Mathematics High School

## Answers

**Answer 1**

**Answer:**

1. Determine the slope of line AB: 4/3

2. Determine the slope of line DC: 4/3

3. Determine the length of line AB: 5

4. Determine the length of line DC: 5

## Related Questions

Carson drew a line perpendicular to the x-axis through (7,-3). What is its equation and its slope?

### Answers

**Answer:**

equation is x = 7

slope is undefined

**Step-by-step explanation:**

**Answer:**

perpendicular to the x-axis means a vertical line. So, all of its points have x-coordinate of 7

The slope of vertical lines is undefined.

**Step-by-step explanation:**

A bird starts at 20 m and changes 16 m?

### Answers

Answer:

Step-by-step explanation:

I don't understand your question so please change the question so I can answer you.

What is the slope of the following line? I need help asap

### Answers

**Answer:**

-4/3

**Step-by-step explanation:**

it says to find the slope you do y2 - y1 / x2 - x1.

From the points, you have x1 = -3, x2 = 0, y1 = 3, y2 = -1.

Plug those in:

-1 - 3 / 0 - (-3) = -4 / 3 = -4/3

**Answer:**

-1-3/0-(-3)= -4/3

**Step-by-step explanation:**

since m=y2-y1/x2-x1 the equation would be -1-3/0-(-3) which equals to -4/0+3 which equals -4/3. since it's slope you do not simplify.

CAN I GET SOME HELP PLEASE?

### Answers

**Answer:**

m = 8

n = 9

**Step-by-step explanation:**

**Remark**

By similar triangles

(m - 4) /8 = 8 / 2m Cross multiply

2m(m - 4) = 64 Expand the left

2m^2 - 8m = 64 Divide through by 2

m^2 - 4m = 32 Subtract 32 from both sides.

m^2 - 4m - 32 = 0 Factor

(m - 8)(m + 4) = 0

m + 4 has no meaning in geometry. - numbers cannot be distances.

m - 8 = 0

m = 8

===================

By the same kind of similar triangles used in problem A we get

7 / x = x / 9

x^2 = 63

Just leave this as it is. We'll solve this by the Pythagorean Theorem.

x^2 + 9^2 = (n + 3)^2

63 + 81 = (n + 3)^2

144 = (n + 3)^2 Take the square root of both sides

12 = n + 3 Subtract 3 from both sides.

9 = n

Which of the following statements is TRUE regarding b(x)?

A. Over the interval [0, 1], b(x) is negative and is increasing.

B. Over the interval [0, 1], b(x) is positive and is decreasing.

c. Over the interval [0, 1], 5(x) is positive and is increasing.

D. Over the interval [0, 1], b(x) is negative and is decreasing.

### Answers

D since it’s slope is negative from [0,1] and negative below the x axis

The **only statement that is true** regarding the given graph **of polynomial b(x)** is; *Option D; Over the interval [0, 1], b(x) is negative and is decreasing.*

The given graph represents the **polynomial b(x)**. Let us look at the options;

**Option A;** Over the interval (0, 1), we can see that the curve is **decreasing from b(x) = 0 to b(x) = -2**. Thus, the statement is wrong.

**Option B;** Over the interval of (0, 1), b(x) is not positive over the interval (0, 1) and so the statement is wrong.

**Option C;** Over the interval of (0, 1), b(x) is not positive and increasing and so the statement is wrong.

**Option D;** Over the interval of (0, 1), b(x) is negative and is also decreasing and so this option is correct.

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Solve the inequality and graph the solution.

4x - 5 ≥ 7

### Answers

**Answer:**

x=3

**Step-by-step explanation:**

it would go over the point 3,7 on the graph with a positive slope

The given **inequality is solved **to obtain as x ≥ 3.

What is linear inequality?

**Linear inequality** refers to the relation between a linear **algebraic expression **to some **known value **that contains inequality **sign**.

