Answers
Explanation
14+7=21
Answer:
x=1
Step-by-step explanation:
given
21=14+7x
our objective is to get the variable (x) by itself
To do so we use inverse operations
so to get rid of the 14 we subtract 14 but whatever you do to one side you have to do to the other so we subtract each side by 14
14-14 cancels out
21-14=7
now we have
7x=7
now we want to get rid of the 7
to do so we divide by 7 but remember whatever we do to one side we have to do to the other side so we divide each side by 7
7/7 cancels out
7/7=1
we're left with x=1
hope this helps!
Related Questions
Given the sequence: 8, 4, 0, -4,-8, -12, ...
Answers
Answer:
It is subtracting 4 each time, if it were to go on it would go -16 -20 -24 -28 -32 -36 -40 -44 -48 -52 etc
Step-by-step explanation:
Brainliest to right answer
Answers
Answer: 32 liters
Step-by-step explanation:
W(0)= 32 so the glass tanks volume is 32
A man is parasailing on a lake. The rope he is holding is 150 feet long and he is 45 feet above the water. What is the horizontal distance between the man and the boat? Round your answer to the nearest tenth.
Answers
9514 1404 393
Answer:
143.1 ft
Step-by-step explanation:
Assuming the rope is tied to the boat, and that the geometry can be modeled by a right triangle, the Pythagorean theorem is helpful.
150² = 45² + d²
d = √(150² -45²) = √20475 ≈ 143.1 . . . . feet
The horizontal distance between the man and the boat is about 143.1 feet.
Angela took 56 minutes to take her history test. Bryan took 70% of the time that it took Angela to complete the test. How long did it take Bryan to take his history test?
Answers
pls help will give brainliest
Answers
Answer:
the book club has a greater mean than the travel club
Step-by-step explanation:
Graph the inequality on the awes below
y>-x+3
Answers
benny sold half of his comic books and then bought 6 more. he now has 14. how many did he begin with?
Answers
Answer:
Benny started off with 16 comic books.
Step-by-step explanation:
x/2 + 6 = 14
solve
x/2 + 6 = 14
-6 -6
x/2 = 8
multiply by 2
x = 16
Hope this helped! Have a nice day! Plz mark as brainliest!!!
-XxDeathshotxX
if he got 6 more that would be 14-6
leaving you with 8 and 8x2 is 16
pls helppppp if you know math
Answers
Answer: 1: the second and third choices. 2: the second. 3: the third
Step-by-step explanation:
I worked them out, so you didn't have too!
f(x)=x2 + 4x -6
f(x) can be written in the form (x + m)?+n.
Find the value of m and the value of n.
Answers
Answer:
m = 2 and n = -10
Step-by-step explanation:
The given function is f(x) = x² + 4·x - 6
The form in which f(x) is to be written = (x + m)² + n, which is the standard form of a quadratic equation
We have;
f(x) = x² + 4·x - 6 = x² + 4·x + 4 - 6 - 4
f(x) = x² + 4·x + 4 - 6 - 4 = (x + 2)² - 10
f(x) = (x + 2)² - 10
By comparison with (x + m)² + n, we have;
m = 2, and n = -10
Are 8:12 and 4:5 equivalent? Please answer I need help.
Answers
4:5
x2 x2
=8:10
it does not equal 8:12
your welcome:)
Hey! Can someone help me?
Answers
Answer:
Step-by-step explanation:
there are 4 sixes soo
[tex]6^{4}[/tex]
Answer:
[tex] {6}^{4} [/tex]
-have a nice day
Please fully explain and thank you a lot
Answers
Answer:
If you aren't allowed to use calculators do (1280 - 128pi) but if you are do (877.876140341) Don't forget units in your work and answer.
Step-by-step explanation:
Volume of Rectangular prism = L*W*H = 8*10*16 = 1280in
Volume of Cylinder = pi*r^2*H = 8*pi*r^2
We know that the diameter is 8 (because that's the height of the rectangular prism as stated in the question) and diameter is 2*r thus the radius of the cylinder is 4.
therefore the volume of the cylinder is 8*pi*(4)^2 which is 128pi If you aren't allowed to use calculators do (1280 - 128pi) but if you are do (877.876140341)
Find h (2)givenh(x)=-x^3-8x^2-9x+12
Answers
Answer:
-30, if I didnt mess up the work
Step-by-step explanation:
2^3-8(2^2)-9(2)+12
8-32-18+12=
20-50=-30
What is the slope of the line that passes through the points (-9, -9) −6,−12)?
Answers
Answer:
m = -1
Step-by-step explanation:
Slope = (y2-y1)/(x2-x1)
Therefore,
slope = (-12-(-9))/(-6-(-9))
= -3/3
=-1
Section 1
Watson wrote an inequality on the board.
x + 10 < 21
Which value(s) make(s) the inequality true?
Select ALL that apply.
which one fills in x
Answers
Answer:
x<11
Step-by-step explanation:
x+10<21
-10 -10
x<11
The line 1 has equation 5x + 6y + 30 = 0. Given
that P is the point (3, -1), find
(i) the coordinates of the point where l crosses the
x-axis,
(ii) the coordinates of the point of intersection
of l with the line x = 2,
(iii) the equation of the line passing through P
and having the same gradient as I,
(iv) the equation of the line passing through P
and having a gradient of 0.
w through the points ACO 3).
