Answer:
A) 25 hrs
Step-by-step explanation:
1 hour = 3,600 secs
90,000 ÷ 3,600 = 25
So, there are 25 hours in 90,000 seconds.
Answer:
25 hours are in 90,000 seconds
Step-by-step explanation:
3,600 sec = 1 hr
90,000 sec = 25hrs
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please help ive been stuck on this problem for so long ! T_T
Answer:
b = 128.3 inches
Step-by-step explanation:
We know Angle A is 41° and the HYPOTENUSE (the longest side) is 170. We're looking for side b, which is the ADJACENT side (adjacent means next to, like it's literally a part of the angle A) The trig function that puts together ADJ and HYP is the cosine function.
cos 41 = ADJ/HYP
cos 41° = b/170
170cos 41° = b
You need a calculator to get a value for cos 41°. You could put in the entire 170cos41° into a calculator all at once.
128.3 = b
b = 128.3 inches
Which panda was heavier when born
Answer: The one on the left.
Step-by-step explanation:
There is no file, but the panda on the left is bigger.
what is the answer to this problem
x=y+2 5x+2y=-18
Answer:
x=-2, y=-4
Step-by-step explanation:
Substitute x=y+2
Simplify [ 7y +10 = -18 ]
Substitute y = -4
Simplify x = -2
An object is moving at a speed of 6 yards every 2. 5 minutes. Express this speed in miles per month. Round your answer to the nearest tenth
Answer:
First, we can convert the speed to yards per minute: 6 yards / 2.5 minutes = 2.4 yards/minute.
Next, we can convert yards to miles: 1 mile = 1760 yards, so 2.4 yards/minute * (1 mile / 1760 yards) = 0.00136 miles/minute.
Finally, we can convert minutes to months: 1 month = 43800 minutes (assuming an average month has 30.42 days), so 0.00136 miles/minute * (43800 minutes / 1 month) ≈ 59.6 miles/month.
So, the speed of the object is approximately 59.6 miles per month, rounded to the nearest tenth.
Step-by-step explanation:
If all of the diagonals are drawn from a vertex of a pentagon, how many triangles are formed?
2
3
4
5
Can someone help me ?
PLS PLS i need step by step please and undefined numbers to be shown please THANK YOU!
1)The expression 4x^2-16x+12/x^2-9 is undefined when the denominator, x^2-9, equals zero because division by zero is undefined.
x^2-9 equals zero when x equals 3 or x equals -3. Therefore, the expression is undefined at x = 3 and x = -3. In all other cases, the expression is defined.
2) The given expression is:
(5-2x)/(x+2) + x^2/(x^2-4) - 5
To simplify this expression, we need to first find the LCD (least common denominator) of the two fractions. The denominator of the first fraction is x+2, and the denominator of the second fraction is x^2-4, which can be factored as (x+2)(x-2). So the LCD is (x+2)(x-2). Now we can rewrite the expression with this common denominator:
[(5-2x)(x-2) + x^2(x+2) - 5(x+2)(x-2)] / [(x+2)(x-2)]
Expanding the brackets and simplifying, we get:
(-x^3 - 3x^2 - 3x + 5) / [(x+2)(x-2)]
This expression is undefined when the denominator, (x+2)(x-2), equals zero because division by zero is undefined.
(x+2)(x-2) equals zero when x equals -2 or x equals 2. Therefore, the expression is undefined at x = -2 and x = 2. In all other cases, the expression is defined.
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Jan says that 2 is between 0 and 3/4 on a number line. Do you agree? Why or why not?
Answer:
No
Step-by-step explanation:
2 is a positive whole number with a value greater than 1. 3/4 is NOT greater than 1. So 2 is greater than both 0 AND 3/4 and cannot be between the two numbers.
No, Jan is wrong because 2 is not in between 0 and 3/4 on a number line.
What is Number line?
Number line is a horizontal line where numbers are marked at equal intervals one after another form smaller to greater.
Given that;
Jan says that 2 is between 0 and 3/4 on a number line.
Here, The numbers on the number line are 0 and 3/4.
⇒ 3 / 4 = 0.75
So, We get;
⇒ 2 > 0
And, 3/4 < 2
Thus, The number 2 is not in between 0 and 3/4 on a number line.