Unlike a** linear equation** it can have a **range **of **values **inside an **interval**.

The given **inequality **can be solved as follows,

4x - 5 ≥ 7

**Subtract **7 from **both sides **to **obtain**,

4x - 5 - 7 ≥ 0

=> 4x - 12 ≥ 0

=> 4x ≥ 12

=> x ≥ 3

The **graph **for the given **inequality **is shown as below,

Hence, the **solution **for the given **inequality **is x ≥ 3.

To know more about** linear inequality **click on,

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can someone check behind me if both of these graphs have a slope of 3?

### Answers

it looks like it is 5/3 for line E and 2/1 for line D.

**Answer:**

No. The slope of **Line E is 3/2**, and the slope of **Line D is 6/8.**

**Step-by-step explanation:**

For line E, let's find two points that the lines go through: (0,4) and (30, 24).

m=30-0/24-4

m=30/20

**m= 3/2 or 1.5**

Line E **does not have a slope of 3.**

Line D goes through these two points: (8,9) and (16,15).

m=15-9/16-8

**m=6/8 or 0.75**

Line D **doesn't have a slope of 3.**

Which of the following systems of linear equations has no solution?

### Answers

Answer: 3rd option

Step-by-step explanation:

A small box of muffins contains 2 blueberries, 1 cinnamon, and 3 chocolate. if a large batch of muffins contains 9 chocolate how many blue muffins are there?

PLS DO NOT JUST ADD THE ANSWER PLS ADD HOW U GOT IT TOO!!!

6th grade math

### Answers

**Answer: yo we have a problem**

**Step-by-step explanation:**

im in 10th grade and i cant answer this problem 0.0

A classroom with an area of 500 square feet has room for 30 students. A classroom with an area of 1,500 square feet has room for 80 students.

A. Write the relationship of students to square feet, for the smaller classroom, as a ratio and as a fraction in its simplest terms.

B. Write the relationship of students to square feet, for the larger classroom, as a ratio and as a fraction in its simplest terms.

C. The original ratios of students to square feet in the two classrooms are not equal. How many students can the larger classroom hold to make its ratio of students to square feet equal to that of the smaller classroom?

### Answers

**Answer:**

17ft, 1 student

**Step-by-step explanation:**

Ayana and Victor have summer jobs selling newspaper subscriptions door-to-door, but their compensation plans are different. Ayana earns a base wage of $12 per hour, as well as $1 for every subscription that she sells. Victor gets $4 per subscription sold, in addition to a base wage of $6 per hour. If they each sell a certain number of subscriptions in an hour, they will end up earning the same amount. How many subscriptions would that be? How much would each one earn?

### Answers

**Answer:**

2

$14

**Step-by-step explanation:**

Let x = number of subscriptions sold

Total income of Ayana per hour = $12 + $1x

Total income of Victor per hour = $6 + $4x

To find the number of subscriptions that would equate their incomes :

$12 + $1x = $6 + $4x

Collect like terms

$12 - $6 = $4x - $1x

$6 = $3x

Solve for x

x = $2

The subscription that would equate their income would be $2.

The income each would earn = $12 + $1(2) = $14

Find AB.

B

8

610

A

C

Write your answer as an integer or as a decimal rounded to the nearest tenth.

AB =

### Answers

**Answer:**

AB ≈ 7.0

**Step-by-step explanation:**

Using the sine ratio in the right triangle

sin61° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{AB}{BC}[/tex] = [tex]\frac{AB}{8}[/tex] ( multiply both sides by 8 )

8 × sin61° = AB , then

AB ≈ 7.0 ( to the nearest tenth )

Please help i am super confused on what to do :)

Please explain how you got your answer too

Dont write something dum because i will report it i just need help on this question

### Answers

**Answer:**

About 9.1 yards tall.

**Step-by-step explanation:**

So, we can draw the right triangle shown below:

We want to find h.

