Answers
The shapes with two pair of parallel lines are parallelogram and rectangle
What are parallelogram and rectangle?A parallelogram is a quadrilateral with two pairs of parallel sides. The opposite sides of a parallelogram are equal and the sum of adjascent angles of a parallelogram is supplementary i.e 180°
A rectangle is a type of quadrilateral that has its parallel sides equal to each other and all the four vertices are equal to 90 degrees.
This means a parallelogram and rectangle both have two pair of parallel lines.
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Related Questions
How many solutions does the following equation have?
7
(
�
+
3
)
=
5
�
+
8
7(y+3)=5y+87, left parenthesis, y, plus, 3, right parenthesis, equals, 5, y, plus, 8
Choose 1 answer:
Choose 1 answer:
(Choice A) No solutions
A
No solutions
(Choice B) Exactly one solution
B
Exactly one solution
(Choice C) Infinitely many solutions
C
Infinitely many solutions
Answers
The equation 7(y + 3) = 5y + 8 has exactly B, one solution, since y is a real number.
How to determine solutions?To solve the equation, start by distributing 7 to the terms inside the parentheses:
7y + 21 = 5y + 8
Next, simplify the equation by subtracting 5y from both sides:
7y - 5y + 21 = 5y - 5y + 8
2y + 21 = 8
Then, subtract 21 from both sides:
2y + 21 - 21 = 8 - 21
2y = -13
Finally, divide both sides by 2 to solve for y:
(2y)/2 = -13/2
y = -13/2
The solution to the equation is y = -13/2, which is a single solution. Therefore, the equation has exactly one solution. So the correct answer is (Choice B) Exactly one solution.
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The perimeter of the quadrilateral is 37cm. Which equation could be used to find the length of the missing side?
A. x+12=37-11
B. x+11+12=37
C. x+21÷8=37
D. x+31=37
Answers
Answer: D
Step-by-step explanation:
To find the equation that could be used to find the length of the missing side of the quadrilateral, let's analyze the answer choices:
A. x+12=37-11
B. x+11+12=37
C. x+21÷8=37
D. x+31=37
We know that the perimeter of a quadrilateral is the sum of all its sides. Therefore, we can set up an equation where x represents the length of the missing side:
A. This equation doesn't represent the perimeter. It subtracts 11 from 37 instead of adding the lengths of the sides.
B. This equation adds the lengths of the two given sides correctly, but it doesn't consider the length of the missing side.
C. This equation divides 21 by 8 and then adds x, which doesn't accurately represent the perimeter.
D. This equation correctly adds the length of the missing side x to the known length of 31, representing the perimeter.
Therefore, the equation that could be used to find the length of the missing side is D. x+31=37.
The perimeter of a quadrilateral is the sum of its four sides.
Let a, b, c, and d be the four sides of the quadrilateral.
Then, the equation for the perimeter of the quadrilateral would be:
Perimeter = a + b + c + d
We are given that the perimeter of the quadrilateral is 37cm. So we can write:
a + b + c + d = 37
However, we are not given the lengths of all four sides. Instead, we are asked to find the length of the missing side, which may be represented by x. Thus we can express the equation above in terms of x:
a + b + c + x = 37
Simplifying the equation, we can write:
a + b + c = 37 - x
We can’t know which of the equations A, B, C or D could be used to find the length of the missing side without knowing more information about the quadrilateral or the given diagram.
Find all real zeros h(x)=5(x-5)(x+5)^2(x^2-1)
Answers
The real zeros of the function h(x) = 5·(x - 5)·(x + 5)²·(x² - 1) are; x = 5, x = -5, x = -1, and x = 1
What are the zeros of a function?The zeros of a function are points on the graph of the function at which the value of the function equates to zero, therefore;
The specified function can be presented as follows;
h(x) = 5·(x - 5)·(x + 5)²·(x² - 1)
When h(x) = 0, we get;
h(x) = 5·(x - 5)·(x + 5)²·(x² - 1) = 0
Therefore; (x - 5) = 0, (x + 5) = 0, and (x² - 1) = 0
(x² - 1) = (x - 1)·(x + 1) = 0
(x - 5) = 0, (x + 5) = 0, (x - 1), and (x + 1) = 0
x = 5, x = -5, x = 1, and x = -1
The real zeros of the function are; x = 5, x = -5, x = 1, and x = -1
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Which of the following equations represents a linear function?
x = 8
x − 3 = 5
y = −4x2
y equals one fourth times x plus 5
Answers
The equation that shows a linear function is the last option:
"y equals one fourth times x plus 5"
Which of the following equations represents a linear function?A linear function is a function that relates, at least, two variables y and x.
Such that y is a polynomial of degree (remember that the degree is the maximum exponent of the polynomial)
The given options are:
x = 8 (this is just an equation)
x − 3 = 5 (this is just an equation)
y = −4x² (this is a quadratic equation)
y equals one fourth times x plus 5
The last one can be written as:
y = (1/4)x +5
This is a polynomial of degree 1, so this is the linear function.
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Question in image.
3 cm
4cm
6cm
9cm
Answers
Answer: 3
Step-by-step explanation:
Find the percentage mentally.
25% of 80
Answers
25 percentage of 80 is 20.
To find 25% of 80, you can use the following formula:
Percentage = (Percentage Value/100) x Total Value
In this case, the percentage value is 25% (or 25/100) and the total value is 80. Plugging these values into the formula, we have:
Percentage = (25/100) x 80
To simplify the calculation, we can simplify 25/100 by dividing both the numerator and denominator by 25:
Percentage = (1/4) x 80
Now we can multiply 1/4 by 80:
Percentage = 1/4 x 80 = 20
Therefore, 25% of 80 is 20.
In other words, if you take 25% of a total value of 80, you will get a result of 20. This means that 20 is a quarter (or one-fourth) of 80. Percentages are a way to express a fraction of a whole, where 100% represents the entire value. In this case, 25% represents one-fourth of 80.
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A(n) ______________ is the original figure in the transformation of a figure in a plane.
A. isometry
B. mapping
C. image
D. preimage
Answers
please help!!!!! solve for x to the nearest tenth 7x^2=15x+9
(x^2 = x squared
Answers
Answer: the solutions to the equation 7x^2 = 15x + 9, rounded to the nearest tenth, are x ≈ 2.3 and x ≈ -0.8.
Step-by-step explanation: To solve the equation 7x^2 = 15x + 9, we can rearrange it into a quadratic equation by subtracting 15x and 9 from both sides:
7x^2 - 15x - 9 = 0
Now, we need to solve this quadratic equation. We can either factor it or use the quadratic formula. Let's use the quadratic formula, which states that for an equation in the form ax^2 + bx + c = 0, the solutions for x are given by:
x = (-b ± sqrt(b^2 - 4ac)) / (2a)
In this case, a = 7, b = -15, and c = -9. Substituting these values into the formula, we have:
x = (-(-15) ± sqrt((-15)^2 - 4 * 7 * (-9))) / (2 * 7)
x = (15 ± sqrt(225 + 252)) / 14
x = (15 ± sqrt(477)) / 14
To the nearest tenth, we can evaluate the two solutions:
x ≈ (15 + sqrt(477)) / 14 ≈ 2.27 (rounded to the nearest tenth)
x ≈ (15 - sqrt(477)) / 14 ≈ -0.77 (rounded to the nearest tenth)
Therefore, the solutions to the equation 7x^2 = 15x + 9, rounded to the nearest tenth, are x ≈ 2.3 and x ≈ -0.8.
Find the angle of elevation of the top of a tower from a point on the ground, which is 30 m away from the foot of a tower of height 10√3 m.
Answers
The angle of elevation of the top of the tower from the point on the ground is approximately 30.96 degrees.
To find the angle of elevation of the top of the tower, we can use trigonometry.
Let's denote the angle of elevation as θ.
In a right triangle, the tangent of an angle is equal to the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle.
In this case, the side opposite the angle is the height of the tower (10√3 m), and the side adjacent to the angle is the distance from the point on the ground to the foot of the tower (30 m).