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What Transformation creates similar triangles?
a. Dilation
b.Rotation
C.Reflection
d.Translation
Answer:
translation
Step-by-step explanation:
Suppose EG = 3, EV = 8, A F= 7, mebg = 19, megf = 28, and mcae= 51. Find each value.
Answer:
29) EF is 3
30) AG = 11
31) AD = 4
32) m∠EFG 28°
33) m∠CAF = 32°
34) DF = 3
Step-by-step explanation:
29) EF is given as being congruent to EG, therefore, EF = EG = 3
30) AE = EB = 8 Given
AG = AE + EG Segment addition postulate
AG = AE + EG = EB + EG = 8 + 3 = 11 Transitive property
31) m∠EAD = m∠EBG = 19° Given
m∠DFG + m∠EGF + m∠EAD = 180° Sum of angles of a triangle
∴m∠DFG = 180° - (m∠EGF + m∠EAD) = 180° - (28° + 19°) = 133°
A F = 7 Given
DF = EG = 3 Given
AD = A F - DF = 7 - 3 = 4 From segment addition postulate
32) m∠EFG = m∠EGF = 28° Given
33) m∠CAE = 51° Given
m∠CAE = m∠CAF + m∠EAD Angle addition postulate
∴ 51° = m∠CAF + 19°
m∠CAF = 51° - 19° = 32° Subtraction of angles
m∠CAF = 32°
34) DF = EG = 3 Given.
if it takes 9 days for 4 workers to build a garage how long would it take 3 workers
Answer: 6 days and 18 hours
Step-by-step explanation: 9/4=1.25 1.25x3=6.75 and so on
What is the greatest common factor of 6930 and 288?
The greatest common factor (GCF) of 6930 and 288 was found to be 6 using the prime factorization method.
First, we can find the prime factorization of each number:
6930 = 2 × 3 × 5 × 7 × 11 × 3
288 = 2⁵ × 3²
Next, we identify the common factors of both numbers by looking for the prime factors that they share. The prime factors that are common to both numbers are 2 and 3.
The highest power of 2 that is a factor of both numbers is 2¹, and the highest power of 3 that is a factor of both numbers is 3¹.
Therefore, the GCF of 6930 and 288 is:
GCF(6930, 288) = 2¹ × 3¹ = 6
So, the greatest common factor of 6930 and 288 is 6.
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Find two consecutive whole numbers that
80 lies between.
Answer:
9 and 8
Step-by-step explanation:
It is 9 and 8 since 9^2 is 81 and 8^2 is 64 and they are the powers that 80 lies between.
A monopoly player claims that the probability of getting a when rolling a six-sided die is because the die is equally likely to land on any of the six sides. Is this an example of a theoretical probability or an empirical probability? explain.
It is an illustration of theoretical probability.
Theoretical probability establishes the probability of certain events occurring.
The ratio of the entire number of conceivable possibilities to the intended outcome is known as theoretical probability.
In this case, the intended consequence is earning a 2, which is only one of the six potential possibilities. The possibility of receiving a 2 is.
Observance determines empirical probability. Nothing about the observing of the specified episode is indicated in the question, hence it is not an empirical probability.
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Use place value to explain each step in finding
3 x 2,746
The value of the given expression 3 x 2,746 is 8,238.
We are given the expression:-
3 x 2,746
We have to find the value of the given expression using place value.
According to the data given in the question, we can write,
In 2746,
The place value of 6 is 6
The place value of 4 is 4*10 = 40
The place value of 7 is 7*100 = 700
The place value of 2 is 2*1000 = 2000
Hence, we can write,
3*2746 = 3*2000 + 3*700 + 3*40 + 3*6 = 6000 + 2100 + 120 + 18 = 8,238.
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will mark brainliest
Answer:
it's in a pattern if you can figure it out you will get you will get your answer
Step-by-step explanation:
Geometry: Rectangular Prism
Answer:
density = 22.35 g/30 cm^3 = .745 g/cm^3
A is the correct answer.
Answer:
0.75
Step-by-step explanation:
The density of a material is defined as its mass per unit volume. In this case, we are given the mass of the wooden prism and its dimensions, so we can calculate its volume and then use the formula for density.
