Answer:
Stefan borrowed $8000 on his car loan and $4000 on his student loan.
Step-by-step explanation:
a. Let x be the amount of money Stefan borrowed on his car loan and y be the amount he borrowed on his student loan. According to the problem, Stefan borrowed twice as much on his car loan as on his student loan, so x = 2y.
b. The annual interest on the car loan is $360 more than the interest on the student loan. We can set up an equation as follows:
0.08x - 0.07y = 360
c. Substituting x = 2y from equation (a) into equation (b), we get:
0.08(2y) - 0.07y = 360
0.16y - 0.07y = 360
0.09y = 360
y = 4000
So, Stefan borrowed $4000 on his student loan. Using equation (a), we can find the amount he borrowed on his car loan:
x = 2y = 2(4000) = 8000
Therefore, Stefan borrowed $8000 on his car loan and $4000 on his student loan.
Quick Answer Please. oops its Reading my bad
Answer: C
Step-by-step explanation:
Again, let's use elimination.
Does it suggest a different interpretation than the rest of the article? Yes, because it indicates there is a flaw in saying that the data shows human and chimp similarities.
Is it a reason for pursuing DNA Research? Nope.
Does it specifiy the extent of similarity? Yup.
SO now we are down to A and C as possible choices.
C is the answer, because while the data can be used to produce a different interpretation, its purpose in developing the main idea is purely specification.
Please help I really need it!!
[ 61 ]
to solve this you need to use pythagorean theorem, and find the lengths of the sidesnof the triangle using two points.
x axis: 2 - ( -3 ) = 2 + 3 = 5
y axis: 2 - ( -4 ) = 2 + 4 = 6
PyTh: a^2 + b^2 = c^2
5^2 + 6^2 = c^2
25 + 36 = c^2
c = SqRt ( 61 )
A restaurant asks their customers to fill out a questionnaire indicating whether their service was excellent, very good, good, or poor. The rating scale used is an example of the _____ scale.
a.ratio
b.inverval
c.ordinal
d.nominal
Correct Answer: c. ordinal scale
What is the ordinal scale?
An ordinal scale is a type of measurement scale in which the data can be ranked or ordered based on the size or value of the measurement. The categories in an ordinal scale, such as "excellent," "very good," "good," and "poor," do not have equal intervals or a true zero point, so they cannot be used to perform mathematical operations. The main purpose of an ordinal scale is to order or rank the data based on relative position.
In this case, the restaurant's rating scale is an example of an ordinal scale because the customers are asked to indicate the quality of service on a scale with four categories, and the categories can be ranked in order from best to worst.
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Name the two solutions of 25 = (x – 3)^2
Answer: x = 8, x = -2
Step-by-step explanation:
(x - 3)² = 25
Step 1: Take the square root on each side of the equation.
(x - 3)² = 25
√(x - 3)² = ±√25
Step 2: After taking the square root on each side of the equation, this allows you to solve for x.
x - 3 = ±5
Solution 1
x - 3 = 5
x = 5 + 3
x = 8
Solution 2
x - 3 = - 5
x = -5 + 3
x = -2
Another way to solve this problem is to multiply (x - 3)² using the FOIL methods (first, outer, inner, last) and then set it equal to 25.
(x - 3) (x - 3) = 25
x² - 3x - 3x + 9 = 25
The next step is to add like terms. After adding like terms, solve for x.
x² - 3x - 3x + 9 = 25
x² - 6x + 9 - 25 = 25 - 25
x² - 6x - 16 = 0
Last step is to factor x² - 6x - 16 = 0 so you can solve for the two solutions.
(x - 8) (x + 2) = 0
Solution 1
x - 8 = 0
x = 8
Solution 2
x + 2 = 0
x = -2
Olivia entered a baking contest. As part of the contest, she needs to demonstrate how to measure a gallon of milk if she only has a teaspoon measure. She converts the measurement using the ratios below: 4 quarts 1 gallon ⋅ 2 pints 1 quart ⋅ 2 cups 1 pint ⋅ 1 4 cup 4 tablespoons ⋅ 3 teaspoons 1 tablespoon 1 gallon 4 quarts ⋅ 1 quart 2 pints ⋅ 1 pint 2 cups ⋅ 4 tablespoons 4 1 cup ⋅ 1 tablespoon 3 teaspoons Which ratio is incorrectly written in Olivia's conversion?
