Answer: A
Step-by-step explanation:
For Kendra to profit $45 after spending $80 she would have to make $125 off of her 100 donuts. Thus, each donut costs 1.25, thus the 1.25n of the equation. However, you must also take into account the 80 dollar fee she paid(Thus the - 80).
please help find the correct solutions for the equations below 2x+20=-3x-25 x= -7x+14=4x- 19 x= 10x-3=-5x-18 x= answers 8 5 6 24 -1 -9 20 3 10 -2
Answer:
I think its 8
Step-by-step explanation:
The zeroes of the function are . of the zeroes have a multiplicity of 2.
Answer:
The three roots have a multiplicity of 2
Step-by-step explanation:
The zeros of the function refers to those points on the x-axis on which the curve passes through
These are the points -2,0 and 4
Now we want to determine which of these points has a multiplicity of 2?
The correct answer is that all have a multiplicity of 2 since 2 can be factored out
2(-1) , 2(0) and 2(2)
Answer:
the answer is A. none
This table shows values that represent a quadratic function.
x
0
1
2
3
4
5
6
y
--1
-2
5
-10
-17
-26
-37
What is the average rate of change for this quadratic function for the interval
from x = 3 to x = 5?
A. 8
B. 16
O C. -16
c
D. 8
Answer:
D
Step-by-step explanation:
The y values change by -26 - (-10) = -16 in the interval and the x values change by 5 - 3 = 2 so the average rate of change is -16 / 2 = -8.
Answer:
D. -8
Step-by-step explanation:
Risked it all for my grades.
I need help with converting this to get the answer!! Please help!! :D
Answer:
Volume of the water droplet = 0.00001 cubic meter
Step-by-step explanation:
∵ 100 centimetres = 1 meter
∴ 1 centimetre = [tex]\frac{1}{100}[/tex] meter
= 0.01 meter
Volume of a water droplet = 0.1 cubic centimetre
= 0.1 (centimetre)³
By putting 1 centimetre = 0.01 meter
Volume of the water droplet = 0.1 (0.01 meter)³
= 0.1 × (0.01)³ meter³
= 0.1 × 0.0001 meter³
= 0.00001 meter³
Evaluate. 8−2⋅3+7 Enter your answer in the box
Answer:
9
Step-by-step explanation:
8−2⋅3+7
PEMDAS
Multiply and divide first
8−6+7
Then add and subtract
2+7
9
Answer:
9
Step-by-step explanation:
Remember to follow the order of operations, PEMDAS. Note that PEMDAS =
Parenthesis
Exponent (& Roots)
Multiplication
Division
Addition
Subtraction
First, multiply -2 with 3:
-2 * 3 = -6
Next, follow the left -> right rule. First subtract, then add:
8 - 6 = 2
2 + 7 = 9
9 is your answer.
~
Explain how to solve for the rate in a simple interest equation if you are given the interest amount, the principal, and the time.
Answer:
divide the interest amount by the product of the principal and time
Step-by-step explanation:
The simple interest formula is I = prt where I is the interest, p is the principal, r is the rate and t is the time (in years). Rewriting this formula so that r is the subject we get r = I / pt. Therefore the answer is divide the interest amount by the product of the principal and time.
47:PLEASE HELP Find the y-intercept of -x +2y=20
Answer:
(0,10)
Step-by-step explanation:
-x + 2y = 20
2y = x +20
y = 1/2x + 10
This is slope-intercept form. The y-intercept is 10.
(0,10)
Answer:
(0, 10)
Step-by-step explanation:
Can be simplified to
2y = x+20 by adding x to both sides
then divide by 2 to get to slope intercept form: y = ax+b
b is the y-intercept
y = 1/2x + 10
so the answer is 10
Which of the following are not polynomials? Able to be more than one.
A. X-2 +X+1
B. x2/3 + v3x+1
c.2/3x-2+x+1
D. x3+0x2 + 2x + v2
E.2/x3+x+1/2
The terms that are not polynomial are x2/3 + v3x+1. The correct option is B.
What are polynomial terms?The portions of the equation that are often separated by "+" or "-" signs are known as polynomial terms. Thus, each term in a polynomial expression is a portion of the polynomial. For instance, there will be 3 terms in a polynomial like 2 x 2 + 5 + 4 for example.
x2/3 + √3x+1 is not a polynomial term because the power is in a fraction in the polynomial term, the power is not in a fraction.
Therefore, the correct option is B. x2/3 + v3x+1.
To learn more about polynomial terms, refer to the link:
https://brainly.com/question/11536910
#SPJ1
Solve the system of equations using substitution.
