Answer:
NO
Step-by-step explanation:
it is not possible for a cylinder to have a surface area greater than 100 cm² and a volume less than 100 cm³. The surface area of a cylinder is given by the formula 2πr² + 2πrh, where r is the radius of the base and h is the height of the cylinder. A cylinder with a surface area greater than 100 cm² would have to have a relatively large radius and/or height.
On the other hand, the volume of a cylinder is given by the formula πr²h. Even if the radius is small and the height is big, the product of both will be bigger than 100 cm³. Therefore, it is not possible for a cylinder to have a surface area greater than 100 cm² and a volume less than 100 cm³.
A bag contain one blue marble and even green marble. What i the probability of picking a blue or green marble?
Choose the solution to the system shown in the table of values.
5)
LINE 1
-2
-1
0
1
2
-1
1
3
5
7
LINE 2
A. (5,5)
B. (0,5)
C. (5,0)
D. (0,7)
1
3
5
7
9
6
4
2
0
-2
3 -2
-1
y-axis
8-
7-
5-
4
3-
2
1
-
-2
2
3
X-ROS
The solution to the system in given tables of line 1 and line 2, using linear equation is (b) (0,5)
What is linear equation?A linear equation is one that has a degree of 1 as its maximum value. No variable in a linear equation, thus, has an exponent greater than 1. A linear equation's graph will always be a straight line.
from the table of line 1, the equation of line is
y = 2x +5.
from the table of line 2, the equation of line is
y = 5 - x
to find the solution of the system, we compare both of the equation, we get
2x + 5 = 5 - x
add x from both side, we get
3x + 5 = 5
subtract 5 from both side, we get
3x = 0
So that, x = 0
putting the value of x in the equation of line 2
y = 5 - x
y = 5 - 0
y = 5
The solution to the system in given tables of line 1 and line 2 is (0,5)
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Please answer a and b its urgent
Answer: 1200 mm/s
Step-by-step explanation:
Step 1: As for point B, each small case represent 2mm/s. So, when A is 3 mm/s, B is 12 mm/s
Step 2: Assuming point A: x, Point B: y and y= k, x through (0,0) and (3,12)
So, 12=3k=k=4
so, y=4x
then, x=300 and y = 4×300
which is 1200 mm/s
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1. last year, justin and his sister, karin, earned a
total of $468 in allowance. if justin earned $52
more than karin in allowance, write a system of
equations that represents their allowances.
Answer:
j+k=468
j=52 + j
are the correct equations
The answer and explanation
The requried value of 'a' in the given expression is a = -12.
What is simplification?The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
here,
8⁻⁵⁵ / 8ᵃ = 8⁻⁴³
8ᵃ = 8⁻⁵⁵ / 8⁻⁴³
8ᵃ = 8 ⁻⁵⁵ ⁺ ⁴³
8ᵃ = 8⁻¹²
Taking logs on both sides
a ln 8 = -12 ln 8 [lnbˣ = x lnb]
a = -12
Thus, the requried value of 'a' in the given expression is a = -12.
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Find the length of AG
Answer:
58.27 mm (2 d.p.)
Step-by-step explanation:
Assuming the given prism is a rectangular prism, triangles ADC and ACG are right triangles.
[tex]\boxed{\begin{minipage}{9 cm}\underline{Cos trigonometric ratio} \\\\$\sf \cos(\theta)=\dfrac{A}{H}$\\\\where:\\ \phantom{ww}$\bullet$ $\theta$ is the angle. \\ \phantom{ww}$\bullet$ $\sf A$ is the side adjacent the angle. \\\phantom{ww}$\bullet$ $\sf H$ is the hypotenuse (the side opposite the right angle). \\\end{minipage}}[/tex]
AC is the hypotenuse of right triangle ADC.
Therefore, we can use the cos trigonometric ratio to create an expression for the length of AC:
[tex]\implies \cos\left(36^{\circ}\right)=\dfrac{AD}{AC}[/tex]
[tex]\implies \cos\left(36^{\circ}\right)=\dfrac{42}{AC}[/tex]
[tex]\implies AC=\dfrac{42}{\cos\left(36^{\circ}\right)}[/tex]
AC is the hypotenuse of right triangle ACG.
