The measure of BC from the triangle ABC is 40.82 units.
What is the Pythagoras theorem?The Pythagoras theorem which is also referred to as the Pythagorean theorem explains the relationship between the three sides of a right-angled triangle. According to the Pythagoras theorem, the square of the hypotenuse is equal to the sum of the squares of the other two sides of a triangle.
Given that, in triangle ABC, AB=21 units and AC=35 units.
By using Pythagoras theorem,
BC²=AB²+AC²
BC²=21²+35²
BC²=441+1225
BC²=1666
BC=√1666
BC=40.82
Therefore, the measure of BC is 40.82 units.
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what number when divided by 15 20 30 the remainder is always 8
The number when divided by 15, 20, and 30 and the remainder is always 8 will be 68.
What is Algebra?Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.
The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.
The number which is divisible by 15, 20, or 30 will be given as,
LCM of the numbers 15, 20, and 30 will be given as,
2 | 15, 20, 30
2 | 15, 10, 15
3 | 15, 5, 15
5 | 5, 1, 5
1, 1, 1
LCM = 2 x 2 x 3 x 5
LCM = 60
The number whose remainder is always 8 is given as,
⇒ 60 + 8
⇒ 68
The number when divided by 15, 20, and 30 and the remainder is always 8 will be 68.
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determine if its a depicts a function or not
The relations that are functions are 2, 3, 4, 5, 6, and 7.
The ones that aren't functions are 1 and 8.
Which relations are functions?A relationship maps elements from one set (the domain) into elements from another set (the range), and a relation is a function only if each element of the domain is mapped into only one value of tha range.
For example, if you look at the relation 8, you can see that the input x = 1 is mapped into two different outputs, then this is not a function.
With that in mind, the options that are functions are:
2, 3, 4, 5, 6, and 7.
The ones that aren't functions are 1 and 2.
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Benjamin invests $400 in a savings account that earns 5\%5% interest each year. Which expression does not give the correct balance in the account after 33 years?
If Benjamin invests $400 in a savings account that earns 5% interest each year, the expression that shows the correct balance is A = 400(1 + 0.05)(1 + 0.05)(1 + 0.05)
The principal amount = $400
interest rate = 5%
The equation of the simple interest
A = P (1+ rt)
Where A is the final amount
P is the principal amount
r is the interest rate
t is the time period
The final amount after one year
= 400( 1 + 0.05×1)
= 400(1 + 0.05)
The final amount after two year
= 400(1 + 0.05)(1 + 0.05)
The final amount after three year
= 400(1 + 0.05)(1 + 0.05)(1 + 0.05)
Therefore, the balance amount after three years is A = 400(1 + 0.05)(1 + 0.05)(1 + 0.05)
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The distance between Dallas and Houston is about 364 kilometers. There are approximately
measurement is closest to the number of miles between these two towns?
Answer
A 227.5 miles
B 582.4 miles
C 40 miles
D 372 miles
In a case whereby the distance between Dallas and Houston is about 364 kilometers the approximately measurement is closest to the number of miles between these two towns is A 227.5 miles.
How can the the approximately measurement be determined?The concept that will be used here is unit conversion. It should be noted that 1 Mile = 1.609344 kilometres.
Then Xmile = 364 kilometers
We can cross multiply to have
Xmile =364 kilometers/1.609344 kilometres.
=226.179
Hence the closest to the number of miles is A 227.5 miles
Therefore, option A is correct.
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how to convert 26kg 45g in kg
Step-by-step explanation:
45g = 0.045kg
0.045 + 26 = 26.045
Final answer is 26.045 kg
I need help with this one?
Rectangle A is similar to Rectangle B. The solution has been obtained by using concept of similar quadrilaterals.
What are similar quadrilaterals?
When all three matching angles are the same (the fourth angle automatically becomes the same because the internal angle sum equals 360 degrees) and two neighboring sides have the same ratio, two quadrilaterals are said to be similar.
We are given four rectangles with different dimensions.
First considering Rectangle A and Rectangle B
The dimensions of Rectangle A are 2 × 3 and that of Rectangle B are
8 × 12.
