Oranges cost 21 cent each. alex buy x and Bobby buys (x+2) oranges. The total cost of these oranges is $4.20

Answers

Answer 1
0.21x+0. 21(x+2)=4.20

Related Questions

PLZ HELP ASAP.....Your dad is researching landscaping companies to come put new mulch out for the year. The first company charges $100 just to come out, plus $10 per bag of mulch, m, needed. The second company doesn’t charge to come out but charges $30 per bag of mulch. After how many bags of mulch will the total cost of each company be the same?

Answers

Answer: After 5 bags of mulch, the cost for both companies will be the same.

Step-by-step explanation:

The cost for Company can be represented by the equation: y= 10m+100

The cost for Company B can be represented by the equation: y= 30m

To find the amount of mulch, their cost needs to be the same, I will solve for m

10m+100=30m

-10m 10m

100=20m

Divide both side by 20

100/20=20m/20

5=m or m=5

So after 5 bags of mulch, the total cost for both companies is the same.

Solve for f(2) and f(x+4)
f(x)= 3x^2-4x+7

Answers

Answer:

The answer for f(2) is 11. The answer for f(x+4) is f = 3x^2 - 4x + 7 / x + 4

Step-by-step explanation:

Solve the notable products (1/7x-1/7)

Answers

The Answer is 1/7(x-1)

Find the slope from the graph below.

Answers

Answer:

X=-2 (The slope is - 2/1)

What is 75% of 30 meter

Answers

I think the answer is

22.5 meter

it is because 7.5 meter ×4=30m

so 7.5+7.5+7.5=22.5 m

Please Answer. Identify the vocabulary word that matches the picture. ​

Answers

Answer:

Supplementary Angles

Step-by-step explanation:

When two angles add up to 90º they are complementary, when they add up to 180º they are supplementary.

Drag the tiles to the correct boxes to complete the pairs.
Match each solution to the equation it solves.

Answers

Answer:

the first one is 3

the second one is 7

the third one is -2

and the last one is -3

Step-by-step explanation:

The equation is matched with its solutions below;

1/4x + 5/3x - 4 = 2 - 1/12x; x = 33.2b - 4.7 = 3b - 3.3; b = 74.6y - y + 4 = y - 1.2; y = -27.5c - 2.5c + 8 = - 7; c = -3

What is the solution to the equation?

1/4x + 5/3x - 4 = 2 - 1/12x

combine like terms

1/4x + 5/3x + 1/12x = 2 + 4

(3x+20x+x) / 12 = 6

24/12x = 6

2x = 6

Divide both sides by 2

x = 6/2

x = 3

3.2b - 4.7 = 3b - 3.3

combine like terms

3.2b - 3b = -3.3 + 4.7

0.2b = 1.4

divide both sides by 0.2

b = 1.4 / 0.2

b = 7

4.6y - y + 4 = y - 1.2

combine like terms

4.6y - y - y = - 1.2 - 4

2.6y = - 5.2

divide both sides by 2.6

y = -5.2 / 2.6

y = -2

7.5c - 2.5c + 8 = - 7

5c = -7 - 8

5c = -15

divide both sides by 5

c = -15/5

c = -3

Read more on equation:

https://brainly.com/question/29174899

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Solve for the indicated variable.
8y + 7x = 9 for x

Answers

Answer:

x = 9-8y/7

Step-by-step explanation:

8y+7x=9

Subtract 8y from both sides.

7x=9−8y

Divide both sides by 7.

7x/7 = 9 - 8y/7

​  

 

Dividing by 7 undoes the multiplication by 7.

x = 9-8y/7

​  

 

4X-8 + 6x +13= 90 ¿cual es le resultado ?

Answers

4x - 8 + 6x + 13 = 90
4x + 6x = 90 + 8 - 13
10 x = 85
10x/10 = 85/10
x = 8.5

This is due today and I need some help please!!

