Answer:
\(5cm ^{3} \)
Step-by-step explanation:
\(v = whl \\ = \frac{5}{2} \times \frac{4}{1} \times \frac{1}{2} \\ = \frac{20}{4} \\ = 5 {cm}^{3} \)
PLSSSS HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
There are 8 possible spaces that the spinner can land on. Of those, the options are 0, 1, 2, or 3.
There is one space that has 0 in it = 1 / 8 = 0.125
There are two spaces that have 1 in them = 2 / 8 = 0.25
There is one space that has 2 in it = 1 / 8 = 0.125
There are four spaces that have 3 in them = 4 / 8 = 0.5
Hope this helps!
PLEASE HELP PLEASE HELP
Answer:
x = 80
Step-by-step explanation:
the total of interior angles in a quadrilateral (any shape with only 4 sides) is 360
add the angles you're given
105 + 100 + 75 = 280
subtract that number from the total interior angles (360)
360 - 280 = 80
therefore, x = 80
hope this helps! have a lovely day!!
Solve for N. Express the solution in decimal form.
Answer:
N= 3.8
Step-by-step explanation:
Answer:
3.8
Step-by-step explanation:
i did this on iready and this was the answer.
Lillian is going to invest in an account paying an interest rate of 5.7% compounded continuously. How much would Lillian need to invest, to the nearest ten dollars, for the value of the account to reach $7,600 in 7 years?
Answer:
$5,155.7
Step-by-step explanation:
Using the compound interest formula;
Amount = 7600
Time = 7years
Rate = 5.7% = 0.057
Required
Principal
Substitute
A = P(1+r)^n
7600 = P(1+0.057)^7
7600 = P(1.057)^7
7600 = 1.4741P
P = 7600/1.4741
P = 5,155.69
Hence Lilian would need to invest $5,155.7 (to nearest ten dollars)
PLEASE HELP ME find the diagonal!!!!!!
Answer:
7.1
Step-by-step explanation:
Use the pythagorian theorum:
A^2 + B^2 = C^2
25 + 25 = c^2
50 = C^2
C = 7.1
Answer:
7.07106
Step-by-step explanation:
Use Pythagoras. a^2 + b^2 = c^2
(5)^2 + (5)^2 = c^2
25 + 25 = c^2
Square Root 50 = c
c = 7.07106
Which sequence shows the numbers in order from least to greatest?
A. -2.14<3.16227766017<2.8
B. 2.8<3.16227766017<2.14
C. 2.14<3.16227766017 <2.8
D. 2.14<2.8<3.16227766017
The sequence that shows the numbers in order from least to greatest is D. 2.14 < 2.8 < 3.16227766017.
The sequence that shows the numbers in order from least to greatest is D. 2.14 < 2.8 < 3.16227766017.What is the meaning of the inequality symbols?The inequality symbols are mathematical symbols that are used to compare two values.
They indicate the relationship between two values that are not equal to each other. Here are the inequality symbols:
< (less than)≤ (less than or equal to)> (greater than)≥ (greater than or equal to)What is the meaning of the sequence?
A sequence is a set of numbers arranged in a particular order. The order of the numbers in a sequence can be from smallest to largest or largest to smallest.
The sequence D. 2.14 < 2.8 < 3.16227766017 is arranged from smallest to largest because the first number in the sequence, 2.14, is the smallest, and the last number in the sequence, 3.16227766017, is the largest.
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2. Mr. Cautious has $10 in his wallet and decides to walk dogs for his neighbors to earn more money. He
charges $4 to walk each dog around the block. How many dogs will Mr. Cautious need to walk to have 130$ in his wallet?
Answer:
34
Step-by-step explanation:
1. What type of solutions would we get from the quadratic equation
f (x)= 3x2 + 8x + 2?
Answer:
Double root / x = -3
Step-by-step explanation:
numbers one - four
NO LINKS NO FAKE ANSWERS
23 points
Answer:
(1) 1 shows the rapid increase of people per unit time as it goes to ,2 the number started increasing at a low parse.
(2)The rapid decrease of people per unit time.
