Answer:
2.5
Step-by-step explanation:
slope is rise/run, (y2-y1)/(x2-x1)
We have two points clearly given to us on this graph so let's just use those.
(-1,-3) and (1,2)
= (-3-2)/(-1-1)
=(-5)/(-2)
=2.5
how do I solve this?
Answer:
We conclude that the range of the function will be:
R = {5, 17, 29}
Step-by-step explanation:
Given
Given the function
f(x) = 6x-1
Given the domain
D = {0, 3, 5}
To Determine:
The range R = ?
We know that range of the function consists of all the y-values for the x-values in the domain of the function.
so substituting the values of x = 0, 3, and 5 in the function to determine the corresponding y-values.
Plug in x = 0
y = 6x-1
y = 6(0) - 1 = 6-1 = 5
Plug in x = 3
y = 6x-1
y = 6(3) - 1 = 18-1 = 17
Plug in x = 5
y = 6x-1
y = 6(5) - 1 = 30-1 = 29
Now, combine all the determined y-values which are 5, 17, and 29.
Therefore, we conclude that the range of the function will be:
R = {5, 17, 29}
The Booster Club has a goal of raising at least $700. The Club has already raised $125. The Booster Club is sponsoring a pancake breakfast and charging $8.00 per ticket. What inequality would represent the number of tickets (t) that the Booster Club must sell to meet its goal?
Answer:
72.5 tickets have to be sol to meet the goal
Step-by-step explanation:
Identify the vertices and foci of the hyperbola with equation y² x² 56² 33² 1 The vertices are The foci are =
The vertices are (0, -56) and (0, 56) and the foci are (0, -71.466) and (0, 71.466).
Given equation is `y²/56² - x²/33² = 1`
We have to find the vertices and foci of the hyperbola. A hyperbola is defined as the set of all points in a plane such that the difference of the distance between the two points (foci) is constant.Let's write the given equation in the standard form of the hyperbola. `
((y - k)² / a²) - ((x - h)² / b²) = 1`.Comparing it with the given equation, we get:`(y² / 56²) - (x² / 33²) = 1`.We can conclude that:
`a² = 56², b² = 33²`.
The value of a is greater than b.
Hence, the hyperbola is of the form `y² / a² - x² / b² = 1`.
The center of the hyperbola is the origin `(0, 0)` because there is no term of the form `(x - h)` or `(y - k)`.`
Vertices`:The distance between the center and the vertices is equal to `a`.Hence, the vertices are `(0, ±a)`.
Substituting `a = 56²` gives the vertices `(0, ±56)`.
Therefore, the vertices are `(0, -56)` and `(0, 56)`.`Foci`:The distance between the center and the foci is given by `c`.
Using the relation, `c² = a² + b²`, we can find the value of `c`.
c² = a² + b²c² = 56² + 33²c² = 5,105c = 71.466
Therefore, the distance between the center and the foci is 71.466.The foci are located on the y-axis, so the x-coordinate of the foci is zero.The foci are `(0, ±c)`.Substituting `c = 71.466` gives the foci `(0, ±71.466)`.
Therefore, the foci are `(0, -71.466)` and `(0, 71.466)`.Hence, the vertices are (0, -56) and (0, 56) and the foci are (0, -71.466) and (0, 71.466).Therefore, the vertices are (0, -56) and (0, 56) and the foci are (0, -71.466) and (0, 71.466).
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the faces of each of two fair dice are numbered 1, 2, 3, 5, 7, and 8. when the two dice are tossed, what is the probability that their sum will be an even number?
The probability that the sum will be an even number on the toss of two dice is 5/9 .
In the question ,
it is given that ,
the numbers on the faces of the dice are 1, 2, 3, 5, 7, and 8 .
the probability of getting an odd number first is = 4/6 = 2/3,
the probability of getting an even number first is = 2/6 = 1/3,
To get an even, we must get either 2 odds or 2 evens.
The probability of getting 2 odds is 4/6 × 4/6 = 16/36 .
The probability of getting 2 evens is 2/6 × 2/6 = 4/36.
If we add them together,
we get ,
= 16/36 + 4/36
= 20/36
= 10/18 = 5/9
Therefore , the required probability is 5/9 .
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4. f(x) = 3x
y-intercept
Domain
Range
End Behavior:
As x → ∞o, f(x) →
As x→→∞, f(x) →
Domain (-2,-1,0, 1, 2}
The given function is f(x) = 3x.
To find the y-intercept, we plug in x = 0:
f(0) = 3(0) = 0
So the y-intercept is 0.
The domain of the function is given as (-2, -1, 0, 1, 2}. This means that the function is defined only for these values of x.
