The domain of the function for this situation is; s<= 7.
What is the domain of the function?It follows from the task content that the perimeter , p, of a square is a function of its side length, s. The perimeter of the square is 28 inches or less.
On this note it follows that;
P = 4s <= 28
Hence, it follows that; s<=7.
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A pet store has three fish tanks, each holding a different volume of water and a different number of fish.
Tank A holds 40 L and 5 fish. Tank B holds 100 L and 12 fish. Tank C holds 180 L and 23 fish.
Order the tanks by volume per fish from least to greatest.
B A C
Answer:
Step-by-step explanation:
Remark
The general formula is
Volume per fish = volume of water / number of fish
Givens
40 L and 5 fish
100 L and 12 fish
180 L and 23 fish
Solution
Tank A = 40 L / 5 fish = 8 L / fish
Tank B = 100 L /12 fish = 8.3 L / fish
Tank C = 180 L / 23 fish = 7.83L / fish
Answer
From Least to greatest = C A B
The tire's diameter is 1 meter, and it made 8000 rotations during the trip. How far did the bus travel?
The circumference of the tire = pi x diameter = 3.14 x 1 = 3.14 meters
every rotation the tire travels 3.14 meters
3.14 x 8000 = 25120 meters
1 kilometer = 1000 meters
25,120 meters /100 = 25.12 kilometers
answer: 25.12 kilometers
If the area of a round cricket oval is 27500 square meters, Find the distance from the centre of the ground to the boundary.
The distance from the centre of the ground to the boundary based on the area given is 93.58 meters.
How to calculate the distance?From the information given, the area of a round cricket oval is 27500 square meters. The information simply wants us to calculate the radius which will be calculated thus:
Area of a circle = πr²
πr² = 27500
(3.14) × r² = 27500
r² = 27500/3.14
r² = 8757.96
r = ✓8757.96
r = 93.58
Therefore, the distance from the centre of the ground to the boundary is 93.58 meters.
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The volume of the rectangular pyramid below is 3240 units^3
3
. Find the value of xx.
The pyramid with a volume of 3240 unit³, base of 20 by 18 unit has a height of 27 unit
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Volume of pyramid = (1/3) * area of base * height
Hence:
3240 = (1/3) * (20 * 18) * x
x = 27 units
The pyramid with a volume of 3240 unit³, base of 20 by 18 unit has a height of 27 unit
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13. How are squares and triangles the same? How are they different?
Answer:
Squares and triangles are both polygons and right triangles and squares both have at least one right angle. They are different because squares have 4 sides and triangles have 3. Also, triangle have a total of 180 degrees while squares have a total of 360 degrees.
Hope this helped you! I would appreciate a Brainliest if this helped! Have a good day!
Feng is starting a running plan to train for a race. In the first week of his running plan, Feng will run 15 miles. The plan calls for Feng to increase his weekly milage by 1.5 miles every week. If Feng sticks to the plan, how many miles would he be expected to run during his 15th week of the training plan?
Answer:
37.5 miles
Step-by-step explanation:
y = 1.5x + 15
1.5 * 15 = 22.5
22.5 + 15 = 37.5
Maisy got a score of 80% correct on an quiz. There were 30 questions on the quiz. How many questions did Maisy get correct?
Answer:
24 Questions answered correctly
Step-by-step explanation:
So as we know, 30/x = 100/80
100/80 = 1.25
Now we have 30/x = 1.25
Multiply both sides of the equation by x - (30/x)x = (1.25)x
Now we have 30 = 1.25x
Divide both sides by 1.25 - 30/1.25 = 1.25x/1.25
24 = xPLS HELP WILL GIVE BRAINLYEST!!! WHOEVER ANSWERS IN THE NEXT 2 HRS WILL GET 100 PTS.
(08.05;08.06 HC)
The box plot below shows the total amount of time, in minutes, the students of a class surf the Internet every day:
A box plot is shown. The left-most point on the plot is 20 and the right-most point is 95. The box is labeled 37.5 on the left edge and 60 on the right edge. A vertical line is drawn inside the rectangle at the point 50.