(3) 5 and 7 represent the constant number of people at that given time.
(4) The decrease of people
84 is 75% of what number?
Answer:
Let x be the number required,
x * 75% = 84
x = (100*84) /75
x = 112.
Therefore 84 is the 75% of 112.
Answer:
should be 112 :)
Step-by-step explanation:
84 = 75%
so 25% = 84÷3=28
28=25%
25% + 75% = 100% (the whole)
so 28+84=112.
You can use the inverse to work this out also :)
If 112 = 100%
56=50%
28=25%
Add the 50% to the 25% to get the 75%, which gives us 84 :)
so like could someone help me?
Answer:
he would be able to ride 4 miles
Step-by-step explanation:
20/5=4
The biker ride 4 miles in one hour.
What is Slope?The slope of a line can be calculated using the formula:
Slope = (change in y-coordinates) / (change in x-coordinates)
We can take two point from the graph as (0, 0) and (2, 8)
So, Slope = (change in y)/ (change in x)
Now, putting the values as
Slope= (8-0)/ (2-0)
Slope= 8/2
slope= 4
Thus, the biker ride 4 miles in one hour.
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Here is an expression: 4 ∙ 3ˢ Evaluate the expression when s is 1.
Help 25 points !!!!!!!!!!!
Answer:
1 -> 12s
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
Ok this is an easy one.
-1.5 multiplied by what will get me -1?
What is the slope of the following line?
Answer:c, the answer is c
Step-by-step explanation:
Select the two answers that describe the unit rate at which he walks.
1.5 seconds per meter
90 meters per second
30 meters every second
1.5 meters per second
1 meters every second
30 seconds per meter
The unit rate at which Darrell walks is 1.5 meters per second.
What is the unit rate?
A ratio that compares two amounts of DIFFERENT types of UNITS is called a rate. When a rate is expressed as a fraction, the denominator is 1 unit. Divide the numerator and denominator of the rate by the denominator to represent a rate as a unit rate.
Here, we have
Given
Darrell is walking for a distance of 90 meters in time 60 seconds.
We have to find the unit rate at which he walks.
To find out the unit rate we must divide the distance traveled by Darrell by the time taken to travel that distance.
The unit rate is given by :
Unit rate = Distance traveled in meters / Time taken in seconds
Unit rate = 90 meters / 60 seconds
Unit rate = 1.5 meters per second.
Hence, the unit rate at which Darrell walks is 1.5 meters per second.
In 60 seconds, Darrell walks 90 meters. Select the two answers that describe the unit rate at which he walks.
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Question 4/5
At East Village High School, 8% of the members of the men's cross
country team are left-handed, while an astounding 30% of the
members of the women's cross country team are left-handed. There are
75 runners on the men's team and 70 on the women's team. What is the
total number of women and men who run cross country at East Village
high school who are right-handed?
Answer:
27 people
Step-by-step explanation:
6 is for the men and 21 women
The diagram shows a triangle.
31° / 6x / x+16°
What is the value of x?
Step-by-step explanation:
31 + 6x + x + 16 = 180
7x + 47 = 180
7x = 180 - 47
x = 133/7
x = 19
which statement about the system equation y=3x+9andy=3x-4 is true
The statement which is true about the given system of equations as required is; The system of equations represents parallel lines.
Which statement is true about the system?As evident in the task content; The two equations given are;
y = 3x + 9 and y = 3x - 4
By comparison with the slope-intercept form equation of a line; y = mx + c;
The slope of both equations are equal while the y-intercepts are different.
Ultimately, the system of equations represents a pair of parallel lines.
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The chances of finding a rare card in a pack of trading cards can be represented with the equation y equals one twenty-second times x, where y represents the number of rare trading cards and x represents the number of packs of trading cards. Determine how many rare trading cards you would find if you bought 110 packs of trading cards.
2,420
22
5
one over 22
You will find 5 rare trading cards if you bought 110 packs of trading cards
How to determine the number of rare trading cards?
Given that:
The chances of finding a rare card in a pack of trading cards can be represented with the equation y equals one twenty-second times x.
Thus, we can the equation as:
y = (1/22)x
To determine the number of rare trading cards if you bought 110 packs of trading cards, substitute x = 110 into the equation:
y = 1/22 × 110
y = 5
Therefore, you will find 5 rare trading cards if you bought 110 packs of trading cards
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Answer:
Step-by-step explanation:
y = the number of rare trading cards found
x = the number of packs of trading cards
1/22 = the probability of finding a rare card per pack
Equation
y = 1/22(x)
y = 1/22(110)
y = 110/22
y = 5
There is a chance of finding 5 rare cards in 110 packs of trading cards.
Three students wrote equations on their dry erase boards.
Which of these students wrote an equation that is true?
Answer:
13/20 = 65%
Step-by-step explanation:
1/4 = 25%
7/10 = 70%
13/20 = 65%
Only the last one had the correct percentage.
Which of the following is the difference of two squares? O 8x2 - 16y O 49 - 16h O 100a" – 9612 O 25m2 + 100n?
Given:
\(8x^2-16y^2\)difference of two square is:
\(=8x^2-16y^2\)For 4g-16h
its is not a difference of two squares.
SO difference of two square is:
\(8x^2-16y^2\)what is the simplest interest rate if $126.77 in interest is earned on a deposit of $1434.85 in one year?
Answer:
9%
Step-by-step explanation:
Principal x interest rate=yearly interest
1434.85 x interest rate =126.77
interest rate = 126.77/1434.85
interest rate=.088 or 9%
Can anyone solve the following two maths?
In conclusion the team took 50 strokes to complete the final 500 meters of the race and at the end of the season, the team's mean split time should be 99 seconds.
How to find?
To find the answer to question 37, we know that the team rowed the final 500 meters in 108 seconds. We also know that they rowed at a rate of 28 strokes per minute during this split. To find out how many strokes they took to complete the final 500 meters, we need to convert the split time to minutes and then multiply by the stroke rate.
First, we convert the split time to minutes:
108 seconds ÷ 60 seconds per minute = 1.8 minutes
Then, we multiply by the stroke rate to find the total number of strokes:
1.8 minutes x 28 strokes per minute ≈ 50 strokes
Therefore, to the nearest whole number, the team took 50 strokes to complete the final 500 meters of the race.
To find the answer to question 38, we need to find the team's mean split time and then reduce it by 10%. The mean split time is found by taking the total race time and dividing by 4, since there are 4 splits in the race.
Total race time = 440 seconds
Mean split time = Total race time ÷ 4 = 110 seconds
To reduce the mean split time by 10%, we multiply it by 0.9:
New mean split time = 110 seconds x 0.9 = 99 seconds
Therefore, at the end of the season, the team's mean split time should be 99 seconds.
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the diagram shows the side view of a shed.Calculate the height of the shed
If the sides of rectangle are 3.2m and 2.4 m and the side of triangle be 2 m then the height of the figure is 3.6m.
Given the sides of rectangle are 3.2m and 2.4 m and the side of triangle be 2 m.
We are required to find the height of the figure.
Draw a perpendicular on the corner of triangle on the side of rectangle.
Now We have to give the names of the vertiex of the figure as A,B,C,D,E,F.
let AB=x,in this way DB=3.2-x.
In triangle ABC,
AB=\(\sqrt{4-x^{2} }\)---------1 [From pythagoras theorem]
In triangle ADB,
AB=\(\sqrt{4-(3.2-x)^{2} }\)-----------2 [From pythagoras theorem]
From 1&2
\(\sqrt{4-x^{2} }\)=\(\sqrt{4-(3.2-x)^{2} }\)
Taking square root both sides.
4-\(x^{2}\)=4-\((3.2-x)^{2}\)
\(x^{2}\)=\((3.2-x)^{2}\)
x=3.2-x
x+x=3.2
2x=3.2
x=1.6
Put the value of x in 1
AB=\(\sqrt{4-1.6^{2} }\)
=\(\sqrt{4-2.56}\)
=\(\sqrt{1.44}\)
=1.2
Total height=AB+CF
=1.2+2.4
=3.6
Hence if the sides of rectangle are 3.2m and 2.4 m and the side of triangle be 2 m then the height of the figure is 3.6m.