Using the tangent function, we can write:
tan(θ) = opposite/adjacent
= (10√3 m) / (30 m)
= (√3/3)
To find the angle θ, we can take the inverse tangent (arctan) of (√3/3):
θ = arctan(√3/3)
Calculating this angle using a calculator, we get:
θ ≈ 30.96 degrees
Therefore, the angle of elevation of the top of the tower from the point on the ground is approximately 30.96 degrees.
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need help fast pls anyone
Answers
Answer:
2048 in³
Step-by-step explanation:
Volume of sphere = (4/3) X π X r ³
= (4/3) (3) (8)³
= 2048 in³
rewrite y=x^2+x-3 in vertex form
Answers
Karen wants to get a
haircut from her local
hair salon. Normally it
costs her $84 to get her
hair cut, but she has a
до
coupon for 50% off.
What is the sale price [?] dollars
for the haircut?
Answers
Step 1: Calculate the amount of discount.
Discount = 50% of $84
Discount = (50/100) * $84
Discount = $42
Step 2: Subtract the discount from the original price.
Sale Price = Original Price - Discount
Sale Price = $84 - $42
Sale Price = $42
Therefore, the sale price for Karen's haircut, after applying the 50% off coupon, is $42.
HELP FOR 60 POINTS!
Function $C$ is defined on positive integers as follows:
\[C(n) = \begin{cases}
\dfrac n 2 & \text{if $n$ is even}, \\
3n+1 & \text{if $n$ is odd}.
\end{cases}\]Find all $n$ such that $C^{3}(n) = 16$.
If you find more than one, then list the values separated by commas.
Answers
Let's start with an arbitrary positive integer n and apply the function C to it. If n is even, then C(n) = n/2. If n is odd, then C(n) = 3n + 1. Let's consider these two cases separately.
Case 1: n is even
If n is even, then C(n) = n/2. Applying the function C again, we get:
C(C(n)) = C(n/2) = (n/2)/2 = n/4
Applying the function C a third time, we get:
C(C(C(n))) = C(n/4) = (n/4)/2 = n/8
Therefore, in this case, we need to solve the equation n/8 = 16, which gives n = 128.
Case 2: n is odd
If n is odd, then C(n) = 3n + 1. Applying the function C again, we get:
C(C(n)) = C(3n + 1) = (3n + 1)/2, since 3n + 1 is even
Applying the function C a third time, we get:
C(C(C(n))) = C((3n + 1)/2) = (3n + 1)/4
Therefore, in this case, we need to solve the equation (3n + 1)/4 = 16, which gives n = 63.
So the two solutions to the equation C(C(C(n))) = 16 are n = 128 and n = 63
A storeowner orders 25 calculators that cost $43 each. The storeowner can sell each calculator for $53. The storeowner sold 22 calculators to customers. He had to return 3 calculators that were never sold and pay a $5 charge for each returned calculator (although the initial cost is refunded). What is the storeowner's profit?
Answers
Answer:
$205
Step-by-step explanation:
25 X 43 = 1075 (initial cost).
22 X 53 = 1166 (initial profit)
sends back 3 back at $5 each = $15.
initial cost (refunded) for 3 calculators = 3(43) = 129
1166 - 1075 - 15 + 3(43)
= 1166 + 129 - 1075 - 15
= $205
what is a square of 22
Answers
Answer:
484
Step-by-step explanation:
22^2 = 484
OPTIONAL - Space to calculate your work.
REQUIRED
1
9.
How much water can Portia’s new aquarium hold?
a) 166.28 cubic inches
b) 790.28 cubic inches
c) 956.56 cubic inches
d) 3,120 cubic inches
e) 6,240 cubic inches
REQUIRED
1
10.
Portia's new fish require complete darkness for 12 hours a day. Rather than buying a blackout curtain for her room, she decides to make an aquarium cover out of a tropical print, with a blackout liner. How much tropical print fabric will she need to purchase in order to cover the top and sides of the aquarium?
a) 864 square inches
b) 624 square inches
c) 1,144 square inches
d) 1,104 square inches
e) 480 square inches
Answers
A) The amount of water that Portia’s new aquarium holds is: d) 3,120 cubic inches
B) The amount of tropical print fabric she will need to purchase in order to cover the top and sides of the aquarium is: a) 864 square inches
How to find the volume of the hexagon?The number of sides that a hexagon has is Six sides.
