Mathematics High School

## Answers

**Answer 1**

Kindly receive the answer

## Related Questions

4 mm

What is the surface area of this cube?

A. 16 mm2

B. 48 mm

C. 64 mm

D. 96 mm

### Answers

**Answer:**

It is surely *16mm2**,** **because** **a** **cube** **is** **always** **two-dimensional**.*

**Step-by-step explanation:**

*This** **means** **that** **it** **has** **to** **be** **a** **value** **with** **mm2**!*

*Hope** **I** **helped**!*

**Answer:**

calculate the value of × if :

72:64=×:16

Hurry please!

What is the slope of a line parallel to the line whose equation is

2x + 2y = -12.

Fully simplify your answer.

### Answers

**Answer:**

We have the equation of the line as : 4x+2y=12

**Step-by-step explanation:**

Now 4x+2y=12

=> 2y = 12 - 4x

=> y = 6 - 2x

A line with a slope m and y-intercept c can be written as y = mx + c

In the case of y = -2x -...

Haley and Sabrina are both training for a race.

Haley runs 4.2 miles each day.

Sabrina has been running as many miles each day as Haley.

Next week, Sabrina is going to increase the miles she runs each day by 25%.

Haley and Sabrina both train by running 6 days each week.

What is the total number of miles Sabrina will run next week to train for the race?

A.

5

B.

18.3

C.

21

D.

47.25

### Answers

the answer is 47.25. trust me, its pretty obvious

Please help me. I've been working on this for an hour and I just need an answer. Thank you so much if you do all of these. I will forever be indebted to you :)

Part A:

Rewrite without absolute value for the given conditions:

1) y = |x−3|+|x+2|−|x−5|, if x > 5

2) y = |10-x|, if x<10

Part B:

Write the absolute value equations in the form x−b=c (where b is a number and c can be either number or an expression) that have the following solution sets:

1) All numbers such that x≤5.

2) All numbers such that x≤−14.

Again, thank you so much if you do all of these!

### Answers

**Answer:**

**Step-by-step explanation:**

**Rewrite without absolute value for the given conditions:**

1) y = |x−3|+|x+2|−|x−5|, if x > 5

y = x-3 + x + 2 - (x-5)

y = x + 4

2) y = |10-x|, if x<10

y = 10 - x

**In both cases, the value of x is held to values that make the absolute value notation redundant, so they can be removed.**

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

**Write the absolute value equations in the form x−b=c (where b is a number and c can be either number or an expression) that have the following solution sets:**

**I actually don't understand the question. Rewrite the above equations, or make new ones? Sorry.**

1) All numbers such that x≤5

x≤5 kinda does it for me. X can be any number less than or equal to 5. Ta da. (?)

2) All numbers such that x≤−14.

x ≤ -14

Same comment. I'm not sure what is being asked.

The mean can be found when you add all the numbers in a set, and then divide that sum by the amount of numbers given. Find the average tree growth of four Douglas Fir trees: 2.2 in., 1 1/5 in., and 1 1/2 in.

### Answers

**Answer:**

49/30

**Step-by-step explanation:**

To find the mean, add up 2.2 + 1 1/5 + 1 1/2 to get 49/10

Then divide that by 3 (it says four Douglas trees but you only put 3 types)

49/10 divided by 3 is 49/10 times 1/3, which is 49/30

Hey! I need someone to help me with this.

1)

Expression: (a-5)2

Simplified: ?

2)

Expression: a-9 x a17a7

Simplified: ?

3)

Expression: a-4a-7

Simplified: ?

4)

Expression: (a3)-2 x a2a3

Simplified: ?

5)

Expression: a22(a3)8

Simplified: ?

6)

Expression: a0x (a2)6

Simplified: ?

7)

Expression: (a5)3

Simplified: ?

8)

Expression: a-4x a15

Simplified: ?

### Answers

**Answer:**

1)

Expression: (a-5)2

Simplified: **2a−10**

2)

Expression: a-9 x a17a7

Simplified: **a−9xa24**

3)

Expression: a-4a-7

Simplified: **−3a−7**

4)

Expression: (a3)-2 x a2a3

Simplified: **a3−2xa5**

5)

Expression: a22(a3)8

Simplified: **8a25**

6)

Expression: a0x (a2)6

Simplified: **2+x>4**

**(−3−5i)−(4+2i)**

**6/8**

7)

Expression: (a5)3

Simplified: **3a5**

8)

Expression: a-4x a15

Simplified: **a−4xa15**

Pls, choose me as brainliest!

im not sure if the highlighted one is correct please help

### Answers

**Answer:**

yea it's correct complimentary below 90 degrees is complimentary angles.