Answers
Answer:
Step-by-step explanation:
i) the x-intercept is when y=0
5x+6(0)+30=0
5x=-30
x=-6
hence the point is (-6,0)
ii)5(2)+6y+30=0
10+6y+30=0
6y=-40
y=-20/3
hence the point of intersection is (2,-20/3)
iii) y+1=-5/6(x-3)
6y+6=-5x+15
6y+5x=9
iv) y+1=0(x-3)
y=-1
Cual es el volumen del concreto que necesitamos para construir cuatro columnas circulares si el diámetro de cada una es de 50 cms y la altura y la altura son 3,5(la respuesta en ms)
Answers
Answer:
27488.92 cm³
Step-by-step explanation:
El volumen de concentre para columna circular = área de superficie del círculo × altura de la columna.
= πr² × h
Dado que:
diámetro = 50 cm
height = d/2 = 50 cm / 2 = 25 cm
= 3.5 cm
Entonces:
El volumen de concentre para columna circular = πr² × h
El volumen de concentre para columna circular = π(25)² × 3.5
El volumen de concentre para columna circular = 6872.23 cm³
Para cuatro columnas circulares; el volumen será: = 4 × 6872.23 cm³
= 27488.92 cm³
How much would it cost to purchase 7.5 lbs of walnuts? 3.5 Walnuts in Bulk It costs $3.45 to buy Alb of chopped walnuts. Explain or show your reasoning.
Answers
Answer:
2.16
Step-by-step explanation:
A bicycle tire makes 40 full revolutions while traveling where Scott is standing to where Steve is standing. If a tire has a diameter of 20 inches what is the approximate distance between where Steve is standing?
Answers
Answer:
2513.27 inches
Step-by-step explanation:
Given that:
Diameter = 20 inches
Number of revolutions = 40
For a complete revolution :
Distance traveled = Circumference = 2πr
2 * π * 20/2 = 62.831853 inches
Distance per revolution * number of revolutions
62.831853 * 40
= 2513.2741 inches
= 2513.27 inches
Lila uses craft sticks to make stars for an art project. She uses5 craft sticks for each star,and she has 19 craft sticks. Lila makes as many stars as she can how many stars does Lila make? Please helppp
Answers
Answer:
3
Step-by-step explanation:
Number of craft stick per star = 5
Total number of craft stick had = 19
Total Number of stars that could be made :
Total number of craft stick / number of craft stick per star
= 19 / 5
= 3.8
The maximum Number of stars she could make is the whole number value (discarding the remainder) = 3
Give the coordinates of the point obtained from each reflection.
Reflect the point (8,-7) across the x-axis:
Reflect the point (8,-7) across the y-axis:
Answers
Solve the inequality of x - 4< -3
Answers
Answer:
x < 1
Step-by-step explanation:
x - 4 < -3
x < 1
Answer:
x < 1 in inequality form :)
Explanation:
x - 4 < -3
x < 1
The graphs below have the same shape. What is the equation of the blue graph? (apologies for bad quality)
Answers
Answer:
The blue graph is translated 3 units to the left and two down, so the new equation would be g(x)=(x-3)^2-2
Which number lies halfway between:
a) 16 and 38
b) 259 and 361
1004 and 2 012?
Answers
Answer:
Which number lies halfway between:
a) 16 and 38 = 28
b) 259 and 361 =310
1004 and 2012?
=1058
The midpoint of all the numbers are given below.
What is the midpoint?A location that is halfway between two other points is considered to be a line segment's midpoint. The distance between the midway and each endpoint is the same.
We have to find the midpoint of numbers.
a) 16 and 38
16 + 38 = 54/2 = 27
b) 259 and 361 = 620/2 = 310
c) 1004 and 2012 = 1508.
Therefore, all the middle numbers are given above.
To learn more about the midpoint;
https://brainly.com/question/28224145
#SPJ1
How do you reverse a power? for example, if c^2 = 225 how do i find out the value of C
Answers
Answer:
112.5
Step-by-step explanation:
You have to divide 225 by 2 and that's the answer you should be able to get.
I need the lateral area, total area, and the volume. Would greatly appreciate your help!
Answers
la 4gStep-by-step im so weird
Find a solution to this equation
y = x + 2
Type an (x,y) ordered pair that is a solution to this equation.
Answers
Answer:
(8,10)
Step-by-step explanation:
we could start off with that x as 0
0,?
since y-intercept is 2
(0,2)
then we could put x as 8
y=8+2
so y = 10 and x=8
(8,10)
I hope this helps!!
Have a great night/day!!!(wherever you are)
L.O.L.
What is the volume of the figure? 4,536 mm 3 3,402 mm 3 2,268 mm 3 1,134 mm 3 just put answer no explanation
Answers
Answer:
The answer is 2,268 mm 3
Step-by-step explanation:
how big are yoongi's feet
Answers
Answer:
he's a size 8.5-9 in US mens and 265(mm) korean shoe size
Step-by-step explanation:
pfft hope this helped army
According to the properties of inequality, when should the inequality symbol be reversed when solving a two-step inequality in the form below?
a x + b greater-than c
when a is positive
when a is negative
when b is positive
when b is negative
Answers
Answer:
B. when a is negativeStep-by-step explanation:
Inequality given:
ax + b > cWhen solving we do steps:
ax > c - bx > (c - b)/aAt the second step both sides divided by a.
When a is positive the inequality symbol remains as is, when a is negative we have to divide both sides by -1 as well. This will reverse the inequality symbol.
Correct answer choice is B.
Answer:
b
Step-by-step explanation: