−cz+6z=tz+83 solve for z
Answer:
z = 83 / (-c - t + 6)
Step-by-step explanation:
Correct answer on Khan Academy
Write an equation of the line, in point-slope form, that passes through points (3,-10) and (-5,-2)
Equation of the line, in point-slope form, that passes through points (3,-10) and (-5,-2) is y + 10 = -(x - 3).
What are lines and their slopes?We know lines have various types of equations, the general type is
Ax + By + c = 0, and equation of a line in slope-intercept form is y = mx + b.
Where slope = m and b = y-intercept.
the slope is the rate of change of the y-axis with respect to the x-axis and the y-intercept is the (0,b) where the line intersects the y-axis at x = 0.
Given it has points (3,-10) and (-5,-2) and we know slope(m)
= (y₂ - y₁)/(x₂ - x₁).
= (-2 + 10)/(-5 - 3).
= 8/-8.
= -1.
Equation of a line in point-slope form is (y - y₁) = m(x - x₁).
y - (-10) = -1(x - 3).
y + 10 = -(x - 3).
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Which line is parallel to the line given below?
Y=_4/3x+1
A.3x+4y=8
B.3x-4y=-28
C.4x+3y=-15
D.4x-3y=9
What is the value of x?
Enter your answer in the box
13 is top 12 is bottem and the left is X
the high temperature on friday was 8 degrees above zero
PLEASE HELP!!!!!!
What is the value of t?
t-12/2=3t/2 - 3
A)-3
B)-1
C)1
D)3
Answer:
D i aready took the test
Step-by-step explanation:
how do you divide polynomials using long division
Final answer:
The process of dividing polynomials using long division involves dividing the leading terms, multiplying and subtracting to find the remainder, and repeating the process until completion. This method ensures proper management of exponents through subtraction while dividing coefficients.
Explanation:
Dividing Polynomials Using Long Division
To divide polynomials using long division, you should follow these steps:
Write the dividend (the polynomial to be divided) and the divisor (the polynomial by which to divide) in a long division format.Divide the leading term of the dividend by the leading term of the divisor to get the first term of the quotient. Multiply the divisor by this first term of the quotient and write the result beneath the dividend.Subtract this result from the dividend to get a remainder. Bring down the next term of the dividend if necessary.Repeat steps 2 to 4 until there are no more terms to bring down in the dividend.The result is the quotient, with a possible remainder. If there is a remainder, it can be written as the remainder over the divisor.Remember that when you divide the exponents in division of exponentials, you should subtract the exponents while dividing the coefficients normally.
By applying these steps, we achieve a quotient and remainder that satisfy the equation: Dividend = (Divisor × Quotient) + Remainder. This technique is especially useful for division of exponentials where you maintain equality by dividing both sides of an equation and properly manage exponents.
Write the equation you would use to solve each problem; then solve.
The quotient of a number and 15 is 120. Find the number
Find the probability that when a couple has two children, at least one of them is a boy. (Assume that boys and girls are equally likely.)
The probability that when a couple has two children, at least one of them is a boy is 0.75.
Based on the information given, the sample space will be (BB, BG, GB, GG)
where,
B = Boy
G = Girl
Therefore, based on the sample space given, at least a boy occurs in 3 places out of 4. This will be 3/4 = 0.75.
In conclusion, the correct option is 0.75.
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The probability of a couple having at least one boy when they have two children is 75%, as three out of four possible outcomes include at least one boy. These outcomes are two boys, a boy then a girl, and a girl then a boy.
Explanation:The subject of the question is probability which is a branch of mathematics. In order to find the probability that when a couple has two children, at least one of them is a boy, we need to analyze possible outcomes. The couple could have two boys (BB), a boy and a girl (BG), a girl and a boy (GB), or two girls (GG). Hence, the total unique outcomes are 4 (BB, BG, GB, GG).
Considering at least one boy, the possible outcomes could be BB, BG, GB, which are 3 possibilities. Finally, the probability is given as the ratio of favorable outcomes to the total number of outcomes. So the probability of having at least one boy is 3/4 or 75%.
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After t years, the amount of money in a savings account that earns simple interest is p + prt, where p is the starting amount and r is the yearly interest rate. factor this expression.
Final answer:
The equation of simple interest p + prt can be factored by taking out the common factor p, resulting in a factored expression of p(1 + rt).
Explanation:
The equation p + prt represents the total amount of money in a savings account after t years when interest is earned at a simple interest rate of r on the principal amount p. To factor this expression, we look for the greatest common factor present in each term. Here, the common factor is the principal amount p.
Therefore, the factored form of the expression is p(1 + rt). This shows that the total amount is composed of the initial principal plus the product of the principal, the rate, and the time.
This differs from compound interest, where the interest earned is added to the principal at each compounding period, leading to interest on interest. Simple interest calculations are straightforward and don't involve this compounding effect, making it simpler to calculate future values manually or using online calculators.
What is the return value of "select".substring(4, 4)?
The expression "select".substring(4, 4) will return an empty string, as the start and end indices are the same and no characters are included in the specified range.
Explanation:The substring method in many programming languages, including Java and JavaScript, is used to extract a portion of a string between two specified indices. In the expression "select".substring(4, 4), we are asking for the part of the string starting at index 4 and up to, but not including, index 4. Since the start and end indices are the same, the method will return an empty string.
It's important to note that string indices are zero-based, meaning that the first character of the string is at index 0. The string "select" has six characters, with indices ranging from 0 to 5. Therefore, calling substring with identical start and end indices will not include any characters in the resulting string.
Example:To retrieve the first character of "select", you would use "select".substring(0, 1).To retrieve "lec" from "select", you would use "select".substring(1, 4).Can Anyone Help Me
A relation is a special type of function.
A. True
B. False
What is 4x+5(7x-3)=9(x-5)
The midpoint of UV is (5, -10). The coordinates of one endpoint are U(3,6). Find the coordinates of endpoint V.
How do I use the midpoint formula for this?
Point ___is the vertex of the angle marked in the figure.
Answer:
The vertex is the point E
Step-by-step explanation:
we know that
The angle marked in the figure is the angle [tex]<CEB[/tex]
therefore
The vertex is the point E
Answer:
Yes the person is right I got it right on the test
Step-by-step explanation:
c = 0.20m + 2.00 what is the charge for 1mile ride?
What is the value of x?
Enter your answer in the box.
X=
Two airplanes left the same airport and arrived at the same destination at the same time. The first airplane left at 8:00 a.m. and traveled at an average rate of 496 miles per hour. The second airplane left at 8:30 a.m. and traveled at an average rate of 558 miles per hour. Let x represent the number of hours that the first plane traveled.
How many hours did it take the first plane to travel to the destination?
Enter an equation that can be used to solve this problem in the first box.
Solve for x and enter the number of hours in the second box.
Equation:
x =
h
The formula for distance is equal to:
d = v * t
where d is distance, v is velocity or speed, and t is time
Since the distance travelled by the two airplane is similar, therefore we can create the initial equation:
v1 * t1 = v2 * t2
We know that v1 = 496, and v2 = 558 so:
496 t1 = 558 t2
or
x = 558 t2 / 496
We also know that airplane 1 travelled 30 minutes (0.5 hours) earlier than airplane 2, therefore:
x = t2 + 0.5
Hence,
496 (t2 + 0.5) = 558 t2
496 t2 + 248 = 558 t2
t2 = 4 hours
x = t2 + 0.5 = 4 + 0.5
x = 4.5 hours
So the equation is:
x = 558 t2 / 496
And the first plane travelled:
x = 4.5 hours
HELP NEED QUICKLY ILL GIVE A BRAINLIEST!!!
