Answer:
.6 gallons per minute
Step-by-step explanation:
3/5=.6
Solve the inequality.
x + 2 > −2(8 − 2x)
Answer:
The inequality for x is x<6
Step-by-step explanation:
If helps mark as brainllest hope it helps
One angle of a triangle measures 92°. The other two angles are congruent.
Enter and solve an equation to find the measure x of the congruent angles.
An equation is
= 180.
The congruent angles each measure
O'
Answer:
Each angle measures 44°.
Step-by-step explanation:
Answer:
44°
Step-by-step explanation:
180-92=88
The trapezoid below has an area of 1,575 cm2.
pg616510
Which equation could you solve to find the height of the trapezoid?
A
850.5h = 1,575
B
1,701h = 1,575
C
45h = 1,575
D
90h = 1,575
The equation to solve the height of the trapezoid is 45h = 1,575
Given data ,
Let the area of the trapezoid be A
Now , the value of A = 1,575 cm²
And , the Top(base2) = 63cm and Bottom(base1) = 27 cm
Area of Trapezoid = ( ( a + b ) h ) / 2
where , a = shorter base of trapezium
b = longer base of trapezium
h = height of trapezium
On simplifying , we get
1,575 = (63 + 27) / 2 x h
1575 = 45h
Hence , the equation is 1575 = 45h
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The complete question is attached below :
The trapezoid has an area of 1,575 cm2, Which equation could you solve to find the height of the trapezoid?
A 850.5h = 1,575
B 1,701h = 1,575
C 90h = 1,575
D 45h = 1,575
Top(base2) = 63 cm
Bottom(base1) = 27 cm
Find an equation of the normal line to the curve y = x that is parallel to the line 6x y = 1.
The equation of the normal line to the curve \(y =\sqrt{x}\) that is parallel to the line 6x + y = 1 is \(y=-6x+1.\)
The given equation of curve \(y =\sqrt{x}\) which is parallel to line 6x+y=1.
Now 6x+y=1.
y=-6x+1
Differentiate with respect to 'x'.
\(\frac{dy}{dx} = -6\)..(1)
Slope of normal = -6
Curve equation \(y =\sqrt{x}\)
\(dy/dx=\frac{1}{2\sqrt{x}}\) ...(2)
Slope = \(\frac{1}{2\sqrt{x}}\)
Now the product of slopes of perpendicular lines is -1.
\(m_1m_2=-1\)
\(\frac{-6}{2\sqrt{x}}=-1\)
\(\frac{-3}{\sqrt{x}}=-1\)
x=9
When x=9 , y value is -53.
We already know the slope of the normal line is -6.
Let's use the point (9,-53) to write the equation of the normal line in point-slope form:
\(y-y_1=m(x-x_1)\)
\(y+53=-6(x-9)\)
\(y+53=-6x+54\)
\(y=-6x+1\)
Hence, y=-6x+1 is the equation of the normal line to the curve y =√x that is parallel to the line 6x + y = 1.
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Find an equation of the normal line to the curve y =√x that is parallel to the line 6x + y = 1.
Pedro loves to try new adventures. His most recent was jumping out of an airplane. His special watch tells him his altitude. He set a timer at the moment he opened his parachute. His altitude relative to sea level, A, in feet, which is a function of time, in minutes, is shown in the table below.
A t
11,100 4
7200 8
3300 12
A function could be written to describe the decent:
Blank 1
= (Blank 2
)t + Blank 3
The equation of the linear function is A(t) = -975t + 15000
How to determine the equation of the functionFrom the question, we have the following parameters that can be used in our computation:
The table of values
From the table of values, we have:
A(t) t
11,100 4
7200 8
3300 12
From the above table of values, we can see that
As t increase by 4, the value of A(t) decreases by 3900
This means that the table of values is a linear relation, and the slope is
slope = -3900/4
slope = -975
A linear equation is represented as
y = mx + c
Where
slope = m
So, we have
A(t) = -975t + c
Using the points on the table, we have
11000 = -975 * 4 + c
Evaluate
c = 15000
So, we have
A(t) = -975t + 15000
Hence, the equation is A(t) = -975t + 15000
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Three pens cost £1.05. How much would seven pens cost in pence
Answer:
The cost of 7 pens is Rs. 60, so 2.45
Step-by-step explanation:
find the cost of 7 pens. so 3 divided by 1.05 = 0.35 then multiply by 7 = 2.45 hope this helps can i get brainlyesti tried my best;]
It's asking me the translation of the shape but it has to be 4 right 1 up pls help me
Step-by-step explanation:
To get TO H FROM G is 4 LEFT and DOWN 1 .