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How do I integrate this problem?
\(\int\limits\frac{4}{x^2+2} \, dx\) = \(2^{\frac{3}{2} }tan^{-1}(\frac{x}{\sqrt{2} })\) + C where C is the integrating constant.
What do you mean by integration?
The summing of discrete data is indicated by the integration. To determine the functions that will characterise the area, displacement, and volume that result from a collection of little data that cannot be measured separately, the integral is calculated.
The idea of integration has evolved to address the following issues:
once the derivatives of the problem function have been determined.
to determine the region enclosed by a function's graph under specific restrictions.
Given function f(x) = \(\frac{4}{x^2+2}\)
\(\int\limits\frac{4}{x^2+2} \, dx\)
Substitute u = \(\frac{x}{\sqrt{2} }\)
⇒ \(\frac{du}{dx} =\frac{1}{\sqrt{2} }\)
⇒ dx = \(\sqrt{2}\) du
= \(\frac{2^{\frac{5}{2}} }{2u^2+2}du\)
On simplifying
= \(2^{\frac{3}{2} }\)\(\int\limits\frac{1}{u^2+1} \, du\) .........(1)
Now \(\int\limits\frac{1}{u^2+1} \, du\) = \(tan^{-1} (u)\)
Substitute this value in equation (1)
= \(2^{\frac{3}{2} }tan^{-1}(u)\)
Substitute the value of u here
= \(2^{\frac{3}{2} }tan^{-1}(\frac{x}{\sqrt{2} })\)
Therefore, \(\int\limits\frac{4}{x^2+2} \, dx\) = \(2^{\frac{3}{2} }tan^{-1}(\frac{x}{\sqrt{2} })\) + C where C is the integrating constant.
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Y=arccos(1/x)
Please help me do them all! I don’t know derivatives :(
Answer:
Step-by-step explanation:
Danny charges $27 for 3 hours of swimming lessons, Martin charges $30 for 2 hours of swimming lessons. Who offers a better deal?
2 Find the dimensions of rectangle A. Then find the area
of rectangle A. Show your work.
The dimensions are 4√2 by 2√2
The area of the rectangle sketched is 16
Finding the dimension and the area of the rectangleFrom the question, we have the following parameters that can be used in our computation:
The rectangle
Where we have
Length = 4√2
Width = 2√2
using the above as a guide, we have the following:
Area = Length * Width
So, we have
Area = 4√2 * 2√2
Evaluate
Area = 16
Hence, the area of the rectangle is 16
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Find the exact length of the third side.
Answer:
5
Step-by-step explanation:
The answer is 5 I just used google.
Four different stores have the same digital camera on sale. The original price and discounts offered by each store are
listed below. Rank the stores from the cheapest to most expensive sale price of the camera.
Store A: price $99.99 and discount of 15%
Store B: price $95.99 and discount of 12%
Store C: price $90.99 and discount of 10%
Store D: price $89.99 and successive discounts of 5% and 5%
A, B, C.D
b. A, B, D, C
c. D, A, B, C
d. D, C, B, A
a.
Please select the best answer from the choices provided
Answer:
D, C, B, A
Step-by-step explanation:
Given the prices below:
Store A: price $99.99 and discount of 15%
15% discount :
Discounted price : (1 - 0.15) * $99.99 = $84.99
Store B: price $95.99 and discount of 12%
12% discount :
Discounted price : (1 - 0.12) * $95.99 = $84.47
Store C: price $90.99 and discount of 10%
10% discount :
Discounted price : (1 - 0.10) * $90.99 = $81.89
Store D: price $89.99 and successive discounts of 5% and 5%
5% discount :
Discounted price : (1 - 0.05) * $89.99 = $85.4905
5% discount :
(1 - 0.05) * $85.4905 = $81.22
Cheapest = store D, then then C, then B, then A
D, C, B, A
Answer:
is D on Edge
Step-by-step explanation: