Answer:
The opposite of -5/14 is 5/14.
The opposite of a number is the same as multiplying it by -1. Any positive number is that same number negative.
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Answers:
If in regards to a number line; -5/14
If you meant opposite reciprocal; 14/5
Step-by-step explanation:
There really is no opposite however instead of giving you an answer based on assumption and/or the wrong answer, I'll define math terms which can be defined as 'opposite'
Numberline opposite:
Even though this is not a whole number, it still is merely a change of a positive/negative sign to find the opposite in regards to a number line;
Therefore, in this case, the opposite of -5/14 is 5/14
Opposite Reciprocal:
I was taught "Change, flip" which reading left from right means change the symbol of positive/negative to its opposite then flip the fraction.
Therefore the opposite of -5/14, in this case, is 14/5
Which statements are true about the solution of 152 22+x? Select three options.
O x2-7
OXS-7
The graph has a closed circle.
0-6 is part of the solution.
0-7 is part of the solution.
Answer:
it's a c e actually......
The true statements about 15 ≥ 22 + x are
x ≤ -7, the graph has a closed circle and -7 is part of the solution.
How to determine the true statements?The inequality is given as
15 ≥ 22 + x
Subtract 22 from both sides
-7 ≥ x
Rewrite as:
x ≤ -7
The ≤ implies that the solution is a closed circle, and the other true statement is: (e) -7 is part of the solution.
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Ms. Andrew currently earns $4,225 per month. She will receive a 17% increase in pay beginning next month. How much can she expect to earn next month, to the nearest cent?
Ms. Andrew can expect to earn $4,942.25 next month, to the nearest cent.
What is a percentage?A ratio or value that may be stated as a fraction of 100 is called a percentage. Moreover, it is indicated by the symbol "%."
To calculate Ms. Andrew's new monthly salary, we need to add 17% of her current salary to her current salary:
New salary = Current salary + 17% of current salary
New salary = $4,225 + 0.17($4,225)
New salary = $4,225 + $717.25
New salary = $4,942.25
Therefore, Ms. Andrew can expect to earn $4,942.25 next month, to the nearest cent.
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Which of the following is equivalent to 4/20? 1. 1/10 2. 3/15 3. 3/19 4. 2/12
Answer:
3/15=1/5
Step-by-step explanation:
4/20=3/15
3/15 is not all the way simplified. So i'm going to make it simple.
3 divided by 3=1
15 divided by 3=5
1/5 x 4=4/20
4/20 divided by 1/5=4
In general, how do the slopes of line segments in the image compare with the slopes of corresponding line segments in the preimage? What effect does the scale factor of the dilation have on the slopes, if any?
Answer:
The slopes of the line segments are the same before and after dilation. The value of the scale factor n does not affect the slopes in the image.
Step-by-step explanation:
Plato simple answer
The slopes of the line are the same before and after dilation. The value of the scale factor n does not affect the slopes in the image.
How does dilation works?Dilation of a figure will leave its sides get scaled (multiplied) by same number.
Dilation if, is from the center of the rectangle, then distance of all the points of the rectangle from its center will get scaled by that dilation factor.
Slope:
We know that the slope is the ratio of change in y-value and change in x-value.
So, after dilation
m---->m
Length of line:
The length of line =x
so, it's length will become nx.
The slopes of the line are the same before and after dilation. The value of the scale factor n does not affect the slopes in the image.
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the breadth of a rectangular plot is 20 m less than its lengths find its dimensions if its perimeter is 120
Answer:
breadth = 25m
length= 35m
Step-by-step explanation:
perimeter is distance all round a figure
in a rectangle we have two pairs of opposite but equal lines
breadth = 2x( because of the two breadths in a rectangle) - 20
length = 2x( because of the two lengths in a rectangle)
perimeter = 2x + 2x - 20
120 = 4x - 20
120 + 20 = 4x
140 = 4x
35 = x
to get the dimensions, we have to divide by 2 as we took both parts of each dimension
breadth = 2x - 20
2
=2(35) - 20
2
= 70 - 20
2
= 50m
2
= 25m
length = 2x
2
= 2(35)
2
= 70m
2
= 35m
1.