X = 2
4 = 2y - 6x
Answer:
-2y=-6(2)-4
-2y=-12-4
-2y/-2=-16/-2
y=8
Identify the parts relating to CircleA. What is Line F G? Secant What is Line segment D B? Tangent What is Line segment D H? Secant What is AC? Radius
Answer:
Line FG secant
Line segment DH secant
Line segment DB tangent
Line segment AC radius
Step-by-step explanation:
A Secant is a line that passes through the two points on a circle.It cuts the circle on two points.
Line FG is a secant as it passes through two pints.
Line segment DH is also a secant as it passes through two points.
A tangent is a line that passes through only one point on a circle. It is outside the circle. It is perpendicular to the radius at the point where it touches the circle.
Line segment DB is a tangent as it passes through only one point.
Radius is the line segment joining the center of the circle and any point on the circumference of the circle. It is half of the diameter.
Line segment AC is a radius as it joins the center of the circle with the circumference.
Answer:
1) FG -- Secant
2) DB -- Tangent
3) DH -- Secant
4) AC -- Radius
Step-by-step explanation:
Each morning Rin rides 1.5 miles to school and then rides home in the afternoon. Later in the evening, she rides to the park and back home. Over the 5 school days, she rides a total of 25 miles. Which equation can be used to find the distance she rides each evening?
1.5 + x = 25
1.5 + 1.5 + x = 25
5 (1.5 + x) = 25
5 (1.5 + 1.5 + x) = 25
Answer:
Last equation given in the list of possible answers:
5 ( 1.5 + 1.5 + x ) = 25
Step-by-step explanation:
We need to include in the total addition of miles ridden during the week:
a) 1.5 miles to the school
b) 1.5 miles from school back home
c) x miles for the evening ride
so for the miles ridden per day we have: "1.5 +1.5 + x"
Now, since per week she does 5 days like this, then we need to multiply the expression above by 5 in order to total the number of miles she rides weekly (25 miles)
5 ( 1.5 + 1.5 + x ) = 25
And we can use this equation to find the amount "x" that Rin rides in the evening.
Answer:
The answer is D.5 (1.5 + 1.5 + x) = 25
Step-by-step explanation:
34.9 was rounded to 1 decimal place. What is the upper bound?
=======================================================
Explanation:
The upper boundary, or upper bound, is a fence of sorts.
Note how the following values all round to 34.9, when rounding to one decimal place
34.9434.94534.94934.949934.9499934.94999934.949999934.94999999We can keep going with the pattern of 9s at the end and whatever value you form will still round to 34.9; so you can see that there is no largest value we can reach that will round to 34.9
All of those values are slowly approaching 34.95, which is the upper fence I mentioned. We can get closer and closer to this value, but we can't actually reach it. Otherwise, 34.95 will round to 35.0
Mariah is completing a language arts review sheet she estimates that it takes her one minute to complete each multiple-choice question and six minutes to complete each essay question this equation represents the total time it takes her to complete X multiple choice question and y essay question X plus 6Y equals 36 select the correct answer from each drop down menu
Answer:
The answer is below
Step-by-step explanation:
Given the time taken to answer each multiple choice question as one minute, the time taken to x multiple choice question = 1 minute/question × x questions = x minutes
Given the time taken to answer each essay question as six minute, the time taken to y essay question = 6 minute/question × y questions = 6y minutes
Therefore the total time taken to complete X multiple choice question and y essay questions = the time taken to x multiple choice question + the time taken to y essay question = x + 6y
Answer:
directly off of edmentum
4 friends evenly divided up an n-slice pizza. One of the friends, Harris, ate 1 fewer slice than he received. How many slices of pizza did Harris eat? Write your answer as an expression.
Answer:
m-2times 4
Step-by-step explanation:
Answer:
n/4 -1
Step-by-step explanation:
i got it from khan
An A-frame cabin is 26.23 feet high at the center and the angle the floor makes with the base is 53. How
wide is the base?
Answer:
60.84 feetsolution,
[tex]tan \: theta = \frac{perpendicular}{base} \\ tan \: (53) = \frac{bc}{ac} \\ tan \: (53) = \frac{26.23}{ac} \\ ac = \frac{26.23}{0.4311} \\ ac = 60.84 \: feet[/tex]
Hope this helps...
Good luck on your assignment..
PLS HELP ME IVE BEEN TRYING
Answer:
try and let me know is it correct or not line A-4 lineB-8
Step-by-step explanation:
i also use mathswatch
is {(1, 2), (7, 6), (3, 2), (1, 0), (5, 6)} a relation? why?
Answer: Yes.
Step-by-step explanation: In each bracket, there is an odd and even number.
