The dimensions (in m) of the cardboard box with the largest volume is obtained as 2 m length.
Define the term largest volume?Volume is a mathematical term that describes how much three-dimensional space an object or closed surface occupies. Volume is measured in cubic units like m3, cm3, in3, etc. Volume is sometimes referred to as capacity.Dimensions of piece of cardboard;
Length = 8 mWidth = 4 m.Let the corner cut length be 'x',
New dimensions;
Length = 8 - 2x Width = 4 - 2xHeight = xVolume = length x width x height
Put the values;
V = ( 8 - 2x ) (4 - 2x) x
Find the solution of the obtained quadratic equation by quadratic formula.
x = 0, 2 and 4.
As, x ≠ 0 and 4.
Thus, x = 2.
Thus, the dimensions (in m) of the box with the largest volume is obtained as 2 m length.
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De la comida que hay en la nevera, un tercio son alimentos sólidos. De estos un medio son vegetales, de los cuales tres quintos son frutas, de las que dos quintos son manzanas.
¿Qué fracción del total son manzanas?
Si X es la cantidad total de alimento en la heladera, (1/10)*X es la cantidad de manzanas, entoces vemos que la fraccion es 1/10.
¿Qué fracción del total son manzanas?Digamos que la variable X representa la cantidad total de comida en la heladera.
Sabemos que un tercio del total de los alimentos son solidos, entonces la cantidad de alimentos solidos es:
(1/3)*X
Luego 1/2 de estos son verduras, entonces la cantidad de verduras que tenemos es:
(1/2)*(1/3)*X
Finalmente, 3/5 de las verduras son manzanas, entonces la cantidad de manzanas es:
(3/5)*(1/2)*(1/3)*x = (1/10)*x
Asi hemos encontrado la fraccion.
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Review the proof. Step 1 / cos(2x) =1-2sin2x
Which step contains an error?step 2/ step 4/ step 6/ step 8
Answer:
Step 6 is wrong
Question 1(Multiple Choice Worth 2 points)
(Pythagorean Theorem MC)
One leg of a right triangle is 8 units long, and its hypotenuse is 14 units long. What is the length of the other leg? Round to the nearest whole number.
11 units
13 units
18 units
22 units
Question 2(Multiple Choice Worth 2 points)
(Interior and Exterior Angles LC)
Two angles in triangle PQR are congruent, ∠P and ∠Q; ∠R measures 34.15°. What is the measure of ∠P?
145.85°
57.45°
34.15°
72.925°
Question 3(Multiple Choice Worth 2 points)
(Pythagorean Theorem and the Coordinate Plane MC)
Determine the length of the line segment shown.
line segment from negative 3 comma 10 to 4 comma negative 1
13 units
12 units
7 units
3 units
Question 4(Multiple Choice Worth 2 points)
(Polygon Angle Sums MC)
A regular polygon has 25 sides. If one of its angles measures (6h − 15)°, what is the value of h?
h = 6.7
h = 16.7
h = 30.1
h = 33.8
Question 5(Multiple Choice Worth 2 points)
(Angle Relationships LC)
Angles A and B are supplementary. Determine the measure of angle A if the measure of angle B is 109.6°.
250.4°
63.2°
70.4°
19.6°
Question 6(Multiple Choice Worth 2 points)
(Angle Relationships MC)
Two angles are complementary to each other. One angle measures 26°, and the other angle measures (10x − 11)°. Determine the value of x.
2.6
5.6
7.5
24.5
Question 7(Multiple Choice Worth 2 points)
(Pythagorean Theorem and the Coordinate Plane MC)
Determine the distance between the points (−4, −5) and (8, 0).
13 units
12 units
8 units
29 units
Question 8(Multiple Choice Worth 2 points)
(Interior and Exterior Angles MC)
In triangle EFG, m∠E = 95.2° and m∠F = 43.7°. Determine the measure of the exterior angle to ∠G.
138.9°
84.8°
51.5°
41.1°
Question 9(Multiple Choice Worth 2 points)
(Angle Relationships MC)
The following angles are supplementary to each other.
m∠A = (3x + 21)° and m∠B = (6x − 21)°
Determine x.
10
20
36
60
Question 10(Multiple Choice Worth 2 points)
(Pythagorean Theorem LC)
Determine which set of side measurements could be used to form a right triangle.
square root of 19 comma square root of 35 comma 54
square root of 15 comma 6 comma square root of 51
5, 8, 30
5, 6, 7
Question 11(Multiple Choice Worth 2 points)
(Pythagorean Theorem LC)
Determine which set of side measurements could be used to form a triangle.
