Help please in 14,15,16,17,18,19,20,21

Help Please In 14,15,16,17,18,19,20,21

Answers

Answer 1
14. [-27, 0, 1.728, 125]
15. [ 18, 15, 13.8, 10]
16. [-3.9, 0, 1.56, 6.5]
17. [9, 0, 1.44, 25]
18. [12, 0, -4.8, -20]
19. [10, 1, 2.44, 26]
20. [64, 25, 14.44. 0]
21. [-22, -4, 3.2, 26]

Related Questions


1) Janet and Miriam each bought a bicycle for $140.
A few months later they both sold it...
Janet sold hers for 30% less than the original price (what she paid for it)
Miriam sold hers for 25% less than the original price (what she paid for
it)
How much more money did Miriam get than Janet?

Answers

Answer:

$7

Step-by-step explanation:

JANET:

140 * 0.7 = 98

MIRIAM:

140 * 0.75 = 105

105-98=7

if a square has an area of 324 ft what is the length of each side

Answers

Answer:

162

Step-by-step explanation:

324/2 because a square has sides that are all equal, so the area is 2 times the length of a side

Answer:

18 ft.

Step-by-step explanation:

area = L²    where area = 324 ft²

324 = L²

L = √324

L = 18 ft.

Write the equation of the line that passes through the points (-6, 9) and (0, -9).
Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal
line.

Help‼️

Answers

Answer:

slope(m)= -3

Step-by-step explanation:

What is the equation of the line that has a slope of -6/5 and goes through the point (5, -4)?

Answers

Answer:

Step-by-step explanation:

Given

slope =6/5

point =(5, -4)

So

the equation of the line =

(y-y1)=m(x-x1)

Where X1=5,y1=-4,m=6/5

Put the values

(Y+4)=6/5(x-5)

5(Y+4)=6(x-5)

5y+20=6x-30

5y-6x=-30-20

-6x+5y=-50

6x-5y=50.

So the equation of the line is 6x-5y=50.

A square with a side length of 4 inches is dilated by a scale factor of 3/2. What is the length of a side of the dilated
square?

Answers

The answer is 6 inches

Rewrite the product as a power: [tex]x^{7} y^{7}[/tex]

Answers

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

[tex] {x}^{7} {y}^{7} = ({x \times y})^{7} = ({xy})^{7} [/tex]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Answer: ❤️❤️(x*y) 7

=(xy) 7

Help plz:))) I’ll mark u brainliest
ASAP!!!

Answers

What do you need help with?

Geometry help don’t take points if I get 70%+ I’ll give some away!!

Answers

The answer is x = 30

4. 6x + 2x - 3
help lol i was absent when we learned this and i’m clueless

Answers

Answer:

8x - 3

General Formulas and Concepts:

Order of Operations: BPEMDAS

Step-by-step explanation:

Step 1: Define expression

6x + 2x - 3

Step 2: Simplify

Combine like terms:          8x - 3

I need help with both of these

Answers

Answer:

12) 0.01 meter

13) B is the correct

Step-by-step explanation:

What is the tip answer?

Answers

Answer:

100.60

Step-by-step explanation:

15% of 87.48 is 13.12

[tex]a/87.48[/tex] x [tex]15/100[/tex]

cross multiply, you get 13.12

add up 13.12 and 87.48, you get 100.60

Whats 9+10? Sjjsmslaisusbemkdd

Answers

Answer:

21 jk its 19

Step-by-step explanation:

Select all true statements:
Distributive property is multiplication of one term with many terms.
Distributive property is how to solve expressions in the form of 'a(b+c)"
Apply the distributive property requires me to multiply first, before doing addition.
a(b+c) = a(b) + ac)

Answers

Answer:

im almost 100% sure that all apply

Step-by-step explanation:

Answer:

Distributive property is how to solve expressions in the form of 'a(b+c)"

and

Apply the distributive property requires me to multiply first, before doing addition.

a(b+c) = a(b) + ac)

For those who are good with equations....(unlike me when it comes to this)

Answers

Answer:

a = 5

Step-by-step explanation:

When the coefficients of the variables are equal with different constants, then you will get an equation which is never true.

For this particular equation, when a on the right side has a coefficient of 5, you will get the equation: 4(a - 2) + a = 5a - 4.

When you distribute the factors in the parenthesis and add the like terms of a together, 4(a - 2) + a will become 5a - 8. This is because 4(a - 2) + a = 4(a) + 4(-2) + a = 4a - 8 + a = 5a - 8.

Now when you simplify 5a - 8 = 5a - 4 by subtracting 5a from both sides, you will get an equation with unlike constants. For instance 1 = 0.

Now:

5a - 8 = 5a - 4

-5a -5a

-8 = -4

This is never true, so therefore, there is no solution.

Answer:

It is 5

Step-by-step explanation:

What is the value of the underlined digit?

5,682, 450,003

A. eighty thousand
B. eighty million
C. eighty-two million
D. eighty billion

Answers

There’s none underlined but I’m guessing you mean by Letter C being the answer.

Pls help me I need help

Answers

Answer:

$4.80 per square foot

Step-by-step explanation:

1200 ÷ 250 = 4.8

Hope this helps. Pls give brainliest.

Pierre, an art dealer, earns 25% commission of the art pieces he sells. He earned $10,800 this month. What is the total amount of the art pieces he sold?

Answers

Answer:

2700

Step-by-step explanation:

25 percent of 10800 is 2700. hope this helped, this was a bit rushed!xx

Answer:

sry I need points

Step-by-step explanation: If you hadn't done it to me I wouldn't do it to you

What is the value of x?
What is the value of y?​

Answers

answer:

y=4

Step-by-step explanation:

given

DG=GF

10y-4=7y+8

3y-4=8 (subtract both side by 7y)

3y=12 (add both side by 4)

y=12/3

y=4 (ans)

Tom have 47 quaters his dad gave him 14 how many top have in all

Answers

Answer:

61 or 33

Step-by-step explanation:

47+14=61 or 47-14 =33

Answer:

I can help

Step-by-step explanation:

Quarters in help is 61 but in money its $16. Hope this helps.