The range of the function is all real numbers, since for any real number y, we can find an x such that f(x) = y. We can see this from the fact that the function is a linear function with a non-zero slope.
The end behavior of the function as x approaches infinity depends on the sign of the coefficient of x, which is positive in this case. Therefore, as x → ∞, f(x) → ∞. Similarly, as x → -∞, f(x) → -∞.
Note that the given domain is a finite set of values, and does not affect the end behavior of the function as x approaches infinity or negative infinity...
what is the answer to 7864 ÷ 51
If a cuboid weighs 100N has sides 5cm by 10cm. Find the area of the cuboid
If a cuboid weighs 100N and has sides 5cm by 10cm, then the area of cuboid is 0.005m².
Weight of the cuboid = 100N
Sides of the cuboid = 5cm by 10cm
A solid structure or a three-dimensional shape in geometry is called a cuboid. It is similar to a cube in that a cuboid can become a cube by changing the angles between faces or the lengths of the edges. A convex polyhedron with the same polyhedral graph as a cube is referred to as a cuboid in mathematics.
Calculating the area of the Cuboid -
= 5cm × 10cm
= 50cm²
Converting -
Area of Cuboid
= 50/10000 m²
= 0.005 m²
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Problem #10: Find the value of y' when x = 0 if xy2 + ey/3 + / = e Problem #10: Enter your answer symbolically, as in the examples Just Save Submit Problem #10 for Grading Problem #10 Attempt #1 Attem
The equation, we have:
y^2 + (e/3)(1/y)(dy/dx) + ∞ = 0
We cannot determine the value of y' when x = 0 from the given equation since it leads to an indeterminate form.
To find the value of y' when x = 0, we need to take the derivative of the given equation with respect to x and then substitute x = 0.
The given equation is:
xy^2 + ey/3 + √x = e
Differentiating both sides with respect to x using the chain rule, we get:
y^2 + 2xyy' + (e/3)(1/y)(dy/dx) + (1/2√x) = 0
Now, substitute x = 0 into the equation:
y^2 + 0 + (e/3)(1/y)(dy/dx) + ∞ = 0
Since x = 0, the term (1/2√x) becomes ∞.
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WILL GIVE 388 points
Jonathan has 90 apples. he does A EXPERIMENT putting 14 each day in hot water for 3 hours, how many hours or days did it take john to finish the experiment
Step-by-step explanation:
I'm not sure but he if he puts 14 Apples a day in hot water for 3 hours, I got 90÷14
which was 6 RM 6 which means he out 14 apples in hot water 6 times and he remains with 6 apples(I don't know what he does with those) but since he puts 14 apples 6 times for 3 hours multiply 6×3=18 hours again, I'm not sure if this is correct at all but I hope I at least triggered something that you can think of?
An altitude is drawn from the vertex of an isosceles triangle, forming a right angle and two congruent triangles. As a result, the altitude cuts the base into two equal segments. The length of the altitude is 13 inches, and the length of the base is 8 inches. Find the triangle’s perimeter. Round to the nearest tenth of an inch.
The perimeter of the triangle is 35.0 inches
How to calculate the perimeter of a triangle?We should know that perimeter of an object is the distance round the very object. the triangle has three sides, then the perimeter of the trianggle is the sum of the three sides.
Hence the altitude forms a right angled triangle, there are two right angled triangles.
Using the Pythagoras theorem, let the two sides of the triangle be x and y
X²=13²+4² (the altitude divided the base into 2)
x²=169+16
x²=185
Taking the square root of both sides
x=\(\sqrt{185}\)
x=13.6 inches
For the length y
Use the same Pythagoras theorem
X²=13²+4²
x²=169+16
x²=185
x=13.6 inches
The perimeter is 8+13.6+13.6 = 35.2 inches
Therefore, the perimeter of the triangle to the nearest tenth is 35.0 inches
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In which number does the digit 3 have a value that is 10 times as great as the value of the digit 3 in 143,728?
Complete question :
In which number does the digit 3 have a value that is 10 times as great as the value of the digit 3 in 143,728? 137,982 142,398 292,389 392,097
Answer:
137,982
Step-by-step explanation:
The value of digit 3 in 143, 728
3 in 143,728 is in the 1000 thousand place, hence, digit 3 has a value of :
3 * 1000 = 3000
Therefore, 10 times the value of digit 3 will be :
3000 * 10 = 30000
Feom the options given, we obtain the option where 3 has a value of 30000 if the number is expressed in expanded form:
The answer is 137,982
3 here is in the 10 thousand place = 3 * 10,000 =. 30,000
so i need this for a math problem on my math subject but i forgot how to do this can you guys help me please its due soon :)
Answer:
(5,-3)
Step-by-step explanation:
You just find the middle #
(3,-1) and (7,-5)
the middle point of 3 and 7 is 5
the middle point of -1 and -5 is -3
so (5,-3)
if the simple interest on $5000 for 2 years is $700, then what is the interest rate
Say, for example, the correlation is 0.75 between fat content (measured in grams) and cholesterol level (measured in milligrams) for 20 different brands of American cheese slices. If cholesterol level were changed to being measured in grams (where 1 gram = 1000 milligrams), what effect would this have on the correlation?