2, 6, 10
3, 18, 22
7, 13, 16
8, 7, 19
Question 12(Multiple Choice Worth 2 points)
(Interior and Exterior Angles MC)
For triangle XYZ, m∠X = (7g + 12)° and the exterior angle to ∠X measures (2g + 60)°. Find the measure of ∠X and its exterior angle.
Interior angle = 49°; exterior angle = 131°
Interior angle = 131°; exterior angle = 49°
Interior angle = 96°; exterior angle = 84°
Interior angle = 84°; exterior angle = 96°
Question 13(Multiple Choice Worth 2 points)
(Pythagorean Theorem MC)
In a video game, Shar has to build a pen shaped like a right triangle for her animals. If she needs 9 feet of fence for the shortest side and 15 feet of fence for the longest side, how many feet of fencing is needed for the entire animal pen?
12 feet
16 feet
36 feet
38 feet
Question 14(Multiple Choice Worth 2 points)
(Polygon Angle Sums LC)
Find the sum of the interior angles of a 12-sided polygon.
1,080°
1,800°
2,100°
2,160°
Question 15(Multiple Choice Worth 2 points)
(Pythagorean Theorem and the Coordinate Plane MC)
The locations of student desks are mapped using a coordinate plane where the origin represents the center of the classroom. Maria's desk is located at (1 −1), and Monique's desk is located at (−4, 5). If each unit represents 1 foot, what is the distance from Maria's desk to Monique's desk?
square root of 7 feet
square root of 14 feet
square root of 85 feet
square root of 61 feet
Answer:
Step-by-step explanation:
This problem is solved using the Pythagorean theorem (a2+b2=c2). In this formula a and b are the legs of the right triangle while c is the hypotenuse.
Using the labels of our triangle we have:
o2+a2=h2
\dpi{100} h^{2}=(10ft)^{2} +(17ft)^{2}
h2=100ft2+289ft2
h=389ft2−−−−−√
So with this information you can see that the correct answer is 19.7ft
Zachary is applying biomechanics to develop a specialized bat for a professional player. What does he compar
the hitter to?
Oa machine
O a computerized model
O another professional player
O a 3-D diagram
Answer:
Another Professional Player
an experiment consists of tossing a fair die until a 6 occurs four times. what is the probability that the process ends after exactly stack exchange
The experiment will end after 4th time.
What is probability?The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.The likelihood that an event will occur increases with its probability.A straightforward illustration is tossing a fair (impartial) coin.The chance of both outcomes ("heads" and "tails") is equal because the coin is fair, "heads" is more likely than "tails," there are no other conceivable outcomes, and the likelihood of either outcome is half .hence, after 4th trial experiment will stop.
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You work at a restaurant as a host and a server. You earn $9.45 for each hour you work as a host and $7.65 for each hour you work as a server.
a. Identify an equation in standard form that models your earnings.
Responses
7.65x+9.45y=160.657 point 6 5 x plus 9 point 4 5 y is equal to 160 point 6 5
y=17x+160.65y is equal to 17 x plus 160 point 6 5
9.45x+7.65y=160.659 point 4 5 x plus 7 point 6 5 y is equal to 160 point 6 5
9.45x−7.65y=160.659 point 4 5 x minus 7 point 6 5 y is equal to 160 point 6 5
Question 2
b. Graph the equation.
Keyboard Instructions
Initial graph state
The horizontal axis goes from -1.4 to 22.4 with ticks spaced every 2 unit(s).
The vertical axis goes from -1.4 to 22.4 with ticks spaced every 3 unit(s).
Hours worked as hostHours worked as server
Answer:
7
Step-by-step explanation:
65x+9.45y=160.657 point 6 5 x plus 9 point 4 5 y is equal to 160 point 6 5
Beginning with the equation 3m=7 write the new equation produced by multiplying both sides by 3/8
Answer:
9/8 m = 21/8
or
9m/8 = 21/8
Step-by-step explanation:
3m = 7
3/8 × 3m = 3/8 × 7
9/8 m = 21/8
A school is painting its logo in the shape of a triangle in the middle of its sports field. The school wants the height of the triangle to be 8 feet. The area of the logo must be less than 48 square feet. (The school doesn't want to buy more paint.) Write an inequality that describes the possible base lengths (in feet) of the triangle.
Use "b" for the base length of the triangular logo.
