When
When 7 is subtract from three times a certain number the result is 28 what is the number

Answers

Answer 1

Answer:

x=49

Step-by-step explanation:

you replace the unknown with a variable (x)

you subtract 7 three times, so it x-7-7-7=28 or x-21=28

you add 21 to both sides, then you get x=49


Related Questions

This triangle is being rotated. The square where the three triangles meet is called the

Answers

Answer:

center point

Step-by-step explanation:

use quizlet

HELP ASAP PLEASE!!!
what is the equation of the line that passes through the points (11, - 4) and (13,- 7) in slope-intercept form?
answer choices shown in picture

Answers

Answer:

E. None of these

Step-by-step explanation:

Points: (11, -4), (13, -7)

slope = m = (y2 - y1)/(x2 - x1) = (-7 - (-4))/(13 - 11) = (-7 + 4)/2 = -3/2

y - y1 = m(x - x1)

y - (-4) = (-3/2)(x - 11)

y + 4 = (-3/2)x + 33/2

y + 8/2 = (-3/2)x + 33/2

y = (-3/2)x + 25/2

Answer: E. None of these

Step-by-step explanation:

A(11,-4) B(13,-7)

x1 y1 x2 y2

y=mx+c

-4=11m+c -(i) -7=13m+c -(ii)

Subtract equation (ii) from (i)

-7=13m+c

-4=11m+c

+ - -

-3=2m

2m=-3

m=-3/2

put m=-3/2 in equation (ii)

-7=13*(-3/2)+c

c=-7+39/2

c=(-14+39)/2

c=15/2

y=mx+c

y=-3/2x+15/2

y=(-3x+15)/2

2y=-3x+15

2y+3x-15=0

Chris and his crew can build 7 stone fireplaces in 3 days. At this rate,how many fireplaces can Chris and his crew build in 11 days? Round your answer appropriately.

Answers

Answer:

o

Step-by-step explanation:

The principal spent $500 to buy new classroom materials. 40% of the money he spent went towards pencils. How much money did the principal spend on pencils?

Answers

Answer:

$200

Step-by-step explanation:

Rylan is hiking in Death valley. He starts at an elevation of 250 feet above sea level and hikes to an 2300 above sea level. How much did his altitude change?​

Answers

Answer:

250+2300=2350

If one inch represents 65 miles
on a map, how many inches will
represent 1,885 miles?

Answers

Answer:29

Step-by-step explanation:

1885/65

Breannas cat weighs 3200 grams. Her neighbors cat weighs 4.68 kilograms. What is the difference, in grams, of the weights of two cats

Answers

Answer:

1480 grams.

Step-by-step explanation:

3200 grams = 3200/1000

= 3.2 kgs.

Difference in weight = 4.68 - 3.20

= 1.48 kgs

= 1480 grams.

Answer:

3,200g  - 4.68kg = 1480

Step-by-step explanation:

4.68k g = 4,680 g

1 kg = 1,000 g

4,680 - 3,200 = 1480

Maya is going to an amusement park. The price of admission into the park is $10, and
once she is inside the park, she will have to pay $2 for every ride she rides on. How
much money would Maya have to pay in total if she goes on 15 rides? How much
would she have to pay if she goes on r rides?
Cost for 15 rides:
Cost for r rides:

Answers

Answer:

15 rides= 40 and r rides= 10+2r

Step-by-step explanation:

9x+7 when x+3

and

x4 when x =3
pls do step by step

Answers

Answer:

34

Step-by-step explanation:

9x+7 when x=3

Plug 3 into the equation for the variable x

So, it would be 9(3)+7

Multiply 9×3 together to get 27

Finally, add 27 and 7 together

The answer should be 34

Answer:

x=1

Step-by-step explanation: 9x+7=16

Subtract 7 from both sides.

9x=16−7

Subtract 7 from 16 to get 9.

9x=9

Divide both sides by 9.

​Divide 9 by 9 to get 1.

x=1

Find the distance from (-3,-1) to (2, 11).

Answers

Answer:

13

Step-by-step explanation:

Use the distance formula to find the distance between points

[tex] (x_1, y_1) [/tex]  and  [tex] (x_2, y_2) [/tex].

