When three times a certain number is subtracted from 15, the result is -6. Find the number

Answers

Answer 1

Answer:

x = 7

just let the unknown be x and you multiply x by 3 making it 3x

subtract 3x from 15 equating it with 6

ie

15 - 3x = -6

3x = 15 + 6

3x = 21

divide both sides by 3

Answer 2

Answer:

7

Step-by-step explanation:

Turn the words into algebra

3 times n is subtracted from 15 so 15-3n = -6, so

-3n = -6 - 15

-3n = -21 so n = 7


Related Questions

K anyone help please

Answers

Answer:

Step-by-step explanation:

Given equation is,

a). y = [tex]\frac{6}{x}[/tex]

x        0.5                1            2            3            4              5             6

y       [tex]\frac{6}{0.5}=12[/tex]      [tex]\frac{6}{1}=6[/tex]      [tex]\frac{6}{2}=3[/tex]      [tex]\frac{6}{3}=2[/tex]     [tex]\frac{6}{4}=1.5[/tex]     [tex]\frac{6}{5}=1.2[/tex]     [tex]\frac{6}{6}=1[/tex]

b). By plotting the input-output values on the graph we get the curve as shown in option C.

Therefore, Option C will be the answer.

what is 14/15 - 5/12 written as a decimal ?

Answers

14/15 = 56/60

5/12 = 25/60

56-25=31

31/60

0.51666666666667 or just 0.52

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hope it helps

Help please I will give you the brainliest

Answers

Answer:2

Step-by-step explanation:

Answer:

1/2

Step-by-step explanation:

I beleive thats the awnser but I cant see what the question is.

HELP PLEASE NEED THIS DONE ASAP

Answers

Answer:

I did learn this before I'm not sure, but I think the answer is X x 10 = Y because on the chart for example X= 1 and Y= 10 so whatever number is on Y is basically X multiplied by 10. I hope this helps!

Xx10 is the correct answer

if you multiply x by ten you get y. this means it it the rule. an easy way to figure out the rule is by working through the problem

Someone pls give me the answer?

Answers

Answer:

c

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Y-3=4 what does Y equal ??

Answers

y-3=4

 +3 +3

y=7

Dude, this is easy

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hope it helps

Simplify. |-7(4) + 2(6)|

Answers

Answer:

16

Step-by-step explanation:

algebra x = 3, y=2x and z=3y , whats z?​

Answers

The answer is Z=18. 2x3=6 then 3x6=18

Independent practice question x/8-1/2=-7/2

Answers

You need to put more of the question for me to understand

Answer:

x = -24

Step-by-step explanation:

If you are to solve for x then multiply everything by 2 so

[tex]\frac{2x}{8}[/tex] - 1 = -7 now multiply everything by 8 to get rid of the fraction

2x - 8 = -56, solve for x so 2x = -48 so x = -24

Just number 12 will mark brainly

Answers

C. 1/6 becuase there are six numbers you could possibly land on and it is facing one side up.

Answer:

1/6 becuase there are six numbers you could possibly land on and it is facing one side up.

Step-by-step explanation:

never disobay my math skills

15,30, 60,... Find the 6th term.​

Answers

Answer:

15, 30, 60, 120, 240, 480.

Step-by-step explanation:

You multiply the numbers by 2 to get to the next number.

For example, 15*2 is 30. 30*2 is 60. 60*2 is 120, etc..

Answer:

480

Step-by-step explanation:

In order to find the answer to this question you need to find the rule to the sequence and then add in till you get to the 6th term.

[tex]15,30,60[/tex]

Rule = each term doubles as it goes to the next term

[tex]15,30,60,120,240,480[/tex]

[tex]=480[/tex]

Hope this helps.

PLEASE HELP! Stuck on the question! will give brainly

Answers

Answer: yes

Step-by-step explanation:

i see yes change it

please help, will be greatful!