Therefore, we can use the cos trigonometric ratio to create an expression for the length of AG:
[tex]\implies \cos\left(27^{\circ}\right)=\dfrac{AC}{AG}[/tex]
[tex]\implies AG=\dfrac{AC}{\cos\left(27^{\circ}\right)}[/tex]
To find the length of AG, substitute the found expression for AC into the expression for AG:
[tex]\implies AG=\dfrac{\frac{42}{\cos\left(36^{\circ}\right)}}{\cos\left(27^{\circ}\right)}[/tex]
[tex]\implies AG=\dfrac{42}{\cos\left(36^{\circ}\right)} \times \dfrac{1}{\cos\left(27^{\circ}\right)}[/tex]
[tex]\implies AG=\dfrac{42}{\cos\left(36^{\circ}\right)\cos\left(27^{\circ}\right)}[/tex]
[tex]\implies AG=58.2654039...[/tex]
[tex]\implies AG=58.27\;\sf mm \;(2\;d.p.)[/tex]
Find a vector equation and parametric equations for the line. (Use the parameter t.) The line through the point (0, 15, −9) and parallel to the line x = −1 + 4t, y = 6 − 2t, z = 3 + 9t. r(t) = . (x(t), y(t), z(t)) = .
A vector theory and descriptive coefficients for the line are provided by the statement: r(t) = 0,15,-9> +t4,-2,9>.
What is a class 12 vector?There are different quantities, which include direction and magnitude. If the quantity has both magnitude and direction, it is said to be a vector. These are referred to as vector quantities. Examples include displacement, speed, acceleration, energy, weight, impetus, and electric intensity. Consequently, the vector quantity is and the SI unit for it is m/s².
The given line is-
x = -1+4t, y = 6-2t, z = 3+9t
That is,
r(t) = <-1+4t, 6-2t, 3+9t> = < -1,6,3> +t<4, -2,9>
The line concurrent to the given line's direction vector is
u = <4,-2,9>
Equation for line going through point (x0,y0,z0) and has direction vector u is line passing through point (0,15,-9)
r(t) = < x0, y0,z0> +tu
That is
r(t) = <0,15, -9> +t<4,-2,9>
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Given:AD,CB,and MD~MB
Prove:Am=Cm
Help pls!
Answer:
ΔMDA ≅ ΔMBC by ASA
Step-by-step explanation:
Congruent triangles:∠DMA ≅ ∠BMC
MD ≅ MB
∠MDA ≅ ∠MBC
Two angles are congruent and the sides in between the congruent angles are equal. So, the two triangles are congruent by Angle Side Angle congruency.
a small computing center has found that the number of jobs submitted per day to its computers has a distribution that is approximately mound-shaped and symmetric, with a mean of 84 jobs and a standard deviation of 9. where do we expect approximately 95% of the distribution to fall?
Our confidence interval is (66, 102).
In statistics, a confidence interval describes the likelihood that a population parameter would fall between a set of values for a given percentage of the time. Confidence ranges that include 95% or 99% of anticipated observations are frequently used by analysts. Therefore, it can be concluded that there is a 95% probability that the true value falls within that range if a point estimate of 10.00 is produced using a statistical model with a 95% confidence interval of 9.50 - 10.50.
Now, here:
Mean, μ = 84
Standard deviation, σ = 9
It is a 95% confidence interval. We know that, within 2 standard deviations of the mean lies 95% of the population. Hence, z = 2.
Now, calculating μ - z.σ and μ + z.σ to find the intervals.
μ - z.σ = 84 - 2x9 = 66
μ + z.σ = 84 + 2x9 = 102
Thus, our confidence interval is (66, 102).
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Pham burgers has beginning net fixed assets of $684,218, ending net fixed assets of $679,426, and depreciation expense of $48,859. What is the net capital spending for the year if the tax rate is 21 percent?.
If Pham burgers has beginning net fixed assets of $684218 , ending net fixed assets of $679426 and depreciation expense of $48859 , then the net capital spending for the year is $44067 .