40% of the house plants were watered today. 320 house plants were watered. Which equation can be used to find how many plants there were?
Answer:
0.40x = 320
Step-by-step explanation:
40 = percent, 320 = part. Write the percent as a decimal and multiply by the whole.
a. What is the y-intercept?
b. What is the slope?
c. What is the equation of the line in slope-intercept form?
Answer:
slope is (2/3)x. equation is y=(2/3)x-1
Step-by-step explanation:
The radius of a sphere is increasing at a rate of 5 mm/s. How fast is the volume increasing when the diameter is 100 mm?
Answer:
157,143 mm/s
Step-by-step explanation:
Formula for the volume of a sphere is;
V = 4/3 * pi * r^3
dv/dr = 4 pi r^2
dv/dt = dv/dr * dr/dt
dr/dt = 5 mm/s
dr/dt = 4 * pi * r^2
r = d/2 = 100/2 = 50 mm
dr/dt = 4 * 22/7 * 50^2 = 220,000/7
dv/dr = 220,000/7 * 5 = 157,142.8571428571
Approximately 157,143 mm/s
A total of 2,000 square feet is to be enclosed in two pens, separated by a chain link fence. The outside walls are to be constructed of brick. The brick wall costs $20 per linear foot and the chain link costs $4 per linear foot. Find the dimensions that minimize the construction cost
Answer:
Dimensions that minimize is; 20 ft x 100 ft
Step-by-step explanation:
Let the width and length be x and y respectively.
We are given area as 2000 Sq.ft.
Thus;
xy = 2000 - - - (eq 1)
We are told that the brick wall costs $20 per linear foot and the chain link costs $4 per linear foot. Thus;
C(x) = 20x + 4y
From eq(1),y = 2000/x
Thus;
C(x) = 20x + 4(2000/x)
C(x) = 20x + 8000/x
To minimize this, we will differentiate and equate to 0.
Thus;
C'(x) = 20 - 8000/x²
Equating to zeeo;
20 - 8000/x² = 0
20 = 8000/x²
20x² = 8000
Divide both sides by 20;
x² = 8000/20
x² = 400
x = √400
x = 20 ft
Putting 20 for x in eq 1,we have;
20y = 2000
y = 2000/20
y = 100 ft
100 points!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! please help
Answer:
fhetdg55541378u c4i58454v.
Answer:
Bro, it literally shows how many points and it shows 5 dumb dumb
Step-by-step explanation:
-243 = -9(10 + x)
.......
Answer:
4x
Step-by-step explanation:
EDG 2020
Xander takes a quiz worth 200 points. Each question is worth 40 points. Sketch a graph to show his score if he misses 1,2,3,4 or 5 questions.
Answer:
Miss 1: 160
Miss 2: 120
Miss 3: 80
Miss 4: 40
Miss 5: 0
Step-by-step explanation:
Mark brainliest pls
The football team won 16 games, and they lost four. What is the ratio of games won to number of games played?
Answer:
4:1
Step-by-step explanation:
The radius of a spherical ball is increasing at a rate of 2 cm/min. At exactly what rate (in cm2/min) is the surface area of the ball increasing when the radius is 9 cm?
Answer:
9th min?
Step-by-step explanation:
lol sorry im set 4 maths
144π cm²/min is the surface area of the ball increasing when the radius is 9 cm.
What is Surface area?The surface area of a solid object is a measure of the total area that the surface of the object occupies.
Given,
Radius of a spherical ball is increasing at a rate of 2 cm/min.
We need to find exactly what rate (in cm2/min) is the surface area of the ball increasing when the radius is 9 cm
S = surface area at time t, and r = radius at time t
r=9cm
dr/dt = 2 cm/min
S = 4πr²
Differentiate with respect to t
ds/dt=2.4πrdr/dt
=8πr(2)
=16πr
=16π(9cm)
=144π cm²/min
Hence 144π cm²/min is the surface area of the ball increasing when the radius is 9 cm.