If cholesterol level were changed to being measured in grams instead of milligrams, the correlation between fat content and cholesterol level would not be affected.
This is because correlation is a measure of the strength and direction of the linear relationship between two variables, and converting the units of measurement does not change the underlying relationship between the variables. So, the correlation coefficient of 0.75 would remain the same whether cholesterol level is measured in milligrams or grams.
The correlation between fat content and cholesterol level for the 20 different brands of American cheese slices is 0.75. If you change the measurement of cholesterol level from milligrams to grams (1 gram = 1000 milligrams), it will not affect the correlation. The correlation coefficient will remain 0.75, as it is unit-less and only represents the strength and direction of the relationship between the two variables.
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what is the slope of the graph of the equation 4x - 6y=2?A.-4B.-1C.2/3D.3/2
Given:
\(4x-6y=2\)Write the abve expression in the for of y=mx+c, then m will be the slope of the equation.
\(\begin{gathered} 4x-6y=2 \\ -6y=-4x+2 \\ y=\frac{-4x+2}{-6} \\ y=\frac{2}{3}x-\frac{1}{3} \end{gathered}\)Compare the above expression with y=mx+c. The slope of the given equation is 2/3, and the correct option is option C.
IF m<10 = 30°, THEN m<13
The value of the given mathematical expression; m<13 is 39°
What is mathematical expression?
A mathematical expression is created when we successfully mix numbers and variables using operations like addition, subtraction, multiplication, division, exponentiation, and other as-yet-unlearned operations and functions.
Mathematical statements are called expressions if they have at least two words that are related by an operator and contain either numbers, variables, or both. Addition, subtraction, multiplication, and division are all possible mathematical operations.
Given,
m<10 = 30° then need to find the value of m<13
When the value of m<10 is 30°
Then the value of the given equation m<13 is 30/10*13= 3*13=39°
Hence the value of m<13 is 39°
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15/53
1
35%
White shapes and black shapes are used in a game.
Some of the shapes are circles.
All the other shapes are squares.
OD
The ratio of the number of white shapes to the number of black shapes is 5:11
The ratio of the number of white circles to the number of white squares is 3:7
The ratio of the number of black circles to the number of black squares is 3:8
Work out what fraction of all the shapes are circles
9/32 is fraction of all the shapes are circles .
What does a math ratio mean?
An ordered pair of numbers a and b, represented as a / b, is a ratio if b is not equal to 0. A proportion is an equation that sets two ratios at the same value. For instance, you could express the ratio as follows: 1: 3 if there is 1 boy and 3 girls (for every one boy there are 3 girls)Find the equivalent ratio for the total shapes:
Total Black Shapes : Total White Shapes = 5 : 11
Multiply by 2:
Total Black Shapes: Total White Shapes = 10 : 22
Find the ratio for the white shapes:
White circles : White squares = 3 : 7
Sum of the units = 3 + 7
Sum of the units = 10
Find the equivalent ratio for the total shapes:
Black circles : Black squares = 3 : 8
Multiply by 2:
Black circles : Black squares = 6 : 16
Sum of the units = 6 + 16
Sum of the units = 22
Combine the ratios:
white circles : white squares : black circles : black square = 3 : 7 : 6 : 16
Circles = 3 + 6
Circles = 9 units
Total = 3 + 7 + 6 + 16
Total = 32 units
Find the fraction of all the shapes that are circles:
Fraction = 9/32
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Can someone answer this asap #needhelp thanks
Answer:i think it is 7/3
Step-by-step explanation:
a fruit drink is made by mixing 60ml of orange juice with 180ml of pineapple juice. what is the ratio of orange juice to pineapple juice in its simplest form?
