Answer:
О m³ (cubic meters)
Step-by-step explanation:
The volume formula is length * width * height
Example:
volume = 3m * 5m * 4m
volume = 60m³
The solution is, О m³ (cubic meters), is the correct label to show volume.
What is volume?In mathematics, volume is the space taken by an object. Volume is a measure of three-dimensional space. It is often quantified numerically using SI derived units or by various imperial or US customary units. The definition of length is interrelated with volume.
here, we have,
to find the correct label to show volume.
now, we know that,
The volume formula is length * width * height
as we know that,
the standard unit for length is meter (m).
now, we have,
length has unit m
width (= length) has unit m
and, height (=length) has unit m
so, we get,
Volume = length * width * height
= m * m* m (as unit)
= m³
Example:
volume = 3m * 5m * 4m
volume = 60m³
Hence, The solution is, О m³ (cubic meters), is the correct label to show volume.
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find an obtuse angle, θ, such that 0 ≤ θ ≤ 2π and has the same sine as -275°
please explain
The obtuse angle θ which has the same value of sin(-275) is 95°, which is in the second quadrant.
What are the different quadrants of trigonometric identities?
The first quadrant has angles between 0 and 90 degrees. The second quadrant has angles between 90 and 180 degrees. The third quadrant contains angles between 180 and 270 degrees. The fourth quadrant contains angles between 270 and 360 degrees. All six trigonometric functions have positive values in the first quadrant. The only positive values in the second quadrant are sine and cosecant. The only positive values are tangents and cotangents in the third quadrant. The only positive values in the fourth quadrant are cosine and secant.
We are asked to find an obtuse angle θ such that 0 ≤ θ ≤ 2π and has the same sine as -275°.
The value of sin(-275°) = 0.996
Since the value of sin(-275°) is positive, the angle θ should be in the first or second quadrant, because the sine of angles in the first and second quadrants is positive.
But the θ should be an obtuse angle.
So θ should be in the second quadrant.
sin(-275) = sin(360-275) = sin 85° = 0.996
sin(180 - 85) = sin(95) = 0.996
Therefore the obtuse angle θ which has the same value of sin(-275) is 95°, which is in the second quadrant.
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The radius of the circle measures 3M what is the circumference of the circle use 3.14 for pie , and do not round your answer. Be sure to include the correct unit in your answer.
Answer:
18.84
Step-by-step explanation:
Need help on these questions. What are the values of x? Need step by step.
8x²=6x²+5x²
-7x²+6=x²-7x²
7x²+9x²=-6x²-7x
Answer: Check down below!!!
Step-by-step explanation:
8x² = 6x² + 5x²
This problem can be solved by combining like terms. To do this, we add up the coefficients of the x² terms:
8x² = 6x² + 5x²
8x² = 11x²
Now, we can isolate x² by subtracting 11x² from both sides of the equation:
8x² - 11x² = 11x² - 11x²
-3x² = 0
Finally, we can divide both sides of the equation by -3 to get:
(-3x²)/(-3) = 0/(-3)
x² = 0
So the solution is x = 0.
-7x² + 6 = x² - 7x²
This problem can be solved by combining like terms. To do this, we add up the coefficients of the x² terms:
-7x² + 6 = x² - 7x²
-7x² + x² = -7x² + 6
-6x² = 6
Now, we can isolate x² by dividing both sides of the equation by -6:
(-6x²)/(-6) = 6/(-6)
x² = -1
So the solution is x = ±√(-1), which is an imaginary number.
7x² + 9x² = -6x² - 7x
This problem can be solved by combining like terms. To do this, we add up the coefficients of the x² terms:
7x² + 9x² = -6x² - 7x
16x² = -6x² - 7x
Now, we can isolate x² by adding 6x² to both sides of the equation:
16x² + 6x² = -6x² + 6x² - 7x
22x² = -7x
Finally, we can divide both sides of the equation by 22 to get:
22x²/22 = -7x/22
x² = -7x/22
So the solution is x = ±√(-7/22), which is a complex number.
what is the solution to the number sentence 18= b/-3 -4
Answer:
b = -66.
Step-by-step explanation:
[tex]18 = \frac{b}{ - 3} - 4 \\ = - 3(18) = - 3 \times \frac{b}{ - 3} - 4( - 3) \\ = - 54 = b + 12 \\ = - 54 - 12 = b \\ = - 66 = b[/tex]
if the work required to stretch a spring 1 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 9 in. beyond its natural length?