Distance formula:

[tex] distance = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} [/tex]

We have [tex] x_1 = -3, y_1 = -1, x_2 = 2, y_2 = 11 [/tex].

[tex] distance = \sqrt{(2 - (-3))^2 + (11 - (-1))^2} [/tex]

[tex] distance = \sqrt{(2 + 3)^2 + (11 + 1)^2} [/tex]

[tex] distance = \sqrt{5^2 + 12^2} [/tex]

[tex] distance = \sqrt{25 + 144} [/tex]

[tex] distance = \sqrt{169} [/tex]

[tex] distance = 13 [/tex]

WILL MARK BRAINLIEST PLEASE HELP
options are

A. 13
B. 15
C. 26
D. 28​

Answers

Answer:

weird it should be 65.5 or the other way around hm

Step-by-step explanation:

or maybe im just dumb

(-5/7)10^ (-5/7) 11^ =

Answers

Answer:

Step-by-step explanation:

did you mean:

[tex](\frac{-5}{7} )^{10} (\frac{-5}{7} )^{11} =?[/tex]

If so,

it is similar to saying

[tex]x^{10} x^{11} = x^{10+11} = x^{21}[/tex]

Which line is parallel to the line shown on
the graph?
A. 4x + 5y = -10
B. 4x - 5y = 0
C. 5x + 4y = 24
D. 5x – 4y = -8

Answers

Answer:

C

Step-by-step explanation:

I’m pretty sure

The line whose slope will be same as that of the graph given, will be the line parallel to the given line.

What is the general equation of a Straight line?

The general equation of a straight line is -

[y] = [m]x + [c]

where -

[m] is slope of line which tells the unit rate of change of [y] with respect to [x].

[c] is the y - intercept i.e. the point where the graph cuts the [y] axis.

The equation of a straight line can be also written as -

Ax + By + C = 0

By = - Ax - C

y = (- A/B)x - (C/A)

Given is a graph of a line.

For a given line to be parallel to the given line, its slope should be same as that of the line plotted. Since the graph is not given, we can make an estimate for the equation of the line parallel to the given line. The four equations given will have their slopes as mentioned -

[A] -   4x + 5y = - 10       [m] = -4/5

[B] -   4x - 5y = 0           [m] = 4/5

[C] -   5x + 4y = 24        [m] = -5/4

[D] -   5x - 4y = -8          [m] = 5/4

Now, the line whose slope will be same as that of the graph given, will be the line parallel to the given line.

Therefore, the line whose slope will be same as that of the graph given, will be the line parallel to the given line.

To solve more questions on straight lines, visit the link below-

brainly.com/question/29030795

#SPJ2

is y = 1/2x + 3 proportional

Answers

No not at all whatsoever

Answer:

most likely

Step-by-step explanation:

y=1/2x+3

substitute 4

y=2+3=5

substitute 6

y=3+3=6

Felix used place value and the distributive property to rewrite the expression 9(278). His work is shown below. 9(278) = 9(200 + 70 + 8) What should Felix do to find the product? Select all that apply. Multiply 9(200) and multiply 70(8). Multiply 9(200), 9(70), and 9(8). Multiply 9(200) and then add (70 + 8). Distribute the 9 to each addend. Find the sum of (1,800 + 630 + 72).

Answers

Step-by-step explanation:

Distributive property is as follows :

a(b+c) = ab + ac

Felix used place value and the distributive property to rewrite the expression 9(278).

Place value of 278 = 200 + 70 +8

He has done like : 9(278) = 9(200 + 70 + 8). Now, the steps are as follows :

9(278) = 9(200 + 70 + 8)

= 9(200)+9(70)+9(8)

= 1800 + 630 +72

= 2502

Hence, option (d) "Distribute the 9 to each addend. Find the sum of (1,800 + 630 + 72)" should be the correct answer.

Answer:

its B D and E

Step-by-step explanation:

What is are SLOPE and EQUATION of the image?

Answers

Answer:

3

y=3x

Step-by-step explanation:

y=mx+b

y=3x+0

y=3x

How do I Answer this question ? using the following directions.

