Answer:
Since the discriminant is greater than zero, the quadratic equation has two real roots
Step-by-step explanation:
Answer:
2 real roots
Step-by-step explanation:
Sam paid $55 for an hour of tutoring on Mondays and $95 for two hours on Tuesday. The hourly rate is $ per hour.The initial fee is $ .
To find the hourly rate, we can subtract the cost of two hours by the cost of one hour:
\(m=95-55=40\)So the hourly rate is $40.
Then, to find the initial fee, we subtract the cost of one hour by the hourly rate:
\(b=55-40=15\)So the initial fee is $15.
Solve for w. -7 / 2w-10 + 4 = 4 / w-5 If there is more than one solution, separate them with commas. If there is no solution, click on "No solution".
First, we need to find a common denominator for all the fractions. This means finding the least common multiple of 2w−10 and w−5. Once we have a common denominator, we can add the fractions.
We can then solve for w by multiplying both sides of the equation by the common denominator and simplifying.
-7 / 2w-10 + 4 = 4 / w-5
The least common multiple of 2w−10 and w−5 is 2w−10. So, we can rewrite the equation as:
-7 / (2w-10) + 4(2w-10) / (2w-10)(w-5) = 4 / (w-5)
Now, we can add the fractions:
-7 + 8w-40 = 4
Simplifying, we get:
8w-47 = 4
Adding 47 to both sides, we get:
8w = 51
Dividing both sides by 8, we get:
w = \boxed{\frac{51}{8}}
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Can someone please help me answer this question asap thank you
Without a link thank you .
Answer:
-1.4, -.7 .003, 3%(.03), .3, .66(2/3) .85 (7/8) 0.875, 100/50 (2)
Step-by-step explanation:
Match the terms to their definition.
1. factor
able to be divided evenly, without a remainder
2. greatest common factor
the line between the numerator and denominator of a fraction
3. denominator
a fraction in which the numerator is larger than or equal to the denominator
4. fraction bar
fractions with the same numerical value; fractions that are equal to each other
5. improper fraction
a number that has more factors than just 1 and itself
6. divisible
a number that divides evenly into another number
7. composite number
an organized way of finding the prime factorization of a number
8. fraction
a number that shows part of a whole
9. equivalent fractions
the largest factor that any given numbers have in common
10. factor tree
the number under the fraction bar; tells how many equal parts the whole was broken into
if 15 out of the 200 patients admitted to a hospital remain longer than a week, how many of the 2800 admissions in a given year were relaeased within one week
Answer:
15 × 14 = 210 of the 2,800 admitted patients remained longer than a week, so 2,800 - 210 = 2,590 of those patients were released within one week.
problem 4: a wire carrying a 42.5 a current passes between the poles of a strong magnet so that it is perpendicular to the field and experiences a 2.17 n force on the 3.5 cm of wire in the field.
The average field strength in current carrying wire placed between the poles of a strong magnetic field is 1.46 T.
The formula to be used for calculation is -
B = F/(I×L×Sin theta), where B is magnetic field density, F is force, I is current and l is length.
Keep the values in formula -
Converting length to m. 1 m is 100 cm.
3.5 cm = 0.035 m
B = 2.17 / (42.5 × 0.035 × sin 90)
Performing multiplication on Right Hand Side of the equation
B = 2.17 / 1.49
Performing division on Right Hand Side of the equation
B = 1.46 T
Hence, the magnetic field is 1.46 T.
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The complete question is -
A wire carrying a 30.0-A current passes between the poles of a strong magnet that is perpendicular to its field and experiences a 2.16-N force on the 4.00 cm of wire in the field. What is the average field strength
Little help, please?
Read the following quote from Mark Twain: "It should, it seems to me, be our pleasure and duty to make those
people free, and let them deal with their own domestic questions in their own way. And so I am an anti-imperialist. I
am opposed to having the eagle put its talons on any other land."
In a short paragraph, reflect on how this quote represents the anti-imperialists' point of view. What is the impact of
Twain's use of the metaphor of the eagle and its talon? Type your response in the box below.
Answer:
Mark Twain expresses the views of many anti-imperialists by stating that US intervention should be limited to helping other countries gain their freedom and then letting them run their countries their own way. He did not believe that the US should remain in foreign territories, imposing American policies. This is reflected in the metaphor of the eagle and the talon. The symbol of the United States has long been the bald eagle, a majestic predator. Eagles use their talons to capture and kill prey. This imagery fits with the anti-imperialists’ objections to violent overseas wars and forcible colonization.
edmentum
Answer:
Mark Twain expresses the views of many anti-imperialists by stating that US intervention should be limited to helping other countries gain their freedom and then letting them run their countries their own way. He did not believe that the US should remain in foreign territories, imposing American policies. This is reflected in the metaphor of the eagle and the talon. The symbol of the United States has long been the bald eagle, a majestic predator. Eagles use their talons to capture and kill prey. This imagery fits with the anti-imperialists’ objections to violent overseas wars and forcible colonization.