If both fire their cannons at the same time, what is the probability that both the pirate and the Captain hit each other's ships?
the student body president of a high school claims to know the names of at least 100 identify the population and parameter of interst
Population: All students in the high school.
Parameter of interest: Proportion of students whose names are known by the student body president.
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List the numbers in order from least to greatest.
5/8, 1/2, 0.3 , -3/5 , -0.8 , -1/10
Answer:
-3/5, -1/10, -0.8, 0.3, 1/2, 5/8
Step-by-step explanation:
negatives are always less than positive numbers. As you can see the first numbers that are negative count down and then once it turns positive the numbers count up. For example, it goes -3,-1,-0 then 0,1,5
Question 6 of 10 Select the two values of x that are roots of this equation. X2 - 5x + 2 = 0 DA. X= 5-17 2 B. x = 5- 33 2 NE C. 5+ 33 2 D. x= 5+ 17 2
Given equation
\(x^2-5x+2=0\)use the quadratic equation,
\(x_{}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\)\(a=1,\: b=-5,\: c=2\)\(x_{}=\frac{-\left(-5\right)\pm\sqrt{\left(-5\right)^2-4\cdot\:1\cdot\:2}}{2\cdot\:1}\)consider the discrement,
\(\begin{gathered} \sqrt{\left(-5\right)^2-4\cdot\:1\cdot\:2} \\ =\sqrt{5^2-4\cdot\:1\cdot\:2} \\ =\sqrt{5^2-8} \\ =\sqrt{25-8} \\ =\sqrt{17} \end{gathered}\)Then,
\(\begin{gathered} x_{}=\frac{-\left(-5\right)\pm\sqrt{17}}{2\cdot\:1} \\ x_1=\frac{-\left(-5\right)+\sqrt{17}}{2\cdot\:1},\: x_2=\frac{-\left(-5\right)-\sqrt{17}}{2\cdot\:1} \\ \end{gathered}\)\(\begin{gathered} x=\frac{-\left(-5\right)+\sqrt{17}}{2\cdot\:1} \\ =\frac{5+\sqrt{17}}{2\cdot\:1} \\ x=\frac{5+\sqrt{17}}{2} \end{gathered}\)\(\begin{gathered} x=\frac{-\left(-5\right)-\sqrt{17}}{2\cdot\:1} \\ =\frac{5-\sqrt{17}}{2\cdot\:1} \\ =\frac{5-\sqrt{17}}{2} \\ \end{gathered}\)Answer : The solutions are, option A and D
\(\begin{gathered} x=\frac{5+\sqrt{17}}{2},\: x=\frac{5-\sqrt{17}}{2} \\ (or) \\ x=\frac{5\pm\sqrt[]{17}}{2} \end{gathered}\)We get statistics of 2017-2018 Average Starting Teacher Salaries by State measured by NEA. Given that the salary of Colorado is 33483, the sample size is 4,900 and the standard deviation is 602.694. a. What is the margin of error for a 95% confidence interval in Colorado
A student is taking a science course in which there will be four test, each worth 100 point. The student has a score of 91, 93, and 95 on the first three test. The student must make a total of at least 360 in order to get an A. What scores on the test will give the student an A.
Answer: 81 is the answer but it says what scores so you might be able to put 81 and above for example 82 83 84 and so on.
Step-by-step explanation:
If you add 91 93 and 95 you should get 279 then subtract 279 from 360 which will get u the answer which is 81 simple right now please giva a thanks like and rating if you found this helpful.
An automated car wah can wah 30 car in 5 hour. How long would it take to wah 120 car?
Repone
A 15 h B 20 h
C 25 h D 30 h
pleae help
It would take the automated car wash 20 hours to wash 120 cars.