The answer is 1.25 ft-lb. This can be calculated by multiplying 15 ft-lb by (9 in. / 12 in. per ft), which equals 1.25 ft-lb. The amount of work needed to stretch a spring 9 inches beyond its natural length is 1.25 ft-lb.
1. Convert 9 in. to feet by dividing 9 in. by 12 in. per ft.
2. Multiply the result (0.75 ft) by 15 ft-lb, which equals 1.25 ft-lb.
The amount of work needed to stretch a spring 9 inches beyond its natural length is 1.25 ft-lb. This can be found by taking the given work required to stretch the spring 1 foot (15 ft-lb) and multiplying it by the ratio of the desired distance (9 in.) to 1 foot (12 in. per ft). First, the desired distance of 9 inches must be converted to feet by dividing it by the conversion factor of 12 inches per foot. This results in 0.75 feet. This number is then multiplied by the given work of 15 ft-lb to yield 1.25 ft-lb of work. This is the amount of work needed to stretch the spring 9 inches beyond its natural length.
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Determine whether each statement is true or false. Choose "True" or "False" for each statement.
Response area with 6 radio buttons within 3 groups.
Statement True or False?
An elevation of negative 25 feet is less than an elevation of 0 feet.
True
False
An elevation of negative 25 feet is greater than an elevation of 5 feet.
True
False
An elevation of negative 25 feet is less than an elevation of negative 5 feet.
True
False
An elevation of negative 25 feet is less than an elevation of 0 feet: True.
An elevation of negative 25 feet is greater than an elevation of 5 feet: False.
An elevation of negative 25 feet is less than an elevation of negative 5 feet: True.
What is a number line?In Mathematics, a number line can be defined as a type of graph with a graduated straight line which comprises both positive and negative numbers that are placed at equal intervals along its length.
This ultimately implies that, a number line primarily increases in numerical value towards the right from zero (0) and decreases in numerical value towards the left from zero (0).
In this context, we can reasonably infer and logically deduce that all numerical values (numbers) to the left are always less than numerical values (numbers) located to the right of a number line such as the following:
-25 < 0.
-25 < 5.
-25 < -5.
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In 10 words or fewer, write your own definition of slope.
Answer: An incline, a slant up or down.
Step-by-step explanation:
A gardener has 10 pounds of soil. He used 5/8 of the soil for his garden. How many pounds of soil did he use in the garden? How many pounds did he have left?
Answer:
Step-by-step explanation:
The gardener used 5/8 of the soil, which is equal to 10 * 5/8 = 10 * 0.625 = 6.25 pounds.
So, he used 6.25 pounds of soil in the garden.
The gardener had 10 - 6.25 = 3.75 pounds of soil left.
if you multiply the left side of an equation by 4, what must you multiply the right side of the equation by? 3
If you multiply the left side of an equation by 4, what must you multiply the right side of the equation by 4
Here you you multiply the left side of an equation by 4.
According to the solving for unknow rule you must perform same function to both side of the equation. If you multiply the left side of an equation by any integer then you must multiply the same integer on right hand side of the equation
To maintain equality, you must multiply the right side of the equation by 4 as well.
This is because the left side of the equation represents the same quantity as the right side, so any operation that is performed on one side must also be performed on the other side to preserve the equality.
Therefore, you must multiply the right side of the equation by 4
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How to solve this with sin, cos, or tangent
The area of the triangle is 72 units².
How to find the area of a triangle?The area of a triangle can be found using sine as follows:
area of a triangle = 1 / 2 ab sin C
Hence,
a = 12 b = 24C = 30 degreesTherefore,
area of a triangle = 1 / 2 × 12 × 24 × sin 30
area of a triangle = 1 / 2 × 288 × sin 30
area of a triangle = 1 / 2 × 288 × 0.5
area of a triangle = 1 / 2 × 144
area of a triangle = 72 units²
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A ladder 50m long is placed on the ground in such a way that it touches the top of vertical wall 30m high. Find the distance of the foot of the ladder from the bottom of the wall
The distance between the foot of the ladder from the bottom of the wall is 40 meters.
