic per serving = Total garlic / Number of servings

Here's how to do the math:

Garlic per serving = 2 cloves / 8 servings = 0.25 cloves per serving

So, there is 0.25 or a quarter of a garlic clove in each serving of Nancy's spaghetti and meatballs recipe.

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9. Mrs. Kenny teaches a ceramics class. She finds
that she has of a pound of clay for a project. The
project requires of a pound. How many projects
can Mrs. Kenny complete without running out of clay?

Answers

Final answer:

To find how many projects can be completed, divide the total amount of clay Mrs. Kenny has by the amount of clay required for each project. However, the question seems to be missing the values for the total amount of clay and the amount required per project.

Explanation:

Mrs. Kenny is teaching a ceramics class where she uses clay for her projects. As stated, it seems there is a portion of the question omitted which is the number of pounds of clay Mrs. Kenny has and the amount required for each project. Ideally, the number of projects Mrs. Kenny can complete is determined by dividing the total weight of the clay she has by the weight of clay required for each project. For instance, if Mrs. Kenny has 3 pounds of clay and each project requires 1/2 pound of clay, she would be able to complete 6 projects (3 divided by 1/2 = 6).

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If a line is 10 feet long but needs to be reduced to 80% of its original, how long will the new line be?

Answers

Answer:

8 feet

Step-by-step explanation:

A model of a house is shown.
+ 12х + 3
14х + 13
What is the perimeter, in units, of the model?
О64х + 24
О46х + 25
O32х + 12
050x +11

Answers

Given:

Given that the model of the house.

The house is made up of two composite figures triangle and rectangle.

The two sides of the triangle are 6x - 4 units each.

The length of the rectangle is 14x + 13.

The width of the rectangle is 12x + 3.

We need to determine the perimeter of the house.

Perimeter:

The perimeter of the house can be determined by adding all the sides of the house.

Thus, we have;

[tex]Perimeter=2(6x -4 )+2(12x+3)+(14x+13)[/tex]

Simplifying the terms, we get;

[tex]Perimeter=12x -8+24x+6+14x+13[/tex]

Adding the like terms, we have;

[tex]Perimeter=50x+11[/tex]

Thus, the perimeter of the house is 50x + 11 units.

Hence, Option d is the correct answer.

What is the perimeter of the parallelogram?

18 m
24 m
36 m

Answers

Answer:

36m

Step-by-step explanation:

The perimeter is given by

P = 2(l+w)

The length is 12 and the width is 6

P = 2(12+6)

P = 2(18)

P = 36

Answer:

36 m

Step-by-step explanation:

12+12+6+6 or 24+12= 36

Felicia has a garden in the shape of a parallelogram as shown. What is the area of her garden?

O 72 ft²

O 75 ft²

O 92 ft²

O 96 ft²

Answers

Answer:

72 ft²

Step-by-step explanation:

base=9

height=8

9*8=72

Area of parallelogram= base*height

Answer:

O 72 ft²

Step-by-step explanation:

Formula for Area of a Parallelogram:

[tex]A = bh[/tex]

The base (b) is 9 ft.

The height (h) is 8 ft.

[tex]A = 9 * 8\\A = 72[/tex]

please help me with this problem​

Answers

Answer:

-3

Step-by-step explanation:

Negative reciprical

At a summer camp, 72% of the campers participate in rope climbing and 26% participate in canoeing. 83% of the campers participate in rope climbing, canoeing, or both. What is the probability that a randomly selected camper participates in both rope climbing and canoeing

Answers

Answer:About 60%

Step-by-step explanation:

Answer:

.15

Step-by-step explanation:

0.83 = 0.72 + 0.26 - P(R and C)

P(R and C) = 0.15.

PLEASE HELP I ONLY HAVE 14 MINS LEFT!!!

Answers

Answer:

0 and 0.695

Step-by-step explanation:

0=(0.695)- 14= 0.95

I have to answer this to get 100%

1. The coordinates of rectang

es of rectangle RSTU are R(-5, 1), S(-5, -3), T(4, -3), and

will be dilated by a scale factor of What are

(4,1). The rectangle will be dilated by a scal

the coordinates of S'?

A (-10,6)

B. (-5, -1.5)

C. (-2.5, -3)

D. (-2.5, -1.5)

Answers

Choice C would be your answer!!

