Find the equation of the line that is parallel to the given line and passes through the given point.
y = −4x + 7; (9, 5)
The equation is y =__________.
Answers
Answer:
y= 4 x
Step-by-step explanation:
y =4x − 7
Choose a point that the parallel line will pass through.
(0 , 0 )
Use the slope-intercept form to find the slope.
Tap for fewer steps...
The slope-intercept form is
y = m x+ b , where m is the slope and b is the y-intercept. y = m x + b
Using the slope-intercept form, the slope is
4 . m = 4
To find an equation that is parallel to y = 4 x − 7 , the slopes must be equal. Using the slope of the equation, find the parallel line using the point-slope formula.
( 0 , 0 ) m = 4
Using the point-slope form
y − y 1 = m ( x −x 1 ) , plug in m = 4 , x 1 = 0 , and y 1 = 0 .
y − ( 0 ) = ( 4 )( x − ( 0 ) )
Solve for y.
Subtract 0 from y .
y = ( 4 ) ( x − ( 0 ) )
Subtract 0 from x .
y= 4 x
HOPE THIS HELPS!
pLEASE MARK bRAINLIEST! :)
Related Questions
40x +16y = ( + )
plz help me
Answers
Answer:
Write in Slope-Intercept Form
Graph
Find the x and y Intercepts
Find the Slope
Find the Slope and y-intercept
Write in y=mx+b Form
Write in Standard Form
Bbutnechccer ooor we e iw
My teacher wants me to solve 10 * 10 how do you do it
Answers
Answer:
100
Step-by-step explanation:
bro are you special
When you multiply with zeros, look at the digits that are not zero and multiply. 1 x 1= 1. After multiplying, add however many zeros you have behind that number. There are two zeros so your answer would be 100.
Find the value of x, 6,4, 3x, 4x+1
Answers
Answer:
If two chords intersect in a circle, then the product of the segments of one chord equals the product of the segments of the other chord.
6(3x) = 4(4x + 1)
18x = 16x + 4
2x = 4
x = 2
A dress that normally sells for $50 is on sale for $10. What is the percent decrease in the price?
Answers
Answer:
80%
Step-by-step explanation:
So the dress originally sold for $50, and it went down by $40 to reach $10. So, because it went down by $40, the way we figure out the percentage we need to figure out the fraction. The fraction is 40/50. So if a percentage is a fraction out of 100, then 40/50 is 80/100. The dress dropped by 80%.
Alan and Alan Connor have ₹6.70 in total
Alan has ₹1.70 more than Conner
Let a be the amount of money Alan has.
Let a be the amount of money Connor has
Set up a pair of simultaneous equations and solve to find out how much each person has
Answers
Answer: We can set up the following pair of simultaneous equations:
a + c = 6.70 (equation 1) (the total amount of money they have is ₹6.70)
a = c + 1.70 (equation 2) (Alan has ₹1.70 more than Conner)
We can substitute equation 2 into equation 1 to eliminate a:
(c + 1.70) + c = 6.70
Simplifying and solving for c:
2c + 1.70 = 6.70
2c = 5.00
c = 2.50
So Connor has ₹2.50.
We can substitute this value into equation 2 to find the value of a:
a = c + 1.70
a = 2.50 + 1.70
a = 4.20
Therefore, Alan has ₹4.20.
(q1) Find the length of the curve described by the function
Answers
The value of the Integral at the lower limit from the value of the integral at the upper limit to get the length of the curve.
The length of the curve described by the function f(x) = 1 + 3x^2 + 2x^3 is to be found. The formula used to find the length of a curve is:
L = ∫(sqrt(1 + [f'(x)]^2))dx where f'(x) is the derivative of f(x)We have to first find f'(x):f(x) = 1 + 3x^2 + 2x^3f'(x) = 6x + 6x^2
The integral becomes:L = ∫(sqrt(1 + [6x + 6x^2]^2))dx = ∫(sqrt(1 + 36x^2 + 72x^3 + 36x^4))dx The integral appears to be difficult to evaluate by hand.
Therefore, we use software like Mathematica or Wolfram Alpha to solve the problem. Integrating the expression using Wolfram Alpha gives:
L = 1/54(9sqrt(10)arcsinh(3xsqrt(2/5)) + 2sqrt(5)(2x^2 + 3x)sqrt(9x^2 + 4))The limits of integration are not given. Therefore, the definite integral be solved.
We can, however, find a general solution. We use the above formula and substitute the limits of integration.
Then, we subtract the value of the integral at the lower limit from the value of the integral at the upper limit to get the length of the curve.
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How would you explain the way to solve #18 for the value of the variable?
Answers
Answer:
x = 75°Step-by-step explanation:
We know that:
2x - 30 = 45 + x (Reason in picture)Solution:
2x - 30 = 45 + x=> 2x - x = 45 + 30=> x = 75°Hence, the value of x is 75°
3x1+7x2+s1=56
x1+6x2+s2=56
Answers
Answer:
182+
that's all,
and "S" cant be added in x,+, etc.
Step-by-step explanation:
Using BODMAS
\(3 \times 1 + 7 \times 2 + s1 = 56\)
multiplication before addition
\((3 \times 1) + (7 \times 2) + s1 = 56\)
\(3 + 14 + s1 = 56\)
\(17 + s1 = 56\)
\(s1 = 56 - 17\)
\(s1 = 39\)
divide through by 1
\(s = 39\)
PLEASE mark BRAINLIEST if u are satisfied with this answer
Activity trackers are electronic devices that people wear to record physical activity. Researchers wanted to estimate the mean number of steps taken on a typical workday for people working in New York City who wear such trackers. A random sample of 61 people working in New York City who wear an activity tracker was selected. The number of steps taken on a typical workday for each person in the sample was recorded. The mean was 9,797 steps and the standard deviation was 2,313 steps.
a. Construct and interpret a 99 percent confidence interval for the mean number of steps taken on a typical workday for all people working in New York City who wear an activity tracker.
b. A wellness director at a company in New York City wants to investigate whether it is unusual for one person working in the city who wears an activity tracker to record approximately 8,500 steps on a typical workday. Is it appropriate to use the confidence interval found in part (a) to conduct the investigation.
Answers
Answer:
a) The 99% confidence interval for the mean number of steps taken on a typical workday for all people working in New York City who wear an activity tracker is (9,009, 10,585).
We are 95% confident that the mean number of steps taken on a typical workday for all people working in New York City who wear an activity tracker is within 9,009 and 10,585 steps.
b) No, we can not use the confidence interval to estimate the probability of individual values. It can onlybe used to make inference about the population mean.
Step-by-step explanation:
a) We have to calculate a 99% confidence interval for the mean.
The population standard deviation is not known, so we have to estimate it from the sample standard deviation and use a t-students distribution to calculate the critical value.
The sample mean is M=9,797.
Ths sample standard deviation is s=2,313.
The sample size is N=61.
When σ is not known, s divided by the square root of N is used as an estimate of σM:
\(s_M=\dfrac{s}{\sqrt{N}}=\dfrac{2313}{\sqrt{61}}=\dfrac{2313}{7.81}=296.15\)
The degrees of freedom for this sample size are:
\(df=n-1=61-1=60\)
The t-value for a 99% confidence interval and 61 degrees of freedom is t=2.66.
The margin of error (MOE) can be calculated as:
\(MOE=t\cdot s_M=2.66 \cdot 296.15=787.84\)
Then, the lower and upper bounds of the confidence interval are:
\(LL=M-t \cdot s_M = 9797-787.84=9009\\\\UL=M+t \cdot s_M = 9797+787.84=10585\)
The 99% confidence interval for the mean number of steps taken on a typical workday for all people working in New York City who wear an activity tracker is (9,009, 10,585).
b) The value of 8,500 steps is outside the confidence interval, but this means that it is an unusual value for the mean number of steps for all people in New York City who wear an activity tracker.
We can not use the confidence interval to estimate the probability of individual values.
The activity tracking devices.
The activity tracker re those devices such as watches and a bands that tells you about your physical activity such as skipping, running, and walking. They simply count the steps and tell you about the daily goals and targets. They are quite effective for monitoring blood pressure and more.
Thus answer is 9,009, 10,585 workers, 9,009, and 10,585 steps and population mean.
As per the question, the smart trackers are used by the new york people on a daily basis and they measure the footsteps of the people. A sample of random 61 people was taken and selected on the basis of the tracers. It was found that with these statistical tests a 99% confidence interval was taken for the mean on a typical workday for all people working in City that is 9,009, 10,585. The 95% confidence that the mean number of steps taken by workers of the City was within 9,009 and 10,585 steps.The confidence interval can be used to estimate the probability of the individual values. It can be used for drawing inferences for the population mean.Learn more about the trackers are electronic.
brainly.com/question/17434350.
what is the x-intercept of th line 6x-3y=24
Answers
Answer:
4
Step-by-step explanation:
The \(x\) intercept is where \(y=0\).
\(6x-3(0)=24 \\ \\ 6x=24 \\ \\ x=4\)
which situation can be represented by the oppisite of -7
Answers
Answer:
7
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
the opposite of -7 is 7......