Answer:
1/4 cup and 4 tablespoons
Factor the following
The simplification of the given polynomial is az-bz+3b²-6ab+3a².
What is factorization?The factorization method uses basic factorization formula to reduce any algebraic or quadratic equation into its simpler form, where the equations are represented as the product of factors instead of expanding the brackets. The factors of any equation can be an integer, a variable, or an algebraic expression itself.
The given polynomial (a-b)·z+3(b-a)².
Here, (a-b)·z+3(b²-2ab+a²)
= z·(a-b)+3b²-6ab+3a²
= az-bz+3b²-6ab+3a²
Therefore, the simplification of the given polynomial is az-bz+3b²-6ab+3a².
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Which statement correctly compares the values of the
8
88s in
2
,
7
8
1
2,7812, comma, 7, start color #9e034e, 8, end color #9e034e, 1 and
94
8
94894, start color #0c7f99, 8, end color #0c7f99?
Choose 1 answer:
The correct statement comparing the values of the 8s in 2,7812 and 94894 is that the 8 in 2,7812 has a greater value than the 8 in 94894.
This is because the value of a digit in a number is determined by its place value. In the number 2,7812, the 8 is in the hundreds place, meaning it has a value of 800. In the number 94894, the 8 is in the tens place, meaning it has a value of 80.
Therefore, the 8 in 2,7812 has a greater value (800) than the 8 in 94894 (80).
Here is the answer in HTML format:
The correct statement comparing the values of the 8s in 2,7812 and 94894 is that the 8 in 2,7812 has a greater value than the 8 in 94894.
This is because the value of a digit in a number is determined by its place value. In the number 2,7812, the 8 is in the hundreds place, meaning it has a value of 800. In the number 94894, the 8 is in the tens place, meaning it has a value of 80.
Therefore, the 8 in 2,7812 has a greater value (800) than the 8 in 94894 (80).
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Find the transformation Matrix R that describes a rotation by 120° about axis from the origin through the point (1,1,1)
Answer: The transformation matrix R for a rotation of 120° about an axis from the origin through the point (1,1,1) can be calculated using the formula:
R = I + (sin(θ))U + (1-cos(θ))UU'
where θ is the angle of rotation (120° in this case), I is the identity matrix, U is a skew-symmetric matrix, and U' is its transpose. The skew-symmetric matrix can be calculated as follows:
U = [0, -z, y; z, 0, -x; -y, x, 0]
where x, y, and z are the components of the vector (1,1,1) that defines the axis of rotation.
Plugging in the values and simplifying, the transformation matrix R is:
R = [ cos(120°), -sin(120°), 0; sin(120°), cos(120°), 0; 0, 0, 1 ]
Note: cos(120°) = -1/2 and sin(120°) = √(3)/2.
Step-by-step explanation:
Help please:))))))))
In the diagram,
B
D
¯
is a diameter of circle A. If the slope of
B
E
⟷
is
3
2
, what is the slope of
B
D
⟷
?
Since BD is a diameter of circle A, the slope of BD is equal to -2/3.
What are perpendicular lines?In Mathematics and Geometry, perpendicular lines can be defined as two (2) lines that intersect or meet each other at an angle of 90° (right angles).
By critically observing the geometric shape, we can reasonably infer and logically deduce that line segment BD is perpendicular to line segment BE.
In Mathematics, a condition that must be met for two lines to be perpendicular is given by:
m₁ × m₂ = -1
3/2 × m₂ = -1
3m₂ = -2
Slope, m₂ = -2/3.
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Complete Question:
In the diagram, BD is a diameter of circle A. If the slope of BE is 3/2, what is the slope of BD?
find the area of the shaded region please
The area of the shaded region is 24x² - 78x + 33.
What is a square?A square is a two-dimensional figure that has four sides and all four sides are equal.
The area of a square is side².
We have,
Two squares:
Smaller square:
Side = x + 4
Larger square:
Side = 5x - 7
Now,
Area of the shaded region.
= Area of the bigger square - Area of the smaller square
= (5x - 7)² - (x + 4)²
= 25x² - 70x + 49 - x² - 8x - 16
= 24x² - 78x + 33
Thus,
24x² - 78x + 33 is the area of the shaded region.
