In rectangle ABCD, BC=30 and AB=40. If diagonals AC and BD intersect at E, find the measure of BE.
To find the measure of BE in rectangle ABCD, we can use the properties of a rectangle and similar triangles. By using the Pythagorean theorem, we find the length of the diagonal AC. Then, we use the properties of similar triangles to calculate the length of BE.
Explanation:To find the measure of BE, we can use the properties of a rectangle. In rectangle ABCD, the diagonals are equal in length and bisect each other. Therefore, we can use the Pythagorean theorem to find the length of the diagonal AC: AC^2 = AB^2 + BC^2. Plugging in the values given, AC^2 = 40^2 + 30^2 = 2500, so AC = sqrt(2500) = 50. Since the diagonals bisect each other, we can conclude that AE = 50/2 = 25. Now, we can use the properties of similar triangles to find the length of BE. Triangle ABE is similar to triangle ACE, so we can set up the following proportion: AB/AC = BE/AE. Plugging in the values, 40/50 = BE/25. Solving for BE, we get BE = (40/50) * 25 = 20.
To find the measure of BE in rectangle ABCD, we use the Pythagorean Theorem. As the diagonals bisect each other, BE is half the length of diagonal AC, resulting in BE = 25.
Explanation:In rectangle ABCD with BC=30 and AB=40, the diagonals bisect each other. That means E, the point of intersection, is the midpoint of both diagonals AC and BD. Since ABCD is a rectangle, its diagonals are equal, and AC = BD. To find BD, we use the Pythagorean Theorem in ΔABC:
AC² = AB² + BC²AC² = 40² + 30²AC² = 1600 + 900AC² = 2500AC = √2500AC = 50Since E is the midpoint of BD, BE is half the length of BD:
BE = BD/2BE = AC/2 (because AC = BD)BE = 50/2BE = 25
What is the x-intercept of the line with this equation −2r+1/2 y=18?
Enter your answer in the box.
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if susie is fourteen, what was her age x years ago?
Which graph represents a linear function?
A coordinate plane is shown with a curved line that starts in the bottom left area of the graph, passing through the point -1 comma -5, curving to pass through the y-axis at 2.5, then curving up again to pass through the point 1 comma 5
A coordinate plane is shown with a line passing through the x-axis at negative 2 and the y-axis at negative 6.
A coordinate plane is shown with a parabola graphed in an upward U shape. The bottom of the parabola touches the y-axis at -10 and curves upward on both sides
A coordinate plane is shown with a wavy line that sits on the x-axis and moves across the graph in even up and down waves.
Answer:
2nd Option is correct.
Step-by-step explanation:
We are given with four statements which describes a graph of a function.
We need to find the graph which represents the linear function.
Linear Function:
Linear functions are the functions whose graph are straight lines.
A linear function has the following form
y = f(x) = a + bx
A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y.
So, In graphs of 1st , 3rd and 4th Options are curves not a straight line.
Only 2nd Option has graph which is straight as mentioned in it that a line passing through two points.
Therefore, 2nd Option is correct.
Write a linear equation in slope intercept form to model a tree 4 feet tall the grows 3 inches per year
The linear equation that models the growth of a tree that is 4 feet tall and grows 3 inches per year is y = 3x + 48.
Explanation:The problem involves writing a linear equation in slope-intercept form to model the growth of a tree. The slope-intercept form is given by the equation y = mx + b, where 'm' represents the slope or the rate of change, and 'b' is the y-intercept or the initial value.
In the context of this problem, the tree's initial height is 4 feet and it grows at a rate of 3 inches per year. However, the units of the initial height and the yearly growth rate are different, so we need to convert 4 feet into inches. As 1 foot is equivalent to 12 inches, the initial height of the tree is 4 * 12 = 48 inches.
Therefore, the slope or rate of change 'm' is 3 inches per year and the y-intercept or initial value 'b' is 48 inches. Substituting these values into y = mx + b gives us the linear equation representing the growth of the tree: y = 3x + 48.
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CD is perpendicular to AB and passes through point C (5,12).
