Randy is thinking of a number. When he adds 7 to the number, multiplies the sum by 3, then subtracts 2, the result is 13. What is the original number?
A. 6
B. -2
C. 2
D. -6

Answers

Answer 1

Answer:

B. -2

Step-by-step explanation:

let the number be x

=7+x

=3(7+x)

=3(7+x)-2

13=3(7+x)-2

solving for  x we have

13=21+3x-2

21+3x-2-13=0

collect like terms we have

21-2-13+3x=0

6+3x=0

6=-3x

x=6/-3

x=-2

The answer is B

B. -2


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purchase?

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Sour Patch Kids, how much money will
Nicholas have left of his allowance?​

Answers

Answer:

can you comment the real question because this is just gibrish

Step-by-step explanation:

The square of 356 is 126,736 and the square of 357 is 127,449. What is 3582? Try to solve this problem without multiplying. Show your work.

Answers

Answer:

The problem to get 358² is solved by adding 357 twice and then add 1 to the value of 357²

Step-by-step explanation:

The given information are;

The square of 356 = 126,736

The square of 357 = 127,449

We note that 357² = (356 + 1)² = 356² + 2×356 + 1 = 126,763 + 712 + 1 = 127,449

We can write the above equation as follows;

357² = (356 + 1)² = 356² + 356 + 356 + 1 = 126,763 + 712 + 1 = 127,449

357² = 127,449

Similarly, we have;

358² = (357 + 1)² = 357² + 357 + 357 + 1 = 128,164

358² =  128,164

We can also look at the question as forming squares with tiles

To form the square tile with 358 units per side, we add an extra row and column of 357 tiles each. Completing the figure with an extra tile at the top right or left corner

Therefore, the area of the 358 unit per side square = The area of the 357 unit per side + 357 + 357 + 1 =  128,164

True or false? You can rely solely upon induction to prove that your conclusion is correct

Answers

Answer:

false

Step-by-step explanation:

Answer:

false you will need more info

Step-by-step explanation:

Please help i dont understand

Answers

Answer:

5

Step-by-step explanation:

find the measure

M of r = 75°
Xy = 6
M of x = 55°
M of s = 50°
Because the triangles are congruent the corresponding angles are also going to have congruent measures but I’m not sure if 6 is the right answer for the measure of XY because I took geo last year so it might not be right

Timothy has three buckets shaped like cylinders. He is filling the buckets with water using a scoop shaped like a cone. If the scoop and the bucket have the same height and radius, how many scoops will it take him to fill the buckets using the scoop? *

Answers

3-5 is ur answer lol

please please help me i dont know

Answers

Answer:

O-O omg i feel u i have like the same question

Step-by-step explanation:

sorry couldn't help

Answer:

Hello! I'm pretty sure you aren't expecting an answer now. If no one else answers the points would be lost so I'm answering right now. If you were, I'm really sorry and you can report this answer so that it gets deleted and another person can answer! :)

please help me quickly the question is on the image

Answers

I’m not 100% sure but I think it’s y=5x+20

Shanice's Bakery makes two types of wedding cakes: Pink cake, which sells for $30, and Yellow cake,
which sells for $35. Both cakes are the same size, but the decorating and assembly time required for the
Pink cake is 2 hours, while the time is 3 hours for the Yellow cake. There are 420 hours of labor available
for production. How many of each type of cake should be made to maximize revenue?

Answers

Answer:

210 Pink cakes and 0 Yellow cakes

Step-by-step explanation:

Since the Yellow cake takes about %33.3 more time to prepare but only about %16.6 more revenue, it's always more profitable to make Pink cakes.


[tex] \frac{100}{1} = {10}^{x} [/tex]

Answers

The answer to your question is x=10

Find the area of the shape

Answers

Answer: 117(measuring unit)squared
Explanation: Length times width (9 times 13)

.
If a shape is a square, then it is a rhombus.

Answers

Answer:

Yes every square is a rhombus, but not every rhombus is a square

Step-by-step explanation:

Simply the expressions
n-7-4n​

Answers

Answer:

-3n-7

Step-by-step explanation:

n-7-4n

and then u combine like terms and u get

-3n-7

Answer:

-3n-7

Step-by-step explanation:

n also means 1n

HHHHHHEEEEEEEEELLLLLLLLLPPPPPP

Answers

Answer:8 over 4

Step-by-step explanation:

Rise over run

The area of a parallelogram is 42 square inches. The base of the parallelogram is 6 inches. What is the height of the parallelogram? EXPLAIN how you can use the formula for the area of a parallelogram to solve the problem.

Answers

Answer:

7

Step-by-step explanation:

to find an area of a parallelogram, you have to multiply the width by height. to do the opposite, simply divide 42 to 6 to get 7

Questions in the photo. Please HELP!