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3) Yellow Stone National Park is a popular field trip destination. This year the senior class at High
School A and the senior class of High School B both planned trips there. The senior class at High
School A rented and filled 4 vans and 2 buses with 142 students. High School B rented and filled 2
vans and 4 buses with 206 students. Every van had the same number of students in it as did the
buses. Find the number of students in each van and in each bus.
Answer:
Find the number of students in each van and in each bus?
13 students can fit in van and 45 students can fit in bus
There were 13 students in each van and 45 students in each bus for both High School A and High School B.
Let's assume that the number of students in each van is "v" and the number of students in each bus is "b".
From the information given, we can form the following equations:
Equation 1: 4v + 2b = 142 (High School A)
Equation 2: 2v + 4b = 206 (High School B)
We can start by multiplying Equation 1 by 2 and Equation 2 by 4 to eliminate the "b" variable:
2 * Equation 1: 8v + 4b = 284
4 * Equation 2: 8v + 16b = 824
Now, we subtract Equation 1 from Equation 2:
(8v + 16b) - (8v + 4b) = 824 - 284
12b = 540
b = 540 / 12
b = 45
Substitute the value of "b" back into Equation 1:
4v + 2(45) = 142
4v + 90 = 142
4v = 142 - 90
4v = 52
v = 52 / 4
v = 13
Therefore, there were 13 students in each van and 45 students in each bus for both High School A and High School B.
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Please Help. Write an equation of the line that passes through (1,2) and is perpendicular to the line
that passes through y=-3x - 4
Answer:
[tex]y=\frac{1}{3}x+\frac{5}{3}[/tex]
Step-by-step explanation:
Slope of [tex]y=-3x-4[/tex] is the m of the general equation [tex]y=mx+b[/tex] which [tex]-3[/tex] The slope a line perpendicular to this line is the number that if multiplied with -3 will give us -1 so that [tex]\frac{1}{3}[/tex] With that slope and the point [tex](1,2)[/tex] use the formula[tex]y-y_1=m(x-x_1)\\y-(2)=\frac{1}{3} (x-(1))\\y-2=\frac{1}{3}x-\frac{1}{3}\\y=\frac{1}{3}x+\frac{5}{3}[/tex]what is 168 divided by 12 but using estimation
Answer:
14
Step-by-step explanation:
The division of the number 198 by 12 is approximately 17.
A mathematical process known as division can be used to divide a sum of money into equal parts or to calculate how many times one number can be found inside another.
A quotient is produced as a result of dividing a dividend (the number being divided) by a divisor (the number by which the dividend is divided).
To estimate the division of 168 by 12, we can use rounding to simplify the calculation.
Round the numbers to a more manageable value. In this case, we can round 168 to 170 and 12 to 10.
Divide the rounded numbers. 170 divided by 10 is equal to 17.
Therefore, an estimated answer to the division of 168 by 12 is approximately 17.
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The ratio of two supplementary Angles is 2:7 what is the measure of the smaller angle
1 10
2 14
3 20
4 40
Ben has a cellphone plan where he pays $12 per
month plus $.10 per minute of talk time. The equation
y = 0.10x + 12 can be used to find his monthly phone
bill y given the number of minutes x he spends talking.
Which set or inequality represents a reasonable range
of the function?
F. 50, 126
H. 12 … y
G. 0 … y … 12
J. 0 … y
Answer:
H
Step-by-step explanation:
I have done the work before
please help me please!!!
Answer:
a is the answer
Step-by-step explanation:
because i said so
A piece of brass contains 1.66 grams of copper and 0.34 gram of zinc. What is the mass of the piece of brass in grams?
Answer:
The mass would be 2.
Step-by-step explanation:
1.66 + 0.34 is 2.
Which of the following transformations would result in two congruent triangles?
