Evaluate the expression for the given value of the variable
3x + 5 when x = 5
Answer:
Step-by-step explanation:
Putting value of x in the equation
3(5) + 5
= 15 + 5
= 20
A store manager created this table representing the relationship between the reported number of snow days during a given month, x, and the sales revenue of bags of rock salt, y, rounded to the nearest dollar.
Using the linear best-fit model for the data, what is the predicted sales revenue of rock salt given there were 11 snow days in the month?
$773.00
$1,374.00
$1,457.00
$1,474.00
Number of snow days
Rock salt sales revenue
2 $823.00
1 $725.00
3 $943.00
5 $1,086.00
4 $997.00
3 $951.00
7 $1,163.00
6 $1,098.00
Answer:
1,374.00
Step-by-step explanation:
.
What is 2/5 closer to
Answer:
Depends on what it is
Step-by-step explanation:
I can't tell you because I don't know what we are comparing. :)
Directions: Use slope to determine if lines PQ and RS are parallel, perpendicular, or neither. 13. P(-9, -4), (-7, -1), R(-2,5), S(-6, -1) Slope of PQ Slope of RS Types of Lines
Answer:
ParallelStep-by-step explanation:
Given points
P(-9, -4), Q(-7, -1), R(-2,5), S(-6, -1)Finding slopes of PQ and RS using slope formula
m = (y2 - y1)/(x2 - x1)Slope of line PQ
m = (-1 - (-4))/(-7 - (-9)) = 3/2Slope of line RS
m = (-1 - 5)/(-6 - (-2)) = -6 / -4 = 3/2Slopes are same, therefore lines are parallel
Explain how to use a polynomial identity to factor x^6-27y^3
This is a sum of cubes:
x⁶ - 27y³ = (x²)³ + (-3y)³
Recall that
a³ + b³ = (a + b) (a² - ab + b²)
So we have
x⁶ - 27y³ = (x² - 3y) ((x²)² - x² (-3y) + (-3y)²)
x⁶ - 27y³ = (x² - 3y) (x⁴ + 3x²y + 9y²)
A triangle has a base of 15 feet and a height of 9.5 feet. What is the area of the triangle?
O 142.5 ft2
O 71.25 ft2
O 24.5 ft2
O 5.5 ft2
HELP ASAP
Answer:
71.25 ft2
Hope this helps. Pls give brainliest.
Answer:
71.25
Step-by-step explanation:
multiply them together then divide by 2.
PLEASE HELP QUICK.
PLEASEE HELPPPP MEEE
Enter the number of complex zeros for the polynomial function in the box.
f(x)=x3−96x2+400
The complex zeros of the polynomials are 20i and -20i
Given the polynomials, the zeros of the polynomial are gotten by equating the function to zero and then factorizing as shown:
f(x)=x^3−96x^2+400
x^3−96x^2+400 = 0
x^2(x-96) + 400 = 0
x^2(x - 96) = -400
x^2 = -400
Get the required complex roots:
x^2 = -400
x = ±√-400
x = ±20i
Hence the complex zeros of the polynomials are 20i and -20i
Learn more on zeros of polynomials here: https://brainly.com/question/4142886
Rachel got her kite stuck at the top of a tree that is 35 feet tall. If she is standing 55 feet away from the base of the tree, how long is the string?
Answer:
90
Step-by-step explanation:
Just add 35 and 55 it's pretty simple
PLEASE ANSWER THIS ASAP !!!!!
Answer:
y= -3x-6
Step-by-step explanation:
Breadth and length of a rectangle is in the ratio 7:11. Length is 20 cm
more than breadth. Find the breadth and length.
Answer:
Breadth = 35 cm
Length = 55 cm
Step-by-step explanation:
Breadth : length = 7 : 11
Breadth = 7x
Length = 11x
Length is 20 cm more than breadth.
Length = breadth + 20
11x = 7x + 20
11x - 7x = 20
4x = 20
x = 20/4
x = 5
Breadth = 7x = 7*5 = 35 cm
Length = 11x = 11 * 5 = 55 cm
Breadth and length of a rectangle is in the ratio 7:11. Length is 20 cm more than breadth. Find the breadth and length.
❥ Explanation -:In this question we are provided with the ratio of length and breadth 7 : 11 and it is also given that the length of the rectangle is 20 cm more than the breadth and we are asked to find out the length and breadth
Let us assume length as 11x and breadth as 7x.
[tex] \small\underline{\frak{ Length \: is \: 20 \: cm \: more \: than \: breadth}}[/tex]
Length = Breadth +20
According To Question
[tex] \small\bf{ 11x = 7x + 20}[/tex]
[tex] \small\rm{11x - 7x = 20} [/tex]
[tex] \small\rm{4x = 20} [/tex]
[tex] \small\rm{ x = \cancel\dfrac{20}{4} = 5 }[/tex]
[tex]\small\boxed{\rm{x = 5 cm}}[/tex]
Length = 11x = 11 × 5 = 55 cm
Breadth = 7x = 7 × 5 = 35 cm
PLEASEEEE ANSWERRRRRRRRR BBYIES!!
Last year at a certain high school, there were 80 boys on the honor roll and 88 girls on the honor roll. This year, the number of boys on the honor roll increased by 15% and the number of girls on the honor roll increased by 25%. By what percentage did the total number of students on the honor roll increase? Round your answer to the nearest tenth (if necessary).