The area of a triangle has the formula:
A = ¹/₂bh.
A hexagon is a total of six triangles.
Thus:'
Area of hexagon here is:
A = 6(¹/₂bh)
B (base) = 8in. The base is usually always at the bottom.
We add as the height into the equation to get:
Area = 6(¹/₂ * 8 * 10) * 13 = 3120.
B) Surface area is the sum of all the faces. There are 2 hexagonal faces and then 6 sides.
Thus:
Surface area = 6(¹/₂ * 8 * 10) + (8 * 13) + 6(104) = 864 square inches
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Drag each length to match it to an equivalent length.
2 yards 5 inches2 feet 8 inches1 yard 1 foot9 feet
Answers
The table representing the equivalent lengths in each case is-
3 yards : 2 yards 5 inches
77 inches : 9 feet
48 inches : 2 feet 8 inches
32 inches : 1 yard 1 foot
The following table shows the equivalent lengths in each situation: 3 yards: 9 feet 48 inches: 2 yards 5 inches and 77 inches 2 feet 8 inches tall
3.2 inches 1 foot = 1 yard
To finish the table, match the equivalent lengths for the following: 3 yards 77 inches 48 inches 32 inches
There are 36 inches in a yard.
In both instances, the comparable length can be expressed as -3 yards: 2 yards 77 inches in 5 inches: 9 ft. 48 in. : 2 feet 8 inches tall
3.2 inches 1 yard 1 foot
As a result, the following table shows the equivalent lengths in each situation: 3 yards: 2 feet, 5 inches
9 feet and 77 inches
36 inches: 2 feet 8 inches tall
3.2 inches 1 foot = 1 yard
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wtite the height of the bat in cm
Answers
Answer: The height of a bat depends on how tall you are. All are different. Baseball bats a limited to 107cm. It is typically between 70-100cm.
Step-by-step explanation:
A bakery received an order for cupcakes. The list tells the details of the order.
The ratio of chocolate to vanilla cupcakes is 3:2.
The ratio of chocolate cupcakes to total cupcakes is 3:5.
How many vanilla cupcakes would need to be added to the table so that the two statements are true?
Answers
hrs of work to get to work on time for the line up to me to be a little more comfortable for me
Select the correct answer. Which function is continuous across its domain? A. f ( x ) = { x + 6 , - 4 ≤ x < - 2 0.5 x 2 , - 2 ≤ x < 4 20 − 3 x , 4 ≤ x ≤ 8 B. f ( x ) = { x − 2 , - 4 ≤ x < - 2 0.5 x 2 , - 2 ≤ x < 4 25 − 3 x , 4 ≤ x ≤ 8 C. f ( x ) = { x + 4 , - 4 ≤ x < - 2 0.5 x 2 , - 2 ≤ x < 4 20 − 3 x , 4 ≤ x ≤ 8 D.
Answers
Note that the function that is continuous across its domain is C. f(x) = {x + 4, -4 ≤ x < -2; 0.5x², -2 ≤ x < 4; 20 - 3x, 4 ≤ x ≤ 8}
Why is this so?To determine which function is continuous across its domain, we need to ensure that there are no abrupt jumps, breaks, or undefined points within the given intervals.
In option C, the function is defined and continuous within each interval [-4, -2), (-2, 4), and [4, 8]. It consists of three separate pieces that are individually continuous, and there are no breaks or undefined points within each interval.
In options A and B, there are abrupt changes or discontinuities at x = 4 where the function switches to a different expression. This makes the function discontinuous at x = 4.
Therefore, option C is the correct answer as it represents a function that is continuous across its domain.
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Does anyone have any ideas on how I can relate tomato’s with ratios for math?
Answers
Answer:
maybe do a ratio of tomatoes grown to tomatoes that died/ withered in growth?
ex: ratio is for every 15 grown tomatoes, 2 die. so ratio is 15:2
hope this helps!!