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Find the range of the function y = 2x + 1 when the domain in { -2,4,6}.
Answer & Step-by-step explanation:
To get the range of the function y = 2x + 1, we need to determine the set of all possible output values (y) that the function can produce for the given domain.
When x = -2, y = 2(-2) + 1 = -3.
When x = 4, y = 2(4) + 1 = 9.
When x = 6, y = 2(6) + 1 = 13.
So, the output values (y) for the given domain { -2, 4, 6 } are -3, 9, and 13.
Hope it helps! : )What is the contrapositive of the following statement?
If two triangles are congruent, then their corresponding angles are congruent.
A) If the corresponding angles of two triangles are congruent, then the triangles are congruent.
B) If two triangles are congruent, then their corresponding angles are congruent.
C) If two triangles are not congruent, then their corresponding angles are not congruent.
D) If the corresponding angles of two triangles are not congruent, then the triangles are not congruent.
The contrapositive statement is,
''If the corresponding angles of two triangles are not congruent, then the triangles are not congruent."
What are the corresponding angles?When two parallel lines are crossed by another line, comparable angles are the angles that are created in matching corners or corresponding corners with the transversal (i.e. the transversal).
Given:
A statement:
If two triangles are congruent, then their corresponding angles are congruent.
The contrapositive statement is,
''If the corresponding angles of two triangles are not congruent, then the triangles are not congruent."
Therefore, the D statement is correct.
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After a 20% reduction, you purchase a new love seat for $396. What was the price of the love seat before the reduction?
A) First write an equation you can use to answer this question. Use
as your variable and express any percents in decimal form in the equation.
The equation is
B) Solve your equation in part [A] to find the original price of the love seat.
Answer: The original price of the love seat was
dollars.
The equation which can be used to represent the situation is 396 = x - 0.2x
The original price of the love seat was $495.
What was the price of the love seat before the reduction?Let
Original price of the love seat= x
New price= $396
Percentage discount= 20%
396 = x - (20% of x)
396 = x - 0.2x
396 = 0.8x
divide both sides by 0.8
x = 396 / 0.8
x = $495
Hence, the equation 396 = x - 0.2x is used to solve the question and the original price is $596
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Challenge A family wants to rent a car to go on vacation. Company A charges $45.50 and 11¢ per mile. Company B
charges $65.50 and 14¢ per mile. How much more does Company B charge for x miles than Company A?
dollars more than Company A.
For x miles, Company B charges
(Simplify your answer. Use integers or decimals for any numbers in the expression.)
Step-by-step explanation:
The charge of Company B is $65.50 + 0.14x and the charge of Company A is $45.50 + 0.11x.
So, the difference is $65.50 + 0.14x - ($45.50 + 0.11x) = $20 + 0.03x dollars more than Company A.
How should this model be completed to represent 3,723 ÷ 51?
Enter your answers in the boxes.
The completed entries is added as an attachment
How to determine the entries in the boxFrom the question, we have the following parameters that can be used in our computation:
3,723 ÷ 51
Express 3,723 as 2295 + 1428
So, we have the following representation
3,723 ÷ 51 = (2295 + 1428) ÷ 51
Expand the expression
So, we have the following representation
3,723 ÷ 51 = 2295 ÷ 51 + 1428 ÷ 51
Evaluate the quotients
3,723 ÷ 51 = 45 + 28
Next, we complete the blanks (see attachment) for the completed entries
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Solve
6
11
12
−
(
2
4
16
+
3
2
3
)
. Start by doing the operation inside the parentheses first.
Show all your steps.
Answer: The expression inside the parentheses can be simplified as follows:
24/16 + 3/3 = 3
So, the expression becomes:
6/11 - 3/12 = 6/11 - 1/4
Now we can subtract the two fractions:
6/11 - 1/4 = 6/11 - 4/11 = 2/11
So the final answer is 2/11.
Step-by-step explanation:
Identifying parallel and perpendicular lines from equations
Line 1 and line 3 are parallel and line 1 and line 2 are perpendicular.
What is a System of Equations?