Step-by-step explanation:
what is the opposite of -89?
Answer:
89
Step-by-step explanation:
please help brainliest if correct and best explanation
Answer: 120
Step-by-step explanation:
first you distribute 5 to 11 and -17 to get (55 - 85) then you distribute 6 to 14 and -7 to now get (55-85) + (84-42) then you distribute -12 to 2 and 7 to now have (55-85) + (84-42) - ( -24 + -84) to get 120 you multiple when you distruibute for these cause its outside the parenthesis so you multiply the number by everything in the parenthesis
Slove
A. 115°
B. 58°
C. 50°
D. 226°
Answer:
C
Step-by-step explanation:
The angle is total is 138 degrees. Part of the entire angle is already given (the 88 degree measure), so all you have to do is subtract 88 from 138, which is 50.
if A squared plus B squared = C squared, what would it be if you timesd it by 2 waht would u get?
aahan has a job that guarantees him the same fixed salary increase every year. after 4 years, he makes $56,785; after 9 years, he makes $60,210. what is the equation of the line that would graph his salary over time?
The equation of line that would graph his salary over time will be;
⇒ y = 1/685x - 38.89
What is Equation of line?The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
After 4 years, he makes $56,785; after 9 years, he makes $60,210.
Now,
Since, After 4 years, he makes $56,785; after 9 years, he makes $60,210.
Hence, The equation of line passes through the points (56,785, 4) and
(60,210, 9).
So, We need to find the slope of the line.
Hence, Slope of the line is,
m = (y₂ - y₁) / (x₂ - x₁)
m = (9 - 4) / (60210 - 56785)
m = 5 / 3425
m = 1/685
Thus, The equation of line with slope 1/685 is,
⇒ y - 4 = 1/685 (x - 56,785)
⇒ y - 4 = 1/685x - 42.89
⇒ y = 1/685x - 42.89 + 4
⇒ y = 1/685x - 38.89
Therefore, The equation of line that would graph his salary over time will be;
⇒ y = 1/685x - 38.89
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You finally get an allowance! You put $2.00 away in January, $4.00 away in February, $8.00 away in March, $16.00 away in April and followed this savings pattern through to December. How much money do you have in 12 months? *
Answer:
$8190
Step-by-step explanation:
So we know that were putting away $2 each month from our allowance.
Jan-$2
Feb-$4
March-$8
April-$16
Ok so we already put away 4 months of our allowance from 12. So we need 8 more months to count how much.
So lets add: 2 + 4 + 8 + 16=30
Now we need to figure out how much in May and so on.
May- 16x2=32
June-32x2=64
July-64x2=128
August-128 x 2=256
September-256 x 2=512
October-512 x 2=1024
November-1024 x 2=2048
December-2048 x 2=4096
In total to add:
2 + 4 + 8 + 16 + 32 +64 + 128 + 256 + 512 + 1024 + 2048 + 4096 = 8190
Hope this helps :)
how to find the quotient and remainder of a polynomial
The polynomial 2x^3 - 4x^2 + 3x - 7 has the remainder is -1, and the quotient is 2x^2 + 3.
To find the quotient and remainder of a polynomial, follow these steps:
Arrange the polynomials in descending order of degrees.
Divide the term with the highest degree of the dividend polynomial by the term with the highest degree of the divisor polynomial. This will be the first term of the quotient.
Multiply the divisor polynomial by the first term of the quotient and subtract the result from the dividend polynomial.
Bring down the next term from the dividend polynomial.
Repeat steps 2 to 4 until all the terms of the dividend polynomial are exhausted or the degree of the remaining polynomial is lower than the degree of the divisor polynomial.
The resulting polynomial after the division process is complete is the remainder.
The terms obtained during the division process form the quotient polynomial.
For example, let's divide the polynomial 2x^3 - 4x^2 + 3x - 7 by the polynomial x - 2.
The term with the highest degree in the dividend polynomial is 2x^3, and the term with the highest degree in the divisor polynomial is x.
Dividing 2x^3 by x gives 2x^2, which is the first term of the quotient.
Multiply (x - 2) by 2x^2, giving 2x^3 - 4x^2.
