10 miles = 16km
\(\begin{gathered} \frac{10\text{ miles}}{16\text{ km}}\text{ = }\frac{?\text{ miles}}{140\text{ km}} \\ \\ 16\operatorname{km}\text{ x 8.75 = 140km} \end{gathered}\)The ratio of points scored by Jennie, Sarah, and Sadie in the basketball games played last week was 1:3:5. If jenny scored 10 points last week, what was the total number of points scored by these three girls?
-Write and Equation and Solve.
The ratio of points scored by Jennie, Sarah, and Sadie in the basketball games played last week was 1:3:5. If jenny scored 10 points last week, what was the total number of points scored by these three girls?
|| Answer ||The ratio of points scored by Jennie, Sarah, and Sadie in the basketball games played last week was 1:3:5.
jenny scored 10 points last week game.
=> 1x, 3x, 5x.
=> 1(10), 3(10) , 5(10)
=> 10, 30, 50
Therefore, The points scored by Jennie, Sarah, and Sadie in the basketball game played last week was 10, 30, 50
The total number of points scored by these three girls are:- 10+30+50 = 90
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Answer:
Very Small as if the exponent is negative it means that the number is a fraction
Step-by-step explanation:
A dairy needs 372 gallons of milk containing 6% butterfat. How many gallons each of milk containing 7% butterfat and milk containing 3% butterfat must be used to obtain the desired 372 gallons?
Guys I need your help, help me with this question please
Answer:
actually I am sorry I dont rly know but I need some points
Step-by-step explanation:
Zoom it in if u can’t see
But what is the slope
Answer:
5/-2
Step-by-step explanation:
the slope formula is rise over run. the rise is 5 and the run is -2. in decimal form the answer is -2.5
what is the length of a non-face diagonal of a 4-in. cube?
The length of the diagonal is
\(4\sqrt[]{2}\text{ in}\)Explanation:The length of the diagonal, d can be obtained by applying the Pythagorean Theorem.
\(\begin{gathered} d^2=4^2+4^2 \\ =2(4^2) \\ d=4\sqrt[]{2} \end{gathered}\)
Use the function below to find F(4)
Answer:
A 256/3
Step-by-step explanation:
1/3 * 4^4 =
1/3 * (4*4*4*4) =
1/3 * 256 = 256/3
Answer:
A = 256/3
Step-by-step explanation:
F(x) = 1/3 × 4ˣ = 4ˣ/3
F(4) = 4⁴/3 = 256/3
What is the shape of the cross section of the figure that is perpendicular to the triangular bases and passes through a
vertex of the triangular bases?
A
a parallelogram that is not a rectangle
O a rectangle
O a triangle that must have the same dimensions as the bases
O a triangle that may not have the same dimensions as the bases
Answer:
a triangle that may not have the same dimensions as the bases
Step-by-step explanation:
The cross section of the figure that is perpendicular to the triangular bases and passes through a vertex of the triangular bases would be a triangle that may not have the same dimensions as the bases.
If the function y=sin(x) is transformed to y = sin(2x), how does the graph change?
It is stretched vertically.
It is compressed vertically.
It is stretched horizontally.
It is compressed horizontally..
Step-by-step explanation:
The transformation y = sin(2x) affects the graph of y = sin(x) by compressing it horizontally.
The function y = sin(2x) has a coefficient of 2 in front of the x variable. This means that for every x value in the original function, the transformed function will have half the x value.
To see the effect of this transformation, let's compare the graphs of y = sin(x) and y = sin(2x) by plotting some points:
For y = sin(x):
x = 0, y = 0
x = π/2, y = 1
x = π, y = 0
x = 3π/2, y = -1
x = 2π, y = 0
For y = sin(2x):
x = 0, y = 0
x = π/2, y = 0
x = π, y = 0
x = 3π/2, y = 0
x = 2π, y = 0
As you can see, the y-values of the transformed function remain the same as the original function at every x-value, while the x-values of the transformed function are compressed by a factor of 2. This means that the graph of y = sin(2x) appears narrower or more "squeezed" horizontally compared to y = sin(x).