**Answer:**

2nd option is correct

**Step-by-step explanation:**

Complementary angles sum to 90°

23° + 67° = 90°

These are complementary angles

Determine the type of fee that will be charged in each situation. Lisa sold 50 shares of stock A on a given day. Her broker charged her $12 for this trade. Reggie’s broker charged him a front-end load of 2. 75% when he purchased a fund. John’s broker provided him with stock-trading software to manage his trading. Pete isn’t a regular investor. He hasn’t bought or sold any stock this year. His broker charged him an inactivity fee of $75 for the year. Joanne’s brokerage firm charged her for providing investment information

### Answers

**Answer:**

**Transaction Fee**

- Lisa sold 50 shares of stock A on a given day. Her broker charged her $12 for this trade.

- Reggie’s broker charged him a front-end load of 2.75% when he purchased a fund.

**Non-Transaction Fee**

- Joanne’s brokerage firm charged her for providing investment information to help her make informed choices.

- Pete isn’t a regular investor. He hasn’t bought or sold any stock this year. His broker charged him an inactivity fee of $75 for the year.

- John’s broker provided him with stock-trading software to manage his trading.

**Step-by-step explanation:**

Find the area.

5 cm

5 cm

16 cm---

7 cm

14 cm

### Answers

**Answer:**

if it is area of triangle it would be 49

**Step-by-step explanation:**

Find m?/1

U

T

30

19

s

97°

R

21

### Answers

**Answer:**

Sis 97,U is 30,Tis19,R is 21and m is 37

Which expression represents the value, in dollars, of a certain number of quarters, q, and dimes, d?

0.35qd

0.35q + d

0.10q + 0.25d

0.25q + 0.10d

I am in middle school.

### Answers

C because q equals the quarters and d equals the dimes

Put these numbers in order of size, smallest to largest: 6, -2, 4, -3, 1 3

### Answers

Answer:

-3,-2,4,6,13

Step-by-step explanation:

put them in order of increment

9x^4-2x^2+7x-8x^3+x^5-4

Write the following polynomials in standard form

### Answers

**Answer:**

[tex]x^5+9x^4-8x^3-2x^2+7x-4[/tex]

**Step-by-step explanation:**

standard form means that u order each term by highest to lowest degree (degree is like the sum of all the exponents of the variables in a term). [tex]x^5[/tex] is the highest, [tex]9x^4[/tex] is the second highest, [tex]-8x^3[/tex] is the third highest, [tex]-2x^2[/tex] is the fourth highest, [tex]7x[/tex] is the fifth highest, and [tex]-4[/tex] is the lowest because if it has no variable, it's equivalent to [tex]-4x^0[/tex] which is obviously the lowest. hope this helps

Please I need your help on all the answers!

What Is

the Title?

TO FIND THE TITLE OF THIS

PICTURE:

Do each exercise below and find your

answer in the code. Each time the

answer appears, write the letter of the

exercise above it.

### Answers

Answer: That’s all youre going to search

Step-by-step explanation:

The **answers **related to **perimeter **is shown below.

What is Perimeter?

The **complete length** of a shape's boundary is referred to as its **perimeter**. A shape's **perimeter **is calculated by **adding **the **lengths **of all of its **sides **and **edges**. Its dimensions are expressed in linear units like centimeters, meters, inches, and feet.

Given:

O) Perimeter of **Triangle **= 16.6

G) Perimeter of **Square **= 24

E) Perimeter of **Parallelogram**= 230

A) Perimeter of **Decagon **= 6.3

B) Perimeter of **Rectangle **= 16.6

I) Perimeter of **Equilateral **Triangle = 3 x 5.25 = 15.75

H) Perimeter of **Hexagon **= 16.5

U) Perimeter of **Rhombus **= 100

Learn more about **Perimeter **here:

https://brainly.com/question/6465134

#SPJ2

Lexi did 4/10 of her homework after school she played outside for 30 minutes she then did 3/10 more of her homework what decimal shows the amount of homework Lexi has finished

### Answers

**Answer:**

0.7

**Step-by-step explanation:**

4/10 + 3/10 = 7/10

7/10 as a decimal is 0.7

Answer: 0.7

Which graph represents the solution set of the compound inequality?