Answers

Answer:

Option D is the answer : 8.8 * 10^-5


1 point
Match the inequality symbol with its definition:
VI
Less than or equal to
Less than
Greater than or equal to
Greater than

Answers

Step-by-step explanation:

If it looks like this: < with a line under it then it's called a less than or equal to sign.

If it looks like this: > with a line under it then it's a greater than or equal to sign

Point S is on segment BF such that the ratio of segment BS to segment SF is 1:4. If B has coordinates (-6,7) and F has coordinates (4,2) the coordinates of S are
A. (2,3)
B. (0,4)
C. (-2,5)
D. (-4.6)​

Answers

B. Yeah I might be wrong!!

Simplify by combining like terms 2x + 5 + x

Answers

Answer:

3x+5

Step-by-step explanation:

combine like terms add the variables together, then its simplified

The expression in simplest form is represented as 3x+5

Respondan esto con todo y Procedimiento Plz me ayudaria muchisimo

Answers

Answer: I cant understand what you want think you could put it in English?

Step-by-step explanation:

Help with all these plz!

Answers

Answer:

9    10     10   17   3

Step-by-step explanation:

list the factors of the following
1. 4
2. 9
3. 20
kindly help plz

Answers

Answer:

1. 1, 2, 4

2. 1, 3, 9

3. 1, 2, 4, 5, 10, 20

Step-by-step explanation:

Answer:

1. 8,12,16,20,24, etc , 2 . 18,27,36,45, etc, 3. 40,60,80,100,120,140 etc

Step-by-step explanation:

What is the answer of question 17 in lesson 2.1 translations

Answers

9514 1404 393

Answer:

y = 2x(1, 2)

Step-by-step explanation:

The line representing Murphy street goes through point (0, 3) and has a slope of 2/1 = 2. Its equation is then ...

  y = mx + b

  y = 2x +3

The translation vector transforms this equation* by adding -1 to y, and replacing x with x-1.

  y = (2(x-1)) +3) -1

  y = 2x -2 +3 -1 . . . . eliminate parentheses

  y = 2x . . . . . . . . . . . the equation for Nolan street

__

Of course, adding (1, -1) to the point (0, 3) moves it to ...

  (1, -1) +(0, 3) = (0+1, -1+3) = (1, 2)

The image of (0, 3) is (1, 2).

_____

* f(x) is translated by (a, b) this way: g(x) = f(x-a) +b. Here, f(x) = 2x+3 is translated to f(x-1)+(-1) = (2(x-1) +3) -1.

Which set of numbers could represent the lengths of the sides of a right triangle?

Answers

Answer:

number 4: 8, 15,17

Step-by-step explanation:

This is all just the theorem that a^2+b^2=c^2 so I tried that for all of them and number 4 is the only one that ends as a whole number. Sorry, that wasn't the best explanation but I hope you understood. Just try the theorem on each one like 4(2^2)+9(3^2) doesn't equal 16(4^2)

I need help with this

Answers

this should help just try to use this

DUE TODAY WORTH ALOT OF POINTS!!!! PLEASE HELP!!!

Answers

I’m sorry I can’t see the questions

Hi.
I need to confirm if I am correct .

Approximate the following numbers to :
(I) 1 s.f (one significant figure)
(II) 2 s.f ( two significant figure)
(III) 3 s.f (three significant figure).

(a). 0.004816
(b). 50.00168
(c). 0.0009812​

Answers

Answer:

(a)

1 sig: 0.005

2 sig: 0.0048

3 sig: 0.00482

(b)

1 sig: 50

2 sig: 50.

3 sig: 50.0

(c)

1 sig: 0.0010

2 sig: 0.00098

3 sig: 0.000981

Step-by-step explanation:

Significant Figures Rules:

Any non-zero digit is significant.Any trailing zeros after the decimal is significant.Any zeros between 2 significant digits are significant.Zeroes before significant numbers in the decimal place are NOT significant; they are placeholders.

(a)

0.004816 - the zeros are placeholders, so they do not count as sig figs.

(b)

50.00168 - the zeros are between 2 significant figures, so they do count as sig figs.

(c)

0.0009812 - the zeros are placeholders, so they do not count as sig figs

Triangle ABC has the coordinates A(-3, -2), B(2, 4) and C(2,-2). What is the area of triangle ABC?
square units

Answers

Answer:   The area is 15 square units

Step-by-step explanation:  It is helpful to sketch the coordinates on a graph to get an idea of what the triangle looks like so you can see which side will be the base, and where to get the height. You will see that AB is the hypotenuse, it is a right triangle, so AC can be the base and BC is the height.

Use the differences in x-values of points C & A to get the length of the base:   2-(-3) is 5

Use the differences in y-values of points B & C to get the height:

4-(-2) = 6

Area = bh/2

A = 5×6/2 = 30/2

A = 15 square unts

Please Help!!!

A pair of parallel lines is cut by a transversal:

A pair of parallel lines is cut by a transversal. The interior angle made on the left by the intersection of the upper parallel line and the transversal is divided into 2 parts by a slanting line. One part of this angle is labeled as x, and the other part is labeled as 30 degrees. The interior angle made on the right by the intersection of the lower parallel line and the transversal is labeled as 75 degrees.

What is the measure of angle x?

10 degrees
15 degrees
45 degrees
60 degrees

Answers

15 degree or watt quite not sure

9514 1404 393

Answer:

  45 degrees

Step-by-step explanation:

Alternate interior angles where a transversal crosses parallel lines are congruent:

  x + 30 = 75

  x = 45 . . . . . . degrees

7. Kayla has set aside $105 to spend on books and CDs. Each book b cost $5 and each CD c costs $12. Which inequality could be used to determine how many books and CDs Kayla can buy?

Answers

5b+12c=105    She can buy 21 Books or 8 CDs and 1 book or a variation of both.

preform the indicated operation.
4/11 ÷ 4/9​

Answers

Answer:

0/8

Step-by-step explanation: i tried my best

Answer:

9/11

Step-by-step explanation:

4/11 divided by 4/9=

4/11 x  9/4= 1/11x9=

9/11

Which is the equation of a line that has a slope of 7 and passes through point (2, -3)? O V= 5X-4 O y= 5x-2 1 y = 3x+2 1 Oy=zX+3​

Answers

Answer:

y = 7x-17

Step-by-step explanation:

y=mx+ c

substitute the values,

-3=14+c

c=-17

y=7x-17

What equation do you use to find percent?​

Answers

Answer:

How to calculate the percentage of a number. Use the percentage formula: P% * X = Y. Example: What is 10% of 150?

⭐️ I NEED HELP ASAP: Sam and Joe are brothers. Joe is five less than three times the age of Sam. If the product of their ages is 28, how old are Joe and Sam?

Please explain how you solved it too! Thank you!

Answers

Answer:

joe=6

Sam=11

Step-by-step explanation:

lets see...

i explain 1by1

firstly we know that joe is 5 - 3 x Sam

(read the sentences VERY CAREFULLY)

then, we put Sam as math variable "s"

it will be; 5-3 x S

[tex]5 - 3 \times s[/tex]

the total of their age is 28

[tex]5 - 3 \times s = 28[/tex]

simplify it

it will be 5-S3=28

then you will get 11 right

that will be sam's age

-5 and it will be Joe's age

Omari and his two cousins received the same amount of money to go to the movies. Each boy spent $15. Afterward, the boys had $30.75 altogether. How much money did each boy receive?

Answers

Answer:

Each boy recieved $25.25 each

Step-by-step explanation:

First, you add up all the money the 3 boys spent.

15+15+15=45

Then you add the sum of the equation to the amount all the boys had afterward.

45+30.75=75.75

Finally, you divide that product to 3 boys.

75.75/3=25.25

Therfore the answer is $25.25 each.      

8) A diver is swimming 20 feet below sea level. He sees asea turtle 10 feet below him. How deep is the sea
turtle? Write a mathematical expression to represent
the situation.

Answers

The answer would be 30 ft below sea level
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