Answer:
Step-by-step explanation:
We know that the area of a triangle is given by :-
Let b be the base (in feet) of the triangle .
it is given that , The school wants the height of the triangle to be 6 feet.
Then, the area of triangle will be :-
(1)
The area of the logo must be at most (less than or equal to) 15 square feet.
i.e. Area ≤ 15 square feet (2)
Now, Substitute the value of A from (1) into (2) , we get
Divide both sides by 3 , we get
Use the rules of measurement to divide
Answer:
[tex] \frac{ {m}^3{} }{25} [/tex]
Step-by-step explanation:
that is the answer
What equation is graphed in this figure?
y−4=−1/3(x+2)
y−3=1/3(x+1)
y+2=−3(x−1)
y−5=3(x−1)
The equation of the graph in point slope form is y + 2 = -3(x - 1)
How to find equation of a graph?The equation of the graph in point slope form can be represented as follows;
y - y₁ = m(x - x₁)
where
m = slopex₁ and y₁ are variableusing two point let's find the slope
(0, 1)(-1, 4)
Hence,
m = 4 - 1 / -1 - 0
m = 3 / -1
m = -3
Therefore, the slope of the line is - 3.
Therefore, using one coordinates(1, -2) from the graph, the equation of the graph in point slope form is y + 2 = -3(x - 1)
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Jeremy has a huge display of holiday decorations outside his home. He used 6 kilowatt hours (KWH) of electricity in November and used a total of 120KWH during the holiday season until he took them down on December 30. Set up and solve an equation that can be used to calculate the amount of electricity Jeremy used per day during the month of December.
The equation that can be used to find the amount of electricity Jeremy used per day during the month of December is 3.8KWH per day and Jeremy used 3.8KWH per day electricity in the month of December.
How to write and solve an equation?Electricity Jeremy used in November = 6 kilowatt hours (KWH)
Total electricity used in the holiday season = 120KWH
He took the decorations down on December 30
Amount of electricity Jeremy used per day during the month of December =
(Total electricity used in the holiday season - Electricity Jeremy used in November) / 30 days
= (120KWH - 6KWH) / 30
= 114KWH / 30
= 3.8KWH per day
In conclusion, the amount of electricity Jeremy used per day in December is 3.8KWH per day.
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Which of these strategies would eliminate a variable in the system of equations?
The strategy which would eliminate a variable in the system of equations is to multiply the top equation by -5 , then add the equation and is denoted as option B.
What is Equation?This is a mathematical term which is made up of two expressions and is connected by an equal sign.
In the example given below:
x - 2y = 11
5x + 3y = -11
We can multiply the top by -5 which will result in:
-5x + 10y = -55 after which it is added to the other to give:
-5x + 5x + 10y + 3y = -55 + (-11)
13y = -66
y = -66/13.
From this we can notice that the variable x was eliminated which is why option B is the correct choice.
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HELPP!!!1 i'm rushing like i need to summit that ASAP!!
The missing expression in step 2 should be [(6² + 2)/0.5] - 14.8 ÷ 8.
The missing expression in step 6 should be 76 - 1.85.
How to evaluate and solve the given expression?In order to evaluate this expression, we would apply the PEMDAS rule, where mathematical operations within the parenthesis are first of all evaluated, followed by exponent, and then multiplication or division from the left side of the expression to the right. Lastly, the mathematical operations of addition or subtraction would be performed from left to right.
For step 1, we have the following:
[(6² + 2)/|-0.5|] - 14.8 ÷ 8.
In step 2, we would take the absolute value of -0.5:
[(6² + 2)/0.5] - 14.8 ÷ 8.
Therefore, we would have the quantity of the sum of six squared (6²) plus two (2) divided by 0.25, minus 14.8 ÷ 8
In step 3, we would take the exponent of 6:
[(36 + 2)/0.5] - 14.8 ÷ 8.
In step 4, we would add 36 and 2 together:
[(38)/0.5] - 14.8 ÷ 8.
In step 5, we would divide 38 by 0.5:
76 - 14.8 ÷ 8.
In step 6, we would divide 14.8 by 0.5:
76 - 1.85
In step 7, we would subtract 1.85 from 76 as follows:
Solution = 76 - 1.85 = 74.15.
