Answer:
Answer=69
Step-by-step explanation:
8% of 75=6
75-6=69
pls pls help whoever gets it right gets a crown
Answer:
See below
Step-by-step explanation:
2/3 v +6 = 1/3 v - 2 subtract 1/3 v from both sides of the equation to get
1/3 v + 6 = - 2 subtract 6 from both sides to get
1/3 v = - 8 Multiply both sides by 3 to get
v = -24
Answer:
\( \sf \large \: v=−24\)
Step-by-step explanation:
2/3v+6=1/3v-2
Step 1: Subtract 1/3v from both sides.
2/3v+6−1/3v=1/3v−2−1/3v
1/3v+6=−2
Step 2: Subtract 6 from both sides.
1/3v+6−6=−2−6
1/3v=−8
Step 3: Multiply both sides by 3.
3*(1/3v)=(3)*(−8)
v=−24
I will award brainliest to whoever correctly answers this!
Answer:
To find GCF we need to find what these expressions have in common
30x²=5*3*2x²
45x⁵=5*3*3x²x³
Now we can see, that GCF=5*3*x² = 15x²
Answer :
15x²
Step-by-step explanation:
\(30x^{2}=2\times \left( 15x^{2}\right) \\45x^{5}=3x^{3}\times \left( 15x^{2}\right)\)
Then the greatest common factor is 15x²
Assistance pleaseeees?!!
Answer:
Step-by-step explanation:
If M=1,000,P=2.25, and Y=2,000, what is velocity? a. 2.25 b. 4.5 c. 2 d. None of the above is true
Answer:d
Step-by-step explanation:
The answer is d. None of the above is true.
To calculate velocity, we need to use the equation:
Velocity = M * P / Y
Given:
M = 1,000
P = 2.25
Y = 2,000
Plugging in the values:
Velocity = 1,000 * 2.25 / 2,000
Simplifying:
Velocity = 2.25 / 2
The result is:
Velocity = 1.125
Therefore, the correct answer is: d. None of the above is true.
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Towns K and L are shown on a map.
a) Work out the actual distance between towns K and L.
b) A third town, M, is 150 km due
South of town K.
Mark Mon the map with X.
c) Measure the bearing of town L from town K.
a) The actual distance between towns K and L is: 100 km
b) As shown in the attached file
c) The bearing of town L from town K is 117 degrees.
How to Interpret the map?The scale of the map is given as:
1 cm to represent 50 km
Now, when we measure the distance between K and L on the map, we see that it gives us a distance of 2 cm.
Using the scale of 1 cm: 50 km, we can say that:
Actual distance between towns K and L = (2 * 50)/1 = 100 km
b) Using a compass and it’s 3cm aiming down {South} as seen in the attached photo. Then a line was drawn aiming {South} with a ruler. On the end of the line the (x) point was put there to get the mark.
c) Measuring the angle gives the bearing of town L from town K which is 117 degrees.
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Braxton sold lemonade to earn
money for a new bicycle. After
selling 12 cups of lemonade, he
had earned $9. Based on this
information, what is the constant
of proportionality?
A) 12
B) 1.75
C) 1.33
D)0.75
Answer:
ok so this sounds kind of fancy but constant of proportionality just mean cups sold by amount made
9/12=0.75
so c
Hope This Helps!!!
GIVING 10 POINTS
PLEASE HELP!
What does it mean when two expressions are equivalent?
Answer:
When two equations are equivalent it means that the two equations are equal to each other. Hope this helps, thank you !!
An icecream shop has 10 flavors. One can choose 4 different
flavors. What is the total number of possible flavor
combinations?
a.
252
b.
462
c.
120
d.
330
e.
210
2.
An ice cream shop has 10 flavors and one can choose 4 different flavors. The question asks for the total number of possible flavor combinations.Therefore, we need to find the number of ways in which 4 flavors can be chosen from 10 flavors.
In such cases where order does not matter and repetitions are not allowed, we can use the formula for combinations which is as follows:C(n, r) = n! / (r! (n - r)!)Where n is the total number of items, r is the number of items being chosen at a time and ! represents the factorial function.