The volume of the rectangular prism is:
V = l x w x h = 3 cm x 2 cm x 5 cm = 30 cm³
where l, w, and h are the length, width, and height of the prism, respectively.
The density of the wooden prism is then:
density = mass / volume
density = 22.35 g / 30 cm³
density = 0.745 g/cm³
Therefore, the density of the wood that the rectangular prism is made of is 0.745 g/cm³.
Please help me thanks please
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Answer:
38
Step-by-step explanation:
(4² - (4 - 2)²) × 3.14 = 37.68 ≈ 38
Which is the greatest to least, 12 3/4, 12 3/5 and 12.7
Answer:
12 3/4, 12.7, 12/5
Step-by-step explanation:
12 3/4 = 12.75
12 3/5 = 12.6
Answer:
12.75, 12.70, 12.60
Step-by-step explanation:
12 3/4 = 12.75
12 3/5 = 12.60
12.7 = 12.70
Explain to someone who has forgotten the even-odd properties of sinusoidal functions how the addition and subtraction formulas can determine this characteristic for f (x) = sin(x) and g(x) = cos(x). (Hint: 0 − x = − x )
Therefore, From the above equations, we can see that sin(x) is odd, and cos(x) is even. To summarize:
sin(-x) = -sin(x) (odd function), cos(-x) = cos(x) (even function)
To understand the even-odd properties of sinusoidal functions, let's first recall that an even function satisfies f(-x) = f(x) and an odd function satisfies f(-x) = -f(x).
Now, consider the sinusoidal functions f(x) = sin(x) and g(x) = cos(x). We can use the addition and subtraction formulas for sine and cosine to determine their even-odd properties.
The addition and subtraction formulas are as follows:
1. sin(a + b) = sin(a)cos(b) + cos(a)sin(b)
2. cos(a + b) = cos(a)cos(b) - sin(a)sin(b)
Let a = x and b = -x. Then, we get:
1. sin(x - x) = sin(x)cos(-x) + cos(x)sin(-x)
2. cos(x - x) = cos(x)cos(-x) - sin(x)sin(-x)
Since sin(-x) = -sin(x) and cos(-x) = cos(x), we can simplify:
1. sin(0) = sin(x)cos(x) - cos(x)sin(x) => 0 = 0
2. cos(0) = cos(x)cos(x) + sin(x)sin(x) => 1 = cos^2(x) + sin^2(x)
Therefore, From the above equations, we can see that sin(x) is odd, and cos(x) is even. To summarize:
sin(-x) = -sin(x) (odd function), cos(-x) = cos(x) (even function)
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BUNGEE JUMPING Trevor is bungee jumping off of a bridge into a canyon that is 400 feet deep. Trevor's bungee cord is 9 feet more than ten times the distance between Trevor and the bottom of the canyon at the end of his jump. If Trevor is 6 feet tall and the bungee cord is attached to his feet, what will be his height above the bottom of the canyon at the end of his jump? Measure the height from Trevor's head to the bottom of the canyon.
The height above the bottom of the canyon at the end of his jump is 385 feet.
we have,
Canyon depth = 400 feet
Trevor's height= 6 feet
cord length = 9 feet
So, Trevor height to end of jump is
= 400 - (9+6)
= 400 - 15
= 385 feet
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I’m confused please help me with this photo
Answer:
(9,0)
Step-by-step explanation:
Since we know that M is halfway of point A from the origin, to find point M, take half of point A's x-intercept.
(18,0) halfway from the origin would be (9,0).
Waiting in Line You're attending a concert with five friends but each of you arrived at the venue at different times. The fractions below tell you how much of the distances they have already moved since they got in line (think about fractions as area models if you need help)
You3/4 Andrea 1/2 Bart4/5 Camden7/8 Drake3/7 Ethan 2/3
Questions:
1: Who do you know is not going to get in the gate first?
2: How do you know
3: Place each person on a number line to show where they are between and the start to finish
4 : Who is getting in the gate first? Whos is getting in the gate last?
Answer:
it's 2
Step-by-step explanation:
I try my best to answer
Please help as soon as possibleeeee
thank you so much.
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A concession stand sells walking tacos for $3 each and boxes of popcorn for $1 each. Wayne has $10 to spend.