Part A: List two pieces of information that are provided by the graph and one piece of information that is not provided by the graph. (4 points)
Part B: Calculate the interquartile range of the data, and explain in a sentence or two what it represents. (4 points)
Part C: Explain what affect, if any, there will be if an outlier is present. (2 points)
Answer:
it shows that the least amount is 37.5 minutes it shows the most amount of time is 60 minutes one thing it does not show is how many students where in the class
Step-by-step explanation:
Answer:
this is for A Part A: it shows that the least amount is 37.5 minutes
it shows the most amount of time is 60 minutes
one thing it does not show is how many students where in the class
Step-by-step explanation:
Well, you need to know the aton mic weight of Platinum (Pt) and the number of atoms per mole. The answer to the former is 195.084 g/mole and the latter is 6.023 * 10^23 atoms/mole. Then, multiply everything as shown below:
Number of atoms = (1 g) * (1/195.084 g/mole) * 6.023 * 10^23 atoms/mole
Number of atoms = 3.087 * 10^21 atoms
Note, I’ve included units on everything and you can see that they all cancel except for atoms. Dragging the units along can be a pain but it is a great way to check that they way the numbers are being combined is
PLEASEEE HELPPPPP
Triangle A and Triangle B are similar triangles that have corresponding angle measures of 98 degrees and 43 degrees . What is the angle measure of the third angle in Triangle A and Triangle B?
Answer:
47 degrees
Step-by-step explanation:
Similar just means they may be different sizes but have the same angle measure. That means the angles will be identical in both triangles A and B.
All angles must add up to 180 degrees. We already have two angles, so we just need to find the last one. 90+43= 133.
180-133=47.
A circular railroad-crossing sign has a diameter of 30 inches.
Which measurement is closest to the area of the sign in square inches?
Diameter = 30
30/2 = 15 15 is the radius
To find area:
3.14 x 15 x 15 = 706.5
706.5 is the answer
In the parallelogram shown, ae = p − 8, ce = 2p − 58, and de = p 15. parallelogram a b c d is shown. diagonals are drawn from point a to point c and from point d to point b and intersect at point e. what is the length of line segment eb? 42 units 50 units 65 units 73 units
If diagonals are drawn from point a to point c . The length of line segment eb is 65 units.
Length of line segmentSince the diagonal of parallelogram bisect one another, hence:
AE=CE
EB=DE=P+15
P-8=2P-58
P=50
Hence:
EB=P+15
EB=50+15
EB=65 units
Therefore the length of line segment eb is 65 units.
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Good afternoon, the
correct answer is 65 units
The radius of a circle is 7 millimeters. What is the circle's circumference?
Answer:
The circumference of a circle with a radius of 7 millimeters is 44.0 (rounded to the nearest tenth).
Step-by-step explanation:
The circumference of a circle is the distance around the outside of the circle. The circumference along with the diameter and radius are the 3 major aspects of a circle.
The circumference of a circle is found using this formula:
[tex]c=2\pi *r[/tex] - or - [tex]c=\pi *d[/tex]For this problem, the radius has been given, so to solve, let's use the formula: [tex]c=2\pi *r[/tex].
It has been given that the radius is equal to 7 and the unit of measure is millimeters.
So to start, let's plug the radius in the formula.
It should look like this: [tex]C=2\pi *7[/tex]
After plugging the radius into the formula, we now have to multiply [tex]2\pi[/tex] by [tex]7[/tex]; resulting in: ≈ [tex]43.9823[/tex] (estimate)
Now rounding to the nearest tenth:
≈ [tex]44.0[/tex]
Question 8 of 25
A new auditorium is being built for a college. The balcony has 400 seats. The
floor has 50 rows with x seats in each row. The number of people in the
auditorium must be under 1300 to meet safety regulations.
What is the solution of this inequality, and what is its, meaning?
O A. 50x< 1300; The new auditorium must have fewer than 26 seats in
each row on the floor to meet fire safety regulations.
20
21
22
23
24
25
26
27
28
29
30
Inequalities help us to compare two unequal expressions. The number of seats in each row on the floor must be less than 18.
What are inequalities?Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed. It is mostly denoted by the symbol <, >, ≤, and ≥.
Given the balcony has 400 seats, and the floor has 50 rows with each row having x number of seats. Therefore, the number of seats on the floor will be,
Number of seats on floor = 50 × x = 50x
Since the total number of seats in the auditorium should be less than 1300, therefore, the inequality can be written as,
Number of seats in balcony + Number of seats on floor < 1300
400 + 50x < 1300
50x < 1300-400
50x < 900
x < 18
Hence, the number of seats in each row on the floor must be less than 18.