Two researchers select a sample for a population with a mean of 12.4 and a standard deviation of 9. Researcher A selects a sample of 25 participants. Researcher B selects a sample of 15 participants. Which sample is associated with a larger standard error
Answer:
researcher B with 15 participants will be associated with a larger standard error
Step-by-step explanation:
Standard error can be expressed mathematically as;
E = zr/√n ......1
Where
z = z value of test statistics
r = standard deviation
n = number of samples
From equation 1, given that the standard deviation and the z value for the two researchers are thesame, then we can say;
E = zr/√n
E = k/√n
E1/E2 = √(n2/n1)
n1 = 25
n2 = 15
E1/E2 = √(15/25)
E1/E2 = 0.774596669241
E1 = 0.77E2
Therefore, E1 is less than E2
E1 < E2
And also the larger the number of samples the lower the standard error.
Since researcher B have a lower number of samples it will have a larger standard error.
So, researcher B with 15 participants will be associated with a larger standard error
expand the following 8 (3x-y)
Answer:
24x-8y
Step-by-step explanation:
8(3x-y) - distributive property
24x-8y
Answer:
24x - 8y.
Step-by-step explanation:
8(3x - y) = 8 * 3x - 8 * y = 24x - 8y
Hope this helps!
An experiment consists of tossing 3 coins at the same time. What is the probability of tossing 2 tails and 1 head?
Answer:
3/8.
Step-by-step explanation:
The probability of a head or a tail on one toss of a single coin is 1/2.
So the required probability when 3 coins are tossed of getting say 3 heads = (1/2)*3 = 1/8.
The probabilities are multiplied because each event ( 1 coin tossed) is independent of the others.
There are 3 ways to get 2 H and 1 tail (HHT, HTH and THH) so the answer is 3 * 1/8
= 3/8.
Answer:
3/8 or 0.375 or 37.5%
Step-by-step explanation:
You have three coins. The probability of getting a head or a tail for each coin is 1/2. So,
[tex]\frac{1}{2}[/tex] × [tex]\frac{1}{2}[/tex] × [tex]\frac{1}{2}[/tex] = [tex]\frac{1}{8}[/tex]
There are 8 possible combinations that can come from tossing 3 coins at the same time: HHH, HHT, HTH, HTT, THH, THT , TTH , or TTT.
Every time you toss the 3 coins, there is a [tex]\frac{1}{8}[/tex] chance that you get either of these combinations. So,
[tex]\frac{1}{8}[/tex] + [tex]\frac{1}{8}[/tex] + [tex]\frac{1}{8}[/tex] = [tex]\frac{3}{8}[/tex]
The probability of tossing 2 tails and 1 head is 3/8.
Hope this helps.
1 Negative numbers do not need the
negative sign (-) in front of them.
O True
O False
Answer:
The answer is False
Step-by-step explanation:
Answer:
FALSE ALL NEGATIVE NUMBERS NEED A NEGATIVE SIGHT(-)
Step-by-step explanation:
-1,-2,-3, PLEASE MARK BRAINLEST
What are the zeros of f(x) = x2 - 8x+ 15?
Answer:
x=5 x=3
Step-by-step explanation:
f(x) = x^2 - 8x+ 15
Factor
What two numbers multiply to 15 and add to -8
-5*-3 = 15
-5+-3 = -8
f(x) = (x-5) (x-3)
Setting equal to 0
0= (x-5) (x-3)
Using the zero product property
x-5 =0 x-3=0
x=5 x=3
If mArc R V = mArc V U , what is mArc V U ? 47° 52° 64° 87°hat is mArc S T?
Answer:
The answer is below
Step-by-step explanation:
In circle O, RT and SU are diameters. Circle O is shown. Line segments S U and R T are diameters. Line segment O V is a radius. Point V is between points R and U. Angle S O R is (13 x) degrees and angle T O U is (15 x minus 8) degrees. If mArc R V = mArc V U , what is mArc V U ? 47° 52° 64° 87°
Given that:
mArc R V = mArc V U, Angle S O R = 13 x degrees and angle T O U = 15 x - 8 degrees
∠SOR = ∠TOU (Vertically opposite angles are equal). Therefore:
13 x = 15x - 8
solving by calculating the value of x to satisfy the equation: Subtracting 13x from both sides
13x - 13x = 15x - 8 - 13x
0 = 15x - 13x - 8
2x - 8 = 0
Adding 8 to both sides:
2x - 8 + 8 = 0 + 8
2x = 8
2x/2 = 8/2
x = 4
∠SOR = 13x = 13(4) = 52°
∠TOU = 15x - 8 = 15(4) - 8 = 60 - 8 = 52°
Let a = mArc R V = mArc V U
Therefore:
mArc R V + mArc V U + ∠TOU = 180 (sum of angles on a straight line)
Substituting:
a + a + 52 = 180
2a = 180-52
2a = 128
a = 128/2
a= 64°
mArc R V = mArc V U = 64°
Answer:
C) 64 degrees
Step-by-step explanation:
just took the test on edg2020
Determine whether the results below appear to have statistical significance, and also determine whether the results have practical significance. In a study of a weight loss program, 77 subjects lost an average of 4141 lbs. It is found that there is about a 4040% chance of getting such results with a diet that has no effect. Does the weight loss program have statistical significance?