If the coordinates of A and B are (-10, -3) and (7, 14), respectively, the x- intercept of CD is:
(12, 0)
(15, 0)
(17, 0)
or (19,0).
The point:
(-5, 24)
(-2, 19)
(7, -10)
or (8, 11)
lies on CD.
Answer
CD is 17,0
The point -2,19
Step-by-step explanation:
Selina claims single having one exemption. Her state tax deduction is 21% of her federal tax contribution. Calculate the amount of state tax Selina owes if her gross pay for two weeks is $840. The following federal tax table is for biweekly earnings of a single person.
Answer:
$16.80
Step-by-step explanation:
how many grams of O2 are in 5.0 mol of the element? Can someone tell me if I have this right please.? 1 mole of O2 = molecular wt of 32
so 5 mol = 32 *5=160 g ...?
Answer:
160g
Step-by-step explanation:
What integer is equivalent to 9^3/2?
Answer:
27
Step-by-step explanation:
Convert the fraction in the exponent to a root, to simplify the expression and make the calculation easier.
[tex]9^{\frac{3}{2}}\\=\sqrt{9^{3} } \\=\sqrt{729} \\=27[/tex]
Therefore the integer which is equivalent to [tex]9^{\frac{3}{2} }[/tex] is 27.
What is the r value of the following geometric sequence? 4, 7, 12.25, 21.4375.
Answer:
r ( common ratio) = 1.75
Step-by-step explanation:
Given : geometric sequence 4, 7, 12.25, 21.4375.
To find : What is the r value .
Solution : We have given
Geometric sequence 4, 7, 12.25, 21.4375.
r ( common ratio) = [tex]\frac{second\ term}{first\ term}[/tex].
r ( common ratio) = [tex]\frac{7}{4}[/tex] = 1.75
r ( common ratio) = [tex]\frac{12.25}{7}[/tex] = 1.75
Therefore, r ( common ratio) = 1.75
state the degree x^3y^2+7x^2y^5-3xy^8
Answer:9
Step-by-step explanation:
solve this problem 2-(-8)+(-3)=
Answer:
7Step-by-step explanation:
(-)(-) = (+)
(-)(+) = (+)(-) = (-)
(+)(+) = (+)
2 - (-8) + (-3) = (*)
-(-8) = 8
+(-3) = -3
(*) = 2 + 8 - 3 = 10 - 3 = 7
What are the sine, cosine, and tangent of Θ = 3 pi over 4 radians?
What is the function rule for (1,6) (2,24) and (3,54)?
Write a justification for each step.
The triangular region shows the number of possible raisins, x, and number of possible chocolate chips, y, a baker can use in a recipe.
Which combination of raisins and chocolate chips can the baker use?
A. 28 raisins and 20 chocolate chips
B. 33 raisins and 25 chocolate chips
C. 45 raisins and 10 chocolate chips
D. 55 raisins and 12 chocolate chips
we will proceed to verify each of the cases to determine the solution of the problem
we know that
The combination of raisins and chocolate chips that can the baker use, must be inside the triangular region
so
we're graphing each of the cases
Let
x--------> the number of possible raisins
y--------> the number of possible chocolate chips
case A
Let
[tex]A(28,20)[/tex]
using a graphing tool
see the attached figure
The point [tex]A(28,20)[/tex] is include inside the triangular region
therefore
The case A is a solution
case B
Let
[tex]B(33,25)[/tex]
using a graphing tool
see the attached figure
The point [tex]B(33,25)[/tex] is not include inside the triangular region
therefore
The case B is not a solution
case C
Let
[tex]C(45,10)[/tex]
using a graphing tool
see the attached figure
The point [tex]C(45,10)[/tex] is not include inside the triangular region
therefore
The case C is not a solution
case D
Let
[tex]D(55,12)[/tex]
using a graphing tool
see the attached figure
The point [tex]D(55,12)[/tex] is not include inside the triangular region
therefore
The case D is not a solution
the answer is the option A
[tex](28,20)[/tex]
Please help, need it so much!