For the Pham burgers , the Beginning Net Fixed Assets is = $684218 ;
the ending net fixed assets for Pham burgers is = $679426 ;
the depreciation expense for Pham burgers is = $48859 ;
the tax rate is 21% , which is not relevant for this question ;
The Net capital Spending for the year can be calculated using the formula :
[tex](Ending \; Net \; Fixed \;Assets - Beginning \; Net\; Fixed \; Assets) + Depreciation[/tex] ;
substituting the required values ,
we get ;
Net Capital Spending for year is = ($679426 - $684218) + $48859 ;
On simplifying ,
we get ;
= $44067 .
Therefore , the Net Capital Spending for the year is $44067 .
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A scale model of a house uses a scale 14
inch = 3 feet. If the model is 4.25
inches tall, what is the actual height of the
house?
The actual height of the house is 0.910 feet.
What is Scale factor?When both the original dimensions and the new dimensions are known, the scale factor may be determined. When employing the scale factor, there are two terms that must be understood. When a figure's size is increased, we refer to this as scaling up, and when its size is decreased, we refer to this as scaling down.
Given:
Scale : 14 inch = 3 feet
So, 1 inch is represented by
= 3/14
So, 4.25 inch represented as
= 3/14 x 4.25
= 0.910 feet
Hence, the actual height is 0.910 feet.
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X is the midpoint of UV, Y is the midpoint of UW, and T is the midpoint of VW. If mZU= 56° and mZV=41°, find mZTYW.
Answer: We know that T is the midpoint of VW, which means that ZW = ZV. So we can say that ZV = ZW = 41°.
Also, we know that Y is the midpoint of UW, so the angle ZYU is half of ZUW. So we can say that ZYU = ZUW/2.
We know that X is the midpoint of UV, so the angle ZXU is half of ZUV. So we can say that ZXU = ZUV/2.
Since Y is the midpoint of UW, ZYU + ZXU = ZUW/2 + ZUV/2 = ZUW/2 + (ZUW - ZXU)/2 = ZUW/2 + (ZUW - ZUV/2)/2 = ZUW/2 + (ZUW - ZUW/2)/2 = ZUW/2 + ZUW/4 = (3/4)ZUW
We know that X is the midpoint of UV, so ZXU + ZVU = ZUV/2 + ZUV = ZUV
The angle ZTYW is supplementary to the angle ZXU + ZVU + ZYU so mZTYW = 180 - ( ZXU + ZVU + ZYU)
Therefore, mZTYW = 180 - ( ZUV + (3/4)ZUW + 41)
mZTYW = 180 - (56 + (3/4)56 + 41) = 180 - (56 + 42 + 41) = 180 - 139 = 41 degrees
Step-by-step explanation:
How to find the height of a triangle using Pythagorean Theorem?
Answer:
Step-by-step explanation:
We can find height of triangle by using pythagoras theorem
By theorem (hypotenuse)^2 = (perpendicular or height)^2 + (base)^2
=> Height of triangle = sqrt{(hypotenuse)^{2} - (base)^{2}
Find the sum of 5.2 c -7 and -3.9c + 8.5 what is the sum
Answer:
1.3 * c + 1.5
Step-by-step explanation:
(5.2c-7) + (-3.9c + 8.5)
5.2 * c - 7 - 3.9 * c + 8.5
1. add constants ( - 7 and 8.5)
5.2 * c - 3.9 * c + 1.5
2. add both of the coefficients of c
when a variable is multiplied by a coefficient, we can add another coefficient * variable combination if the variable is the same. for example, 1 * x + 2 * x = 3 * x by adding the 1 and 2 together
similarly, 5.2 * c - 3.9 * c = (5.2 - 3.9) * c = 1.3 * c
1.3 * c + 1.5
(02.04 HC)
Two functions are given below: f(x) and h(x). State the axis of symmetry for each function and explain how to find it.
f(x)
f(x) = -2(x-4)2 +2
X
-4-3-2
h(x)
Ñ
For [tex]f(x)[/tex], the axis of symmetry is the vertical line passing through the vertex. Matching with vertex form, we see the vertex of the graph of [tex]f(x)[/tex] has coordinates [tex](4,2)[/tex]. Thus, the axis of symmetry has equation [tex]x=4[/tex].
Similarly, for [tex]h(x)[/tex], the axis of symmetry is the vertical line passing through the vertex. The vertex of the graph of a quadratic function is either the minimum or maximum point (it depends on the leading coefficient of the function). Here, there is a maximum point, which has coordinates [tex](-2,2)[/tex]. Thus, the axis of symmetry has equation [tex]x=-2[/tex].