What is the Pythagorean theorem?The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (the longest side) is equal to the sum of the squares of the lengths of the other two sides.
Here,
The distance between the foot of the ladder from the bottom of the wall can be found by using the Pythagorean theorem.
The ladder is the hypotenuse, with a length of 50m
The distance from the wall to the ground is 30m
The distance from the wall to the foot of the ladder is x
Using the Pythagorean theorem:
x² + 30² = 50²
x² + 900 = 2500
x² = 1600
x = 40
So, the distance between the foot of the ladder from the bottom of the wall is 40 meters.
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Dequan is training for a marathon. he runs 20 miles every 4 days. write an equation to represent to the total number of miles he runs in x days.
Step-by-step explanation:
here, 4 days = 20 miles
so, 1 day = 5 miles
hence, x miles = 5x miles
250 cm
x cm
x cm
Not to scale
A solid metal bar is in the shape of a cuboid of length of 250 cm.
The cross-section is a square of side x cm.
The volume of the cuboid is 4840 cm³.
(a) Show that x = 4.4.
Answer: We know that the volume of a cuboid is given by the product of its length, width and height, or V = l * w * h. In this case, the length is 250 cm and the height and width are both x cm. So, the volume can be written as:
V = 250 * x * x
Substituting the given value of V = 4840 cm³, we get:
4840 = 250 * x * x
Dividing both sides by 250, we get:
19.36 = x * x
Taking the square root of both sides, we get:
x = ±√19.36
Since the side length of a square must be positive, we use the positive square root:
x = ±4.4 cm
Therefore, the side length of the square cross-section is 4.4 cm.
Step-by-step explanation:
If you help me with this your a hero:))) please help me
Answer:
x = -2, y = -4
Step-by-step explanation:
Take the first equation- -2y = 2 - 3x
Arrange it first-
-3x + 2y = -2
Multiply is by 5 on both sides
5(-3x + 2y) = 5(-2)
-15x + 10y = -10
Take the second equation- -5y = 10 - 5x
Arrange it-
-5x + 5y = -10
Multiply is by 2 on both sides
2(-5x + 5y) = 2(-10)
-10x + 10y = -20
Subtract second equation from the first one-
-15x + 10y = -10
- -10x + 10y = -20
= -5x = 10
-5x = 10
x = 10/(-5)
x = -2
Substitute the value of x in Equation 1
-2y = 2 - 3(-2)
-2y = 2 + 6
-2y = 8
y = 8/(-2)
y = -4
Hope it helps ;)
if you decide to use a 0.10 in place of a 0.05, with no other changes in the test, will the power increase or decrease? justify your answer.
If a 0.10 significance level is used in place of a 0.05 significance level, the power of the test will generally increase. As we are increasing the probability of rejecting the null hypothesis.
The significance level (alpha) of a hypothesis test determines the probability of making a Type I error, which is the probability of rejecting the null hypothesis when it is actually true. The power of a test, on the other hand, is the probability of correctly rejecting the null hypothesis when it is actually false (i.e., the probability of detecting a true effect).
By using a higher significance level (0.10 instead of 0.05), we are increasing the probability of rejecting the null hypothesis, which means we are more likely to detect a true effect. This results in an increase in the power of the test. However, it's worth noting that using a higher significance level also increases the risk of making a Type I error, which means we have to be careful when interpreting the results of the test.
In summary, increasing the significance level generally increases the power of the test, but it also increases the risk of making a Type I error
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Why greater than less than negative 2X squared +16 X -36
Answer:
Step-by-step explanation:
To determine whether a value is greater than or less than a specific result from an equation, you would need to substitute the value into the equation and solve for the result. For example, if you want to determine if the value "a" is greater than or less than the result of the equation -2x^2 + 16x - 36, you would substitute "a" for the variable x and solve for the result:
-2x^2 + 16x - 36 = -2a^2 + 16a - 36
Then you can compare the value of the result to "a" to determine whether it is greater than or less than.
If the result is greater than "a", you would write:
-2a^2 + 16a - 36 > a
If the result is less than "a", you would write:
-2a^2 + 16a - 36 < a
And if the result is equal to "a", you would write:
-2a^2 + 16a - 36 = a
It's important to note that the comparison only holds for a specific value of "a". The equation -2x^2 + 16x - 36 could have many solutions where the result is greater than, less than, or equal to "a".