[9.06] Jacob kicks a soccer ball off the ground and in the air with an initial velocity of 33 feet per second. Using the formula H(t) = −16t2 + vt + s, what is the maximum height the soccer ball reaches?
15.1 feet
16.5 feet
17.0 feet
18.2 feet
Answer:
C. 17.0 feet
Step-by-step explanation:
We have been given that Jacob kicks a soccer ball off the ground and in the air with an initial velocity of 33 feet per second. We are asked to find the maximum height the soccer ball using formula [tex]H(t)=-16t^2+vt+s[/tex].
First of all, we will substitute [tex]v=33[/tex] in our given formula.
[tex]H(t)=-16t^2+33t+0[/tex]
Since our given parabola has a negative leading coefficient, so it will be downward opening parabola. The maximum height of the ball will be y-coordinate of the vertex of parabola.
Let us find x-coordinate of parabola as:
[tex]\frac{-b}{2a}=\frac{-33}{2\times -16}=\frac{-33}{-32}=\frac{33}{32}[/tex]
Now, we will substitute [tex]x=\frac{33}{32}[/tex] in our formula to find y-coordinate of vertex.
[tex]H(\frac{33}{32})=-16(\frac{33}{32})^2+33(\frac{33}{32})+0[/tex]
[tex]H(\frac{33}{32})=-16*\frac{1089}{1024}+\frac{1089}{32}[/tex]
[tex]H(\frac{33}{32})=-16*1.0634765625+34.03125[/tex]
[tex]H(\frac{33}{32})=-17.015625+34.03125[/tex]
[tex]H(\frac{33}{32})=17.015625[/tex]
[tex]H(\frac{33}{32})\approx 17.0[/tex]
Therefore, the ball reached the maximum height of 17.0 feet and option C is the correct choice.
HELP!! Which of the following is not a possible value for a probability?
A. 0.001
B. 1/16
C. 0.82
D. 5/4
Answer: Option 'D' is correct.
Step-by-step explanation:
Since we know that
Probability is the giving the possibility of given outcome or any certain events.
Probability is the number of ways of achieving the success.
Probability of event that certain to happen is 1.
Probability of event that is impossible is 0.
Sum of probabilities of all likelihood occurring events is 1.
So, Probability of any event can exceed 1.
But,
[tex]\frac{5}{4}=1.25\text{ which is greater than 1}\\[/tex]
Hence, it is not possible value for a probability .
Therefore, Option 'D' is correct.
Final answer:
The value 5/4 is not a valid probability, as probabilities must be between 0 and 1 inclusive. The correct answer is D.
Explanation:
The question that needs assistance asks about which value is not a possible value for a probability. By definition, probabilities can range from 0 (the event will not occur) to 1 (the event is certain to occur). So, looking at the options given, A (0.001), B (1/16), and C (0.82) are all between 0 and 1, which means they are valid probabilities. However, option D (5/4) is greater than 1, which makes it an invalid probability. The correct answer is D: 5/4 is not a possible value for a probability.
HELP! A simplified version of sin2 θ (1 + cot2 θ) = 1 is ...?
59 pounds to 35 pounds increase or decrease
Comparing 59 pounds to 35 pounds shows a decrease of 24 pounds, which can be calculated by subtracting the smaller number from the larger number.
Explanation:If we are considering the transition from 59 pounds to 35 pounds, we need to determine whether this change represents an increase or a decrease. Comparing the two numbers, we can observe that 35 pounds is less than 59 pounds. Therefore, moving from a higher number to a lower number indicates a decrease. To calculate the decrease, we subtract the smaller number (35 pounds) from the larger number (59 pounds) which equals 24 pounds. So, there is a decrease of 24 pounds.
Using the example parameters given in the hypothetical experiment on weight perception, we've applied similar reasoning. If someone in the experiment stepped down from lifting 20 pounds to lifting weights less than this, it would also be considered a decrease in weight. If they stepped up from lifting a weight of 20 pounds to a heavier weight, it would be termed an increase. This example underscores the importance of difference detection, which is often studied in sensory experiments within psychology.
Find the dimensions of a right-circular cylinder that is open on the top and closed on the bottom, so that the can holds 1 liter and uses the least amount of material? ...?