Answers

Answer:

y is 8

Step-by-step explanation:

First u do 13y-9y=4y

so you then have 4y-5=27

then you plus 5 to 27

u then have 4y=32

then divide 32 by 4

so you will get y=8

the answer is y is equal to 5 because when you move the -5 over to the other side it becomes 27+5 =32 now the 13y-9y=5y

. Identify the slope and y-intercept of the
equation 2x + 5y = 20

Answers

Answer:

Slope: y = [tex]-\frac{2}{5}[/tex]x + 4

Y-intercept: (0,4)

Step-by-step explanation:

This is the answer because:

1) y = mx + b, m = slope and b = y-intercept

2) To find the y-intercept, substitute in 0 for x and solve for y.

Please help me please

Answers

Answer:

A= 5278.34 in ²

Step-by-step explanation:

A= r² × 3.14 (pi)

Radius = Diameter ÷ 2

82 ÷ 2 = 41

41²= 1681

1681 x 3.14 = 5278.34

hope this helps

simplify[-3]-[-5] by using a number line

Answers

Answer: 2

Step-by-step explanation: Add −3 and 5

Solve the equation for b 5= 3/2 (3) + b

Answers

Answer:

The answer is b = 1/2

Step-by-step explanation:

1) Use this rule: a/b × c = ac/b.

[tex]5 = \frac{3 \times 3}{2} + b[/tex]

2) Simplify 3 × 3 to 9.

[tex]5 = \frac{9}{2} + b[/tex]

3) Subtract 9/2 from both sides.

[tex]5 - \frac{9}{2} = b[/tex]

4) Simplify 5 - 9/2 to 1/2.

[tex] \frac{1}{2} = b[/tex]

5) Switch sides.

[tex]b = \frac{1}{2} [/tex]

Therefor, the answer is b = 1/2.

100 points! Mhanifa please help. Look at the picture attached. I will mark brainliest!

Answers

Answer: BC = 54  <kjm=44

Step-by-step explanation:

1st 0ne-

if you look at it as 2 triangles with D being the shared side- I can determine that the angles are congruent (by SSA theorem)

so

6x=9x-27  (by corresponding parts of congruent Theorem)

-3x=-27

x=9

BC- 9(9)-27= 81-27=54

2nd one-

J bisects KJM

4x+6=3x+10

x=4

3(4)+10= 22

4(4)+6= 22

KJM= 22+22= 44

Answer:

Step-by-step explanation:

BD is the perpendicular disector of isosceles triangle DAC

AB=BC

6x=9x-27

3x=27

x=9

BC=9x-27=54

For triangle JKL and JML,

KL=ML

JL=JL

JK=JM from properties of right-angled triangle

So triangle JKL and JML are congruent

<KJL = <MJL

4x+6=3x+10

x=4

<KJL=4*4+6=22

im just begin lazy ok

Answers

Answer:

I am  being lazy too

Step-by-step explanation:

81 x 1 = 81

81 x 2 = 162

81 x 3 = 243

81 x 4 = 324

81 x 5 = 405

81 x 6 = 486

81 x 7 = 567

81 x 8 = 648

81 x 9 = 729

81 x 10 = 810

81 x 11 = 891

81 x 12 = 972

81 x 13 = 1053

81 x 14 = 1134

81 x 15 = 1215

81 x 16 = 1296

81 x 17 = 1377

81 x 18 = 1458

81 x 19 = 1539

81 x 20 = 1620

81 x 21 = 1701

81 x 22 = 1782

81 x 23 = 1863

81 x 24 = 1944

81 x 25 = 2025

81 x 26 = 2106

81 x 27 = 2187

81 x 28 = 2268

81 x 29 = 2349

81 x 30 = 2430

81 x 31 = 2511

81 x 32 = 2592

81 x 33 = 2673

81 x 34 = 2754

81 x 35 = 2835

81 x 36 = 2916

81 x 37 = 2997

81 x 38 = 3078

81 x 39 = 3159

81 x 40 = 3240

81 x 41 = 3321

81 x 42 = 3402

81 x 43 = 3483

81 x 44 = 3564

81 x 45 = 3645

81 x 46 = 3726

81 x 47 = 3807

81 x 48 = 3888

81 x 49 = 3969

81 x 50 = 4050

Which equation represents these values?