Identify a quadratic function that fits the points (−3, −7),(0, −4), and (2, −12).
By solving a system of equations we will see that the quadratic equation is:
y = 3*x^2 - 10*x - 4
Which system of equations has the given points?We know that a general quadratic function can be written as:
y = a*x^2 + b*x + c
Here we know that the equation passes through (0, -4), replacing these values:
-4 = a*0^2 + b*0 + c
-4 = c
Then the quadratic equation is:
y = a*x^2 + b*x - 4
Now we can use the other two points (-3, -7) and (2, -12), replacing these values we will get a system of equations:
-7 = a*(-3)^2 + b*(-3) - 4
-12 = a*(2)^2 + b*(2) - 4
We can simplify these equations to get:
-3 = 9a + 3b
-8 = 4a + 2b
We can isolate b on the second equation to get:
2b + 4a = -8
2b = -8 - 4a
b = (-8 - 4a)/2
b = -4 - 2a
Now we can replace that in the other equation to get:
-3 = 9a + 3*(-4 - 2a)
-3 = 9a -12 - 6a
-3 + 12 = 3a
9 = 3a
9/3 = a
3 = a
And the value of b is:
b = -4 - 2a
b = -4 - 2*3
b = -4 - 6 = -10
Then the quadratic equation is:
y = 3*x^2 - 10*x - 4
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there is a linear relationship between the number of chirps made by the striped ground cricket and the air temperature. a least-squares fit of some data collected by a biologist gives fahrenheit. what is the predicted increase in temperature for the model , where x is the number of chirps per minute and is the estimated temperature in d
The increase in the temperature for an increase of 5 chirps per minute is 41.7 Fahrenheit.
What is Linear relationship?
A Linear relationship, describes a straight-line relationship between two variables.
Given that, There is a linear relationship between the number of chirps made by the striped ground cricket and the air temperature. A biologist gives the model = 25.2 + 3.3x, where x is the number of chirps per minute.
there is a linear relationship between the number of chirps made by the striped ground cricket and the air temperature. a least-squares fit of some data collected
Here x = 5, putting it in the given model,
Temperature = 25.2 + 3.3 (5) = 41.7 F
Hence, the required prediction of increase in temperature is 41.7 F
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the sum of twice a number, x, and 6 is equal to 4 more than the number, x. what is the vaule of x.
Answer:
2x+6=x+4
2x-x = 4-6
x= -2
Answer:
x=-2
Step-by-step explanation:
cuz , if u added them together the sum would be -2+6=4 , is that ur question? or I've answered smth that has nothing to do?
What type of triangle has side lengths of 6cm 8cm and 10 cm?
A triangle with the given side lengths 6cm , 8cm , and 10cm represents a scalene right angled triangle.
As given in the question,
For the given triangle,
Side lengths of the given triangle is equal to :
6cm , 8cm , and 10cm
Longest side length of the given triangle is equal to 10cm.
Apply Pythagoras theorem to check whether the given triangle is right angled triangle or not.
( longest side ) ² = ( side 1)² + ( Side 2)²
Hypotenuse = longest side
Side 1 = base
Side 2 = Altitude
In the given triangle,
10²
= 100
= 36 + 64
= 6² + 8²
which satisfies the condition of Pythagoras triplets.
All the sides are of different measure so it is a scalene triangle.
Therefore, a triangle with given side lengths is a scalene right angles triangle.
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A simple random sample of 40 items resulted in a sample mean of 25. The population standard deviation is 5.a. What is the standard error of the mean? round answer to 2 decimal place.b. At 95% confidence, what is the margin of error? round answer to 2 decimal place
The standard error of the mean 0.79
The margin of error 1.55
The standard error of the mean is one of the components of the margin of error.