Answers

Answer:

Step-by-step explanation: its a

Answer:

No,

No

because every line has to equal 180. (for both of them)

10 points
1. The retail price of an electric toothbrush is $40. What is the price after
a markdown of 30%?*

Answers

Answer:

The answer is 12

Step-by-step explanation:

The price of stock market in at 9 AM was 13.17 then the price has been increasing at a rate of 0.11 each hour at noon the price of stuff he was 13.67 it begins to decrease at the rate of 0.12 each hour if the two rates continue and how many hours were the prices of the two stocks with the same

Answers

Answer:

2.26 hours

Step-by-step explanation:

Given that:

Stock 1:

Initial price = 13.17

Rate of increase = $0.11 per hour

13.17 + 0.11h - - - (1)

Stock 2 :

Initial price = 13.69

Rate of decrease = 0.12 per hour

13.69 - 0.12h - - (2)

13.17 + 0.11h = 13.69 - 0.12h

0.11h + 0.12h = 13.69 - 13.17

0.23h = 0.52

h = 0.52 / 0.13

h = 2.26 hours

What is the result when x4 – 723 – 13x2 – 2x + 7 is divided by x + 1? If there is
r(2)
a remainder, express the result in the form q(x) +
b(a):

Answers

can you post a picture please!

what is the answer??


Answers

Answer:   x = -3 + √3     or     x = -3 - √3

Step-by-step explanation:

X²+6x+6

now breaking 6x into 2x and 3x we get ,

X²+3x+2x+6

taking x common and 2 common we get ,

x(x+3)+2(x+3)

taking (x+3) common

(x+3) (x+2)

so comparing with zero to get values of x ,

either

x+3=0

x=-3

or x+2=0

x=-2

I need some help with geometry.

Answers

Answer:

x = 17, angle 1 and 2 = 45

Step-by-step explanation:

i think x=17 but i’m not sure


[tex] \sqrt{47} [/tex]
whats the answer

Answers

Step-by-step explanation:

[tex]\sqrt {47}[/tex]

If this is to Approximate the value it would be 6.85556 (can I Define your question )

Samantha paid $10 to join an online book club. Then she paid $3 per e-book that she read. She has spent more than $40. How many e-books did she read? Show how you would set the problem up and the answer. * Your answer Submit Jer submit passwords through Google Forms. This form was created inside of River Grove School District 85.5. Report Abuse​

Answers

Answer:

13/13.3 or 10

Step-by-step explanation:

You said she paid $10 to join, if she spent at least $40, then we subtract 10, then divide 30 by 3 then you would get 10.

If we don't have to subtract and she spent around $40 on only books, it would be 13/13.3

A triangle has sides with lengths of 42 millimeters, 43 millimeters, and 58 millimeters. Is it a
right triangle?

Answers

Answer:

No

Step-by-step explanation:

42 x 42 = 1764

43 x 43 = 1849

1764 + 1849 = 3613

and the sqaure roof of 3613 is 60.11

60.11 does not equal 58

so no it is not a right triangle

Question 13
Find the value of x.

Answers

We need some more numbers to answer this.

Rhianna was doing research for a report about the highest mountains in the United States. She read that the Grand Teton in Wyoming is about 1.37 × 104 feet high. How should Rhianna write the height of the Grand Teton in standard form on her report?

Answers

Answer:

1.37 × 10⁴ feet

Step-by-step explanation:

Standard form is a way or method used in mathematics to write very large or very small numbers in a compact form by raising them to the power of 10 (exponents)

She read that the Grand Teton in Wyoming is about 1.37 × 10⁴ feet high.

The standard form of writing this height = 1.37 × 10⁴ feet.

Answer:

the short answer would be A

Step-by-step explanation:

4. Two times a number added to another number is 25. Three times the first number minus the other number is 20. Find the two numbers.

Answers

Answer:9 & 7

Step-by-step explanation:

Let x be the first number and y be the second.

 

2x + y = 25

3x - y =20

 

1) Add them together.

 

5x = 45

x = 9

 

2) Solve for y.

 

2(9) + y = 25

y=7

 

3) Check your work on the other equation.

 

3(9) - (7) = 20

27 - 7 =20

20 = 20

Last week, a GameStop store sold some $43 games and some $30 games for a total of
$485. What was the total number of games sold?
Explain your reasoning.

Answers

Answer: The total number of games sold by the GameStop is 14. That is 5 games of $43 and 9 games of $30.

Step-by-step explanation:

Considering some games of $43 were sold and others for $30 were also sold in arriving at the total of $485 sold.

If 5 games of $43 were sold it gives $215.

To get the difference, you subtract the amount sold for $43 from the total.

$485 - $215 = $270

To arrive at how many $30 games were sold;

$270 ÷ $30 per game = 9 games

Therefore, 5 games of $43 combined with 9 games of $30 gives a total of 14 games.

Which of the following best describes the English expression fourteen less
than the quantity of a number plus one?
A. (1 - x) +14
O B. 4 - 1
O C. (x + 1) - 14
D. (x - 1) +14

Answers

Answer:

c

Step-by-step explanation:

The sum of three numbers is 79. The sum of five times the first number and two times the
second number increased by the third number is 859. Two time the first number, increased by
three times the second number plus nine times the third number is 498. Write a system.

Answers

Answer:

(x+y+z)=79

5x+2y+z=859

2x+3y+9z=498

Step-by-step explanation:

Its writing 3 different equations that have the same value for the same variable.

need help, plz answer

Answers

Answer:

55 r5

Step-by-step explanation:

Answer:

390/7=55 with a remainder of 5.

Step-by-step explanation:

we can get this answer by subtracting fifty-five sevens from three-hundred ninty.

390-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7=5

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