Therefore, the correct statement is: It is compressed horizontally.
Two-fifths times four-fifths equals____
Answer:
This equals 8/25.
Step-by-step explanation:
Because this is a multiplication problem, just multiply the two fractions. The would be (2*4) / (5*5), or 8/25.
Consider the following conditional statement and scenario. Is the conditional statement true or false?
Conditional Statement: If I had set my alarm clock, I would have woken up on time.
Scenario: The power went out and reset all the clocks in the house.
We can actually deduce here that considering the conditional statement and scenario, the conditional statement is false.
What is conditional statement?Conditional statement is actually known to be an if-then statement. It is usually used to show and emphasizes the relationship that exists between two ideas. This means that one idea comes as a result of the other.
Conditional statements actually helps one to make proper deductions in a clear and rigorous way.
We see here that considering the scenario that "the power went out and reset all the clocks in the house", even if alarm was set, it wouldn't ring out because all the clocks in the house were reset when the power out.
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Let x be a variable, and let n be an arbitrary constant. What is the derivative of x^n?
Answer:
nx^(n-1)
Step-by-step explanation:
Mathematics
Find the rate
What percent of 200 is 50?
What percent of 50 is 40?
What percent of 10 is 6?
200 is what percent of 200?
What percent of 800 is 200?
Show your solution, HELP PLS ASAP!!!
I'LL GIVE 20 POINTS!!
Answer:
Step-by-step explanation:
25%
80%
60%
100%
25%
cloud is a vegetable grower, has 8 4/15 plots of pechay, 5 1/3 plots of eggplants and 5 2/5 of okra . how many plots of vetable do cloud has?
Answer:
The total plots of vegetable cloud will be: 19
Step-by-step explanation:
From the question statement, it is clear that the cloud has \(8\frac{4}{15}\) plots of pechay, \(5\frac{1}{3}\) plots of eggplants and \(5\frac{2}{5}\) plots of okra.
so, Just add all the plots to get the total plots of the vegetable cloud.
i.e.
\(8\frac{4}{15}+5\frac{1}{3}+5\frac{2}{5}=\frac{124}{15}+\frac{16}{3}+\frac{27}{5}\)
\(=\frac{124}{15}+\frac{80}{15}+\frac{81}{15}\)
\(=\frac{124+80+81}{15}\)
\(=19\)
Therefore, the total plots of vegetable cloud will be: 19
A plane directly above Denver, Colorado, (altitude 1650 meters) flies to Bismark, North Dakota (altitude 550 meters). It travels at 625 km/hour at a constant height of 7500 meters above the line joining Denver and Bismark. Bismark is about 850 km in the direction 60∘ north of east from Denver. Find parametric equations describing the plane's motion. Assume the origin is at sea level beneath Denver, that the x-axis points east and the y-axis points north, and that the earth is flat. Measure distances in kilometers and time in hours.
The final parametric equations describing the plane's motion are:
x(t) = 0 + (425 km - 0) * t = 425t
y(t) = 0 + (736.6 km - 0) * t = 736.6t
z(t) = 1650 meters
where t varies from 0 to 1.36 hours.
Let's set up a coordinate system with the origin at sea level beneath Denver.
We'll use the x-axis to point east, the y-axis to point north, and the z-axis to point upward.
The plane starts directly above Denver at an altitude of 1650 meters.
We can represent this as the initial point P₀(0, 0, 1650).
The plane then flies to Bismark, which is about 850 km in the direction 60° north of east from Denver.
Let's represent the position of Bismark as the point P₁(x, y, z), where x and y are the horizontal displacements (east and north, respectively), and z is the altitude above sea level.
Since the plane flies at a constant height of 7500 meters above the line joining Denver and Bismark, the altitude z remains constant at 7500 meters.
Let's calculate the horizontal displacements x and y:
The eastward displacement x can be found using the cosine of the angle (60°) and the distance to Bismark (850 km):
x = 850 km * cos(60°) ≈ 425 km
The northward displacement y can be found using the sine of the angle (60°) and the distance to Bismark (850 km):
y = 850 km * sin(60°) ≈ 736.6 km
Now, we can write the parametric equations for the plane's motion:
x(t) = x₀ + (x₁ - x₀) * t
y(t) = y₀ + (y₁ - y₀) * t
z(t) = z
where:
x₀ = 0 (initial x-coordinate at Denver)
y₀ = 0 (initial y-coordinate at Denver)
z = 1650 meters (altitude above sea level at Denver)
x₁ = 425 km (x-coordinate at Bismark)
y₁ = 736.6 km (y-coordinate at Bismark)
The parameter t represents the time in hours.
The plane's motion is constant, so t will vary from 0 to the time it takes to travel from Denver to Bismark at a speed of 625 km/hour.
To find the time it takes, we can use the distance formula:
Distance = Speed * Time
850 km = 625 km/hour * Time
Time = 850 km / 625 km/hour ≈ 1.36 hours
A plane directly above Denver, Colorado, (altitude 1650 meters) flies to Bismark, North Dakota (altitude 550 meters).
It travels at 625 km/hour at a constant height of 7500 meters above the line joining Denver and Bismark. Bismark is about 850 km in the direction 60∘ north of east from Denver.
Assume the origin is at sea level beneath Denver, that the x-axis points east and the y-axis points north, and that the earth is flat. Measure distances in kilometers and time in hours.
So, the time it takes for the plane to travel from Denver to Bismark is approximately 1.36 hours.
The final parametric equations describing the plane's motion are:
x(t) = 0 + (425 km - 0) * t = 425t
y(t) = 0 + (736.6 km - 0) * t = 736.6t
z(t) = 1650 meters
where t varies from 0 to 1.36 hours.
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Quadratic Equations and Complex Numbers
please give a clear answer, thank you <3
The result of the given terms is -2/5 as per the given question from complex numbers.
What is a complex number?There is a multiplicative inverse for every nonzero complex number. As a result, complex numbers are a field with real numbers as a subfield. The complex numbers also form a two-dimensional real vector space with 1, I as the standard basis.
Because of this standard basis, the complex numbers form a Cartesian plane known as the complex plane. This allows for a geometric interpretation of complex numbers and operations, as well as the expression of geometric features and constructions in terms of complex numbers. Real numbers, for example, constitute the real line, which corresponds to the complex plane's horizontal axis.
=(((3/5)+(1/5)i)+((4/5)-(2/5)i) -((9/5)-(1/5)i))
=((3/5)+(4/5)-(9/5))-i((1/5)+i((1/5)-(2/5)+(1/5))
=(-2/5)+i(0)
= -2/5
Therefore, the result of the given terms is -2/5
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If a wheel rotates by 1888 degrees, how many complete revolutions has it made?
The number of revolutions made by the wheel is 5.24 ≅ 5.
Finding number of revolutions:
One complete revolution is equal to 360 degrees, so to find the number of complete revolutions the wheel has made, we can divide the total number of degrees rotated by 360.
Here we have
A wheel rotated by 1888°
As we know One complete revolution is equal to 360 degrees
Hence, the angle can be rotated by the wheel in 1 rotate = 360°
Let the wheel make 'x' revolution to make 1888°
=> 360(x) = 1888
=> x = 1888/360
=> x = 5.24
Therefore,
The number of revolutions made by the wheel is 5.24 ≅ 5.
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For two linear functions f and g, (f+g)(x)=-6x-2 and (f-g)(x)=-2x+4.
Find (fg)(x)
The product of the two linear functions is:
(fg)(x) = 8x^2 + 10x - 3
How to find the two linear funuction?A general linear funuction can be written as:
f(x)= a*x +b
Let's say that our functions are:
f(x) = ax + b
g(x) = cx + d
The sum is:
(f + g)(x) = ax + b + cx + d = (a + c)x + (b + d)
(f - g)(x) = ax + b - cx - d =(a - c)x + (b - d)
And we know that:
(f+g)(x)=-6x-2 and (f-g)(x)=-2x+4.