Using this formula we can find the total number of possible flavor combinations. Substituting the values in the above formula, we get:C(10, 4) = 10! / (4! (10 - 4)!)C(10, 4) = (10 * 9 * 8 * 7) / (4 * 3 * 2 * 1)C(10, 4) = 210Hence, there are 210 possible flavor combinations when one can choose 4 different flavors
.Explanation:The formula to be used for this type of question is combination. Combination is the method of selecting objects from a set, typically without replacement (without putting the same item back into the set) and where order does not matter. The formula for combination is given by C(n,r)=n!/(r!(n-r)!).
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using the rule y= 7 x-5,find the value of y when x is 3
Answer:
16
Step-by-step explanation:
If x = 3, then all we must do is substitute.
y=7(3)-5
y= 21 -5
y= 16
---
Hope I helped :)
Plot the vector field F(x,y)=(xy,x+y^2) Calculate divF.
Determine where divF>0 and where divF<0.
The divergence of the vector field F is positive for y > -1/3 and negative for y < -1/3.
To plot the vector field F(x, y) = (xy, x + y^2), we can first visualize the vectors at various points in the xy-plane. Let's choose a range of values for x and y and calculate the corresponding vectors. We'll use a step size of 1 for simplicity.
Here is a sample grid of points and their corresponding vectors:
(x, y) = (-2, -2) -> F(-2, -2) = (4, 2)
(x, y) = (-1, -2) -> F(-1, -2) = (2, 2)
(x, y) = (0, -2) -> F(0, -2) = (0, 2)
(x, y) = (1, -2) -> F(1, -2) = (0, 2)
(x, y) = (2, -2) -> F(2, -2) = (4, 2)
(x, y) = (-2, -1) -> F(-2, -1) = (2, 1)
(x, y) = (-1, -1) -> F(-1, -1) = (1, 1)
(x, y) = (0, -1) -> F(0, -1) = (0, 1)
(x, y) = (1, -1) -> F(1, -1) = (0, 1)
(x, y) = (2, -1) -> F(2, -1) = (2, 1)
... and so on for other values of y and for positive values of y.
To calculate the divergence (divF) of the vector field, we need to find the partial derivatives of the components of F with respect to x and y. Then we sum these partial derivatives.
F(x, y) = (xy, x + y^2)
∂F/∂x = y
∂F/∂y = 1 + 2y
divF = ∂F/∂x + ∂F/∂y = y + (1 + 2y) = 3y + 1
Now, we can analyze where the divergence is positive (divF > 0) and where it is negative (divF < 0).
For divF > 0:
If y > -1/3, then divF > 0.
For divF < 0:
If y < -1/3, then divF < 0.
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Dylan is deciding between two different movie streaming sites to subscribe to. Plan Acosts $16 per month plus $2 per movie watched. Plan B costs $12 per month plus $3per movie watched. Let A represent the monthly cost of Plan A if Dylan watches Iper month, and let B represent the monthly cost of Plan B if Dylan watches x moviesper month. Graph each function and determine the number of monthly movieswatched, x, that would make the two plans have an equal monthly cost.I already tried to solve this but I got it incorrect and I have one more try at it and not sure how to get the final answer. what i have attached is what i have rn.
"y" will represent the total cost per month
"x" will represent the number of movies watched in one month
There are two streaming plans:
Plan A
Has a monthly fee of $16 plus $2 per movie watched.
→ So if he watches no movies in a month, he will pay $16 and for each movie watched he will pay an extra $2
You can represent the monthly cost of plan A as follows:
\(y=16+2x\)Plan B
Has a monthly fee of $12 plus $3 for every movie watched.
The monthly cost of the plan can be expressed as follows:
\(y=12+3x\)For both equations the y-interceot represents the monthly fee of the plan and the slope of the line is the cost per movie.
To determine the number of movies (x) that would make both plans cost the same for one month using a graph, you have to draw both lines and determine the point where they intercept. The x-coordinate of said point will be the number of movies that make both plans cost the same.