A Triangle has a height that is half of 28 yards and an area of 56 yards^2. What is the length of the base of the trangle?
Answers
The length of the base of the triangle is 8 yards whose height is half of 28 yards.
What is triangle?A triangle is a two-dimensional geometric shape that is formed by three straight lines that connect three non-collinear points. These three lines are called the sides of the triangle, and the points where the sides meet are called the vertices of the triangle.
According to question:The following formula provides the area of a triangle:
Area = (1/2) x base x height
We are given that the height of the triangle is half of 28 yards, which is:
height = 1/2 x 28 = 14 yards
We are also given that the area of the triangle is 56 square yards. Substituting these values into the formula for the area, we get:
56 = (1/2) x base x 14
Simplifying this equation, we get:
56 = 7 x base
Dividing both sides by 7, we get:
base = 8
Therefore, the length of the base of the triangle is 8 yards.
The vertices are typically denoted by letters, such as A, B, and C. The three angles formed by the sides are also part of the triangle.
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-2x-y+10-x+7y-5 simplified please show steps
Answers
Answer:
-3x+6y+5
Step-by-step explanation:
The equation- -2x-y+10-x+7y-5
Next, combine all the x, y, and real numbers.
X's: (-2x)+(-x)= -3x
Y's: (-y)+(7y)=6y
Real Numbers: (10)+(-5)=5
insert back into an equation
-3x+6y+5
:-) hope this helps
jijijjjjijij the question thingy
Answers
Answer:
yes sir and thank u very good sir I am not sure how to get a new job
A ________ function specifies the relationship between the demand for a product LaTeX: x and the price of the product LaTeX: p.
Answers
Answer:
Price demand function
Step-by-step explanation:
The price demand function is the function in which there is a relationship between the demand and the price of the product
The Price demand function is
\(= Price \times demand\)
\(= p \times x\)
hence, the price demand function represents that there is a relationship that lies between the demand and the price
At the start of a game of marbles, Peter and Jack had 160 marbles in all. In the first round, Peter lost 3/5 of his marbles to Jack. In the second round, James lost 3/7 of his marbles to Peter. At the end of the second round of the game, they had the same number of marbles. How many marbles did each of them have at first?
Answers
Answer: Therefore, at the start of the game, Peter had 80 marbles and Jack had 80 marbles.
Step-by-step explanation:
which expression is equivalent to the given expression -2x^2+8x-9+4x+7x^2+2
Answers
Answer:
-2x^2+8x-9+4x+7x^2+2 = 5x²+12x-7
Step-by-step explanation:
Triangle ABC has 3 medians drawn creating centroid D. If a centroid creates a 2:1 ratio and one median is 24 inches, what is the larger piece?
PLS HELP ASAP! WILL MARK BRAINLEST!! THX :)
Answers
Answer: The larger piece is 16 inches
Step-by-step explanation: Median of a triangle is a line segment uniting a vertex and the midpoint of the opposite side. A triangle has 3 medians and the point where these 3 intersect is called centroid.
The ratio of one median is 2:1, which means the line segment is divides by the centroid into two parts, one the double of the other. So:
2x + x = 24
3x = 24
x = 8
Then, the larger piece is
2x = 2(8) = 16
The larger part of the median measuring 24 inches is 16 inches
PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE ANSWERRRRRRRRRRRRRRRRRRR WILL GIVE BRAINLISTTTTTTTTTTTT
Answers
Answer:
B
Step-by-step explanation:
B because you have to add. It says total amount and x represents the number of miles of the ride
you want to talk from home to a shoe store that is 5/8 miles away. you stop for a rest after 1/4 miless. how much farther do you have to walk
Answers
Answer:
\(\frac{3}{8}\) miles
You have to walk \(\frac{3}{8}\) more miles to get to the shoe store.
Step-by-step explanation:
So first, we have to convert the \(\frac{1}{4}\) to a fraction that has a denominator of 8, which we are going to multiply 2 on both top & bottom. Equation-
\(\frac{1}{4}\) * \(\frac{2}{2}\) = \(\frac{2}{8}\)
And then, the house to shoe store is \(\frac{5}{8}\) miles as we know from the question. We subtract the distance by \(\frac{2}{8}\), because that is how much we've walked already. And we know that when we are subtracting fraction, we need to make sure the denominators are the same and we ONLY subtract the numerator. So the equation would be like this-
\(\frac{5}{8}\) - \(\frac{2}{8}\) = \(\frac{3}{8}\)
And we got the answer- \(\frac{3}{8}\) miles
Please give Brainliest if this helps!!!
Thank you so much!
Have a great day!
XZ¯¯¯¯¯¯¯¯ has a point Y between points X and Z. XY=17, YZ=4x+9, and XZ=11x−9.
Answers
Applying the segment addition postulate, the value of x = 5.
What is the Segment Addition Postulate?According to the segment addition postulate, if three lines, X, Y, and Z are collinear points, that is they lie on a straight line such that Y is between points X and Z, then the sum of the lengths of segments XY and YZ would be equal to the length of segment XZ.
Therefore:
XY + YZ = XZ [segment addition postulate]
Given:
XY = 17
YZ = 4x + 9
XZ = 11x − 9.
Substitute
17 + 4x + 9 = 11x - 9
26 + 4x = 11x - 9
26 + 9 = 11x - 4x
35 = 7x
35/7 = x
x = 5
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Find the real zeros of the polynomial function
f
(
x
)
=
(
x
+
7
)
(
9
x^2
+
5
x
+
4
)
.
Answers
Answer:
x = -7
Step-by-step explanation:
Since f(x) = \((x+7)(9x^2+5x+4)\), we can set both equal to 0.
x + 7 = 0 will give us x = -7.
Now, in the second equation, we will plug into the quadratic formula, when we do that, the number inside the discriminator (which is the square root) is -119. A square root of a negative number is imaginary and not real.
Therefore, the only real zero of the polynomial is -7
find the indicated side of the right triangle. 45 degrees, 45 degrees, 6, y, x, x = ?
Answers
3√2 and 3 are the values of x and y respectively from the figure.
Trigonometry identitiesThe given diagram is a right triangle with an acute angle of 45 degrees
We need to determine the values of variables x and y.
Applying the trigonometry identity, we will have:
sin 45 = opposite/hypotenuse
sin45 = 3/x
x = 3/sin45
x = 3/(1/√2)
x = 3√2
Similarly:
tan 45 = opposite/adjacent
tan 45 = 3/y
1 = 3/y
y = 3
Hence the values of x and y from the figure is 3√2 and 3 respectively
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help me I don't know which one it is ASAP
Answers
Answer: It is credit discount.
Step-by-step explanation:
Answer:
Markup
Step-by-step explanation:
It is a markup because they use a markup to make profit. I hope this helps, :)
Robert's book bag is weighing him down. His bag alone weighs 4 pounds. His library book
weighs 2 pounds. The math book is 4 times the weight of the library book, and his science
book is 2 times the weight of the math book. How much does his book bag weigh with all
these books? What is the heaviest book in his book bag?
Answers
The library book weighs 2 pounds.
The math book is 4 times the weight of the library book, so it weighs 4 * 2 = 8 pounds.
The science book is 2 times the weight of the math book, so it weighs 2 * 8 = 16 pounds.
To find the total weight of Robert's book bag, we add the weights of all the books and the bag:
4 pounds (bag) + 2 pounds (library book) + 8 pounds (math book) + 16 pounds (science book) = 30 pounds.
Therefore, Robert's book bag weighs 30 pounds with all these books.
To determine the heaviest book in his book bag, we compare the weights of the books:
The bag weighs 4 pounds.
The library book weighs 2 pounds.
The math book weighs 8 pounds.
The science book weighs 16 pounds.
From these options, the science book is the heaviest, weighing 16 pounds.
Answer:
1) 30 pounds is the weight of the bag all together
2) science book is the heaviest book
Step-by-step explanation:
bag=4 pounds
library book=2 pounds
maths book=2×4=8 pounds
science book=8×2=16 pounds
4+2+8+16=30 pounds all together
heaviest book= science book (16 pounds)
Find the product: 5(2x2 + 4x + 3)
Answers
Answer:
10x^2+20x+15
Step-by-step explanation:
5(2x^2+4x+3)
u distributed it and u get
10x^2+20x+15
Answer: I am pretty sure it is 115+20x
Step-by-step explanation: You have to do distributive Property
10 times 10+ 20x+15
100+20x+15
115+20x
What is the value of the expression 9(2)+1•8?
Answers
Answer:
19.8
Step-by-step explanation:
Answer:
26
Step-by-step explanation:
When we find the values of questions like this, we have to remember to use "PEMDAS".
Because multiplication comes before addition, we have to multiply first.
(Since there are two multiplication parts in the question, we start off by the first one.)
When we multiply both parts, we'll get:
\((18)+(8)\), which equals to 26.
So, your answer is 26.
-6xy if x=-2 y=3
Help
Answers
Answer: 8
Step-by-step explanation:
Find the volume of a sphere with radius 2
Answers
Answer:
r=3
V=4÷3× pi× r³=4×3×27÷3=108
Which sum or difference is modeled by the algebra tiles
Answers
Answer:
i believe the answer that you picked is right ....i think ^^