For the triangles to be similar, ratio of sides must be equal.
In this, the ratio is equal as the dimensions of Rectangle B are 4 times the dimensions of Rectangle A.
So, the rectangles are similar.
There is no other pair of rectangle which is similar.
Hence, Rectangle A is similar to Rectangle B.
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critical thinking, teamwork, leadership, and professionalism are some of the knowledge competencies needed for career readiness. True or False
Write the equation in standard form of the line y=1/9x+5
The equation in standard form is x - 9y = -45.
What is the Equation of a Line in Standard Form?The equation of a line in standard form is Ax + By = C, where x and y are variables and A, B and C are integers.
Given equation is y = 1/9 x + 5.
Here 1/9 is not an integer.
So multiplying the equation throughout by 9, we get,
9y = x + (5 × 9)
9y = x + 45
Subtracting both sides by x,
9y - x = 45
-x + 9y = 45
Multiplying throughout by -1,
x - 9y = -45, which is in standard form.
Hence the equation is x - 9y = -45 in standard form.
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A piece of wood is cut into 3 pieces A, B and C, in the ratio 2 : 3:5. If C
is longer than B by 8 cm, find the length of the stick.
Answer:
18 cm
Step-by-step explanation:
Let's assume that the length of the stick is x cm.
Then, the lengths of pieces A, B and C would be 2x/10 cm, 3x/10 cm, and 5x/10 cm respectively.
Since C is longer than B by 8 cm, the length of C is 3x/10 + 8 cm, and the length of B is 3x/10 cm.
Therefore, the total length of the stick would be:
x = 2x/10 + 3x/10 + (3x/10 + 8)
x = 10x/10 + 8
x = 10 + 8
x = 18 cm
So, the length of the stick is 18 cm.
Answer: 20 cm
Step-by-step explanation:
create an equation.
2x : 3x : 5x
We are also told C is longer than B by 8 cm. So,
A : x : x+8
If 5x = x+8, solve for this: 4x = 8 so x =2.
Now, we can plug back in the original values.
2(2) + 3(2) + 5(2) = 20.
the stick is 20 centimeters long.
Find −23−(−12). Write your answer as a fraction or mixed number in simplest form
The simplest fraction form of an expression, (- 2/3) - (-1/2) is equals to the -1/6.
A fraction is a number that represents a part of whole. It is expressed as quoitent, in which numerator is divided by denominator. For ex : 3/4 is a fraction, where 3 is numerator and 4 is denominator. We have an expression, (- 2/3) - (-1/2). This expression is substraction of two rational number and both are negative rational numbers. Using sign law of multiplication: - × - = + , i.e., multiplation of two negative numbers result positive number.
=> - 2/3 + 1/2
Both fraction has different denominators. Write as least common multiple of 2 and 3, i.e., LCM(2,3)= 6
=> ( -2 × 2 + 3 )/6
Simplify the expression as possible
=> (- 4 + 3 )/6
=> - 1/6
This is the needed simplified fraction. Hence, The solution in simplest fraction is -1/6.
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A rectangular prism is 3 yards long, 2 yards wide, and 12 yards high. What is the surface area of the rectangular prism?
The total surface area of the rectangular prism is 24 * 2 + 36 * 2 + 6 * 2 = 72 + 72 + 12 = 156 square yards.
The surface area of a rectangular prism is given by the sum of the areas of its six faces. To find the surface area of a rectangular prism that is 3 yards long, 2 yards wide, and 12 yards high, we need to find the area of each of its four rectangular faces and then add these areas together.
First, we find the area of the two faces that are 2 yards wide and 12 yards high. Each of these faces has an area of 2 * 12 = 24 square yards.
Next, we find the area of the two faces that are 3 yards long and 12 yards high. Each of these faces has an area of 3 * 12 = 36 square yards.
Finally, we find the area of the two faces that are 3 yards long and 2 yards wide. Each of these faces has an area of 3 * 2 = 6 square yards.