Then we can write:
(a + c)x + (b + d) = -6x - 2
(a - c)x + (b - d) = -2x + 4
Then we have 4 equations:
a + c = -6
b + d = -2
a - c= -2
b - d = 4
Solving these we can get:
a = -4
c = -2
b = 1
d = -3
(you can check these values)
The two linear functions are:
f(x) = -4x + 1
g(x) = -2x - 3
The product is:
(fg)(x) = (-4x + 1)*(-2x - 3) = 8x^2 + 12x - 2x - 3
= 8x^2 + 10x - 3
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Study these equations:
f(x) = 2x – 4
g(x) = 3x + 1
What is h(x) = f(x)g(x)?
h(x) = 6x2 – 10x – 4
h(x) = 6x2 – 12x – 4
h(x) = 6x2 + 2x – 4
h(x) = 6x2 + 14x + 4
Answer:
6x2-10x-4
Step-by-step explanation:
hx=(2x-4)(3x+1)
hx=2x(3x+1)-4(3x+1)
hx=6x2+2x-12x-4
hx=6x2-10x-4
AB and AD are tangent to circle C. Find the length of AB, if AB = 8x and AD = x + 9. Round your answer to 2 decimal places.
Answer:
To find the length of AB, we can use the property that two tangents to a circle from the same external point are equal. This means that AB = AD. Substituting the given values, we get:
8x = x + 9
Solving for x, we get:
x = 1.5
Therefore, AB = 8x = 8(1.5) = 12.
To check our answer, we can use the Pythagorean theorem on triangle ABD, since AB is perpendicular to BD at the point of tangency. We have:
AB^2 + BD^2 = AD^2
Substituting the values, we get:
12^2 + BD^2 = (1.5 + 9)^2
Simplifying, we get:
BD^2 = 56.25
Taking the square root of both sides, we get:
BD = 7.5
Hence, the length of AB is 12 and the length of BD is 7.5.
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Veronica is making a large table in the shape of a trapezoid.
twice as long as the table's width. Find the area of the table
Click the icon to view the table.
First find the missing dimension.
The length of the bottom base is x= 16 yd.
(Type an integer or a decimal.)
What is the area of the table?
The area is A = (10.) + 2(28)--[
(Type an integer or a decimal.)
Table
3 yd
Help me solve this View an example Get more help
Print
10 yd
8 yd
X
3 yd
Done
The area of the trapezoid is 104 square yards
As given a table was made by Veronica which is in the shape of a trapezoid.
twice as long as the table's width
Let us find the area of the trapezoid by the given data and formula of trapezoid
The length of the bottom base is x= 16 yd.
Area A=(a+b)h/2
a=10 yd
b=16 yd
h =8 yd
Substitute the values of a, b and h in the area of trapezoid
Area =1/2(10+16)8
=208/2
=104 square yards
Hence, the area of the trapezoid is 104 square yards
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Write an equation in point-slope form for the line through the given point with the given slope.
(8, –3); m = -1/4
Answer:
y+3 = -1/4(x-8)
Step-by-step explanation:
Point slope form is y-y1 = m(x-x1) where m is the slope and (x1-y1) is a point on the line
(y- -3) =-1/4(x-8)
y+3 = -1/4(x-8)
really fast can someone help with this? it’s literally due in like five minutes
On solving the provided question, we can say that - the initial value in number line will jump to +12 value
what is number line?A number line is a visual representation of real numbers used in introductory mathematics. It is an image of a magnitude line. On the number line, each point represents a real number, and each real number is taken to represent a point. Increments on a number line are separated by equal distances. You can only respond to the numbers on a line in the manner indicated by those numbers. How the number is utilized is determined by the question that goes with it. B: Make a point.
here,
the initial value of the number line is = 15
and on adding 12
it will jump to = 15 + 12
= 27
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Lora's phone records data for screen time each week. Last week, she used 920 minutes. This week, Lora used 690 screen time minutes on the phone. Calculate the percent decrease in screen time this week. 25% 33% 40% 75%
Answer:
75%
Step-by-step explanation:
Determine whether the ordered pair is a solution to the given system of
equations.
1) (1,5);
-5m +6n = 25
-7m +8n = 33
2) (-2, 0);
8x-3y=-16
50 = -9x - 2y
1. The ordered pair (1, 5) is a solution to the system of equations.
2. The ordered pair (-2, 0) is NOT a solution to the system of equations.
How did we arrive at the assertions?To determine if the ordered pair (1, 5) is a solution to the system of equations, we substitute the values into the equations and see if they hold true.
-5(1) + 6(5) = 25
25 = 25 (holds true)
-7(1) + 8(5) = 33
33 = 33 (holds true)
Since both equations hold true for the values of m=1 and n=5, we can conclude that the ordered pair (1, 5) is a solution to the system of equations.
To determine if the ordered pair (-2, 0) is a solution to the system of equations, we substitute the values into the equations and see if they hold true.
8(-2) - 3(0) = -16
-16 = -16 (holds true)
-9(-2) - 2(0) = 50
4 ≠ 50 (does not hold true)
Since one of the equations does not hold true for the values of x=-2 and y=0, we can conclude that the ordered pair (-2, 0) is NOT a solution to the system of equations.
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A rectangle is h units high. It's length 3 units more than it's height. What is the perimeter?
The perimeter of the rectangle is 4h + 6
What is an algebraic expression?An algebraic expression can be defined as an expression that is composed of terms, variables, coefficients, constants and factors.
These expressions are also made up of arithmetic operations, such as;
SubtractionAdditionMultiplicationDivisionBracketParenthesesThe formula for calculating the perimeter of a rectangle is expressed as;
Perimeter = 2( l + h)
Where;
l is the lengthh is the height of the rectanglel = 3 + h
Substitute the values
Perimeter = 2( 3 + h+ h)
expand the bracket
Perimeter = 2(3 + 2h)
Perimeter = 4h + 6
Hence, the expression is 4h + 6
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In a plane, line e is parallel to line f, line f is parallel to line g, and line h is perpendicular to line e. Which of the following cannot be true? e ⊥ h g ∥ h e ∥ g h ⊥ f
Answer:
g ∥ h
Step-by-step explanation:
since lines e,f,g are parallel to each other,
h is perpendicular to lines e,f,g
What is the equation of the line that is parallel to the line whose equation is y=-4/3x+7/3 and also passes through the point (-5,2)
Answer:
\(y=-\frac{4}{3} x-\frac{14}{3}\)
Step-by-step explanation:
Linear equations are typically organized in slope-intercept form:
\(y=mx+b\) where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)
1) Determine the slope (m)
Parallel lines will always have the same slope. Therefore, this line will have the same slope as the given line \(y=-\frac{4}{3} x+ \frac{7}{3}\).
Plug in \(-\frac{4}{3}\) as the slope
\(y=-\frac{4}{3} x+b\)
2) Determine the y-intercept (b)
To find the y-intercept, plug the given point (-5,2) into the equation and solve for b.
\(2=-\frac{4}{3}(-5)+b\\2=\frac{20}{3}+b\)
Subtract both sides by \(\frac{20}{3}\)
\(2-\frac{20}{3} = \frac{20}{3}+b-\frac{20}{3}\\\frac{6}{3} -\frac{20}{3}=b\\-\frac{14}{3} = b\)
Therefore, the y-intercept is \(-\frac{14}{3}\).
3) Plug the y-intercept back into our original equation
\(y=-\frac{4}{3} x-\frac{14}{3}\)
I hope this helps!
The yearbook club had a meeting. The club has 24 people, and one-half of the club showed up for the meeting. How many people went to the meeting?
convert the following decimals to a simplified fraction. showing all work
Hello.
Answer:
1/200, 667/500
I hoped this helped