Subtracting 2x^3 - 4x^2 from the dividend polynomial gives 3x - 7.
Bring down the next term, which is 3x.
Dividing 3x by x gives 3, which is the next term of the quotient.
Multiply (x - 2) by 3, giving 3x - 6.
Subtracting 3x - 6 from the remaining polynomial gives -7 + 6 = -1.
Since the degree of -1 is lower than the degree of x - 2, the division process is complete.
The remainder is -1, and the quotient is 2x^2 + 3.
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A square tile mesures 20 cm by 20cm a rectangular tile is 3 cm longer and 2 cm narrower. What is the different in area between the two tiles?
Answer:
Rectangular tile has 14 cm² larger area-----------------
Find each area and then find their difference.
A(square) = 20² = 400 cm²A(rectangle) = (20 + 3)(20 - 2) = 23*18 = 414 cm²The difference is:
414 - 400 = 14 cm²hich of the following characteristics of stars has the greatest range in values? A) mass. B) radius. C) core temperature. D) surface temperature.
Of the mentioned characteristics, that with the greatest range of values is Mass.
The mass of a star can range from about 0.08 solar masses to over 100 solar masses. This is a very wide range, and it is much wider than the ranges for radius, core temperature, or surface temperature.
The radius of a star is typically about 1-10 times the radius of the Sun. The core temperature of a star is typically about 10-100 million degrees Kelvin. The surface temperature of a star is typically about 2,000-30,000 degrees Kelvin.
Therefore, the mass of a star has the greatest range in values.
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Given; f(x)=9x+5, find f^-1(x) then state whether f^-1(x) is a function.
Answer:
(1/9)x-5/9=y
Step-by-step explanation:
Y=9x+5
You first swap/interchange x and y
x=9y+5
Then solve for y
x/9-5/9=9y/9
Final answer:(1/9)x-5/9=y
in july 2008, the u.s. population was approximately 302,000,000. approximately how many americans were there in july 2009 if the estimated 2008 growth rate was 0.88%?
Approximately 304,657,600 Americans were there in July 2009 based on the estimated 2008 growth rate of 0.88%.
To find the approximate US population in July 2009, we need to apply the growth rate of 0.88% to the initial population in July 2008.
Convert the growth rate from percentage to decimal:
0.88% = 0.0088
Calculate the number of people added to the population in 2008: 302,000,000 * 0.0088 = 2,657,600
Add this number to the initial population to find the population in July 2009:
302,000,000 + 2,657,600 = 304,657,600.
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Consider the following vector field.
F(x, y, z) =
9ex sin(y), 2ey sin(z), 8ez
sin(x)
(a)
Find the curl of the vector field.
curl(F) =
(b)
Find the divergence of the vector field.
div(F) =
The curl of the vector field
curl(F) = -2ey cos(z)i + 8ez cos(x)j - 9ex cos(y)k
The divergence of the vector field
div(F) = 9e^x sin(y) + 2e^y sin(z) + 8e^z
To find the curl of the vector field F(x, y, z) = 9ex sin(y), 2ey sin(z), 8ez sin(x), we need to compute the determinant of the curl matrix.
(a) Curl of F:
The curl of a vector field F = P(x, y, z)i + Q(x, y, z)j + R(x, y, z)k is given by the following formula:
curl(F) = (∂R/∂y - ∂Q/∂z)i + (∂P/∂z - ∂R/∂x)j + (∂Q/∂x - ∂P/∂y)k
In this case, we have:
P(x, y, z) = 9ex sin(y)
Q(x, y, z) = 2ey sin(z)
R(x, y, z) = 8ez sin(x)
Taking the partial derivatives, we get:
∂P/∂y = 9ex cos(y)
∂Q/∂z = 2ey cos(z)
∂R/∂x = 8ez cos(x)
∂R/∂y = 0 (no y-dependence in R)
∂Q/∂x = 0 (no x-dependence in Q)
∂P/∂z = 0 (no z-dependence in P)
Substituting these values into the curl formula, we have:
curl(F) = (0 - 2ey cos(z))i + (8ez cos(x) - 0)j + (0 - 9ex cos(y))k
= -2ey cos(z)i + 8ez cos(x)j - 9ex cos(y)k
Therefore, the curl of the vector field F is given by:
curl(F) = -2ey cos(z)i + 8ez cos(x)j - 9ex cos(y)k
(b) Divergence of F:
The divergence of a vector field F = P(x, y, z)i + Q(x, y, z)j + R(x, y, z)k is given by the following formula:
div(F) = ∂P/∂x + ∂Q/∂y + ∂R/∂z
In this case, we have:
∂P/∂x = 9e^x sin(y)
∂Q/∂y = 2e^y sin(z)
∂R/∂z = 8e^z
Substituting these values into the divergence formula, we have:
div(F) = 9e^x sin(y) + 2e^y sin(z) + 8e^z
Therefore, the divergence of the vector field F is given by:
div(F) = 9e^x sin(y) + 2e^y sin(z) + 8e^z