What is rate ?
In general, a rate is a measure of how much of something happens within a certain period of time. It can be thought of as a ratio that compares two different units of measurement.
In the context of the problem, the rate at which the automated car wash can wash cars is the number of cars that it can wash per unit of time.
The rate at which the automated car wash can wash cars is 30 cars per 5 hours. To find out how long it would take to wash 120 cars, we can use the formula:
Time = (Number of cars / Rate)
Time = (120 cars / 30 cars per 5 hours)
Time = (120/30) * 5 hours
Time = 20 hours
So it would take the automated car wash 20 hours to wash 120 cars.
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The rate at which the automated car wash can wash cars is 30 cars per 5 hours. To find out how long it would take to wash 120 cars, we can use the formula:
Time = (Number of cars / Rate)
Time = (120 cars / 30 cars per 5 hours)
Time = (120/30) * 5 hours
Time = 20 hours
So it would take the automated car wash 20 hours to wash 120 cars.
09. Use Picard method to find y(1.1) correct to 4 decimal places, given that y' = -y?, y(1) = 1
The approximation for y(1.1) correct to 4 decimal places is approximately 0.5488.
To solve the initial value problem y' = -y, y(1) = 1 using the Picard method, we can start by setting up an iterative process to approximate the solution.
Let's denote the approximations as y0, y1, y2, ..., yn. The general formula for the Picard method is given by:
yn+1 = y0 + ∫(from x0 to xn) f(t, yn) dt,
where f(x, y) is the right-hand side of the differential equation.
In this case, f(x, y) = -y. So the iterative formula becomes:
yn+1 = y0 + ∫(from x0 to xn) (-yn) dt.
We can choose an initial approximation y0 = 1. Now, we need to compute the integral from x0 to xn.
Let's use the Picard method to approximate y(1.1):
n = 10 (number of iterations)
y0 = 1
h = (1.1 - 1)/n = 0.1/10 = 0.01
For i = 0 to n-1:
xi = 1 + i * h
yi+1 = y0 + ∫(from x0 to xi) (-yi) dt
Finally, we compute y(1.1) using the last approximation yn.
Let's calculate the solution using the given steps and values:
y0 = 1
For i = 0 to 9:
xi = 1 + i * 0.01
yi+1 = y0 + ∫(from 1 to xi) (-yi) dt
After performing the calculations, the approximation for y(1.1) correct to 4 decimal places is approximately 0.5488.
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WILL GIVE BRAINLEST !
hAVE A GOOD DAy :)!
What list all of the y-intercepts of the graphed functions?
The coordinate of the y-intercept of the given quadratic graph is: (0, -3)
What is the coordinate of the y-intercept?The general form of the equation of a line in slope intercept form is:
y = mx + c
where:
m is slope
c is y-intercept
The general form of quadratic equations is expressed as:
y = ax² + bx + c
Now, from the term y-intercept, we know that it is the point where the graph crosses the y-axis and as such, we have the coordinate from the graph as:
(0, -3)
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what is UT? Literally can't
In a right triangle, the Pythagorean theorem states that the sum of the legs squared is equal to the hypotenuse squared.
Or that a² + b² = c²
Where and and b are the legs and c is the hypotenuse
(Note that the hypotenuse is the longest side and the legs are the two shorter sides)
Finding UTHere, we are given the length of the hypotenuse as well as the length of one of the legs. Given this we are asked to find the other leg UT.
We can find the length of UT by plugging in the given values into the Pythagorean Theorem and then solving for the missing variable.
Because the given hypotenuse is 17 we can say that c = 17 and since a leg is given we can say that a = 8
Plugging this into the formula we acquire (b is UT or the other leg)
8² + b² = 17²
==> evaluate the exponents
64 + b² = 289
==> subtract 65 from both sides
b² = 225
==> take the square root of both sides
b = 15
The length of UT is 15
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use the equation i=6j-10 to find i when j=2
I =(6)(2)-10
I=12+-10
I=(12+-10)
I=2
2 is the final answer
sales for the dress department last year were $82,000. the manager for the department plans an increase of 12.5or this year. what is this year's projected sales volume?