Which choice best describes EB
radius
diameter
Line F
Point
The best describes EB is diameter of circle because it is a chord of circle which passes through the center.
What is a circle?A circle is a two-dimensional object made up of points that are spaced out from a given point (centre) on the plane by a fixed or constant distance (radius). The fixed point is referred to as the circle's origin or centre, and the fixed distance between each point and the origin is referred to as the radius.
The following components make up a circle:
Circumference: Also known as a circle's perimeter, circumference is the distance a circle travels around its circumference.
Radius: The radius is the distance a circle's center is from any point on its edge.
A diameter is a straight line that links two places on the circle's edge and passes through the center.
So that EB is describes as diameter of circle because it is a chord of circle which passes through the center.
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Use the drop-down menus to complete the statements
to match the information shown
by the graph.
Gold costs less than platinum per ounce because the slope of the graph for gold is less than that of the chart for platinum. The slope of the graph tells you the unit rate in dollars per ounce.
What is a slope?In Mathematics, a slope is sometimes referred to as rate of change and it is typically used to describe both the direction, ratio, and steepness of the function of a straight line based on its coordinates or points.
How to calculate the slope (rate of change)?Mathematically, the slope (rate of change) can be calculated by using this mathematical expression;
Rate of change (slope), m = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Rate of change (slope), m = (y₂ - y₁)/(x₂ - x₁)
By critically observing the graph of the weight of gold and platinum, we can reasonably infer and logically deduce that the slope (unit rate) of the graph for gold is less than the slope (unit rate) of the graph for platinum.
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Complete Question:
Use the drop-down menus to complete the statements to match the information shown by the graph.
A graph has weight (ounces) on the x-axis, and cost (dollars) on the y-axis. A line labeled gold starts at (0, 0) and has a positive slope. A line marked platinum starts at (0, 0) and has a greater positive slope than gold.
Gold costs ---------------- platinum per ounce because the ----------- of the graph for gold is -------------that of the chart for platinum. The --------of the graph tells you the unit rate in _____.
Vector A⃗ =ai^−bk^A→=ai^−bk^ and vector B⃗ =−cj^+dk^B→=−cj^+dk^.In terms of the positive scalar quantities aa, bb, cc, and dd, what is A⃗ ⋅B⃗ A→⋅B→?
The dot product of two vectors [tex]\vec{A}[/tex] and [tex]\vec{B}[/tex] in terms of the positive scalar quantities a, b, c, and d is:
[tex]\vec{A}.\vec{B}=-ab[/tex]
How to get the scalar product of two vectors?The scalar product of two vectors [tex]\vec{A}[/tex] and [tex]\vec{B}[/tex] is given by the formula:
[tex]\vec{A}.\vec{B}=(a_1*b_1) + (a_2*b_2) + (a_3*b_3)[/tex]
Where a₁, a₂, and a₃ are the components of vector [tex]\vec{A}[/tex] and b₁, b₂, and b₃ are the components of vector [tex]\vec{B}[/tex].
In this case, vector A = (ai - bk) and vector B = (- cj + dk), so the components of vector A are a₁ = a, a₂ = 0, and a₃ = -b, and the components of vector B are b₁ = 0, b₂ = -c, and b₃ = d.
Plugging these values into the formula for the dot product, we get:
[tex]\vec{A}.\vec{B}=(a*0) + (0*-c) + (-d*b)\\\\\vec{A}.\vec{B}= 0 + 0 + (-bd) \\\\\vec{A}.\vec{B}=-bd[/tex]
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) This afternoon Beth left school, rode the bus 1/2 of a mile, and then walked 1/12 of a mile to get home. How much farther did Beth ride than walk?
Using this formula, we find that d = 2/3, meaning Beth rode 2/3 of a mile farther than she walked. The formula to solve this problem is d = 1/2 - 1/12, where d is the difference in distance between the bus ride and the walk.
Beth rode the bus 1/2 of a mile and then walked 1/12 of a mile to get home. To calculate how much farther she rode than walked, we need to subtract the distance walked from the distance ridden. The formula to solve this problem is d = 1/2 - 1/12, where d is the difference in distance between the bus ride and the walk. Using this formula, we find that d = 2/3, meaning Beth rode 2/3 of a mile farther than she walked.