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Convert 42°C into °F
Answer: 107.6
(42c x 9/5) +32
A local hamburger shop sold a combined total of 680 hamburgers and cheeseburgers on Friday. There were 70 fewer cheeseburgers sold than hamburgers. How
many hamburgers were sold on Friday?
hamburgers
Answer:
375
Step-by-step explanation:
h + c = 680
c = h - 70
h + h - 70 = 680
2h = 680 + 70
2h = 750
2/2 h = 750/2
h = 375
The area of a rectangular floor is 8x² + 6x-20. The width of the floor is 2x + 4. What is the length of the floor?
Answer:
Length = 4x - 5
Step-by-step explanation:
A = length x width
24. The height of an object varies directly with the length of its shadow. If a tree 8 feet tall casts a shadow 10 feet long, how long will be the shadow of a tree that is 12 feet tall?
Answer:
15 feet
Step-by-step explanation:
Given an 8' object casts a 10' shadow, you want to know the length of the shadow of a 12' object.
ProportionThe shadow length is proportional to the object length:
shadow/object = 10'/8' = s/12'
Multiplying by 12', we have ...
s = (12')(10/8) = 15'
The shadow of a tree 12 feet tall will be 15 feet long.
help meeeeeeeeeee pleaseeeeeeeeeeeee!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
h = 289 feet
Step-by-step explanation:
Comment
You need two givens to use in the formula to solve for the third.
Formula
v = sqrt(2*g*h)
Givens
V = 136 ft/s
g = 32 ft/s^2
h = ?
Solution
v = sqrt(2*g*h) Put the givens into the formula.
136 = sqrt(2* 32 * h) Square both sides
136^2 = sqrt(2*32*h)^2 Expand
18496 = 64* h Divide by 64
18496/64 = 64*h/64
289 feet = h
So the object must fall 289 feet before it reaches 136 m/s
Joe and Chris share a locker at school. if they each have 8 classes and each class has 2 books, how many books are in the locker. Please show the work! :)
Answer:
32 books
Step-by-step explanation:
Well if each have 8 classes and 2 books per class then to get the total of books you'd multiply 8x2 and you get 16 for one alone. Since its two people sharing a single locker than add 16 with another 16 and you get 32!
sorry I can't physically show the work but writing down a 8x2 on the side and then adding 16 to that answer should show it off! :]
solve for n. 15n<580.5 ill give 30 points. i need it fast asap
Answer: K 35
Step-by-step explanation:
We're given the inequality : 15n < 580.5
Divide both sides by 15.
-> 15n : 15 < 580.5 : 15
-> n < 38.7
Therefore, the final inequality is : n < 38.7
You and a friend go to Tacos Galore for lunch. You order three soft tacos and three burritos, and your total bill is $11.25. Your friend’s bill is $10.00 for four soft tacos and two burritos. How much do soft tacos cost? How much do burritos cost? Explain and show work
The cost of a soft taco is $1.25 and the cost of a burrito is $2.50.
Let the cost of a soft taco would be t and,
The cost of a burrito would be b
As per the given question, the equations would be as
3t+3b=11.25 ...(i)
4t+2b=10 ...(ii)
With the two equations in that form, an elimination solution is probably the simplest.
Multiply each equation by a constant so that the coefficients of b are opposite so that when the two equations are joined, b is eliminated.
-6t-6b = -22.50
12t+6b = 30.00
_____________
6t = 7.50
t = 7.50/6 = 1.25
Substitute the value of t = 1.25 in equation (ii), and solve for b
4(1.25)+2b=10
5+2b=10
2b=5
b=2.50
Thus, the cost of a soft taco is $1.25 and the cost of a burrito is $2.50.
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during the course of the basketball season, shawna made 67 out of 100 free throws. when we say that her probability of making a free throw during the playoffs is 0.67, what type of probability are we starting?
The type of probability are we starting will be relative frequency probability or the empirical probability,
What is probability?It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.
Given that, Shawna made 67 out of 100 free throw attempts during the course of the basketball season. When we state that she has a 0.67 chance of making a free shot during the postseason,
The ratio of the number of times an event occurs to the total number of outcomes that occurred is known as relative frequency.
Thus, the type of probability are we starting will be relative frequency probability or the empirical probability,
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Write the first four terms of two different arithmetic sequences with a common difference of −3. The first sequence starts with −12 and the second sequence starts with 12.
Answer:
Step-by-step explanation:
The first arithmetic sequence would be -12, -15, -18, -21. The second sequence would be 12, 9, 6, 3.
Método de igualación. {x-2y=11
x+5y=−17
The value of x and y is 7 and -2 respectively.