To draw the lines you have to determine at least two points of the line.
The easiest point will be the y-intercept, for the second point, choose any value of x, replace it in the formula and calculate the corresponding value of y. Then plot both points and draw the line.
For plan A
\(y=16+2x\)y-intercept, x=0
\(\begin{gathered} y=16+2\cdot0 \\ y=16 \end{gathered}\)The coordinates are (0,16)
Second point, for example, for x= 2 movies
\(\begin{gathered} y=16+2\cdot2 \\ y=16+4 \\ y=20 \end{gathered}\)The coordinates are (2,20)
For plan B
y-intercept, x=0
\(\begin{gathered} y=12+3\cdot0 \\ y=12 \end{gathered}\)The coordinates are (0,12)
Second point, for example, for x=3
\(\begin{gathered} y=12+3\cdot3 \\ y=12+9 \\ y=21 \end{gathered}\)The coordinates are (3,21)
The red line represents the cost with respect to the number of movies for plan A
The purple line represents the cost with respect to the number of movies for plan B
Where both lines intercept indicates the point when both plans cost the same. Said point is (4,24), which means that when you watch x=4 movies both plans will cost $24 that month.
what is the answer to this?
Answer:
a. 1
Step-by-step explanation:
for the lines to be parallel, 4x+20 and 6x-10 have to be equal, so you can solve by making it 2x+10 to get 5
Answer:
its the first one to solve future questions like this you can replace the x with the answers till they both have the same number
If $300 is invested at a rate of 5% per year and is compounded quarterly, how much will the investment be worth in 20 years?
Use the compound interest formula A equals P times the quantity 1 plus r divided by n end quantity raised to the power of n times t..
$810.45
$515.28
$384.61
$109.67
Answer:
(a) $810.45
Step-by-step explanation:
You want the value of an investment of $300 earning 5% interest compounded quarterly for 20 years.
Compound interestThe compound interest formula tells you the value is ...
A = P(1 +r/n)^(nt)
where P = 300, r = 0.05, n = 4, t = 20.
Using the given parameters in the given equation, you find the account value to be ...
A = $300(1 +0.05/4)^(4·20) ≈ $810.45
__
Additional comment
The "rule of 72" tells you the account value will approximately double in a number of years equal to 72 divided by the interest rate percentage: 72/5 = 14.4 years. After 20 years, it will be worth more than that doubled amount, $600. This only leaves one reasonable answer choice.
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Jabari is power washing houses for a summer job. For every job, he charges an initial fee plus a $30 sign, 30 for each hour of work. His total fee for a 4-hour job, for instance, is $170 sign, 170.
Jabari's total fee, f for a single job is a function of the number, t, of hours it takes him to complete the job.
The initial fee that Jabari collects is $50.
What is the initial fee?It should be noted that Jabari is power washing houses for a summer job and for every job, he charges an initial fee plus a $30.
In this case, the amount collected was $170 for a four hours job. Let the initial fee be represented as x.
Therefore, this will be illustrated as:
x + (30 × 4) = 170
where x = initial fee
x + 120 = 170
Collect like terms
x = 170 - 120
x = 50
The initial fee is $50.
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Jabari is power washing houses for a summer job. For every job, he charges an initial fee plus a $30 sign, 30 for each hour of work. His total fee for a 4-hour job, for instance, is $170 sign, 170.
Jabari's total fee, f for a single job is a function of the number, t, of hours it takes him to complete the job. What is the initial fee?
Help needed ASAP , thank you!
Answer:
rhombus has all angles=90 degress
Triangle ABC has AB = 13, BC = 14, and AC = 15. The points D, E, and F are the midpoints of AB, BC, and AC respectively. Let X ≠E be the intersection of the circumcircles of Δ BDE and Δ CEF. What is XA + XB + XC?a. 24b. 14√3c. 195/8d. 129√7/14e. 69√2/4
The answer is C) 195/8
First, we can use the fact that A, B, C, D, E, and F are concyclic and that D, E, and F are the midpoints of AB, BC, and AC respectively.
Let r be the radius of the circumcircle of triangle ABC. Then using the Pythagorean theorem, we can find that r = (151413) / (4*K) where K is the area of the triangle.
Now we can use the property that the perpendicular bisectors of any triangle pass through the circumcenter of the triangle. We know that the midpoint of a line segment is the foot of the perpendicular from that point to the other endpoint. Then we can use the property that the radius from the circumcenter of the triangle to the midpoint of a side is half the length of that side.
Therefore, the circumcenter of triangle BDE is located at X = (BD/2, DE/2) = (13/2, 7/2) and the circumcenter of triangle CEF is located at X = (CE/2, EF/2) = (15/2, 7/2).
So the coordinates of X are (13/2, 7/2) and since the circumcenter of a triangle is equidistant from each vertex of the triangle, we can find that XA = XB = XC = r = r = (151413) / (4*K)
Therefore, XA + XB + XC = 3r = 3(151413) / (4*K) = (195/8)
So the answer is c. 195/8.
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solving equations
x-1=19
Answer:
x=20
Step-by-step explanation:
x-1 = 19
Add 1 to each side
x-1+1 = 19+1
x=20
Answer:
x = 20
Step-by-step explanation:
x - 1 = 19
Add 1 to both sides
x = 20
Plot the points in a coordinate plane and sketch ∠ XYZ. Then classify it as right, acute, or obtuse.
X(5,-3), Y(4,-1), Z(6,-2)
The points X(5,-3), Y(4,-1) and Z(6,-2) can be plotted as given below. From the obtained graph ∠XYZ is the obtuse angle.
The given coordinates are X(5,-3), Y(4,-1) and Z(6,-2).
We need to classify ∠XYZ whether it is right, acute, or obtuse.
How to plot the points in a cartesian plane?A cartesian plane or coordinate plane can be defined as a plane formed by the intersection of two coordinate axes that are perpendicular to each other. The horizontal axis is called the x-axis and the vertical one is the y-axis. These axes intersect with each other at the origin whose location is given as (0, 0). Any point on the cartesian plane is represented in the form of (x, y). Here, x is the distance of the point from the y-axis and y is the distance from the x-axis.
Now, X(5,-3), Y(4,-1) and Z(6,-2) can be plotted as given below:
The given points X(5,-3), Y(4,-1) and Z(6,-2) have positive x-coordinate and negative y-coordinate.
In the cartesian plane, the fourth quadrant positive x-coordinate and negative y-coordinate.
So, all points X(5,-3), Y(4,-1) and Z(6,-2) lie in the fourth quadrant.
From the graph, we can see that the two lines make an obtuse angle, which is more than 180° and less than 360°.
From the obtained graph ∠XYZ is the obtuse angle.
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EFG and HIJ have the same perimeter and side lengths.The coordinates are E(6,2),F(9,2),G(8,7),
Answer:
and H(3,7), I(2,2), J(5,2).
To solve for the perimeter, we need to find the distance between each pair of consecutive points and add them up.
The distance between E and F is 3 units, between F and G is approximately 5.83 units, between G and H is 5 units, between H and I is approximately 5.83 units, and between I and J is 3 units.
So the perimeter of EFG is approximately 22.66 units.
Now, we need to check if HIJ has the same side lengths.
The distance between H and I is 5 units, between I and J is 3 units, and between J and H is approximately 5.83 units.
Therefore, HIJ does not have the same side lengths as EFG since their perimeters are different.
why does he look so off
He on that good shi...............
what is the significance of an association? what are some problems encountered when tests of significance are applied to coefficients of association?
The significance of an association and some problems encountered when tests of significance are applied to coefficients of association are discussed below.
Any of the several coefficients or factors used in statistics to quantify a relationship between two or more variables. The chi-square test, Spearman rank-order correlation coefficient, and Pearson's correlation coefficient are a few examples of association metrics. Measures of association are frequently used in a wide range of research areas, but they are especially common in the disciplines of epidemiology and psychology because they enable the measurement of relationships between exposures and conditions or behaviors.