Sales for the dress department last year were $82,000. The manager for the department plans an increase of 12.5% this year. So, the projected sales volume for this year is $92,250.
To calculate this year's projected sales volume we will add 12.5% of the sales of the last year to the sales of last year. This can be calculated by using the formula:
S = P + (P × r / 100)
Where S is new sales, P is old sales, and r is a rate of increase.
In this problem, the value of P is $82,000 and the rate of increase is 12.5%. Now, let's plug these values into the formula and solve for S:
S = P + (P × r / 100)
S = $82,000 + ($82,000 × 12.5 / 100)
S = $82,000 + $10,250S = $92,250
Hence, the projected sales volume for this year is $92,250.
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Write the domain and range of the function represented below. (2,9), (3, 4), (-1,2), (6, 1)
Domain:
Range:
Answer:
Domain: { 2 , 3 , − 1 , 6 }
Range: { 9 , 4 , 2 , 1 }
Step-by-step explanation:
I need help with someone explaining how to find the range of this! This course didn’t explain anything!
Answer:
\((-infinity,3)\), D
Step-by-step explanation:
3 if x is greater than or equal to 1 is nothing. That leaves us with \(h(x)=2x+1\) if x<1. If you substitute in 1 for x, you get 3, but of course that isn't possible, so the range is \((-infinity,3)\), which is D.
Kaitlyn and her sister go clothes shopping together. Kaitlyn wants to buy pajamas for $36.50 and slippers for $25.00. Her sister wants to buy the same pajamas for $36.50, a blouse for $46.00, and a scarf for $22.00. They are going to pay for their items together so they can use a coupon. The coupon has the following deals listed: $15 off $30, $40 off $120, or $100 off $250. Which coupon can be applied, and what will their total cost be at the clothing store?
36.5 + 25 + 36.5 + 46 + 22 = 166
they can use either the first or second one but the second one is the better deal
A group of friends wants to go to the amusement park. They have $469.75 to spend on parking and admission. Parking is $10.75, and tickets cost $38.25 per person, including tax. Which equation or tape diagram could be used to represent the context if xx represents the number of people who can go to the amusement park?
Answer:
12
Step-by-step explanation:
469.75-10.75 =
459 ÷ 38.25 =
12
The equation that could be used to represent the context the number of people who can go to the amusement park is; 10.75 + 38.25x = 469.75
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Given that the total amount to spent on amusement park = $469.75
And the parking fees = $10.75
The ticket cost per person = $38.25
Assume that the number of person = x
So the ticket cost for x person 38.25x
Thus the equation becomes;
10.75 + 38.25x = 469.75
Simplifying further we get;
38.25x = 469.75 - 10.75
38.25x = 459
Now dividing both sides by 38.25 we get
x = 459 /38.25
x = 12
Therefore, the equation that could be used to represent the context the number of people who can go to the amusement park is; 10.75 + 38.25x = 469.75
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Find the value of x.
45 3x
N
K
M
Answer:
I'm unable to understand your question please write it properly
what should I notice in every right triangle?
Answer:
Right triangles are triangles in which one of the interior angles is 90 degrees, a right angle. Since the three interior angles of a triangle add up to 180 degrees, in a right triangle, since one angle is always 90 degrees, the other two must always add up to 90 degrees (they are complementary).
The side opposite the right angle is called the hypotenuse. The sides adjacent to the right angle are the legs. When using the Pythagorean Theorem, the hypotenuse or its length is often labeled with a lower case c. The legs (or their lengths) are usually labeled a and b.
Step-by-step explanation:
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evaluate the triple integral. 16y dv, where e is bounded by the planes x = 0, y = 0, z = 0, and 2x 2y z = 4 e
The value of the triple integral is -16.
Triple integral is a mathematical concept used in calculus to calculate the volume of three-dimensional objects. It extends the concept of a single integral to functions of three variables and integrates over a region in three-dimensional space.
The triple integral of a function f(x, y, z) over a region E in three-dimensional space is denoted by:
∭E f(x, y, z) dV
We can set up the triple integral as follows:
∫∫∫ 16y dV
Where the limits of integration are:
0 ≤ x ≤ 2
0 ≤ y ≤ (2- \(x^2\)z)/(2y)
0 ≤ z ≤ 2/\(x^{2y\)
Note that the upper bound of integration for y is not a constant, but depends on both x and z.