Answer:
1:3
Step-by-step explanation:
both divide by 60 so do 60 divided by 60 which is one
then 180 divided by 60 which is three
this gives you the answer
Answer:
1:3
Step-by-step explanation:
a ratio is basically the same as a fraction just in a different form. so it would be 60/180 simplified. both 60 and 180 can be divided by 60. so you would divide both numbers by 60 to get 1/3. this cannot be simplified any further. then to put it as a ratio it would just be 1:3
A simple random sample is taken from a population and yields the following data for a variable of the population. 7 39 35 33 20
29 13 19 19 32 Find a point estimate for the population mean (that is, the mean of the variable). A point estimate for the population mean is______ (Round to one decimal place as needed.)
To find a point estimate for the population mean, we can calculate the sample mean using the given data. The point estimate for the population mean is 25.7 (rounded to one decimal place).
To calculate the point estimate for the population mean, we add up all the values in the sample and divide by the number of observations. In this case, the given data is 7, 39, 35, 33, 20, 29, 13, 19, 19, and 32. Summing up these values, we get 266. Dividing by the sample size, which is 10, we find the sample mean to be 26.6. Rounding this value to one decimal place, the point estimate for the population mean is 25.7. This estimate represents our best guess for the average value of the variable in the entire population based on the given sample.
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Find the area, Show steps please
Answer:
area = 8.75 ft²
Step-by-step explanation:
area = 1/2bh
area = 1/2(7)(2.5) = 8.75 ft²
Are the answers rounded to the nearest tenth?
Answer:
insert the image in the comment and ill tell you
Step-by-step explanation:
LMNP is a parallelogram. On a coordinate plane, parallelogram L M N P is shown. Point L is at (negative 4, 1), point M is at (2, 4), point N is at (3, 2), and point P is at (negative 3, negative 1). What additional information would prove that LMNP is a rectangle?
Answer:
D. LP ⊥ PN
Step-by-step explanation:
A rectangle is a four-angle parallelogram, so to demonstrate that LMNP is a rectangle, we must prove that LP is perpendicular to PN.
The vertical coordinates are L(-4,1), P(-3,-1) and N(3,2), then afterwards
PL = (-4 + 3, 1 + 1)
PL = (-1 , 2)
And,
PN = (3 + 3, 2 + 1)
PL = (6,3)
Now, consider the dot product,
PL.PN = (-1) (6) + (2) (3)
PL.PN = 0
As we can see that the two vectors having dot product is equal to zero as these vectors considered to be perpendicular.
Plus, It is mentioned that LMNP is a parallelogram
So,
m∠P = m∠M = 90° and m∠L = m∠N = 180° - 90° = 90°
Therefore all parallelograms angles are equal to each other
Therefore the LMNP is a rectangle
Answer:
D just took it on edgenunity
Step-by-step explanation:
we want to know if there is convincing evidence of a positive linear relationship between speed (mph) and jump height (in) for students like these. what is the p-value of this test?
To find the p-value for the test examining the positive linear relationship between speed and jump height, you need to calculate the Pearson correlation coefficient, determine the degrees of freedom, and then find the corresponding p-value.
To determine the p-value for this test, we would need to conduct a hypothesis test using a linear regression model. The null hypothesis would be that there is no linear relationship between speed and jump height, while the alternative hypothesis would be that there is a positive linear relationship between the two variables.
After running the regression model and performing the hypothesis test, we would look for the p-value associated with the slope coefficient for speed. If this p-value is less than the chosen significance level (usually 0.05), we can conclude that there is convincing evidence of a positive linear relationship between speed and jump height for students like these.
Without actually running the regression model and hypothesis test, it is not possible to provide an exact p-value for this scenario.
To determine if there is convincing evidence of a positive linear relationship between speed (mph) and jump height (in) for students like these, you need to conduct a correlation test, specifically a Pearson correlation test. The p-value will help you determine the significance of the relationship.
Step-by-step explanation:
1. Gather the data: Obtain the values for speed (mph) and jump height (in) for each student.
2. Calculate the Pearson correlation coefficient (r): This value will help you measure the strength and direction of the linear relationship between the two variables. You can use statistical software or a calculator for this.
3. Determine the degrees of freedom (df): Calculate this by subtracting 2 from the total number of data points (n). Formula: df = n - 2.
4. Calculate the p-value: Using the Pearson correlation coefficient (r) and the degrees of freedom (df), you can find the p-value in a t-distribution table or by using statistical software.
5. Interpret the p-value: If the p-value is less than your chosen significance level (commonly 0.05), there is convincing evidence of a positive linear relationship between speed and jump height. If the p-value is greater than 0.05, there is not enough evidence to suggest a significant positive linear relationship.
In summary, to find the p-value for the test examining the positive linear relationship between speed and jump height, you need to calculate the Pearson correlation coefficient, determine the degrees of freedom, and then find the corresponding p-value. Comparing this p-value to your chosen significance level will help you conclude if there is convincing evidence of a positive linear relationship between the two variables.