Answer:
40%
Step-by-step explanation:
15% + 25% = 40%
HELP MEH!!! question:
A snail travels 10cm in 4 minutes. at this rate:
Answer:
In 8 min it will travel 20
Step-by-step explanation:
Si 5 trabajadores realizan el 60% del muro en el dia, y los demas trabajan en partes iguales. ¿Que porcentaje del muro construyen los demas trabajadores?
Answer:
40%
Step-by-step explanation:
Aquí, tuvimos que 5 trabajadores habían terminado el 60% del muro.
Entonces, el porcentaje que queda por hacer sería el porcentaje total, el porcentaje realizado por los 5 trabajadores.
Matemáticamente, el porcentaje total será del 100%.
Entonces, el porcentaje total realizado por los trabajadores restantes será 100% - 60% = 40%
x³ + y³ + x³ = k
can anybody help solve this
Answer:
The answer is k equals 2x to the third power and Y to the third power
Answer:
X€R
Y€R
Step-by-step explanation:
x³+y³+x³=k
2x³+y³=k
K=2x³+y³
So
X€R
Y€R
Find the slope. Im not good finding slope in a graph and fliping the numbers.
Answer:
[tex]\frac43[/tex]
Step-by-step explanation:
Hello!
We can calculate slope using the formula [tex]\frac{Rise}{Run}[/tex].
Rise is the change in y between two pointsRun is the change in x between two pointsThe two points that I'm going to choose is (0,-4) and (3,0).
SlopeChange in y (-4 and 0) is 4Change in x (0 and 3) is 3Therefore, the slope of the line is [tex]\frac43[/tex].
Answer: 4/3
Step-by-step explanation:
rise over run
Nadia has 3/5 a yard of fabric. If Nadia cuts the fabric into 2 equal
pieces, how long are each of the 2 sections?
(The picture has the answer) :)
Answer:
A. [tex]\frac{3}{10}[/tex] a yard
Step-by-step explanation:
We just need to divide the [tex]\frac{3}{5}[/tex]yard fabric into 2:
[tex]\frac{3}{5}[/tex]÷[tex]\frac{2}{1}[/tex] = [tex]\frac{3}{5}[/tex]×[tex]\frac{1}{2}[/tex]
= [tex]\frac{3}{10}[/tex]
If f(x)=4x-16andtheDomainis{-2,-1,0,3,6},findtheRange of the function. Show all work.
Answer:
R={-24,-20, -16, -4, 8}
Step-by-step explanation:
f(x)=4x-16
f(-2)=4(-2)-16
f(-2)=-8-16
f(-2)=-24
f(x)=4x-16
f(-1)=4(-1)-16
f(-1)=-4-16
f(-1)=-20
f(x)=4x-16
f(0)=4(0)-16
f(0)=0-16
f(0)=-16
f(x)=4x-16
f(3)=4(3)-16
f(3)=12-16
f(3)=-4
f(x)=4x-16
f(6)=4(6)-16
f(6)=24-16
f(6)=8
Find the area of the circle. Leave your answer in terms of pi
Answer:
Step-by-step explanation:
Since area of a circle is pi.r^2
We know that diameter is 20
Radius is half of diameter
So it becomes
Pi.(d/2)^2
So pi.(40/4) is the area of this circle.
Or 40pi/4
Answer:
100π
Step-by-step explanation:
The formula for calculating area of a circle π×r^2 (r: radius)
The given radius here is 20 ÷ 2 = 10
π × 10^2 = 100π
Help.......................
Answer:
50% will be your answer
Answer:
50%
Step-by-step explanation:
half of 1 whole which is 100% is always 50% or 1/2
f(x)=−14x+12 for x=3?
Answer:
(x)=-30
Step-by-step explanation:
f(x)=-14·3+12
f(x)=-42+12
f(x)=-30
What is the hypothesis of the following conditional statement? Conditional Statement: If a triangle has three congruent sides, then it is an equilateral triangle.
A.) The triangle has three sides.
B.) If it is an equilateral triangle, it has three congruent sides.
C.) It is an equilateral triangle.
D.) A triangle has three congruent sides.
Answer: D.) A triangle has three congruent sides.
Step-by-step explanation: The first part of a conditional statement is its hypothesis.
What is the surface area
1 cm
5 cm
4 cm
2 cm
6 cm
3 cm
I worked it out, the answer is 88
3• Wich of these shows y=2x+1 in point slope form ?
Answer:
A
Step-by-step explanation:
y=2x + 1
y=mx +b
-2/3 -5x
What is the slope of the line represented by the equation y
Step-by-step explanation:
y = -2/3 - 5x
rearranging,
y = -5x -2/3
comparing to the gradient-intercept equation
y = mx + c
m = -5
c = -2/3
Therefore, the slope of the line is -5
Answer: -5
Step-by-step explanation:
Because you know that y=Mx+p right?
So you just take the equation : -2/3-5x and you know that the number before x is m = the slope . Have a nice rest of your day :)
Find the quotient: 16.4 m ÷ 2.82 m.
Answer:
5.8156
Step-by-step explanation:
The division is super long, took me a while to solve on paper, but the answer is 5.8156.
Hope this helped! :)
Evaluate: 3x^2 + y when x=1 and y=-3
Answer:
0
Step-by-step explanation:
3x^2 + y ( If x = 1, and y = -3)
= 3(1)^2 + (-3)
= 3 + -3
= 0
Cheers.
Solve the following equation for x: 2x + 5y = 8.
x= 5/2y + 4
x=-5/2y - 4
x=5/2y - 4
x=-5/2Y +4
Find the inverse of each of the given functions.
f(x)=4x-12
Answer:
To find the inverse, interchange the variables and solve for y .
Step-by-step explanation:
f − 1 ( x ) = x /4 + 3