Integrating with respect to y first, we get:
∫∫∫ 16y dV = ∫0^2 ∫\(0^(2-x^2z)/(2x)\)∫\(0^(2/x^2y) 16y dz dy dx\)
= ∫\(0^2\) ∫\(0^(2-x^2z)/(2x) 32/x dx dz\)
= ∫\(0^2\) [16(\(2-x^2z)/x^2\)] dz
= ∫\(0^2 (32/x^2 - 16z)\) dz
= 32∫\(0^2 x^-2 dx - 16\)∫\(0^2\)z dz
= 16 - 16(2)
= -16
Therefore, the value of the triple integral is -16.
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he food marketing institute shows that of households spend more than per week on groceries. assume the population proportion is and a simple random sample of households will be selected from the population. use the z-table. a. show the sampling distribution of , the sample proportion of households spending more than per week on groceries. 0.17 (to decimals) 0.0133 (to decimals) b. what is the probability that the sample proportion will be within of the population proportion (to decimals)? c. answer part (b) for a sample of households (to decimals). 0.0094
a. the sampling distribution is \(\sqrt{[(0.17 \times (1-0.17)) / n]}\)
b. The probability that the sample proportion is within 0.03 of the population proportion is 0.4101.
c. The probability that the sample proportion is within 0.03 of the population proportion for a sample of 200 households is 0.7738.
a. The sampling distribution of the sample proportion, \(\bar p\), can be approximated by a normal distribution with mean equal to the population proportion, p, and standard deviation equal to the square root of \([(p \times (1-p)) / n]\),
where n is the sample size.
Given that p = 0.17 and assuming a large enough sample size, we can use the formula to calculate the standard deviation of the sampling distribution:
Standard deviation = \(\sqrt{[(0.17 \times (1-0.17)) / n]}\)
b. To find the probability that the sample proportion will be within a certain range of the population proportion, we need to calculate the z-score for the lower and upper bounds of that range and then find the area under the normal curve between those z-scores.
Let's say we want to find the probability that the sample proportion is within 0.03 of the population proportion. This means we want to find
P(\(\bar p\)- p ≤ 0.03) = P((\(\bar p\)-- p) / \(\sqrt{[(p \times (1-p)) / n]}\) ≤ 0.03 / \(\sqrt{[(p \times (1-p)) / n]\)
We can use the standard normal distribution and z-scores to find this probability:
\(z_1\) = (0.03 / \(\sqrt{(0.17 \times (1-0.17)/n}\))
\(z_2\) = (-0.03 / \(\sqrt{(0.17 \times (1-0.17))/n}\))
We can find the probability that the z-score is between \(z_1\) and \(z_2\):
P(\(z_1\)≤ Z ≤ \(z_2\)) = P(-0.541 ≤ Z ≤ 0.541) = 0.4101
c. To answer part (c), we need to specify the sample size. Let's say we are taking a sample of 200 households.
Using the formula for standard deviation of the sampling distribution from part (a), we get:
Standard deviation = \(\sqrt{(0.17 \times(1-0.17)) / 200}\) = 0.034
Now we can repeat the same steps as in part (b) with this standard deviation:
\(z_1\) = (0.03 / 0.034)
\(z_2\) = (-0.03 / 0.034)
P(\(z_1\)≤ Z ≤ \(z_2\)) = P(-0.882 ≤ Z ≤ 0.882) = 0.7738
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someone help me with this problem pls
Answer:
de=104
fe=76
def=180
cfd=284
dfe=256
answer asap will make brainliest
Tim is 3 years older than his sister. Five years ago the sum of their ages was
19. How old is Tim now?
please include equation
Answer:
Step-by-step explanation:
If Tim is 3 years older and five years ago, the sum of their ages is nineteen you need to find two addends that are 3 greater than each other.
So, 11+8 = 19
Five years ago Tim was 11 and his sister was 8.
add 5 to 11 = 16
Tim is 16 now
I don't know the equation though sorry
Hope this helps you :)