The dimensions of the right-circular cylinder, which has a volume of 1 liter and uses the least amount of material, are such that the radius and twice the height are equal to the cube root of the volume divided by π, i.e., (0.001/π)^(1/3).
Explanation:In Mathematics, given the volume of a right-circular cylinder (an open top can), we can find its optimal dimensions that would use the least amount of material. These dimensions correspond to the minimum surface area of the cylinder, which includes its closed bottom but not the open top.
Since the volume V of a right-circular cylinder is given by V=πr²h, where r is the radius and h is the height. We know that the volume equals 1 liter or 0.001 m³. Rearranging the volume equation for h gives us h=V/(πr²).
Next, the surface area A of the cylinder with closed bottom is A=2πrh+πr². Substituting h=V/(πr²) into the surface area gives A=2r(V/r)+(πr²) which simplifies to A=2V/r+πr². For the surface area to be minimum, the derivative of A with respect to r must be equal to zero. The first derivative of A is A'=-2V/r²+2πr. Set A'=0 we solve for r we find r=(V/(π))^(1/3). Substituting this value back into the equation for h gives us h=2*(V/(π))^(1/3).
Hence, for a right-circular cylinder of 1 liter volume (0.001 m³) to use the least amount of material, it should have a radius and twice the height equal to the cube root of the volume divided by π, i.e., (0.001/π)^(1/3).
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The table lists the values for two parameters, x and y, of an experiment. What is the estimated value of x for y = 0.049?
a) 20.4
b) 21.4
c) 23.7
d) 24.7
yep 20.4 is the correct answer for plato!!
What's the numerator for the following rational expression? 8/y+3/y=?/y
Find the greatest common factor of the following monomials.
21g^3h 45g^3h^2
Which size is better in buying detergent: 32 fl oz for $1.99
50fl oz for $2.49
Find P(Not a 2).
X 1 2 3 4
P(X) 0.30 0.40 0.15 0.15
A. 0.70
B. 0.60
C. 0.30
D. 0.40
Answer:
Option B is correct.
Step-by-step explanation:
We have been given the different probabilities at different point we need to find the probability of not of 2
We know that sum of probabilities is 1
[tex]P(a_2)+P(not a_2)=1[/tex]
Here, the probability that is P(a 2)=0.40
Hence, the required probability is 1-0.40=0.60
Therefore, option B is correct.
Nicole deposits $2,136 in a savings account paying 5.36% interest. To the nearest dollar, how much money does Nicole have in total after nine years? a. $213 b. $1,030 c. $1,272 d. $3,166
we know that
The simple interest formula is equal to
[tex]A=P(1+rt)[/tex]
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
[tex]t=9\ years\\ P=\$2,136\\ A=?\\r=0.0536[/tex]
substitute in the formula above
[tex]A=2,136(1+0.0536*9)[/tex]
[tex]A=2,136(1.4824)[/tex]
[tex]A=\$3,166.41[/tex]
Round to the nearest dollar
[tex]A=\$3,166[/tex]
therefore
the answer is the option D
[tex]\$3,166[/tex]
A bird flies from the bottom of a canyon that is 59 and three fifths
feet below sea level to a nest that is 609 and one fifth
feet above sea level. What is the difference in elevation between the bottom of the canyon and the bird's nest?
which rule describes the transformation that was used to form parallelogram A'B'C'D'
Transformation involves changing the position of a shape
The transformation rule is: [tex](x-10,y-3)[/tex]
From the attachment, we have:
[tex]A = (4,7)[/tex]
[tex]A' = (-6,4)[/tex]
The translation rule from ABCD to A'B'C'D' is calculated as follows:
[tex](x,y) = A' - A[/tex]
This gives:
[tex](x,y) = (-6,4) - (4,7)[/tex]
Rewrite as:
[tex](x,y) = (-6- 4,4-7)[/tex]
[tex](x,y) = (-10,-3)[/tex]
Hence, the transformation rule is:
[tex](x-10,y-3)[/tex]
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solve x 2 −18x+81=0 for x