−5

please help!!!

### Answers

**Answer:**

the first

**Step-by-step explanation:**

it just is. Be smarter.

5. The temperature is 8 degrees. It is expected to fall 5 degrees each hour for the next

several hours. In how many hours will the temperature be-7

degrees?

### Answers

**Answer:**

3 hours

**Step-by-step explanation:**

We can set up an equation and solve. Let x be hours that have passed, the answer to our question.

-7 = 8 -5x - Created equation

-15 = -5x - Subtract -8 from both sides

3 = x - Divide both sides of the equation by -5

In **3 hours** the temperature will be -7°.

**Answer:**

-7°

**Step-by-step explanation:**

after 1 hr temp = 3°

after 2 hrs = -2°

after 3 hrs = -7°

4T + 2(2T - 4) = 7T + 3(9 + 2) + 1T

### Answers

0=41

(need 20 characters dont mind this)

Brainliest!

Adam dove 512 miles in 8 hours. The average speed for his trip is 512= x8

Using the formula d= rt, solve for x

### Answers

**Answer: **64 mph

**Step-by-step explanation:**

d = rt

512 = 8x

x = 512/8 = 64 mph

Ms. Pierce bought a camera that cost $450. She also had to pay an additional 5% sales tax. How much did Ms. price pay for the camera

### Answers

if we add 4%, we now have 104% of

the price, right? Remember that "percent"

means for each 100, so 104% = 104/100 :

1.04. 1.04(450) = $468.

For what value of c does x^2−2x−c=4 have exactly one real solution?

PLEASE HELP!!!!!!!

### Answers

**Answer:**

-5

**Step-by-step explanation:**

Moving all terms of the quadratic to one side, we have

[tex]x^2-2x-(c+4)=0[/tex].

A quadratic has one real solution when the discriminant is equal to 0. In a quadratic [tex]ax^2+bx+d[/tex], the discriminant is [tex]\sqrt{b^2-4ad}[/tex].

(The discriminant is more commonly known as [tex]\sqrt{b^2-4ac}[/tex], but I changed the variable since we already have a [tex]c[/tex] in the quadratic given.)

In the quadratic above, we have [tex]a=1[/tex], [tex]b=-2[/tex], and [tex]d=-(c+4)[/tex]. Plugging this into the formula for the discriminant, we have

[tex]\sqrt{(-2)^2-4(1)(-(c+4))[/tex].

Using the distributive property to expand and simplifying, the expression becomes

[tex]\sqrt{4-4(-c-4)}=\sqrt{4+4c+16}\\~~~~~~~~~~~~~~~~~~~~~~=\sqrt{20+4c}\\~~~~~~~~~~~~~~~~~~~~~~=\sqrt{4}\cdot\sqrt{5+c}\\~~~~~~~~~~~~~~~~~~~~~~=2\sqrt{c+5}.[/tex]

Setting the discriminant equal to 0 gives

[tex]2\sqrt{c+5}=0[/tex].

We can then solve the equation as usual: first, divide by 2 on both sides:

[tex]\sqrt{c+5}=0[/tex].

Squaring both sides gives

[tex]c+5=0[/tex],

and subtracting 5 from both sides, we have

[tex]\boxed{c=-5}.[/tex]

The company makes a single serving cereal box that contains a volume of 1.2 ounces of cereal. They plan to make an extra large box for school cafeterias. The extra large box will be a dilation of the single serving box using a scale factor of 9/2

. How many ounces of cereal will the extra large box contain?

### Answers

**Answer:**

109.35 ounces

**Step-by-step explanation:**

The scale factor is a linear scale factor.

The box is a three-dimensional solid, so the length, width, and height will be dilated by a factor of 9/2.

The volume factor is (9/2)³ = (4.5)³ = 91.125

The number of ounces is proportional to the volume.

1.2 ounces × 91.125 = 109.35 ounces

An expression is shown below (x^4/3)(x^2/3). What is the product of the two factors?

### Answers

**Answer:**

x^2

**Step-by-step explanation:**

(x^4/3)(x^2/3)

When we multiply the exponents with the same base, we add the exponents

x^(4/3+2/3)

x^(6/3)

x^2

￼Can someone please give me the (Answers) to this? ... please ...

I need help….