The equations to solve are -
x - 2y = 11 ....[1]x + 5y =−17 ....[2]On adding equations 1 and 2 we get ,
3y = -6
y = -2
Putting the value of y in equation 1,
⇒ x - 2(-2) = 11
⇒ x + 4 = 11
⇒ x = 7
Hence ,the value of x and y is 7 and -2 respectively.
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in a one-tailed hypothesis test (lower tail), the z test statistic is determined to be -1.9. the p-value for this test is
The p-value for this z test statistic is equal to 0.0287.
What is a null hypothesis?A null hypothesis (H₀) can be defined the opposite of an alternate hypothesis (H₁) and it asserts that two (2) possibilities are the same.
How to calculate value of the z test statistic?The z test statistic can be calculated by using this formula:
[tex]t=\frac{x\;-\;u}{\frac{\delta}{\sqrt{n} } }[/tex]
Where:
x represents the sample mean.μ represents the mean.σ represents the standard deviation.n represents the number of hours.In this scenario, the z test statistic for a one-tailed hypothesis test (lower tail) is equal to -1.9. Therefore, by using a t-distribution and z-score calculator for a normal distribution, the p-value for this test is given by:
P-value = P(t > -1.9)
P-value = 0.0287.
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Can someone teach me how to do this?
sin^-1(-1/2) enter directly into a calculator and you'll find your answer
Determine the slope of the graph of x2 = ln(xy) at the point (1, e).
The slope of the given graph x^2 = ln (xy) at the point (1, e) is e
We have been given a graph x^2 = ln (xy) and a point (1, e)
Differentiate the given graph on both sides
d/dx x^2 = d/dx (ln (xy))
⇒ 2x = 1/xy × d/dx (xy)
⇒ 2x × xy = x.dy/dx + y.dx/dx
⇒ 2x^2y = x.dy/dx + y
⇒ 2x^2y = x.dy/dx + y
⇒ 2x^2y - y = x.dy/dx
⇒ (2x^2y - y)/x = dy/dx … (1)
The slope at the point (1, e)
m = dy/dx at x = 1, y = e
Substitute the values in Equation (1)
⇒ m = (2(1)^2 (e) - e)/1
⇒ m = (2e - e)/1
⇒ m = e/1
⇒ m = e
Hence, the slope of the given graph is e.
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When the product of 6 and the square of a number is increased by 5 times the number, the result is 4. Select all of the values that the number could be?
When the product of 6 and the square of a number is increased by 5 times the number, the result is 4. then the values of the number is x = 1/2 and -4/3
The product of 6 and the square of a number
Consider the number as x
Then the product of 6 and the square of a number = [tex]6x^2[/tex]
The product of 6 and the square of a number is increased by 5 times the number, the result is 4
Then the equation will be
[tex]6x^2[/tex] + 5x = 4
Move 4 to the left hand side of the equation
[tex]6x^2[/tex] + 5x - 4 = 0
We have to solve the quadratic equation
Split the middle terms
[tex]6x^2[/tex] + 8x - 3x -4 = 0
2x(3x+4) -1(3x+4) = 0
(2x-1)(3x+4)= 0
Then the value of x will be
2x- 1 = 0
2x = 1
x = 1/2
Similarly
3x+4 = 0
3x = -4
x = -4/3
Hence, when the product of 6 and the square of a number is increased by 5 times the number, the result is 4. then the values of the number is x = 1/2 and -4/3
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Which of these is not the net of a cube?
a)
b)
B
C
D
Only 1 attempt allowed
Answer: b)
Please give brainliest thx
a rancher plans to use 170 yards of fencing to enclose a rectangular corral and to divide it into two parts with a fence parallel to the shorter sides of the corral. find the dimensions of the corral if its area is to be 1200 square yards.
The dimensions of recangle is = 30 yrds.
What is the area of rectangle?Any shape's area can be calculated by counting how many unit squares will fit inside of it. A square with a side of 1 unit is referred to as a unit square in this context. Therefore, the quantity of unit squares that make up a rectangle's perimeter is its area.Alternately, the area of the rectangle is the area contained within the boundary of this shape. The unit-length tiles in your home are a good illustration of a rectangle form. By counting the number of tiles, you can quickly determine how much space the floor takes up. This will also enable you to calculate the rectangular floor's area.acc to our question-
2000 = 160x - 3x^23x^2 -160x + 2000 = 0x = [160 +- sqrt(160^2 - 4*3*2000)]/6x = [160 +- sqrt(1600)]/6Positive solution:x = [160 + 40]/6x = 200/6x = 33 1/3 yrds. (side);Learn more about area of rectangle click here:
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