Since we know the angle and the side adjacent to the angle and we wan to find the opposite side, we will use the tangent ratio:

[tex]\displaystyle \tan(x^\circ)=\frac{\text{Opposite}}{\text{Adjacent}}[/tex]

So:

[tex]\displaystyle \tan(20)=\frac{h}{25}[/tex]

Therefore:

[tex]\displaystyle h=25\tan(20)[/tex]

Use a calculator. Ensure your calculator is in the correct mode (degrees mode):

[tex]h\approx 9.1\text{ yards}[/tex]

The goal post is around 9.1 yards tall.

What is the area of the composite shape?

### Answers

**Answer:**

84 sq. inches

**Step-by-step explanation:**

When you section off each, you can find the area of each shape and add together to make composite.

Triangle on left is 6 sq. inches

Rectangle on right (5x10) is 50 sq. inches

Rectangle on bottom (7x4) is 28 sq. inches

find the are of the ABC triangle

### Answers

The answer is for the question is 7

**Answer:**

The area of the triangle is 48 square centimeters.

**Step-by-step explanation:**

The area of a triangle is base times height times a half. So the area of the triangle is 12 * 8 / 2 = 6 * 8 = 48 square centimeters.

1

Looking at the angle relationship below, what is the value of x?

1

.

45°

### Answers

**Answer:**

45

**Step-by-step explanation:**

They add up to 90, so 90 - 45 = 45 degrees

HELP ASAP PLEASE :))))))

For what value of p is the expression (x - p)2 + 5 equivalent to the expression x2 – 14x + 54?

A. -49

B. -7

C. 7

D. 49

### Answers

**Answer:**

7

**Step-by-step explanation:**

because I am smart and cause im smart

The correct answer is C !

Parking lots A and B each charge a set fee for parking plus an hourly rate.

Hours Parked48Lot A Cost ($)19.00/33.00

Lot B Cost ($)20.00/32.00

How many more dollars does it cost per hour to park in Lot A than in Lot B? Give the answer as a decimal showing dollars and cents.

### Answers

Answer:

$0.5

Step-by-step explanation:

Given :

Hours ___Lot A Cost ($) ___ Lot B Cost ($) 4____________19.00 _____ 20.00

8 ___________ 33.00 ______ 32.00

Using the equation :

y = mx + C

m = slope = Hourly charge

C = intercept = set park fee

m = y2 - y1 / x2 - x1

For LotA:

m1 = (33 - 19) / (8 - 4)

m1 = 14 / 4

m1 = 3.5

For LotB:

m2 = (32 - 20) / (8 - 4)

m2 = 12 / 4

m2 = 3

Since, m is the hourly cost :

Difference = m1 - m2

= 3.5 - 3

= $0. 5

50 to 60 as a fraction in simplest form

### Answers

**Answer:**

5/6

**Step-by-step explanation:**

50/60 in simplest form is 5/6

You would divide both sides by 10

The **simplified **expression of the **expression** 50 to 60 is 5/6

How to simplify the expression

From the question, we have the following parameters that can be used in our computation:

50 to 60

Express as equation

50 to 60 = 50/60

**Divide **50 by 60

So, we have the following representation

50 to 60 = 5/6

Using the above as a guide, we have the following:

The **expression **cannot be further **simplified**

Hence, the **simplified expression** is 5/6

Read more about **expressions** at

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SOLVE THIS PROBLEM PLEASE EXPLAIN HOW IT IS CORRECT PROVIDE! ASAP PLS THANK YOU SO MUCH FOR HELPING 10+ POINTS

### Answers

**Answer:**

14x7=98

**Step-by-step explanation:**

First you see the line going down and there is the height 7 you can move that tiny triangle to the left where the parallelogram can be made into a rectangle.

all you need is to multiply base x height

base 14cm height 7cm pls brainliest

hope this helps!