The margin of error is the multiplication of standard error of the mean and critical value. Margin of error is denoted by E
sample size, n= 40,
Sample mean, = 25 and
population standard deviation, [tex]\alpha[/tex]= 5
[tex]SE_{x}[/tex]
The standard error of the mean, [tex]SE_{x}[/tex]
[tex]SE_{x}[/tex] = [tex]\alpha[/tex]/√n
[tex]SE_{x}[/tex] = 5/√40
[tex]SE_{x}[/tex] = 5/6.3246
[tex]SE_{x}[/tex] = 0.79
We have to find the critical value
[tex]\alpha[/tex]/2 = 0.05/2 = 0.025 is ± 1.96
The margin of error, E
E = [tex]Z_{\alpha /2 }[/tex] * [tex]SE_{x}[/tex]
E= 1.96×0.79
E= 1.55
The standard error of the mean 0.79
The margin of error 1.55
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–10.9p + 3.9 = –9.18
Answer:
Step-by-step explanation:
-10.9p + 3.9
-10.9p turns positive.
The (p) is isolated.
10.9 - 3.9= 9.18 = -9.18
Answer
-9.18
Find the value of (x − 6)² if x² – 12x = 30, and x > 0.
plsss answer
Answer:
65.9
Step-by-step explanation:
The equation x² – 12x = 30 (x>0) promises that we can determine possible values of x if we solve the equation. So let's start there:
We can factor the equation or solve it with the quadratic equation.
Factor
x² – 12x = 30
x² – 12x - 30 = 0
I don't see an easy factor solution. One possibility is to first rewrite the equation as
(x-12)x-30 = 0
(x-6)^2 - 66 = 0
-(-x+[tex]\sqrt66}[/tex]+6)(x+[tex]\sqrt{66}[/tex]-6)
The roots are:
x = 6-[tex]\sqrt{66}[/tex] and
x = 6+[tex]\sqrt{66}[/tex]
Since x>0, only the second root is valid: x = 6+[tex]\sqrt{66}[/tex]
x = 6 + (8.12)
x = 14.12
[That was painful]
Quadratic Equation
Solving with the quadratic equation gives values of:
14.12, and -2.12 Again, only the positive value is valid: 14.12
[The quadratic approach was far easier than factoring, in this case]
==
Since we established x = 14.12, (x − 6)² bcomes:
(14.12 − 6)²
(8.12)² = 65.9
Pls help almost due
Answer:
y = -0.5x + 5.5
Step-by-step explanation:
A linear function can be represented in the form of y = mx + b, where m is the slope and b is the y-intercept. The slope of a line is the ratio of the change in y to the change in x (rise over run) and the y-intercept is the point where the line crosses the y-axis.
To find the rule for this linear function, we can use the two points (x1, y1) and (x2, y2) to find the slope m:
m = (y2 - y1) / (x2 - x1)
If we use the points (7, 2) and (5, 3) to find the slope, we have:
m = (3 - 2) / (5 - 7) = 1 / (-2) = -0.5
We can also use the point (x1, y1) to find the y-intercept b:
b = y1 - m * x1
If we use the point (7, 2) to find the y-intercept, we have:
b = 2 - (-0.5) * 7 = 2 + 3.5 = 5.5
So the rule for the linear function is:
y = -0.5x + 5.5
We can confirm this rule by checking the point (x=-1,y=6)
y = -0.5(-1) + 5.5 = 6
What are formula questions?
Formula questions are those questions which require an answer that is numerical in value, including a specific value or a set of values.
These questions require you to apply certain mathematical formulas and use numeric data to come up with solutions. It will contain random numerical data that will be changed and the student has to find a solution for the same. Any numeric value can be modified and hence, the answer is not fixed. There can be different answers depending on the set of numbers presented in the formula question. The answer can be found by using the necessary formulas that exist.
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None of the answers I got is an answer choice
Answer:
N/A
Step-by-step explanation:
1. subtract 3 from both sides to isolate the square root and its coefficient
5√(5-x) = - 10
2. divide both sides by 5 to isolate the square root
√(5-x) = -2
this means that the square root of something would be negative, which is not possible
How do you determine a value in a ratio when the difference between two amounts is given?
To determine the value in a ratio when the difference between two amounts is given, divide the difference by the ratio. For example, if the ratio is 3:2 and the difference between the two amounts is 12, then the value of the first amount is 18 (12/3 = 4 x 3 = 18). The value of the second amount is 12 (18 - 12 = 6 x 2 = 12).