So, the total surface area of the rectangular prism is 24 * 2 + 36 * 2 + 6 * 2 = 72 + 72 + 12 = 156 square yards.
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in a pond the ratio of newts to toads was 3:4. 9 more toads then entered the pond and the ratio of newts became 3:5
Answer: As the ratio of newts and toads, 3:4
Step-by-step explanation:
A meat dish needs to remain at 185°F in order to stay safe to eat. If the dish comes
out of the oven at 425°F and decreases 15°F every five minutes, how long is it safe to eat?
It takes 1 hour, 20 mins for it to be safe to eat.
How to determine this
If a dish needs to remain at 185°F
And come out at 425°F
So, the difference = 425°F - 185°F
=240°F
If it decreases at 15°F for 5 minutes = 240/15
= 16°F for 5 minutes
= 16 * 5
= 80 minutes
And when converted to hour,
1 hour, 20 mins
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The top of a tree broken by the wind made an angle of 45° with the ground. If the distance of the point where the top touched the ground from the foot of the tree is 30 ft, find the height of the tree before it was broken. Ans: 72.43 ft
The height of the tree before it got broken is given as 72.43 feet
How to solve for the heightwe have
the angle made at 45 degrees
The top touched the ground from 30 feet
we have tan 45 = x / 30
1 = x /30
x = 30
cos 45 = 1 / √2
1 / √2 = 30 / y
y = 30√2
the height = x + y
= 30 + 42.43
= 72.43
The height of the tree before it was broken is 72.43 ft
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What is BD?
please help!!
The length of BD in the triangle is 24 units.
How to find the side of a triangle?The triangles are similar by angle bisector theorem. The angle bisector theorem states that the angle bisector of an angle of a triangle divides the opposite side into two parts that are proportional to the other two sides of the triangle.
Therefore, let's find BD.
Hence, using the proportion,
12 / 20 = x / x + 6
cross multiply
12(x + 6) = 20x
12x + 72 = 20x
72 = 20x - 12x
72 = 8x
divide both sides by 8
x = 72 /8
x = 9
Therefore,
BD = x + x + 6 = 2x + 6
BD = 2(9) + 6
BD = 18 + 6
BD = 24 units
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Match each pair of equivalent values.
1.
square root of 16
2. square of 8
3. 42
4. 12
5. √4
6. √144
k
16
1
4
2
64
12
Answer:
1 -
12 - ?
4 - square root of 16
64 -
16 -
2.828 - square root of 8
Step-by-step explanation:"
I need more terms to match them.
Which of the following statements is true? Uso la computadora en la cafetería. Hago ejercicio en el laboratorio de ciencias. Nado en la piscina..
Answer:
Nado en la piscina..Step-by-step explanation:
ICA 2023
The equation 7(2W + 3) = 14W + 20 has no solutions. Change one term in the original equation to create a new equation with infinitely many solutions.
The equation with infinitely many solutions is given as follows:
7(2W + 3) = 14W + 21.
How to obtain the equation with infinitely many solutions?
The system of equations for this problem is defined as follows:
7(2W + 3) = 14W + 20.
Applying the distributive property to the left side, we will have that:
14W + 21 = 14W + 20.
The two lines have the same slope but different intercepts, hence the system contains zero solutions.
To contain an infinite number of solutions, they must have the same slope and the same intercept, then the equation is given as follows:
7(2W + 3) = 14W + 21.
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Step-by-step explanation:
=
[tex]7(2w + 3) = 14w \\ 14w + 21 = 14w \\ 14w - 14w = - 21 \\ 0 = - 21 \\ = - 21[/tex]
PLS HELP! Write 5x = -2y + 6 in slope intercept form and explain your answer
Answer: 5/2x-3
Step-by-step explanation: you would subtract 6 from both sides.
5x = 2y + 6
-6 -6
6-6=0 so they would cross out. and you can't subtract 5x from 6 because they aren't like terms. Your new equation would look like 5x-6 = 2y.
Now you need to get the y alone. To do that you need to divide everything by 2 so that the 2y crosses out. 5x-6 = 2y
-----------------
2 2 2
I'm trying to visually show it sorry if it looks weird. one you divide everything. (5/2) (-6/2) (2/2) you'll need to clean everything up.