The ________________ is where a line crosses the y-axis.
a rate of change
b slope
c y-intercept

Answers

Answer:

y intercept

Step-by-step explanation:

A rectangular prism with a length of 5 centimeters, height of 3 centimeters, and width of 4 centimeters. The rectangular prism shown has a length of 5 cm, a height of 3 cm, and a width of 4 cm. What is the surface area of this prism? square centimeters

Answers

Answer:

94cm squared

Step-by-step explanation:

you find the area of each side by doing base times height and you add the six of them all together to get your answer

Answer:

94 cm

Step-by-step explanation:

Which equation represents h(x)?

h (x) = RootIndex 3 StartRoot x minus 2 EndRoot
h (x) = RootIndex 3 StartRoot x + 2 EndRoot
h (x) = RootIndex 3 StartRoot x EndRoot minus 2
h (x) = RootIndex 3 StartRoot x EndRoot + 2

Answers

Answer: h (x) = RootIndex 3 StartRoot x + 2 EndRoot

Step-by-step explanation:

Answer:

option2

Step-by-step explanation:

Please help!! In radians, what is the period of the function y = .5cos5x

pi/5

(3pi)/2

(2pi)/5

pi/2

Answers

Answer:

(2pi)/5

Step-by-step explanation:

The cosine function cos(x) has a period of 2*pi.

If we change the argument of the cosine, the new argument will have a period of 2*pi. If the new argument is 5x, we have that the period will be:

5x = 2*pi

x = 2*pi/5

The period of this function will be (2pi)/5, because for every (2pi)/5 change in the value of x, the function will have the same value. The value of 5 multiplying the cosine does not interfere in the period.

Tickets for the concert cost $47 each. There is also a $5.95 service fee for each ticket. Bernie's aunt buys tickets for 5 people. How much money does she spend in all?

Answers

Answer:

$264.75

Step-by-step explanation:

47*5=235

5.95*5=29.75

29.75+235=264.75

(Can i get the Brainliest?)

Answer:

$264.75

Step-by-step explanation:

You multiply 47 to 5, because it's 5 tickets and $47 each. You should get $235. Then, you multiply 5 and 5.95. you should get $29.75. Then you add 29.75 to 235. Your final answer is $264.75.

The height of a trapezoid is 6 in. and it’s area is 72 in to the 2nd power. One base of the trapezoid is 6 inches longer than the other base. What are the lengths of the bases? Complete the explanation of how you found your answer.

One base is __ inches for one of the bases and __ inches for the other base.


Use the formula for the area of a trapezoid. Substitute 72 for A and 6 for h and simplify the equation to find __ = (b1 + b2). Use guess and check to find two numbers that add to __ with one number 6 more than the other to get __ inches for one of the bases and __ inches for the other base.

Answers

Given:

The height of the given trapezoid = 6 in

The area of the trapezoid = 72 in²

Also given, one base of the trapezoid is 6 inches longer than the other base

To find the lengths of the bases.

Formula

The area of the trapezoid is

[tex]A=\frac{1}{2} (b_{1} +b_{2} )h[/tex]

where, h be the height of the trapezoid

[tex]b_{1}[/tex] be the shorter base

[tex]b_{2}[/tex] be the longer base

As per the given problem,

[tex]b_{2}=b_{1} +6[/tex]

Now,

Putting, A=72, [tex]b_{2}=b_{1}+6[/tex] and h=6 we get,

[tex]\frac{1}{2} (b_{1} +b_{1}+6)(6) = 72[/tex]

or, [tex]b_{1}+b_{1}+6 = \frac{(72)(2)}{6}[/tex]

or, [tex]2b_{1}+6 = 24[/tex]

or, [tex]2b_{1}=24-6[/tex]

or, [tex]b_{1}= \frac{18}{2}[/tex]

or, [tex]b_{1}=9[/tex]

So,

The shorter base is 9 in and the other base is = (6+9) = 15 in

Hence,

One base is 9 inches for one of the bases and 15 inches for the other base.

What numbers should be placed in the boxes from left to right ?

Answers

Answer:

3 and 6

Step-by-step explanation:

hello

i hope it help

Select the correct answer
This scatter plot shows the association between time elapsed and distance left to go when John drove from city A to city B. What are the slope
and the y-intercept of the line of best fit on the scatter plot?

Answers

Answer:

The y intercept is 80 and the line of the best fit is -3/5

Step-by-step explanation:

The y intercept of the line of best fit is 80 miles with a slope of -0.6 mile per minute

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

From the graph, the y intercept is 80 miles. The line passes through (0, 80) and (100, 20), hence:

slope = (20 - 80) / (100 - 0) = -0.6 mile per minute

The y intercept of the line of best fit is 80 miles with a slope of -0.6 mile per minute

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What are the coordinates of A’ after reflecting across the line x = 3?

On a coordinate plane, figure A B C D has points (3, 2), (2, 4), (6, 3), and (1, 0).

(2, 3)
(3, 2)
(3, 4)
(3, –2)

Answers

Answer:

(3,2)

Step-by-step explanation:

A: (3,2)

Since A lies on the mirror line, it will mapped onto itself

A': (3,2)

The required coordinate of image A' is given as (3, 2). Option B is correct.

What is coordinate?

Coordinate, is represented as the values on the x-axis and y-axis of the graph. while the coordinate x is called abscissa and the coordinate of the y is called ordinate.

Here,

The Coordinate of A is (3, 2) and the equation of a line is x = 3, since
Point A lies on line x = 3, so the image of the point overlapped the original point. Although the coordinate of the image A' is given as (3, 2)

Thus, the required coordinate of image A' is given as (3, 2). Option B is correct.

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Which expression represents the difference (6b+9) – (7b — 4)?

Answers

Answer:

there arent any options but this is what i got

− b + 13

Step-by-step explanation:

Final answer:

The difference expression (6b+9) – (7b — 4) simplifies to -b + 13 after distributing the negative sign and combining like terms.

Explanation:

The expression representing the difference (6b+9) – (7b — 4) is obtained through the subtraction of the second polynomial from the first. To perform the subtraction, one must distribute the negative sign to the terms within the second polynomial, which flips the signs of the terms inside the parentheses. Therefore, the subtraction becomes:

(6b + 9) + (-7b + 4)

Now, combine like terms:

Combine the b terms: 6b - 7b = -1b

Combine the constant terms: 9 + 4 = 13

After combining like terms, the final simplified expression is -1b + 13 or simply -b + 13.

Frank averages a speed of 19 miles per hour during his bike race. The race is 60 miles long.

Answers

Answer:

3 hours and 16 minutes or 3.16 for Frank to finish the race

Step-by-step explanation:

60 miles long Frank is going 19 miles an hour

60 divided by 19 3.157 rounded up 3.16

Final answer:

Using the distance and speed, we calculate the time it takes for Frank to complete the bike race. He averages a speed of 19 miles per hour for a 60-mile race, which means it will take him approximately 3.16 hours to finish.

Explanation:

This question is about solving a typical problem in math - specifically, calculating time with information on distance and speed. To figure out how long it would take Frank to finish the 60-mile bike race, we use the formula Time = Distance / Speed. Given that Frank averages a speed of 19 miles an hour, we divide the total distance (60 miles) by his average speed (19 mph).

So, 60/19 ≈ 3.16. That means Frank will take approximately 3.16 hour to complete the bike race.

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Set of integer solutions of x^2≤3

Answers

Answer:

[tex]-1,0,1,[/tex]

Step-by-step explanation:

x²≤3

|x|≤√3

Hence, $x\leqslant \sqrt 3$ or $ x\geqslant -\sqrt 3$

A graph of two functions is shown below:



Which of the following is an approximate solution for f(x) = g(x)?
x = −2
x = 0
x = −1
x = 1

Answers

Answer:

x = -1

Step-by-step explanation:

because both lines intersects at -1.

Answer:

x=-1

Step-by-step explanation:


There are 32 students in choir, and 44 students in band. Out of those in choir, 5 are in band. What is the probability that a student is in band, given that they are in choir.

Answers

same i need to do this

Solving equations and distributive property

Answers

Answer:

8(4+x)= 64

(8*4)+(8*x)= 64

8x+32= 64

8x= 64-32

8x= 32

x= 32/8

x= 4

32+8x=64
Subtract 32 from both sides...
8x=32
Divide 32 by 8...
X=4
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