Any of a number of studies, such as correlation and regression analysis, can be used to find a measure of association. (Although the terms correlation and association are sometimes used synonymously, correlation strictly speaking refers to linear correlation, whereas association refers to any link between variables.) The procedure used to gauge an object's strength The properties of the data for each variable affect association. Data can be measured on an ordinal/rank scale, a nominal/categorical scale, or an interval/ratio scale.
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9B2-Proportion HWK
Overview
Question Progress
3
4
x 2
A
5
6
Homework Progress
5/
x 5
B
7
a) y = 5x
What happens to the value of y if the value of x doubles?
Select your answer.
2
8
C
6
+ 5
D
10
if the value of x doubles, the value of y will also double, since y is directly proportional to x with a constant of 5. Therefore, the answer is 28. So correct option is A.
Describe Equation?In mathematics, an equation is a statement that shows that two expressions are equal to each other. An equation typically consists of two sides, the left-hand side (LHS) and the right-hand side (RHS), which are separated by an equals sign (=).
Equations are used to represent mathematical relationships and to solve problems in a variety of fields, including physics, engineering, economics, and finance. They can be linear or non-linear, and they may involve one or more variables.
If the equation is y = 5x, and the value of x doubles, then the new value of x would be 2x. To find the corresponding value of y, we can substitute 2x for x in the equation:
y = 5(2x)
y = 10x
So if the value of x doubles, the value of y will also double, since y is directly proportional to x with a constant of 5. Therefore, the answer is 28.
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What is the next term of the arithmetic sequence? 7,11,15,19,7,11,15,19
Answer:
7
Step-by-step explanation:
4 times at an addition of 4, then a subtraction of 12
The following cone has a slant height of 17
cm and a radius of 8
cm.
What is the volume of the cone?
Responses
480π
320π
544π
The formula for the volume of a cone is:
V = (1/3)πr²h
where r is the radius of the base, h is the height of the cone, and π is pi.
In this case, the slant height is given as 17 cm, which we can use with the radius to find the height of the cone using the Pythagorean theorem:
h² = s² - r²
h² = 17² - 8²
h² = 225
h = 15
Now that we have the height, we can plug in the values for r and h into the formula for the volume:
V = (1/3)π(8²)(15)
V = (1/3)π(64)(15)
V = (1/3)(960π)
V = 320π
Therefore, the volume of the cone is 320π cubic cm. Answer: 320π.
Can 2.5 cm 6.5 cm 6 cm be the sides of a right triangle?
2.5 cm, 6.5 cm, and 6 cm are the sides of a right triangle.
The sides of a triangle are 2.5 cm, 6.5 cm, and 6 cm in length.
The Pythagorean Theorem states that The sum of the squares representing the base and height equals the square of the hypotenuse.
\((Perpendicular)^{2}+(Base)^{2}=(Hypotenuse)^{2}\)
\((2.5)^{2}+(6)^{2}=(6.5)^{2}\)
6.25 + 36 = 42.25
42.25 = 42.25
The sides offered satisfy the specifications for a right triangle.
Given that it satisfies the Pythagorean theorem, a right triangle with sides of 2.5 cm, 6.5 cm, and 6 cm can be built.
Hence, 2.5 cm 6.5 cm 6 cm can be the sides of a right triangle.
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Find the percent change from the first value to the second. Round to the nearest percent.
96; 72
Answer:
25% decrease
Step-by-step explanation:
what is 3 and 1/6 as an improper fraction
Answer:
Step-by-step explanation: 3×6+1,3×6 is 18+1 is 19/6 is your answer
The cost of ground beef is proportional to the number of pounds bought. Suppose 2 pounds cost $8.40. How much would 10.5 pounds of beef cost?
What is 845 divided by 21
Answer: 40.2
Step-by-step explanation:
Answer:
40 remainder 5
Step-by-step explanation:
simplify
6 ÷ 3 + 32 · 4 − 2
Answer:
128 <33
Step-by-step explanation:
6 ÷ 3 + 32 • 4 - 2 = 128
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