Answer:
No, the weight loss program doesn't have statistical significance.
Step-by-step explanation:
We are given that in a study of a weight loss program, 7 subjects lost an average of 41 lbs.
It is found that there is about a 40% chance of getting such results with a diet that has no effect.
Firstly, statistical significance means that the event is sure to be happen and there is a proper statistical calculation behind it.
But here it is stated that there is a 40% chance of getting such results with a diet that has no effect which means that the event is unlikely to happen by chance and it is just a prediction so, the weight loss program is not statistically significant.
Now, practically significant means that there is a large difference in the subjects being tested.
Here, the weight loss program is considered to be practically significant because there is a large amount of weight loss of 43 lbs of the subjects which is a large amount.
Form a cubic polynomial whose zeroes are 2, 1/3 and 1/2.
Answer:
6x³ - 17x² + 11x - 2
Step-by-step explanation:
The cubic polynomial in general form is:
ax³+bx²+cx+d = (x-x1)(x-x2)(x-x3)zeroes are
x1=2, x2=1/3, x3=1/2then we can get the polynomial as:
(x-2)(x-1/3)(x-1/2)=0(x-2)(3x-1)(2x-1)=0(3x²-x-6x+2)(2x-1)=0(3x²-7x+2)(2x-1)=06x³-3x²-14x²+7x+4x- 2=06x³ - 17x² + 11x - 2= 0So the required polynomial is:
6x³ - 17x² + 11x - 2Answer:
f(x) = 6x³ - 17x² + 11x - 2
Step-by-step explanation:
Given the zeros x = 2, x = [tex]\frac{1}{3}[/tex], x = [tex]\frac{1}{2}[/tex] then the factors ar
(x - 2), (x - [tex]\frac{1}{3}[/tex] ), (x - [tex]\frac{1}{2}[/tex] )
By equating the fractional factors to zero we can express them as integer factors, that is
x - [tex]\frac{1}{3}[/tex] = 0 ( multiply through by 3 )
3x - 1 = 0
x - [tex]\frac{1}{2}[/tex] = 0 ( multiply through by 2 )
2x - 1 = 0
Thus the factors are (x - 2), (3x - 1), (2x - 1)
The polynomial is then the product of the factors.
f(x) = (x - 2)(3x - 1)(2x - 1) ← expand last 2 factors using FOIL
= (x - 2)(6x² - 5x + 1) ← distribute
= 6x³ - 5x² + x - 12x² + 10x - 2 ← collect like terms
f(x) = 6x³ - 17x² + 11x - 2 ← cubic polynomial
What is the volume of the sphere shown below?
O A. 69127 units
O B. 23047 units
O C. 1927 units
O D. 57677 units
Answer:
Step-by-step explanation:
r = 12
V = 4*pi * r^3 / 3
V = 4 * 3.14 * 12^3 /3
V = 4 * 3.14 * 1728 / 3
V = 4 * 5425.92 /3
V = 21703.68/3
V = 7234.56
None of the answers look correct.
Help is much appreciated. It is easy but, for me I am just confused.
What is the measure of ∠x angles are not necessarily drawn to scale.
Answer:
58 degrees
Step-by-step explanation:
The other two angles are 56 and 66 degrees and you know that all the angles add up to 180 degrees.
So just subtract:
180-56-66= 58 degrees
it works because the lines are parallel in the picture.
Classify the number -61.
1. Integer, rational, real
2. Rational, real
3. Whole, integer, rational, real
4. Natural, whole, integer, rational, real
Answer:
1. Integer, rational, and real
Step-by-step explanation:
Remember:
(This is how my teacher taught it; yours may have done it differently)
Real numbers are numbers that can be plotted on a number line.
Rational numbers can be represented as a fraction (if they can't be represented as such they are irrational).
Integers are natural numbers, the opposite of natural numbers, and zero.
Whole numbers are natural numbers and zero.
Natural numbers are numbers you can count with.
-61 fits under real numbers, rational numbers, and integers. Assuming you want to be as specific as possible, the answer will be 1. Integer, rational, and real.
write an equation to represent the cost of printing photos (C) in terms of the number photos printed (P)
(use picture for the information)
PLEASE answer asap! it will be appreciated.
Answer: C=0.20p
Step-by-step explanation:
As you could see if you print 10 photos you will have to pay 2 dollars which means if you print 1 photo you will have to pay 20 cents.