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Poultry Layer Ration - Evaluate the ration. Malze Barley Molasses Cottonpeed Meal Fish Meal Dicalcium Phosphate Total Requirement Total-Requirement Content Gikg 612 158 20 100 100 10 1000 ME MJkg 8.58 0.70 0.16 0.78 1:08 12.0 11.1 0.9 CP g/kg 53.86 7.35 0.64 44.00 64 20 170 160 10 LYS g/kg 1.47 0.25 1.73 4.90 84 7.3 MET g/kg 2.14 0.23 1.73 2.52 6.6 5.5 PHE TRP g/kg g/kg 5.63 0.55 0.61 0.09 3.00 4.88 14.1 7.0 7.1 0.55 0.74 1.0 14 -0.4 Ca g/kg 0.12 0.02 0.18 0.15 3.73 213 6.3 35 -287 P g/kg 0.57 0.08 0.01 0.30 2.43 1.87 5.2 0.2 Na g/kg 0.12 0.03 0.04 0.88 0.01 3.0 1.5 1.5 Consumers had complained that these were the funniest looking eggs they had ever seen and tasted terrible. Additionally the egg producer had complained that feed intake had dropped off slightly. The ration was feed as a coarsely ground mash. Provide an explanation for the above conditions and make recommendations for feed changes to alleviate the problem. Your recommendations should include choice of feeds and any other factor you think may be important. No calculations are required.
The adjustments may involve balancing the nutrient composition, addressing amino acid imbalances, increasing calcium and phosphorus levels, ensuring adequate sodium content, and considering different feed forms.
Based on the given information, the poultry layer ration contains the following ingredients:
- Maize: 612 g/kg
- Barley: 158 g/kg
- Molasses: 20 g/kg
- Cottonseed Meal: 100 g/kg
- Fish Meal: 100 g/kg
- Dicalcium Phosphate: 10 g/kg
The ration also provides the total requirements for various nutrients, such as metabolizable energy (ME), crude protein (CP), lysine (LYS), methionine (MET), phenylalanine (PHE), tryptophan (TRP), calcium (Ca), phosphorus (P), and sodium (Na).
The complaints regarding funny-looking and terrible-tasting eggs, along with a slight decrease in feed intake, suggest that there may be issues with the ration that are impacting egg quality and palatability. Based on this information, here are some possible explanations and recommendations:
1. Imbalanced Nutrient Composition: The nutrient content of the ration may be imbalanced, leading to poor egg quality and taste. It's important to ensure that the nutrient levels are appropriate for poultry layer production. A consultation with a poultry nutritionist or veterinarian would be beneficial to determine the correct nutrient ratios for the ration.
2. Inadequate Amino Acid Balance: The amino acid balance in the ration is crucial for egg production and quality. The levels of lysine (LYS), methionine (MET), phenylalanine (PHE), and tryptophan (TRP) should be carefully evaluated. Supplementing the ration with specific amino acids or adjusting the protein sources may help improve egg quality.
3. Insufficient Calcium and Phosphorus: Calcium and phosphorus are essential for eggshell formation. The provided ration appears to have low levels of calcium (Ca) and phosphorus (P), which can lead to weak or abnormal eggshells. Increasing the levels of these minerals, either by adjusting the ratio of existing ingredients or incorporating additional calcium and phosphorus sources, may help address this issue.
4. Sodium Imbalance: Sodium (Na) is required for various physiological functions, including egg production. However, the ration seems to have a low sodium content. Ensuring adequate sodium levels in the diet might help stimulate feed intake and improve overall performance.
5. Texture and Processing: The ration is described as a coarsely ground mash. The texture and processing of the feed can influence how well the birds consume and utilize the ration. It might be worth exploring different feed forms (e.g., pellets or crumbles) to improve intake and digestion.
Overall, to alleviate the reported issues with egg quality and palatability, it is recommended to consult with a poultry nutritionist or veterinarian to reformulate the ration. The adjustments may involve balancing the nutrient composition, addressing amino acid imbalances, increasing calcium and phosphorus levels, ensuring adequate sodium content, and considering different feed forms.
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What is the slope of (-9,4) (-12,8)?