A system of equations in algebra is made up of two or more equations that are solved together. "A group of equations satisfied by the same set of variables are called a system of linear equations. Finding the values of the variables employed in the system of equations is the first step towards solving it. While maintaining the balance of the equations on both sides, we compute the values of the unknown variables. Finding a variable whose value makes the condition of all the given equations true is the primary goal of solving an equation system.
y = -5/2 x -1
4x-10y = 8
2y = -5x+7
line 1, m = -5/2
line 2, m = 2/5
line 3, m -5/2
Hence, Line 1 and line 3 are parallel and line 1 and line 2 are perpendicular.
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2. Simplify the expression
Answer:
x² + 3x - 28/
x² - 7x +12
Show your work.
Answer:
(x + 7)/(x - 3)
Step-by-step explanation:
To simplify this expression, we first factor the numerator and denominator, and then cancel any common factors:
x² + 3x - 28 = (x + 7)(x - 4)
x² - 7x + 12 = (x - 3)(x - 4)
So the expression simplifies to:
(x + 7)(x - 4) / (x - 3)(x - 4)The (x - 4)
factor in both the numerator and denominator cancels out, leaving:
x + 7 / x - 3
Therefore, the simplified expression is (x + 7)/(x - 3)
evaluate the numerical value of the final momentum of the t-shirt using the results from parts a and b.
The final amount momentum of the t-shirt is 17.5 kg⋅m/s, which is the sum of the initial momentum of the t-shirt (2 kg⋅m/s) and the change in momentum (15.5 kg⋅m/s) due to the force applied.
The final amount momentum of the t-shirt is 17.5 kg⋅m/s, which is calculated by summing the initial momentum of the t-shirt (2 kg⋅m/s) and the change in momentum (15.5 kg⋅m/s) due to the force applied. Momentum is a vector quantity which is equal to the product of the mass and velocity of an object. In this case, the t-shirt has a mass of 4 kg and a velocity of 4 m/s. The force of 15 N applied to the t-shirt for 3 seconds causes the t-shirt to accelerate, increasing its velocity from 4 m/s to 8 m/s. This increase in velocity results in an increase in the momentum of the t-shirt from 2 kg⋅m/s to 17.5 kg⋅m/s. Thus, by calculating the change in momentum due to the applied force, we can determine the final momentum of the t-shirt.
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how can the directed graph of a relation R on a finite set A be used to determine whether a relation is asymmetric
A directed graph can be used to determine whether a relation R on a finite set A is asymmetric or not by checking whether there is any pair of elements (a, b) in R such that both (a, b) and (b, a) are present in R.
If such a pair exists, then the relation is not asymmetric because it violates the condition for asymmetry, which states that for any (a, b) in R, (b, a) cannot be in R.
In the directed graph, this means that there is a directed edge from a to b and also a directed edge from b to a. This would result in a cycle in the directed graph, which is not allowed in an asymmetric relation.
If there are no such pairs in R, then the relation is asymmetric, and the directed graph will not contain any cycles. Therefore, the directed graph can be a helpful tool to quickly determine if a relation is asymmetric or not, especially for larger sets A.
A landscape architect is seeding a 4800-sq ft lawn. If the seed manufacturer recommends using 3 lb of seed per 1200 sq ft, how many pounds of seed will be needed?
The architect will need ____ ib of seed
Answer:
12 lb of seed.
Step-by-step explanation:
We need to determine the amount of seed required for a 4800 sq ft lawn.
First, we need to find out how many 1200 sq ft portions the 4800 sq ft lawn is:
4800 sq ft / 1200 sq ft/portion = 4 portions
Next, we can use the seed manufacturer's recommendation of 3 lb of seed per 1200 sq ft:
3 lb/portion * 4 portions = 12 lb
Therefore, the architect will need 12 lb of seed.
need help with 6-9 please
The missing sides of the triangles are:
NUMBER 6 and 7: x = 12√2 units, y = 12√2 units
NUMBER 8 and 9: x = 25 units, y = 25√3 units
How to find the missing sides of the triangles?Trigonometry is a branch of mathematics dealing with the relationship between the ratios of the sides of a right-angled triangle with its angles.
NUMBER 6 and 7
sin 45° = x/24
x = 24 * sin 45°
x = 24 * (√2)/2
x = 12√2 units
sin 45° = y/24
y = 24 * sin 45°
y = 24 * (√2)/2
y = 12√2 units
NUMBER 8 and 9
sin 30° = x/50
x = 50 * sin 30°
x = 50 * 1/2
x = 25 units
sin 60° = y/50
y = 50 * sin 60°
y = 50 * (√3)/2
y = 25√3 units
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Four less than product of 22 and Vanessa's savings use the variable v to represent Vanessa's savings
Answer: 22v-4
Step-by-step explanation: four less than means subtract and product means multiply
Similar polygons
State if the polygons are similar
Estimate each product using rounding
0.67 × 322
We need help with explanation please.