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In order to select new board members, the French club held an election. 20% of the 40 members of the club voted. How many members voted?
The number of members is an illustration of proportions, and there are 200 members in the club
How to determine the members that vote?The given parameters are:
French = 20%
French = 40
Let the number of members be x.
So, we have:
20% * x= 40
Divide both sides by 20%
x = 200
Hence, there are 200 members in the club
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Andy is 6.25 miles north of the center of town. william is at the center of town. at noon they both start walking north.
andy walks at a constant rate of 7.5 miles in 3 hours. william walks at a constant rate of 15 miles in 4 hours.
how many hours does it take william to catch up with andy?
Answer: 5 hours
Step-by-step explanation:
[tex]speed=\frac{distance}{time}[/tex]
Andy speed = 7.5/3 = 2.5 mph
William speed = 15/4 = 3.75 mph
1. Write an equation that represents the question
let h = # of hours it takes William to catch up with andy
2.5h + 6.25 = 3.75h
2. subtract 2.5h from both sides
6.25 = 1.25h
3. Divide 1.25 from both sides
[tex]\frac{1.25h}{1.25} =\frac{6.25}{1.25}[/tex]
h = 5
Therefore, we know it will take 5 hours for William to catch up with andy.
The perimeter of a rectangular corn field is 440 meters. The ratio
of its length to its width is 7:4. What is the length and width of
the field?
Answer:
Length: 140 meters
width: 80 meters
Step-by-step explanation:
perimeter of a rectangle is 2*(lw)
440/(14+8)=20
Length: 20*7=140 meters
width: 20*4=80 meters
What is the length of the equal sides of an isosceles right-angle triangle, with a hypotenuse of 15cm?
Answer:
8.66
Step-by-step explanation:
15/sqrt(3) = 8.66 (to nearest hundreth)
Here are pairs of equivalent expressions, one in standard form and the other in factored form. Find
the missing numbers.
1. x2 +
+
and (x – 9) (x - 3)
2. 22 – 9x + 20 and (x – 4) (x +
The first equation will be x²-12x+27=(x-9)(x-3). The second equation will be x²-9x+20=(x-5)(x-4).
What is an equation?An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
1. For the first equation to be complete, we need to expand the factors, therefore, we can write,
(x-9)(x-3)
= x² - 9x - 3x + 27
=x²-12x+27
Hence, the first equation will be x²-12x+27=(x-9)(x-3).
2. For the second equation to be complete, we need to factorise the left side of the equation, therefore, we can write,
x²-9x+2
= x²-5x-4x+20
= x(x-5)-4(x-5)
=(x-5)(x-4)
Hence, the second equation will be x²-9x+20=(x-5)(x-4).
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Answer:
Step-by-step explanation:
lern it yourself
How much times is 1,700,000,000 greater than 400,000,000
Answer:
4.25(Divided) or 1,300,000,000(subtracted)
I can give brainliest to the best answer, please help
Answer:
KPJ= 40 degrees
Step-by-step explanation:
EPG=35
EPG=FPK because they are symmetrical
135+105=140
180-140=40
DPE=40
DPE=KPJ because they are symmetrical
KPJ=40
(06.04)
Determine the solution to the system of equations graphed below and explain
your reasoning in complete sentences.
WILL MARK BRAINLIEST
Find if line M is a tangent line to circle B.
Answer:
No
Step-by-step explanation:
The tangent line must form a right angle with the radius
No, 4 5 6 isn't a right triangle
Answer:
Line m is not a tangent line to circle B.
Step-by-step explanation:
The tangent line to a circle is always perpendicular to the radius.
The line segment measuring 4 units is the radius of Circle B, therefore if line m is a tangent line to the circle, the angle between this segment and the segment measuring 5 units will be a right angle (90°).
We can use Pythagoras' Theorem to check if the triangle is a right triangle.
Pythagoras’ Theorem: [tex]a^2+b^2=c^2[/tex]
(where a and b are the legs, and c is the hypotenuse, of a right triangle)
Therefore, the legs are the line segments measuring 4 and 5, and the hypotenuse is the line segment measuring 6 units.
Substituting the values for the legs into the formula:
[tex]\implies 4^2+5^2=c^2[/tex]
[tex]\implies 16+25=c^2[/tex]
[tex]\implies 41=c^2[/tex]
[tex]\implies c=\sqrt{41}[/tex]
Therefore, as the hypotenuse of the triangle is not √41, the triangle is not a right triangle, and therefore line m is not a tangent line to circle B.