1. Identify the ratio given in the problem.
2. Identify the difference between the two amounts.
3. Divide the difference by the ratio to determine the value of the first amount.
4. Subtract the difference from the first amount to determine the value of the second amount.
To determine the value in a ratio when the difference between two amounts is given, divide the difference by the ratio. For example, if the ratio is 3:2 and the difference between the two amounts is 12, then the value of the first amount is 18 (12/3 = 4 x 3 = 18). The value of the second amount is 12 (18 - 12 = 6 x 2 = 12).
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simplify log10^8-log10^4
The simplified form of the expression given is 4.
What are Expressions?Expressions are mathematical statements which consist of two or more terms and terms are connected to each other using mathematical operators like addition, multiplication, subtraction and so on.
Given is a logarithmic expression.
㏒ 10⁸ - ㏒ 10⁴
We have a rule for logarithms ㏒ aᵇ = b ㏒ a
So the expression becomes,
㏒ 10⁸ - ㏒ 10⁴ = 8 ㏒ (10) - 4 ㏒ (10)
The value of log 10 is 1.
㏒ 10⁸ - ㏒ 10⁴ = 8 - 4 = 4
Hence the expression can be simplified to 4.
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What is the range of slope?
Annual Salary: $24,872; personal exemptions: $1,500.
This person is paid semimonthly.
Use the following graduated income tax rates and find the income tax withheld per pay
period.
First $10,000 is 2.75%
Next $15,000 is 3.25%
If Annual Salary: $24,872; personal exemptions: $1,500. the income tax withheld per pay is: $29.57 per pay period.
How to find the income tax withheld per day?Total taxable income = $24,872 - $1,500
Total taxable income = $23,372
The first $10,000 is taxed at a rate of 2.75%. The tax owed on the first $10,000 is:
$10,000 * 0.0275
= $275.
The remaining $13,372 ($23,372 - $10,000) is taxed at a rate of 3.25%, so the tax owed on this amount is:
$13,372 * 0.0325
= $434.57
The total tax owed is:
$275 + $434.57
= $709.57
Since the person is paid semimonthly, we divide the annual tax owed by 24 to find the tax withheld per pay period:
$709.57 / 24
= $29.57 per pay period
Therefore the income tax withheld per pay is: $29.57 per pay period.
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Solve each equation by completing the square
X2+6x+8=0
Answer:
x = - 2 and x = - 4---------------------------------
Given equation:
x² + 6x + 8 = 0Recall the identity for a square of a sum:
(a + b)² = a² + 2ab + b²Complete the square by adding the missing part:
x² + 6x + 8 = 0x² + 2*3*x + 8 = 0 Missing part is 3² x² + 2*3*x + 3² + 8 = 3² Add 3² to both sides(x + 3)² + 8 = 9 Subtract 8 from both sides(x + 3)² = 1 Square root both sidesx + 3 = ± 1x = - 3 + 1 and x = -3 - 1 Add -3 to both sidesx = - 2 and x = - 4 SolutionAnswer:
x = -2, x = -4
Step-by-step explanation:
Given quadratic equation:
[tex]x^2+6x+8=0[/tex]
Solve by the method of Completing the Square.
Step 1
When completing the square for a quadratic equation in the form ax²+bx+c=0, the first step is to move the constant to the right side of the equation:
[tex]\implies x^2+6x=-8[/tex]
Step 2
Add the square of half the coefficient of the term in x to both sides to form a perfect square trinomial on the left side:
[tex]\implies x^2+6x+\left(\dfrac{6}{2}\right)^2=-8+\left(\dfrac{6}{2}\right)^2[/tex]
Simplify:
[tex]\implies x^2+6x+3^2=-8+3^2[/tex]
[tex]\implies x^2+6x+9=-8+9[/tex]
[tex]\implies x^2+6x+9=1[/tex]
Step 3
Factor the perfect square trinomial on the left side:
[tex]\implies (x+3)^2=1[/tex]
Step 4
Square root both sides:
[tex]\implies \sqrt{(x+3)^2}=\sqrt{1}[/tex]
[tex]\implies x+3=\pm1[/tex]
Step 5
Subtract 3 from both sides:
[tex]\implies x+3-3=\pm1-3[/tex]
[tex]\implies x=-4, -2[/tex]
SolutionsTherefore, the solutions of the given quadratic equation are:
[tex]x=-4, \;\; x=-2[/tex]
Learn more about completing the square here:
https://brainly.com/question/27933930