Mrs. Mac puts money in her piggy bank every week. The function graphed can be used to model the total amount of money in her piggy bank x week after her birthday given Mrs. Mac’s birthday is at x = 0.
1.What is the x intercept and what does it represent?
2.What is the y-intercept and what does it represent?
3.What is the slope and what does it represent?
A) X intercept is -12, this represent the number of weeks before her birthday she started saving money
B) Y intercept = 3, this is the amount of money she has in her piggy bank before her birthday
C) slope = change in Y over the change in X = 1/4, this means she is saving 25 cents per week
Each morning Papa notes the birds feeding on his bird feeder. So far this month, he has seen 59 blue jays, 68 black crows, 12 red robins, and 1 cardinal. If 300 birds visit Papa'S bird feeder, how many blue jays can he expect to see?
Please Need Help! Which of the following is true for the relation f(x) = 5x + 1?
A- Both the equation and its inverse are functions.
B- Only the inverse is a function.
C- Only the equation is a function.
D- Neither the equation nor its inverse is a function.
If it is 11:15
a.m. at teens high school, then a bell will ring. which of these is true?
a. if a bell is not ringing, then it must not be 11:15.
b. if a bell is ringing, then it is 11:15.
c. if it is not 11:15, then a bell will not ring.
d. if a bell is ringing, then it is not 11:15.
e. if a bell is not ringing, then it is 11:15.
Mark all statements that are true
A: this graph is not a function because the value x=3 is assigned to more than one y-value.
B: this graph is a function because the value of x is the same for every value of y
C: the equation of this line is x=3
D: this graph is a function whose domain is the set ( 3 )
Dylan's hiking club is planning to stay overnight at a camping Lodge. Each large room can hold 15 hikers. There are 154 hikers. How many rooms will they have?
for the equation 7x+3y-5=0, find the missing coordinate or the ordered pair so that it is a solution (?,4)
Sean, a freelance editor, charges the rates shown in the table below to edit manuscripts. The cost per page increases as the quality of editing improves. Sean also gives a 5% discount if the entire amount is paid up front.
A 2 column table with Type of Editing and Cost per page as the column headings. Express Proofreading costs 2 dollars, Basic Pro
Michelle has an 85-page manuscript. The equation below shows the relationship between the total cost of editing 85 pages, T, and the cost per page, c, if she gets the 5% discount:
85c − 0.05(85c) = T
Using the equation, what is the best quality of editing that Michelle can get done for a maximum of $161.50?
a.Express proofreading
b.Basic proofreading
c.Extended proofreading
d. Deep editing
Answer:
option (a) Express proof reading
Step-by-step explanation:
Michelle has an 85-page manuscript. To calculate the total cost of printing equation will be
85c - 0.05( 85c ) = T
where c = cost per page and T = total cost on editing 85 pages.
If total cost of editing is $161.50, then we have to find the best quality of editing Michelle can get.
85(c) - (0.05)(85c) = 161.50
85c - 4.25c = 161.50
80.75c = 161.50
⇒ c = $ 2 per page
As it has been given in the question that express proof reading costs $2.00 per page, so the best quality of editing Michelle can get is option (a) Express proof reading
Evaluate 8 + W/4 when W = 16.
The evaluation of the algebraic expression 8 + w/4 when w = 16 is 12
How to evaluate algebraic expressionGiven:
8 + w/4
when,
w = 16
substitute w = 16 into the expression8 + 16/4
= 8 + 4
= 12
Therefore, evaluation of the algebraic expression 8 + w/4 when w = 16 is 12
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What is the average rate of change of f(x) = −2x + 1 from x = −5 to x = 1?
Write a compound inequality to represent all of the numbers between -4 and 6.
Answer: -4<x<6 would be the compound inequality
Step-by-step explanation:
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You need to sell 250 candy bars at $2 each. If you meet your goal, the total amount of money you will have is measured in the _____.
A. hundreds
B. tens
C. ones
D. thousands