Since you can't simply 5/2 leave it as a fraction. Which makes your answer: 5/2x - 3 = y or y = 5/2x - 3
PLEASE HELP 20 POINTS
Turning 180° counterclockwise is essentially the same thing as a horizontal flip about the y axis.
That means C will find itself on the opposite side of the x axis, with negative inputs. However, it is still above the x axis, so it will have a positive y coordinate.
Your answer should be (-3,1)
If five bags of mulch covers 32 square feet,
how many square feet could 16 bags cover?
Answer:
102.4 square feet
Step-by-step explanation:
1. divide 32 by 5 to find how much square feet one bag of mulch covers
2. multiply that number (6.4) by 16 to find how many square feet 16 bags of mulch would cover
Answer:102.4 ft
Step-by-step explanation: do the math 32/5 = 6.4 6.4x16=102.4 ft
Which scatter plot most likely has a line of best fit represented by y = 3x + 1?
The graph showing the line of best fit for the function y = 3x + 1 is attached below
What is line of best fitThe line of best fit is a line that is used to represent the relationship between two variables in a scatterplot. It is a line that passes through the center of the data points in the scatterplot in such a way that the total distance between the line and the data points is minimized. The line of best fit can be used to make predictions about the value of one variable based on the value of another variable. There are several methods to obtain the line of best fit, including the method of least squares, which finds the line that minimizes the sum of the squares of the differences between the observed values and the values predicted by the line.
In the problem given, the line of best fit the line of best fit can be plotted on a graph using a graphing calculator.
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The Atlas V Rocket could go 1 full mile in just 110 of a second. How fast did it travel?
The speed of the Atlas V Rocket was approximately 8,727.27 miles per hour, based on the given information that it could go one mile in 0.11 seconds.
To find the speed of the Atlas V Rocket, we need to use the formula:
speed = distance / time
In this case, the distance is 1 mile, which is equal to 1609.34 meters. The time is 110th of a second, which is equal to 0.1 seconds (since there are 10 tenths in a second).
So, plugging these values into the formula, we get:
speed = 1609.34 meters / 0.1 seconds
speed = 16093.4 meters per second
Therefore, the Atlas V Rocket traveled at a speed of 16093.4 meters per second.
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In a group of 70 college students, 24 own only a laptop, 20 own only a desktop, 16 own both a
laptop and a desktop, and 10 own neither a laptop nor a desktop. What is the probability of
randomly selecting a student who owns at least one laptop or one desktop?
Answer:
85.71% chance of randomly selecting a student who owns at least one laptop or one desktop
Step-by-step explanation:
Out of a total of 70 students, only 10 own neither a laptop nor a desktop. This means that the probability of selecting a student with at least one of the two is [tex]\frac{60}{70}[/tex] or [tex]\frac{6}{7}[/tex].
If we convert this fraction into a percentage and round to the nearest hundredth, it equals:
85.71%
1. The volume of the cone is 27pi what is the volume of the cylinder
with the same radius and height
The height is 9 units
V = 763.407015 m
Please! I really need help.
The answers are given as follows:
2
a)
A = 8
b = 10
x = 118°
y = 62°
b)
a = 8
b = 15
y = 50
x = 100°
3)
(a)
∠2 = 25°
∠3 = 65°
∠4 = 65°
∠5 = 90°
(b)
since SL = 10,
i) LT 10
ii) TM = 10
iii) SM = 10
4)
a) Since m∠118
∠2 = 18°
∠3 = 72°
∠4 = 72°
If FA = 27, then LO = 13.5
The above are resolved using the properties of Parallelograms; Rhombus, and Rectangle
Since the above answers are justified by the qualities or properties of :
Parallelograms; Rhombus, and Rectangle, lets look at them one by one.
2
a)
A = 8 - opposite sides of a parallelogram are equal in length
b = 10 -opposite sides of a parallelogram are equal in length
y = 62° - opposite angles of a parallelogram are of equal measure.
x = 118° - Sum of angles of a parallelogram - 360°. x = (360 - (62*2))/2
= 118°
3)
(a) Here we have a Rhombus.