There is a cube that is 1 unit long, 1 unit wide,

and 1 unit deep. What is the volume of this

cube?

a. 4 cubic units

b. 3 cubic units

c. 2 cubic units

d. 1 cubic unit

### Answers

D because of lx w x h and you would get one cubic unit

Find the perimeter of the following shape

### Answers

**Answer:**

perimeter = 2√10 + 2√5 ≈ 10.797

**Step-by-step explanation:**

Perimeter = DA + AB + BC + CD

DA = CB

D(4 , 4)

A(7, 5)

DA = √(7-4)² + (5-4)²

DA = √(3)² + (1)²

DA = √9+1 = √10

AB = CD

D(4, 4)

C(3, 2)

CD = √(4-3)² + (4-2)²

CD = √(1)² + (2)²

CD = √1 + 4 = √5

Perimeter = √10 +√5+√10+√5

= 2√10 + 2√5 ≈ 10.797

Sabra joins A cooking club for $8.50 and pay $6.25 each month she also joined a movie club for $12 and pay $3.75 each month write an expression that represents the total amount of money sabra spent on both clubs after M months then simplify the expression

### Answers

Answer:

420

Step-by-step explanation:

Because 7+7=420 and poopie

Direction: Match the exponential notation in Column A to its

equivalent in column B.

Column A

Column B

1.3.

2.54

3.82

• B. 243

C. 512

4.94

. D. 625

5.2.

E. 1.024

### Answers

**Answer:**

446565688987888888 ti ifyx

Ill give u brainly if u help on this one too please !

### Answers

**Answer:**

The correct answer is B!

**Step-by-step explanation:**

I hope it helps you Sir (or ma'am.)

Write two different ratios that would form a proportion with the ratio of 10/4

### Answers

**Answer:**

ima guess 20/8 40/16

you can also say 5/2

**Step-by-step explanation:**

dont take my word, that just seems to make sense

PLEASE HELP I DONT KNOW THIS

### Answers

**Answer:**

Exponential Growth

**Step-by-step explanation:**

The function is increasing and not decreasing. Because the base is greater than 1, the equation represents exponential growth. If the base were to be less than 1, then it would represent exponential decay.

A ball is thrown straight up from the top of 128 foot building with an initial speed of 32 feet per second. How long will it take for the ball the hit the ground? How high will the ball be after 3 seconds?

### Answers

The ball drops 32 ft per second

So.... 32 x 3 = 96 ft

So.... 128 ft - 96 ft = 32 ft in 3 sec

So .... 128 ft /32 ft = 4 seconds to hit the ground

I need help with the question below.

Please show workings.

Question : Given

[tex]6 < x < 7[/tex], which of the following could be values of x :

1.

[tex] + \sqrt{36} [/tex]

2.

[tex]2\pi \: r[/tex]

3.

[tex] \frac{14}{2} [/tex]

4.

[tex] \frac{1}{0.15} [/tex]

5.

[tex] \frac{ {( - 5)}^{2} }{4} [/tex]

6.

[tex] \tan(81) \: degree[/tex]

(tan 81°)

### Answers

9514 1404 393

**Answer:**

4, 5, 6, maybe 2

**Step-by-step explanation:**

You're looking for values strictly between 6 and 7. In decimal, the number will have a leading digit of 6 and a non-zero decimal fraction.

1. √36 = 6 . . . out of range

2. 2πr ≈ 6.28r . . . value depends on r (presumed not in range)*

3. 14/2 = 7 . . . out of range

4. 1/0.15 ≈ 6.666...(repeating) . . . **in range**

5. 25/4 = 6.25 . . . **in range**

6. tan(81°) ≈ 6.31... . . . **in range**

____

* of course, 2π will be in range.

The value of Maggie's car decreased by 10% since last year, when she bought it. If the car is now worth $21,000.00, how much was the car worth when she bought it?

### Answers

**Answer**

**$23,333**

**Step-by-step explanation:**

100% - 10% = 90%

90% = 0.90

21000/.90 = $23,333