Someone please help I’m literally so close to finishing this assignment and schools almost over so I need to bring up my grade quick
Step-by-step explanation:
if that is a problem for the end of the school year, what problems did you solve during the year ?
this question needs one of the basic principles of angles :
the sum of all angles around one point on one side of a line is always 180°, because that line can be seen as the diameter of a circle, and the point is the center of that circle. so, all angles in one side of the line are representing a half-circle.
this special point here is clearly T.
and 85 + x = 180
x = 180 - 85 = 95°
Find the surface area of a square pyramid with side length 5 Fr and slant height 5 ft.
Answer:
75 ft²
Step-by-step explanation:
Surface Area :
Area (4 triangles) + Area (base)4 x 1/2 x 5 x 5 + 5 x 550 + 2575 ft²Given:
All sides are 5 feet in length.
To find:
The surface area of:
Square (base)4 Triangle SidesStep-By-Step-Solution:
Step 1
Find the surface area of the square (base)
Formula:
[tex]SA=L*W[/tex]
Find:
[tex]SA=5*5\\=25[/tex]
The surface area of the square (base) is 25ft²
Step 2
Find the surface area of the 4 triangles
We know that to find the surface area of 1 triangle, we do this:
[tex]SA=\frac{1}2} *B*H[/tex]
But to find the surface area of 4 triangle, we will have to do this:
[tex]SA=2*B*H[/tex]
Find:
[tex]SA=2*5*5\\=2*25\\=50[/tex]
The surface area of the 4 triangles in the sides are 50ft²
Step 3
Find the total surface area (by adding all SA's found before)
Just add! EASY!!!
25+50=75ft²
The total Surface Area of the Square Pyramid is 75ft²Which multiplication expression does the model show?
Which is a reasonable conclusion from the information presented in the bar graph? A. Germany won the fewest number of Olympic medals in the Summer Games of 2004. B. Russia won the most number of Olympic medals in the Summer Games of 2004. C. Australia won 20 Olympic medals in the Summer Games of 2004. D. Australia won more Olympic medals than the United States in the Summer Games of 2004.
It's really hard to see on the graph but the answer should be A. Germany won the fewest number of Olympic medals in the Summer Games of 2004.
If you read the other options, it doesn't make sense at all so through the process of elimination, A is the answer.
Answer:
A.Germany won the fewest number of Olympic medals in the Summer Games of 2004.
Step-by-step explanation:
because i took the quiz
3/4(x+2)=x-2 . solve for x
A professional painter knows that it takes 0.29 ounces of the paint he prefers to cover 1 square foot of wall. If he calculates that he will need 92.8 ounces of paint to cover an 8-foot wall, then how wide is the wall he is planning to paint?
Answer:
The wall is 40 feet wide.
Step-by-step explanation:
92.8 / 0.29 = 320 square feet
320 / 8 = 40 feet
1) How do we find surface area? (What is it?)
2) What is the surface area of this pyramid?
Answer:
1) First find the base, then one triangle face and multiply it by four
2) 360 units squared
Step-by-step explanation:
10*10 = 100
10*13 = 130
130*2 = 260
260 + 100 = 360
Answer:
Surface Area=360
Step-by-step explanation:
All the triangles of a square pyramid are congruent meaning you can find the area of 1 and multiply by to find the total surface area of all 4 triangles.
Area of a triangle formula= bh/2
Area of 1 triangle= 13*10/2=65
Multiply by 4 to find the total surface area of the triangles: 65*4=260
Then add the area of the square base.
Area of Square base=10*10=100
Add the total area of the triangles and square base: 260+100=360
a×b=2a+16 two positive consecutive even integers
The solution of the given two positive consecutive even integers will be a = 20 and b = 21
What is an integer?An integer is a number whose values are ranges from 0 to infinite positive and zero to infinite negative.
Given that :
2a-3b = -23
a and b are consecutive
Find:
a and b
Computation:
a = b - 1
So,
2a-3b = -23
2(b-1)-3b = -23
2b - 2 - 3b = -23
-b = -21
b = 21
So
a = b - 1
a = 21-1
a = 20
Hence the solution of the given two positive consecutive even integers will be a = 20 and b = 21
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