5th grade math question not college apologies
The estimate of the product, using rounding, is given as follows:
0.67 x 322 = 216.
How to estimate the product?The product in the context of this problem is defined as follows:
0.67 x 322.
Multiplying the two numbers, the result is given as follows:
0.67 x 322 = 215.74.
We want to round the product to the nearest integer, hence we add one to the integer part, as the decimal part has a first digit which is greater than 4.
Thus the rounded result is given as follows:
216.
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What is 1/4 divided by 1/12
Answer: 0.0208333333
Step-by-step explanation: one way you could do it is -->1/4 ≈ 0.25 and 1/12 ≈ 0.0833333333333333
so then
0.25 ÷ 0.0833333333333333 = 0.0208333333
If you'd like to check the answer, use a calculator.
1/4 ÷ 1/12 = 0.0208333333
hope this helps :)
find a unit vector with a positive i component that is orthogonal to both i j and i k. (express your answers in terms of i for i, j for j and k for k.)
The unit vectors that are orthogonal to both i+j and i+k are
± (-1/√3, 1/√3,1/√3 )
What are vector equations ?
Vector equations allow for the creation of parametric curves. That is, points in space are formed for each value of the parameter by the equation of a vector, where each of its elements has a function with an independent variable that we refer to as a parameter.
a=i+j = < 1,1,0 > , b=i+k = < 1,0,1>
Let c= + < ( cos α,cos β ,cos γ )>
be the unit vectors (in opposite directions) orthogonal to a and b
the scalar product :
c.a = cos α +cos β = 0
c.b = cos α + cos γ = 0
It follows that ,
c= ± ( -cos α,cos α ,cos α )
cos α = ±1/√3
c= ± (-1/√3, 1/√3,1/√3 )
The unit vectors that are orthogonal to both i+j and i+k are
± (-1/√3, 1/√3,1/√3 )
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The unit vectors that are orthogonal to both i+j and i+k are
± (-1/√3, 1/√3,1/√3 )
What are vector equations ?
Vector equations allow for the creation of parametric curves. That is, points in space are formed for each value of the parameter by the equation of a vector, where each of its elements has a function with an independent variable that we refer to as a parameter.
a=i+j = < 1,1,0 > , b=i+k = < 1,0,1>
Let c= + < ( cos α,cos β ,cos γ )>
be the unit vectors (in opposite directions) orthogonal to a and b
the scalar product :
c.a = cos α +cos β = 0
c.b = cos α + cos γ = 0
It follows that ,
c= ± ( -cos α,cos α ,cos α )
cos α = ±1/√3
c= ± (-1/√3, 1/√3,1/√3 )
The unit vectors that are orthogonal to both i+j and i+k are
± (-1/√3, 1/√3,1/√3 )
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in 4-7, use what you know about the sum of angles in a triangle to set up ans solve an equation to find the value of x. Then, find the measure of each missing angle
The measure of each Angle is 80, 50 and 50 degree.
What is Angle sum Property?Angle sum property of triangle states that the sum of interior angles of a triangle is 180°.
Given:
<H= 4x- 20
and, <G = 2x
and, <I = 2x
Now, In triangle GHI using Angle Sum Property
<G+ <H+ <I= 180
4x- 20 + 2x+ 2x = 180
8x - 20 = 180
8x = 200
x= 25
So, the measure of <G = 4x- 20 = 100 -20 = 80 degree.
and, <H = <I= 2x= 2(25)= 50 degree
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Mary decides to get phone service from T-Mobile. T-Mobile offers her a plan where she will have to pay $40 per month with a $35 activation fee. What’s her equation using y=mx+b
Answer:
y=40x+35
Step-by-step explanation:
After 0 months, she still needs to pay the first $35. This means that this is her y-intercept, and in the formula “y=mx+b”, it would go in the “b” place. Then x would mean how many months have passed, so therefore 40 would go into the “m” place. If you put that together, it looks like “y=40x+35”.