-----
The function y = 10 - 3x represents the number of walking tacos (x) and boxes of popcorn (y) that Wayne can buy.
----
Interpret the ordered pair ( 2 , 4 ).
--------------
1) Wayne can buy 2 walking tacos and 4 boxes of popcorn.
2) Wayne can buy 2 boxes of popcorn and 4 walking tacos.
3) None of the above
is it #1,2, or 3?
please only answer if you are sure
thanks again :)
Wayne can buy 2 walking tacos and 4 boxes of popcorn.
====================================================
Explanation:
x = number of tacos
y = number of boxes of popcorn
3x = amount spent on all the tacos only ($3 per taco)
1y = amount spent on all the popcorn only ($1 per box of popcorn)
3x+1y = total amount spent for both food types combined
3x+1y = 10 since Wayne has $10 to spend
The equation solves to y = 10-3x
------------------
If we plugged in x = 2, then,
y = 10-3x
y = 10-3*2
y = 10-6
y = 4
Telling us that x = 2 and y = 4 pair up together. The point (2,4) is on the line y = 10-3x
Since x is the number of tacos and y is the amount of popcorn, this means (x,y) = (2,4) indicates that:
Wayne can buy 2 tacos and 4 boxes of popcorn
This is why the answer is choice (1).
Choice (2) is incorrect because it has the numbers swapped in the wrong spots.
What what is this help please
138. Copy List with Random Pointer
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.
Return a deep copy of the list.
After creating all the new nodes, we can traverse the original list again and set the random pointers of each new node based on the mapping stored in the hash map. Finally, we can return the head of the new list.
This problem requires creating a deep copy of a linked list that contains an additional random pointer for each node.
The random pointer can point to any node in the list or be null.
To solve this problem, we need to traverse the original linked list and create a new node for each node in the original list. The new node should have the same value as the original node and a null random pointer. We can store a mapping between the original node and the new node in a hash map.
After creating all the new nodes, we can traverse the original list again and set the random pointers of each new node based on the mapping stored in the hash map. Finally, we can return the head of the new list.
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Express as a trinomial.
(x-9)(x+4)
What is the perimeter of kite obde? 17 units 23 units 27 units 60 units
The perimeter is the sum of all sides. Then the perimeter of the kite is 27 units, then the correct option is C.
What is Geometry?It deals with the size of geometry, region, and density of the different forms both 2D and 3D.
The length of the kite (x) will be given by the Pythagoras theorem
H² = P² + B²
H² = 15² + 8²
H² = 225 + 64
H² = 289
H = 17
Then
\(\rm x = \dfrac{H}{2} \\\\x = \dfrac{17}{2}\\\\x = 8.5\)
And another length of the kite is 5 units.
Then the perimeter of the kite will be
Perimeter = 2(8.5 + 5)
Perimeter = 27
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PLEASE HELPPPP!!!!!!
Answer:
option c. 50°
Step-by-step explanation:
parallelogram opposite side are parallel
let the two angle of angle abc be a,b
so,38°=b
and 12°=c(by alternate interior angle)
38°+12°=50°
Answer:
\(option \: c = 50.............. \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \)
A type of cracker, rectangular in shape, is stored in a vertical column with all of the crackers stacked directly on top of each other. each cracker measures 2 inches in length by one and one-half inches in width. the volume of the column is 15 inches cubed. if there are 40 crackers in the column, what is the height of each individual cracker? startfraction 3 over 40 endfraction inch one-eighth inch one-fifth inch three-eighths inch
The height of each individual cracker is one-eighth inch. Then the correct option is B.
What is Geometry?It deals with the size of geometry, region, and density of the different forms both 2D and 3D.
A type of cracker, rectangular in shape, is stored in a vertical column with all of the crackers stacked directly on top of each other.
Each cracker measures 2 inches in length by one and one-half inches in width.
The volume of the column is 15 inches cubed.
If there are 40 crackers in the column
The height of the cracker will be
\(\rm h = \dfrac{15}{1.5*2}\\\\h = 5\)
The height of each individual cracker will be
\(\rm h_c = \dfrac{5}{40}\\\\\\h_c = \dfrac{1}{8}\)
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Answer:
BStep-by-step explanation:
is the answer