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Need help with this trigonometry word problem
A balloon is connected to a meteorological station by a cable of length 200 m inclined at 60 degree angle with the ground. Find the height of the balloon from the ground.
Please show your work
9514 1404 393
Answer:
100√3 ≈ 173 m
Step-by-step explanation:
The mnemonic SOH CAH TOA reminds you of the relevant relationships.
Sin = Opposite/Hypotenuse
sin(60°) = height/(200 m)
height = (200 m)sin(60°) ≈ 173.205 m
The height of the balloon is about 173 meters.
Find a possible formula for the trigonometric function whose values are in the following table.
Answer:
-3
Step-by-step explanation:
the length of a rectangle is 3 yd less than double the width, and the area of the rectangle is 14 yd^2. find the dimensions of the rectangle.
Answer:
The rectangle is 3.5 yd x 4 yd
Step-by-step explanation:
Area = length x width = lw
l = length = 2w - 3
w = width
Area = 14(2w - 3)(w) = 14
2w² - 3w - 14 = 0
Use quadratic equation to find the 2 roots of w: a = 2, b = -3, c = -14
w = 3.5, -2 disregard the negative root
width = 3.5 yd
length = 2(3.5) - 3 = 4 yd
The dimensions of the rectangle are approximately 2.23 yards by 1.46 yards.
We are assuming the width of rectangle to be "x" yards. Then, the length would be (2x - 3) yards, since it is 3 yards less than double the width. The formula for the area of a rectangle is A = l x w, so we can plug in the values we know:
14 = (2x - 3) x x
Expanding the brackets:
14 = 2x² - 3x
Put this equation=0:
2x² - 3x - 14 = 0
Using the quadratic formula:
x = (3 ± √(3² + 4 x 2 x 14)) / (2 x 2)
x = (3 ± √97) / 4
We can ignore the negative root, since the width cannot be negative. Therefore,
x ≈ 2.23
This is the width of the rectangle. To find the length, we can plug this value back into the expression we derived earlier:
length = 2x - 3
length ≈ 1.46
Therefore, the dimensions of the rectangle are approximately 2.23 yards by 1.46 yards
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A circle is centered at D(-1,3). The point G(-10,1) is on the circle.
Where does the point J(-3, 12) lie?
Answer:on the circle
Step-by-step explanation:
Point J(-3, 12) is lying on the circle whose center is located at point D(-1, 3).
What is a circle?It is defined as the combination of points that and every point has an equal distance from a fixed point ( called the center of a circle).
We have a center of the circle at D(-1, 3)
And point G(-10, 1) is on the circle.
We know the standard equation of the circle when a center is given:
\(\rm (x-h)^2+(y-k)^2=r^2\)
Where r is the radius of the circle and (h, k) is the center of the circle.
Here (h, k) ⇒ (-1, 3)
The circle equation becomes:
\(\rm (x+1)^2+(y-3)^2=r^2\)
Put the point on the circle equation to get the radius of the circle:
\(\rm (-10+1)^2+(1-3)^2=r^2\)
\(\rm (-9)^2+(-2)^2= r^2\\\\\rm 81+4 = r^2\\\\ \rm r = \sqrt{85} \ units\)
Equation of circle is:
\(\rm (x+1)^2+(y-3)^2=85\)
Now put the point J(-3, 12 ) in the circle equation:
\(\rm (-3+1)^2+(12-3)^2=85\)
4+ 81 ⇒ 85
It means point J is lying on the circle.
Thus, point J(-3, 12) is lying on the circle whose center is located at point D(-1, 3).
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find the value of variable in the figures below. round answers to the nearest hundredth
A right triangle and two of its side lengths are shown in the diagram. 11.9 cm 7.9 cm x cm Which measurement is closest to the value of x in centimeters?
6.3
4.0
14.3
19.8
The measurement that is closest to the value of x, in centimeters, is given as follows:
14.3.
How to obtain the value of x?In this problem, we have a right triangle, in which the legs, which are the sides between the angle of 90º, are of 11.9 cm and 7.9 cm.
Then the hypotenuse x, which is the segment connecting both legs, is obtained using the Pythagorean Theorem.
The Pythagorean Theorem states that the measure of the hypotenuse squared is equals to the sum of the squares of the measures of each side.
Then the length of x is calculated as follows:
x² = 11.9² + 7.9²
x = square root of (11.9² + 7.9²)
x = 14.28.
Closest to 14.3, rounding to the nearest tenth, meaning that the third option is correct.
Missing InformationWe suppose that 11.9 cm and 7.9 cm are the measures of the legs.
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