### Answers

Problem 5

Answer: 300 square inches

------------------

Work Shown:

a = 15

b = unknown

c = 25

a^2 + b^2 = c^2

15^2 + b^2 = 25^2

225 + b^2 = 625

b^2 = 625 - 225

b^2 = 400

b = sqrt(400)

b = 20

The rectangle is a = 15 by b = 20 to get an area of ab = 15*20 = 300 square inches.

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

Problem 6

**Answer:**

**Part A) The area = 48 square inches****Part B) The area = 16*sqrt(2) square inches**

------------------

Work Shown:

Part A)

area = base*height/2

area = 8*12/2

area = 96/2

area = 48

Part B)

a^2 + b^2 = c^2

8^2 + b^2 = 12^2

64 + b^2 = 144

b^2 = 144 - 64

b^2 = 80

b = sqrt(80)

b = sqrt(16*5)

b = sqrt(16)*sqrt(5)

b = 4*sqrt(5)

Therefore,

area = base*height/2

area = a*b/2

area = 8*4*sqrt(5)/2

area = 16*sqrt(2)

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

Problem 7

Answer: 36 cm

------------------

Work Shown:

area = 81

area = x^2

x^2 = 81

x = sqrt(81)

x = 9

The side lengths of the square are 9 cm each.

P = perimeter

P = 4x

P = 4*9

P = 36

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

Problem 8

Answer: 12.5*sqrt(15)

------------------

Work Shown:

The horizontal base of 10 is cut in half to get 5.

a = 5 = horizontal side

b = unknown height

c = 20 = hypotenuse

a^2 + b^2 = c^2

5^2 + b^2 = 20^2

25 + b^2 = 400

b^2 = 400 - 25

b^2 = 375

b = sqrt(375)

b = sqrt(25*15)

b = sqrt(25)*sqrt(15)

b = 5*sqrt(15)

area = base*height/2

area = a*b/2

area = 5*5*sqrt(15)/2

area = 12.5*sqrt(15)

You buy a pair of jeans for $30 and there is a tax of 8%. What is the total cost of the jeans?

### Answers

**Answer:**

32.40

**Step-by-step explanation:**

Hard to explain but there's the answer

Write and solve an equation to find x.

### Answers

**Answer:**

10x+70=180

x=11

**Step-by-step explanation:**

(3x+28)+(5x+52)+(2x-10)=180⁰

3x+28+5x+52+2x-10=180

10x=180-70=110

x=110/10=11

Consider these scenarios. 1. An elephant weighs 1. 5 × 104 units. 2. A mouse weighs 2. 13 × 10-5 units. 3. A puppy weighs 1. 2 × 102 units. Determine the unit of measurement that best represents each scenario. 1. 2. 3.

### Answers

An **ounce unit** will **best represen**t each **scenario.**

The** average weight** of an **elephant** is around 3000-4000 kg.

The** average weight** of a** mouse** = 15-20 grams

The** average weight **of a** puppy =** 25-30kg

It is **given** that

Weight of the** elephant **= [tex]1.5 * 10^5[/tex] units ≈150000 units

Weight of the** mouse **= [tex]6.3*10^2[/tex] units ≈630 units

Weight of the** puppy **= [tex]1.2*10^3[/tex] units ≈1200 units

What is the relation between an ounce and a kg?

**1 ounce = 0.0253495 kg**

150000 ounces = 3800kg, **near to actual value**

630 ounces = 16kg, **near to actual value**

1200 ounces = 30kg, **near to actual value**

Therefore, an **ounce unit **will** best represent** each **scenario**.

to get more about **units of a mass** visit:

https://brainly.com/question/229459

Find the quotient. Write the answer in the simplest form (reduce).

34) 6 * 1 /2 =

35) 3/5 * 1 /4 =

### Answers

6 x 1 = 6 /2 =3. For 6*1/2

3/5 x 1/4 = 3*1/5*4 = 3/20

what should be done to x^2-8xto create a perfect square

a. add 4

b. subtract 4

c. subtract 16

d. add 16

### Answers

**Answer:**

d. add 16

**Step-by-step explanation:**

Take half of the x-term coefficient and square it then add it to the polynomial.

You have x² - 8x

The x-term coefficient is -8.

Half of -8 is -4.

Square -4 to get 16.

Answer: add 16

Plss help if you can

### Answers

**Answer:**

26.93

**Step-by-step explanation:**

The right polygon is the first one scaled down by 1.33 so we can multiply the values on the 2nd one by 1.33 to get the first one.

y+1 = 21*1.33

y+1 =27.93

y=26.93