A
vertex I should be moved up 5 units
B
vertex x should be moved down 10 units
c
vertex y should be moved left 4 units
D
vertex Z should be moved left 4 units
Help pls!!!
Answer:
B
Step-by-step explanation:
I just did it in illuminate
Prakarit bought a pack of paper for 5.69 and he bought a toner for 9.76. What was the change?
Answer:
sorry grffggcfcfxtcrxrxrzrzeDdd
Determine the constant of proportionality in the situation below.
Every bag of peanuts costs $3.55
Answer:
The constant is that every bag costs $3.55
Step-by-step explanation:
When the bag of peanuts costs $3.55 then Constant of proportionality is 3.55
What is constant of proportionality?The constant of proportionality is the ratio between two directly proportional quantities
Here,
Every bag of peanuts costs $3.55
Consider the number of bags = x
Cost of the peanut bag = y
Therefore
y is directly proportional to x
y = kx
Where k is the constant of proportionality
k = [tex]\frac{y}{x}[/tex]
if the cost of the one bag is $3.55
Then [tex]k=\frac{3.55}{1}[/tex]
k=3.55
Hence, When every bag of peanuts cost constant of proportionality is 3.55
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7 1/2 ÷ (4 1/2 - 5 1/8)
Answer:
-12
Step-by-step explanation:
7 1/2 ÷(4 1/2 - 5 1/8)
7 1/2 ÷ -5/8
7 1/2* -8/5
-12
The area of a rectangle is a 40 square inches. The width of the rectangle is 4 inches more than the length. What are the dimensions of the rectangle?
Answer:
I think 10
Step-by-step explanation:
because 4 times 10 is 40 and 4 side so 10 for each side
The dimensions of the rectangle are 4.63 inches and 8.63 inches respectively.
Let the length of the rectangle be L.Let the width of the rectangle be W.Given the following data:
Area of a rectangle = 40 square inches.Translating the word problem into an algebraic equation, we have;
[tex]W = L + 4[/tex]
To find the dimensions of the rectangle:
Mathematically, the area of a rectangle is given by the formula;
[tex]Area = LW[/tex]
Substituting the values into the formula, we have;
[tex]40 = L(L+4)\\\\40 =L^2+ 4L\\\\L^2+ 4L -40=0[/tex]
Solving the quadratic equation by using the quadratic formula, we have the following values;
L = 4.63 or −8.63
Length, L = 4.63 inches.
For the width:
[tex]W = L + 4[/tex]
[tex]W = 4.63 + 4[/tex]
W = 8.63 inches
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Given PQR is congruent to STU, find the value of x
Answer:X=15 Y=4
Step-by-step explanation:
1. PR=US or 3y=12 divide 3y by 3 and cancel 3 out then divide 12 and get Y=4.
2. QR=TU or 2x=30, divide 2x by 2 and cancel out 2, then divide 30 by 2 and get X=15.
3. PQ=ST or 64=4x+y or 64=4(15)+4 and get 64=64
Need and answer ASAP please helppp
1. Name the line that represents the diameter
2. Name the line that represent the radius
Answer:
Diameter is Line D and Radius is Line R
Step-by-step explanation:
I don't really know how to explain it because I've known this for years now lol.
Para la clase de Ciencias cada 1 de los estudiantes puso a germinar un grano de frijol
luego de 2 semanas cada 1 midió la altura de su planta en centímetros los resultados
se muestran a continuación
a. Halla la media, Halla la moda, Halla la mediana
b. Responde las siguientes preguntas: cuántas plantas crecieron 10, 11 y 12 cm cuantas plantas crecieron mas de 12 centimetros, cual fue el promedio de
crecimiento de las plantas (para esto saca la media), cual fue el crecimiento que mas
veces se repitió (para esto halla la moda)
Answer:
uhhh
Step-by-step explanation:
Please give me the correct answer.
Answer:
One thing I see here is that we have to open the parenthesis by multiplying 4 by (n+10), so the option that says "Multiply (n + 10) by 4." Not sure how I can show explanation for this question.