Answers

Answer:

I think the answer for this question is B

What is the relationship between Za and Zb?
B
C
bY
X
D
Choose 1 answer:
Vertical angles
Complementary angles
Supplementary angles
None of the above

Answers

I believe it could be A

The relation between the angles a and b is Supplementary angles.

What are Supplementary?

Supplementary angles are those angles that sum up to 180 degrees.

For example, angle 130° and angle 50° are supplementary angles because sum of 130° and 50° is equal to 180°.

Given that, a figure, we need to determine the relation between angles a and b,

a + b = straight line EY

Since, the straight line has angle measurement = 180°,

Therefore,

a + b = 180°

Therefore, according to the definition of the supplementary angles,

a and b are supplementary

Hence, the relation between the angles a and b is Supplementary angles.

Learn more about Supplementary angles, click;

https://brainly.com/question/13045673

#SPJ5

Round off 64.723 to the nearest hundredth

Answers

Answer:

700

Step-by-step explanation:

hope this help hahhshshshshhshshsjdbndnddnxjjd

Pls help me!!! And thank you I don’t understand

Answers

Answer:

the answer is y=1x+(-1) or just 1x-1

Step-by-step explanation:

Please help I'm being timed ...
NO LINKS PLEASE

Answers

Answer:

I think you add them together

27 + 36 = 63

Step-by-step explanation:

HOPE THIS HELPS !!!!!!!!!!!!!!!!!

write the inequality for the graph shown in slope intercept form.

Answers

Answer:

y>2x+5

Step-by-step explanation:

find the y-intercept = 5

slope is 2

the shading is above the intercept and is dotted so that means > and not equal to

The store bought a pair of shoes for $50, and sold it for $80. What percentage was the markup?

Answers

Answer:

Step-by-step explanation:

profit=S.P.-C.P=80-50=30

Profit or percentage markup=30/50×100=60%

60% would be the correct answer.

Guided Practice


Evaluate the expression for a = 5, b = 12, and c = 2.


2b ÷ c + 3a


A.
75


B.
41


C.
29


D.
27

Answers

Answer:

hope help you when we divide 54/2 then answer will be 27

PLEASE HELP ASAP!!

Mark Is using a string attached to a stick to mark off a circular-shaped flowerbed In his garden. If the circumference of
the flowerbed Is 31.4 feet, how long was the string he used? That is, how long is the radius of the circle? (Use 3.14 for 17.)


A. 10 ft
B. 3.2 ft
C. 5 ft
D. 100 ft

Answers

Answer:

C

Step-by-step explanation:

Hey There so the first step of this problem is to find the formula for circumference

[tex]C=2\pi r[/tex]

given some of the values we can form an equation to solve for the radius (r)

[tex]31.4=3.14(2)r\\3.14(2)=6.28\\31.4=6.28r\\\frac{31.4}{6.28} =5[/tex]

so we can conclude that the radius is equal to 5

Answer:

C) 5 ft

Step-by-step explanation:

Equation used: C=2πr

This isn't a hard question once you understand the basics of it. The radius squared by 2 equals the diameter, and other way around. Your going to divide the circumference by the pie (π).

31.4 ÷ 3.14 = 10

Now you'll do 10/2 to equal 5.

In which of the following situations would finding the surface area of an object be the most applicable?

Answers

Hi, you've asked an incomplete question. However, I provided a brief explanation about surface areas.

Explanation:

Surface area is a term commonly used in mathematics, and other branches of science, and it basically refers to a calculation of the total space that an object occupies.

For example, you can find the surface areas of a cuboid using the formula:

[tex]6s^{2}[/tex] where s= side length.

What is the equation of the following line? Be sure to scroll down first to see all answer options.

Answers

Answer:

y=6x

Step-by-step explanation:

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