Answer: -5/3
Step-by-step explanation:
Answer: m = -4/3
Step-by-step explanation:
If you're given two different coordinates, and you want to find the slope, the general rule is that you subtract the first coordinates from the first. The formula for these kinds of problems is \(\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\) .
PLEASE HELP
What is the approximate volume of the cone
Use 3.14 for TT.
57 cm3
339 cm3
509 cm3
1526 cm3
The volume of the Illustrated cone used as an example is 51.3cm³.
How to calculate the volume?Volume is a measurement of three-dimensional space that is occupied. It is frequently expressed numerically using SI-derived units, as well as different imperial or US-standard units. Volume and the definition of length are related.
A cone is a recognizable three-dimensional geometric shape with a flat and curved surface that is pointed upward. The formula for the volume of a cone is V=1/3hπr²
Let's say the radius is 7cm. The volume will be:
= 1/3 × 3.14 × 7²
= 51.3cm³
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Assume all variables represent non negative numbers . Help please!!
Answer:
A). \(2p^{8}\)
B). \(3m^{7}\)
Step-by-step explanation:
A). \(\sqrt{4p^{16}}\)
To get the square root of the given expression we will convert it into the square form.
\(4p^{16}=(2)^2(p^{8})^2\) [Since 2×2 = 4 and \(p^{8}\times p^{8}=p^{16}\)]
Therefore, \(\sqrt{4p^{16}}=\sqrt{2^{2}\times (p^{8})^2 }\)
\(=2p^{8}\)
B). \(\sqrt{9m^{44}}\)
Since, \(9m^{14}=(3)^2\times (m^7)^2\)
Therefore, \(\sqrt{9m^{44}}=\sqrt{(3)^2\times (m^7)^2}\) [Since 3² = 9 and (m⁷)² = m¹⁴]
\(=3m^{7}\)
What is the value of this expression when n = -6?
Answer:
B
Step-by-step explanation:
that means we put -6 into every place, where n is showing in the expression, and then we simply calculate.
cubic root(4n - 3) + n
n = -6
cubic root(4×-6 - 3) - 6 = cubic root(-27) - 6 =
= -3 - 6 = -9
you need to paint office 143. if one gallon of paint covers 50 sf, how many gallons of pant will you need?
To determine the number of gallons of paint needed to cover office 143, we need to know the square footage of the office.
Once we have that information, we can divide the square footage by the coverage rate per gallon to calculate the required amount of paint.
Let's assume the square footage of office 143 is 800 square feet.
Number of gallons needed = Square footage / Coverage rate per gallon
Number of gallons needed = 800 square feet / 50 square feet per gallon
Number of gallons needed = 16 gallons
Therefore, you would need approximately 16 gallons of paint to cover office 143, assuming each gallon covers 50 square feet.
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Need help asap I need to get this question right
The given expression is:
\((x-2)(x+4)\)It is required to simplify the product using the distributive property.
Apply the distributive property to the product:
\((x-2)(x+4)=x(x+4)-2(x+4)\)Apply the distributive property again to simplify the expression on the right:
\(\begin{gathered} x(x+4)-2(x+4)=x\cdot x+x\cdot4+(-2)\cdot x+(-2)\cdot4 \\ =x^2+4x-2x-8 \\ =x^2+2x-8 \end{gathered}\)The answer is x²+2x-8.
Factor
\(64h^3+216k^9\)
Answer:
Factor 64h^3+216k^9
Step-by-step explanation:
The given expression is a sum of two terms:
[64h^3+216k^9
Notice that each term has a common factor. For the first term, the greatest common factor (GCF) is 64h^3, and for the second term, the GCF is 216k^9. So we can factor out these GCFs to get:
64h^3+216k^9 = 64h^3(1 + 3k^6)
This expression cannot be factored any further, so the final answer is:
64h^3+216k^9 = 64h^3(1 + 3k^6)
If you can, give me brainliest please!
PLEASE PLEASE ANSWER THIS WILL GIVE BRAINLY
Rewrite the equation in Ax+By=C form.
Use integers for A, B, and C.
y-2 =3(x+3)
Work out
(8 x 10^-3) x (2 x 10^-4) in standard form
Answer:
0.0000016
Step-by-step explanation:
(8 x 10^-3) x (2 x 10^-4)
= 8 x 10^-3 x 2 x 10^-4
= (8 x 2) x (10^-3 x 10^-4 )
= 16 x 10^ [(-3) + (-4)]
= 16 x 10^ (-3-4)
= 16 x 10^ (-7)
= 0.0000016