Mathematics High School

On subtracting 6 from three times of a number, we get 15. Then the number is

Answers

Answer 1

Answer:

Step-by-step explanation:

If we take the number as 7 so 3 times 7 is

3 x 7 = 21

Subtracted by 6 = 21 - 6= 15

So the number is 7

Answer 2

Answer:

Step-by-step explanation

Add the subtracted value to the other given value

15+6=21

Since we know it is 3 times the number, divide by 3 to get the number

21/3=7

Check:

21=3x7

21=21

Related Questions

What is the value of 3-(-2)?
A. 0 -5
B. -1
C. 0_1
D. 5

Answers

3-(-2)
= 3-(-2)
= 3 + 2
= 5
The Answer is 5

some one help me plz asap!!!!!!!!!!!!!!!!!!

Answers

Answer:

g+(h+j)+k

(g+h)+ j+k

Step-by-step explanation:

these are the answers

hope it helps

for any question comment me ❤❤❤

all men get ready november 1st is in 6 day and we not all going to survive i wish luck to u all

Answers

Answer:

The same right back at you

Step-by-step explanation:

What is the lower quartile? (CAN ANYONE PLEASE HELP:))

Answers

my guess would be 11 or 12 but i’m not 100% sure but hope this helps

Answer:

the answer to that is 12

Step-by-step explanation:

1st, arrange the numbers from lowest to highest

2nd, group them into quarters

= 11, 12, 16, 16, 17, 18, 20

-lq. -mq. -uq.

Describe three situations in which rounding could come in handy.

Answers

Answer:

1. They help you with estimation

2. It makes numbers simpler and easier to do

3. Makes mental maths much quicker

Algebra sucks tbh but can anyone help ?

Answers

Answer:

Step-by-step explanation:

count how many 3's there are (1)

3^1

3^1 simplifies to just 3

count how many x's there are (4)

3x^4

count how many y's there are (4)

3x^4y^4

Answer:

The answer is Letter A

Explanation:

It's because based on the given formula there is only one 3 four x and four y , so the 3 remains itself and x raise fo four as well as y so Letter A

Find the sum or the difference a. -2.63+3/1/4

Answers

Answer:

-1.88

Step-by-step explanation

Put both terms in decimal form. -2.63 is already in decimal form, so, you only have to put 3 1/4 in decimal form.

So, -2.63+0.75=-1.88

5 ( 3x - 2) = 4 ( 2x + 1)

Answers

Answer:

15x-2=8x+1

13x=9x

i think that's correct im not sure but i hope to help u :)

5(3x-2)=4(2x+1)
(15x-10)=(8x+4)
7x-10=4
7x=14
X=2
Explanation:
I multiplied everything inside the parenthesis by the number on the outside, making the equation 15x-10=8x+4, then I combined like terms, so I subtracted 8x on both sides and added 10 to each side, making the equation 7x=14, this means that 14/7 and 7/7 is the last step, which leaves you with the answer of x=2

Solve inequality 5-3(4x-5)<32

Answers

Answer: x > -1

Step-by-step explanation:

1) Subtract 5 from both sides

-3(4x - 5) < 27

2) Divide both sides by -3 (Remember to change the inequality sign to face the other way, because you have multiplied/divided by a negative number)

4x - 5 > -9

3) Add 5 to both sides

4x > -4

4) Divide by 4 on both sides

x > -1

Evaluate the expression (x - y)^2 – x when x=3 and y=8

HELP PLEASE‼️‼️

Answers

Answer:

Step-by-step explanation:

Step 1: fill in the equation

(3-8)^2-3

Step 2: simplify

= -5^2-3

= 25-3

Step 3: solve

= 22

Answer:

This would change into (9 - 64) - 3 which would change to, -55 - 3 = -58

Step-by-step explanation:

Hope this helped!

In the diagram, which of these must be true

Answers

Answer:

XYN is a right angle

explanation:

The correct answer is that Xyn is a right angle

In the figure shown, lines 1 and 2 are parallel. The figure shows two diagonal parallel lines Italic l 1 and Italic l 2 and a horizontal line Italic l 3 cuts the two diagonal lines at different points. On the intersection point on the left, the angle formed on the top left portion is labeled as 1, the angle formed on the top right portion is labeled as 2, the angle formed on the bottom left portion is labeled as 5, and the angle formed on the bottom right portion is labeled as 6. On the intersection point on the right, the angle formed on the top left portion is labeled as 3, the angle formed on the top right portion is labeled as 4, the angle formed on the bottom left portion is labeled as 7, and the angle formed on the bottom right portion is labeled as 8. The sum of the measures of angles 4 and 5 is 150 ° . What is the measure of angle 1?
A. 30 °
B. 75 °
C. 105 °
D. 115 °

Answers

Hi hi I hope you know that I was wondering

Bob makes a drawing of the flowers he wants to plant that has a scale of 5 cm for each meter. If the flower planting will be 15 m long, how long is the drawing of the planting?