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There are 150 employees in a factory.(2/3)of the employees are males. Then, 20 male employees and 10 female employees are resigned. A employee is chosen at random from the remaining employees. Find the probability of choosing a female employee.
===================================================
Explanation:
2/3 of 150 = (2/3)*150 = 100 employees are male and 150-100 = 50 employees are female. This is before the resignations.
After the resignations happen, we would have:
100-20 = 80 males remain50-10 = 40 females remain80+40 = 120 employees remain.The chances of picking a female employee at random would be 40/120 = 1/3 which is the final answer.
Notice how the chances haven't changed from earlier (male = 2/3 chance, so 1-2/3 = 1/3 are the chances of picking a woman). Why is this? Well notice the ratio of 20 men to 10 women resigning. This ratio is 2:1, meaning twice as many men resigned. Furthermore, notice how 2/3 is twice that of 1/3.
This keeps the same proportion of men to women. Therefore, the odds haven't changed.
a student committee has 6 membersâ4 undergraduate and 2 graduate students. a subcommittee of 3 members is to be chosen randomly so that each possible combination of 3 of the 6 students is equally likely to be selected. what is the probability that there will be no graduate students on the subcommittee?
The probability of choosing a subcommittee of 3 members with no graduate students is 0.2, or 20%.
The number of possible subcommittees that contain only undergraduate students can be calculated by choosing 3 members from the 4 undergraduate students. This can be done in (4 choose 3) = 4 ways.
The total number of possible subcommittees of three students that can be formed from the 6 members of the committee can be calculated by choosing 3 members from the 6 students. This can be done in (6 choose 3) = 20 ways.
Therefore, the probability that there will be no graduate students on the subcommittee is:
Number of subcommittees with only undergraduate students / Total number of possible subcommittees
= 4 / 20
= 1/5
= 0.2
So, the probability of choosing a subcommittee of 3 members with no graduate students is 0.2, or 20%.
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pls im not understanding anything and its a test
Mai spent $9 on fruit at the grocery store. She spent a total of $15 at the store. What percentage of the total did she spend on fruit?
Answer:
Mai spent 60% of her total spending on fruit
Step-by-step explanation:
To find the percentage of the total spent on fruit, we can divide the amount spent on fruit by the total amount paid and multiply by 100 to express the answer as a percentage.
First, let's find the amount spent on things other than fruit: $15 total spent - $9 spent on fruit = $6 spent on other things.
Next, we divide the amount spent on fruit by the total amount spent: $9 on fruit / $15 total spent = 0.6.
Finally, we multiply by 100 to express the answer as a percentage: 0.6 * 100 = 60%.
So Mai spent 60% of her total spending on fruit.
Which expressions have a constant? Select two answers.
A. 3x²
B. 2x - 4
C. 8x + y
D. 5y
E. 7+4x
Step-by-step explanation:
The constant in an expression is the number without any letters attached to it.
Looks like B and E are the only ones with constant. The other 3 only have numbers attached to numbers
c. 3x - y = 7
y = 3x - 2
Answer:
Step-by-step explanation:
3x- (3x-2)=7
- (3x-2) = -3x+2
3x-3x=0x
so the answer is zero or imposible becasue nothing can be times by zero
how many vertices and edges dose this shape have?
Vertices :
Edges:
Step-by-step explanation: A vertex is a corner on shape. And edge is a line segment between faces. A face is singular flat surface.
Solve the equation.
7x2 + 5 - x = 6x2 + 10
Factor the polynomial by factoring out the greatest common factor, 7x2 + 5 - x = 6x2 + 10
x = -5
Soultion:
→ 7 × 2 + 5 - x = 6 × 2 + 10
Multiply.
→ 14 + 5 - x = 12 + 10.
Combine like terms.
→ 19 - x = 24
Isolate x (I'm going to add x and subtract 24 from both sides to avoid changing signs)
Answer
→ = x = -5
What do a the answer to x+30=4x+9
find x or x= blank
Answer:
Step-by-step explanation:
4x + 9 = x + 30
3x + 9 = 30
3x = 21
x = 7
how many uniforms can you make
Answer:
39
Step-by-step explanation:
165 and 3/4 is equal to 165.75 and 4 and 1/4 is 4.25
165.75/4.25=39
39 uniforms could be made