Please help me! Your smart!
Answers
Answer:
1) Side c = 64
2) sin A = 7/25
cos A = 24/25
tan A = 7/24
3) x = 11, y = 11[tex]\sqrt{2}[/tex]
4) D
5) Right
Step-by-step explanation:
1) sin29=31/c
0.48481=31/c
c=63.92
c=64
5) 25^2=24^2+7^2
625=576+49
625=625
So, the triangle is a right triangle.
Use the coordinates of the labeled point to find the point-slope equation of
the line.
A. y-5=-3(x+3)
B.y-3-(x+5)
C. y + 5 = 3(x+3)
D. y + 5 = -3(x-3)
(3,-5)
Answers
By using the coordinates of the labeled point, the point-slope equation of the line include the following: D. y + 5 = -3(x - 3)
How to determine an equation of this line?In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical equation (formula):
y - y₁ = m(x - x₁)
Where:
x and y represent the data points.m represent the slope.0 5 2 -2
First of all, we would determine the slope of this line;
Slope (m) = (y₂ - y₁)/(x₂ - x₁)
Slope (m) = (4 + 5)/(0 - 3)
Slope (m) = -9/3
Slope (m) = -3
At data point (3, -5) and a slope of -3, a linear equation for this line can be calculated by using the point-slope form as follows:
y - y₁ = m(x - x₁)
y - (-5) = 3(x - 3)
y + 5 = -3(x - 3)
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
Help pls…………………………………..
Answers
Answer:
Trapezoid
Step-by-step explanation:
A parallelogram is a four side rectangle slightly slanted
A quadrilateral is four side shape eg rectangle, square
A trapezium is
. If BC = 17 and DC = 26, what is the diameter of circle O to the nearest tenth? The figure is not drawn to scale.
0 15.5
0 56.8
0 22.8
0 39.8
Answers
Answer: the answer i got was b
Step-by-step explanation:
These ones are tought!
Answers
What is the meaning of "the universal class V is a proper class"?
Answers
The statement "the universal class V is a proper class" means that class V, which represents the universal set that contains all sets, is not itself a set but rather a proper class.
We have,
In set theory, a proper class is a class that is not a set.
A class is a collection of objects, and a set is a class that can be a member of other classes.
On the other hand, a proper class cannot be a member of another class.
The statement "the universal class V is a proper class" means that class V, which represents the universal set that contains all sets, is not itself a set but rather a proper class.
This means that V cannot be an element of any other class or set within the context of the set theory being considered.
The concept of proper classes is used to prevent paradoxes and contradictions that can arise when unrestricted comprehension is allowed in set theory.
Thus,
The statement "the universal class V is a proper class" means that class V, which represents the universal set that contains all sets, is not itself a set but rather a proper class.
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Write 1 1/6 as an improper fraction
Answers
Step-by-step explanation:
Improper fractions have a numerator that is larger than the denominator
1 = 6/6
so 1 1/6 = 7/6
What meaning of the statement this?
Answers
Note that the notation "∪C = {x : x ∈ for some S ∈ C} = ∪ { S:S ∈ C}" represents a mathematical statement involving sets.
What is the explanation of this ?∪C : This represents the union (∪) of the sets in C.
{x : x ∈ for some S ∈ C}: This is the description or definition of the elements in the set formed by the union of sets in C.
It states that an element x belongs to the union of sets in C if and only if x belongs to at least one set S that is an element of the set C.
= ∪{ S:S ∈ C} : This means that the union (∪) of sets in C is equal to the union of all sets S that belong to the set C.
In summary, the statement is saying that the union of sets in C consists of all elements that belong to at least one set in C. It is the combined collection of elements from all sets in C.
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the _____ is part of the offensive line and begins the play by snapping the ball back to the quaraterback?
Answers
Answer:
The center
Step-by-step explanation:
is the player who begins the play from scrimmage by snapping the ball to the quarterback. As the name suggests, the center usually plays in the middle of the offensive line, though some teams may employ an unbalanced line where the center is offset to one side.