Yo could someone help...

Answers

Answer:

42

Step-by-step explanation:

2(4x+2)=4x+44 THE MIDSEGMENT IS ALWAYS HALF OF THE BASE

8x+4=4x+44

4x=40

x=10

4(10)+2

40+2

42 Hope this helped!

HELP PLZ ILL GIVE U BRAINLY THINGY IF CORRECT

Answers

Answer:

1 and 8 are parallel

5 and 14 are not parallel

2 and 3 are paralell

Step-by-step explanation:

help me someone solve this​

Answers

It’s b because the line passes through the y-axis at 1.

de un numero se sabe que si a su cuadrado le restamos su mitad, se obtiene el mismo numero, Cuál es?

Answers

Answer:

2

Step-by-step explanation:

el 2 al cuadrado es 4 si le restas su mitad(2) tu resultado seria 2

Answer: 2

Step-by-step explanation : el 2 al cuadrado es 4 si le restas su mitad(2) tu resultado seria 2    Espero que ayude Ten un día maravilloso :)

h(n)=2n-1; find h(3y)

Answers

Answer:

The speed of a wave depends on the characteristics of the medium. For example, in the case of a guitar, the strings vibrate to produce the sound. The speed of the waves on the strings, and the wavelength, determine the frequency of the sound produced. The strings on a guitar have different thickness but may be made of similar material. They have different linear densities, where the linear density is defined as the mass per length,

μ

=

mass of string

length of string

=

m

l

.

In this chapter, we consider only string with a constant linear density. If the linear density is constant, then the mass

(

Δ

m

)

of a small length of string

(

Δ

x

)

is

Δ

m

=

μ

Δ

x

.

For example, if the string has a length of 2.00 m and a mass of 0.06 kg, then the linear density is

μ

=

0.06

kg

2.00

m

=

0.03

kg

m

.

If a 1.00-mm section is cut from the string, the mass of the 1.00-mm length is

Δ

m

=

μ

Δ

x

=

(

0.03

kg

m

)

0.001

m

=

3.00

×

10

5

kg

.

The guitar also has a method to change the tension of the strings. The tension of the strings is adjusted by turning spindles, called the tuning pegs, around which the strings are wrapped. For the guitar, the linear density of the string and the tension in the string determine the speed of the waves in the string and the frequency of the sound produced is proportional to the wave speed.

Hope it is helpful to you

please help me. It's urgent​

Answers

Answer:

a) 7/5

Step-by-step explanation:

[tex]y-\frac{y-1}{2}=1-\frac{y-2}{3} \\Through\ the\ butterfly\ method\ of\ resolving\ denominators\ ,\\\frac{2y-(y-1)}{2} = \frac{3-(y-2)}{3} \\\frac{2y-y+1}{2} = \frac{3-y+2}{3} \\\frac{y+1}{2} =\frac{5-y}{3} \\3(y+1)=2(5-y)\\3y+3=10-2y\\3y+2y=10-3\\5y=7\\y=\frac{7}{5}[/tex]

Will give Brainlyest answer!

Answers

Answer:

c

Step-by-step explanation:

Solve by making a proportion. If seven movie tickets cost $57.40, how much would 5 tickets cost?

PLSSS i need help

Answers

Answer: $41

work out what one ticket is:

$57.40/7=$8.20

and then multiply by 5

$8.20*5=41

Answer:

$41

Step-by-step explanation:

How many solutions does the following equation have?
7(y + 3) = 5y +8
Choose 1 answer:
A
No solutions
B
Exactly one solution
Infinitely many solutions

Answers

Answer:
Exactly one solution

Explanation:
The first step we need to take to find the answer is to find the value of y.

7(y+3)=5y+8
Expand the parentheses
7y+21=5y+8
Subtract both sides by 21
7y+21-21=5y+8-21
7y=5y-13
Subtract both sides by 5y
7y-5y=5y-13-5y
2y=-13
Divide both sides by 2
2y/2=-13/2
y=-6.5

Now, we plug y back into the original equation.

7(y+3)=5y+8
7(-6.5+3)=5(-6.5)+8
Expand the parentheses
-45.5+21=-32.5+8
-24.5=-24.5

Because both sides of the equation is equal and the equation is true, we can conclude that the equation has one solution.

I hope this helps!

1.) Use the following information to solve the questions. Kay sold 200
tickets for her school auction. Adult tickets cost $8 and child tickets cost
$5. Kay collected $1,225 in all. How many tickets did Kay sell?
8
5
200
O 1,225

Answers

9514 1404 393

Answer:

75 adult tickets125 child tickets

Step-by-step explanation:

Let 'a' represent the number of adult tickets sold. Then (200-a) is the number of child tickets sold, and the revenue is ...

  8a +5(200 -a) = 1225

  3a = 225 . . . . . . . . . . subtract 1000, simplify

  a = 75 . . . . . . . . . . . . .divide by 3

  200 -a = 125

75 adult ($8) and 125 child ($5) tickets were sold.

__

Additional comment

The question asked here is "how many tickets did Kay sell?" The second line of your problem statement tells you the answer: "Kay sold 200 tickets ...". We have assumed that you are interested in the breakdown of tickets sold, even though that is not the question that is asked here.

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What is the coefficient of the second term in this expression?
a2c3+a3c+1+ac2

Answers

Answer:

1

Step-by-step explanation:

I assume the term is , and since there is no visible coefficient the coefficient is implied to be 1

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