Answers

Answer:

it would be 75 Centimeters long

Find m21.
103°. 13° 77°. 26°

Answers

If you mean find the one that has the number 1 on it your answer is 13.
90+77+x=180
167+x=180
X=13

The soccer team and the American football team are sharing the field for their practices today. The
soccer team meets for practice every 2 days, and the American football team meets every 4 days. How
many days from now will they have to share the field again?

Answers

Answer:

Step-by-step explanation:

We can find the LCM of the 2, being 4.

Answer: 4 days later

The soccer team goes every two days. The American football team goes every 4 days.

After one time of soccer practice, next time the football team will be there.

The football team goes every four days, so after one day of soccer practice, the Football team has to share the field.

EMERGENCY! PLEASE ANSWER ASAP!

Answers

The answer is definitely the first one because the exponent inside the parentheses (2) was multiplied by 4 so the answer became 3 to the power of 8.

Hope this helps :)

what is 10 to the power of -8

Answers

Answer:

[tex]\frac{1}{100000000}[/tex]

I hope this helps!

Answer:

1e-8

Step-by-step explanation:

Find the zeros of r(x) = 8x2 + 4x +5.

Answers

Answer:

x= -21/4

Step-by-step explanation:

3x-2y=10 solve for y

Answers

Answer:

y = 3 /2 x − 5

Step-by-step explanation:

It's hard to write out an explanation for this one but you could also plug it into an algebra calculator to check mine and your answer :))

Walter is making a 300-mile trip from Wichita Falls, Texas to Austin, Texas. After the first 120 miles, he continues driving at 65 mph.

If the equation 120+65x=300 is used to describe this situation, what does the " x " represent?

Answers

Answer:

distance left

Step-by-step explanation:

anyone who can help?
I’ll give you the 35 points.

Answers

Answer: sqrt[9^2 + {1.85*9.00/0.60}^2] m = 29.0 m

Find the coterminal angle between 0 and 360°of the angle -280°

Answers

Answer: So, the coterminal angle of 450° is -90°.

Step-by-step explanation:(i) 395°

Write 395° in terms of 360°.

395° = 360° + 35°

So, the coterminal angle of 395° is 35◦

(ii) 525°

Write 525° in terms of 360°.

525° = 360° + 165°

So, the coterminal angle of 525° is 165°.

(iii) 1150°

Write 1150° in terms of 360°.

1150° = 3(360°) + 70°

So, the coterminal angle of 1150° is 70°.

(iv) -270°

Write -270° in terms of 360°.

-270° = -360° + 90°

So, the coterminal angle of 270° is 90°.

(v) -450°

Write -450° in terms of 360°.

-450° = -360° - 90°

So, the coterminal angle of 450° is -90°.

Stephen, Gavin and Jim share some sweets in the ratio 3:1:2. Stephen gets 24 sweets. How many sweets are there altogether?

Answers

Answer:

Step-by-step explanation:

Stephen : Gavin : Jim

3 : 1 : 2

We can say that this means the total amount of sweets get split between the 3 of them into 6 equal parts ( 3 + 1 + 2).

If Stephen gets 24 sweets, this means

3 parts = 24

So to find 1 part, divide 24 by 3.

1 part = 8 sweets

Now we can find the total by multiplying this by 6.

6 parts = 8 x 6 = 48 sweets.

-0.2x-5/6 i need help

Answers

Answer:

Step-by-step explanation:

I think I'm not for sure

Triangle ABC has vertices at A(2 , 2), B(4, 7), and C(6, 2). Classify the triangle according to the side lengths.

Answers

Answer

the triangle is a triangle

Step-by-step explanation:

Answer:

Equilateral triangle

Step-by-step explanation:

What is the circumference of the following circles? r=5 what is the units? _____Units

Answers

Answer:10pi

Step-by-step explanation:

2pi(r)

Which numbers are irrational?
144 , 15 , 81 , 54

Answers

15 and 54 are irrational.

Find the distance between the points ( 1, 4 ) and ( -2, -1 )

Answers

1- (-2) = 3
4- (-1)= 5

3/5 is the slope to find the distance

A triangle has two equal sides and two angles whose measures are 35° each.
Find the measure of the third angle and classify the triangle.
Your answer:

Answers

The answer is “Right and Isosceles”

The other measure of the angle is 110 degrees.

1. 8x+15=dx-20

2. 12(7+2y)=4y-(3-ty)

3. 15+x(3t-4)=8(-2t+11)

:) answer all for brainliest

Answers

8x+15=dx-20

8x+15+20=dx

8x+35=dx

d=8x+35 /x

12(7+2y)=4y-(3-ty)

12(7+2y)=4y−3+ty

12(7+2y)−4y=−3+ty

12(7+2y)−4y=ty−3

12(7+2y)−4y+3=ty

t= 12(7+2y)−4y+3 /y

15+x(3t-4)=8(-2t+11) SOLVING FOR X

15+x(3t-4)=8(-2t+11)

x= 8(−2t+11)−15 /3t−4

x= −16t+73 /3t−4

Hope this helps!God bless you and have a wonderful day!

Answer:

Step-by-step explanation:

Give the other guy brainiest

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