∠2 = 25° - Opposite angles of a rhombus are equal; Diagonals bisect the angles of a rhombus. Thus ∠1≅∠2
∠3 = 65° - Since diagonals bisect each other at right angles, ∠3 = 180 - (25+90) = 65°
∠4 = 65° - Diagonals bisect the angles of a rhombus. Thus, ∠3≅∠3
∠5 = 90° - [properties of a Rhombus]
(b)
since SL = 10,
i) LT 10 - All sides of a Rhombus are equal
ii) TM = 10 - All sides of a Rhombus are equal
iii) SM = 10 - All sides of a Rhombus are equal
4) Here we have a Rectangle.
a) Since m∠18
∠2 = 18° because The diagonals bisect each other; and both the diagonals have the same length. Thus, m∠2≅∠1 (AAS)
∠3 = 72° - Each interior angle is equal to 90 degrees. Thus, m∠ = 90-18 = ∠72°
∠4 = 72° - because The diagonals bisect each other; and both the diagonals have the same length. Thus, m∠4≅∠3(AAS)
If FA = 27, then LO = 13.5 - The diagonals bisect each other.Thus,
LO = FA/2
LO = 27/2
LO = 13.5
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The length of a rectangle is three times its width and its perimeter is 120 feet.
What are the dimensions?
Answer: Width = 45 feet; Length = 15 feet;
Step-by-step explanation: Start by substituting 3w for the length because it says that in the problem. We know that 2(L+W) equals the perimeter. Since we substituted 3w for length we get 8w for the perimeter. Divide 120 by 8 to find that the width is 15 feet and plug it into 3w to get the length of 45 feet.
Answer:
45 feet and 15 feet are the length and width
Step-by-step explanation:
P = 120 feet
a (length) = 3 * b (width)
P = 2 * (a + b)
P = 2 * (3b + b)
P = 2 * 4b
P = 8 * b
=> 8b = 120 feet
P = 120 feet
b = 120 / 8
b = 15 feet
a = 3 * b
a = 3 * 15
a = 45 feet
Build Perseverance Find the measure of angle A and angle B for the given situation.
complementary angles A and B, where m
m
Answer:
2673+$&$ᷓ+62578
HELP PLEASE!!!
Solve for the y-intercept given a slope of -2 and a point of (3,-2)
After solving for the line with slope as -2 and point (3,-2) , the y intercept is (0,4) .
We use the Point Slope form of a linear equation to write the equation of a line given its slope and a point on the line.
So , the point slope form is ⇒ y - y₁ = m(x - x₁) ;
Where m = slope , and (x₁, y₁) = point on line .
So , by using the slope (m = -2) and point (x₁, y₁) = (3, -2),
Substituting these values and simplifying further ,
We get ; ⇒ y -(-2) = (-2)×(x - 3) ;
⇒ y + 2 = (-2)×(x) + (-2)×(-3) ;
Subtracting 2 from both sides,
we have ;
⇒ y = -2x + 4
The y intercept of line is value of "y" when x = 0.
So , we substitute x = 0 in the equation of line y = -2x + 4 ;
that means ⇒ y = -2(0) + 4 ;
⇒ y = 4 .
Therefore, the y intercept of the line with slope "-2" and passing through the point (3, -2) is (0, 4).
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two paintings in an art display have shapes that are similar figures. the similarity ratio is 9:7. the perimeter of the smaller painting is 6 meters. which is the perimeter of the larger painting to the nearest tenth?
Two paintings in an art display have shapes that are similar figures. the similarity ratio is 9:7 and the perimeter of the smaller painting is 6 meters therefore the perimeter of the larger painting to the nearest tenth is 7.7 meters.
What is Perimeter?This is referred to as the total distance around a two-dimensional shape.
Perimeter of the smaller painting is 6 meters and similarity ratio is 9:7
9 = x
7 = 6
7x = 54
x = 54/7 = 7.7 meters.
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