Answers

Answer:

12-2n

Step-by-step explanation:

Difference means to subtract

Times means to multiply

A number would be the variable

describe and correct the error in the solution. (Be specific and explain as
much as you can. What is the correct solution?) *
5(p+3) > 4p + 2
5p+3 > 4p + 2
5p > 4p - 1
p>-1

Answers

Answer:

In the second step, 5 should have been distributed to both the p and the 3. To correct this, step two should say 5p+15>4p+2

You can see where they messed up in the second step. 5(p+3) should be distributed correctly. It should be 5p+15.

The correct solution would be p>-13

What are the advantages of being a multinational corporation? Check all that apply.
expansion into new markets

access to cheaper labor

creation of a trade surplus

reliance on unskilled workers

lower tax payments
I will give 20pts, but don’t guess plz. Thank you!

Answers

Answer                                          

A C and E

Step- by - Step explanation

The advantages of being a multinational corporation is,

Expansion into new markets Creation of a trade surplus Lower tax payments

The  advantages of being a multinational corporation are following,

Specialisation in production. BMW produce engines in Germany, import tyres from Asia and then have plants assembling cars in many different countries, such as the UK.Outsourcing. A manufacturing firm in a high-labour cost economy can outsource the labour intensive production to cheaper labour cost countries and enable a reduction in costs.Tax avoidanceEmployment of skilled labourWider consumer base.

Learn more about multinational corporation here :

https://brainly.com/question/494475

the sum of three consecutive even integers is 30 more than the smallest integer. Find the largest integer.

Answers

Answer:

10 1/4

Step-by-step explanation:

Assume x as the smallest integer.

Since it is consecutive, you have to add 1 in order to get the next integer.

Equation:

x+x+1+x+2=x+30

x=8 1/4

You need to add 2 to get the largest integer.

So, 8 1/4 + 2 = 10 1/4

what is the answer??​

Answers

Answer:

-8x + 11

(i’m assuming you just need to combine terms?)

Step-by-step explanation:

-5x + 7 - 3x + 4

combine 7 & 4 to get

-5x + 11 - 3x

combine -5x and -3x to get

-8x + 11

Answer:

-8x + 11

Step-by-step explanation:

which model represents the equation shown below
-4x+(-2)=3x+(-5)

Answers

Answer:

The answer on edge is C

Step-by-step explanation:

Hope I helped

my sister needs help please

Answers

I believe the answer is -9 3/4. That can also be written as -39/4 or -9.75
i believe its -9 3/4

Andrea’s income from a lemonade stand was $28. Supply expenses were $9. Write and then evaluate an expression to find Andrea’s profit or loss. Expression:___

Andrea’s profit or loss is____dollars.

Answers

Answer:

9-28= 21

Step-by-step explanation:

She made profit because she lost 9 dollars, and then gained 28$ back, which would then equal to $21, so Andrea made a profit of $21.


Lowe's is advertising 3 plants for $17.94. How much would it cost for Simon to buy 2 plants?
A $11.96
O B. $10.90
C. $7.18
D. $8.97

Answers

Answer:

11.96

Step-by-step explanation:

We can figure this out by multiplying 17.94 times 2/3, which gives us a total of 11.96

Answer is A. $11.96

I know this because mental maths

Solve.

–50=-10t
a.
–60
c.
–40
b.
5
d.
–5

Answers

Answer:

So the Correct Answer Is B.5    (T=5)

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

T=5

Hope this helps!

Please mark Brainliest!

Answer:

−50=−10t

Answer:

t=5

Step-by-step explanation:

Steps-

switch sides- -10t = -50

divide both sides

-10t/-10 = -50/-10

Simplify

T=5

What is the value of x?
108

Answers

Answer:

It’s c

Step-by-step explanation:

On edge

Simplify: 11(4d+6)

................................

Answers

Answer:

44d+66

Step-by-step explanation:

Katie and Mina both commute to work. Katie's commute on the train takes 10 minutes more than one half as many minutes as Mina's commute by car. It takes Katie 30 minutes to get to work. Write an equation to determine how many minutes it takes Mina to get to work. NEED HELP PLZZ :)

A 30 = one halfx + 10
B 30 = one halfx − 10
C 30 = 2x − 10
D 30 = 2x + 10

Answers

The answer is A! Good luck!

Answer:

A) 30 = (1/2)x + 10

Step-by-step explanation:

simplify. write your answer in standard form.
-4-8x+2x-15

Answers

Answer:

x=2

Step-by-step explanation:

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