All sides of an equilateral triangle are congruent [equal]
Triangles are categorized into three
The sides and angles of a scalene triangle are not equalIsosceles triangle; two sides are equal and the opposing angles of the equal sides are also equalEquilateral triangle is a triangle whose three sides are equal in length. the angles are also equal, [tex]60^{0}[/tex] .it is the only regular polygon with three sidesRead more here
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Write the rational number as a decimal
1 5/6
The answer is 1.83
Step-by-step explanation:
Look it up
what is the answer to: 4y+8x=4 with solution
equation of the line through (3,5) and parallel to y=2x-2
Answer:
y = 2x - 1
Step-by-step explanation:
y = 2x - 2; (3, 5)
(x₁, y₁)
y - y₁ = m(x - x₁)
y - 5 = 2(x - 3)
y - 5 = 2x - 6
+5 +5
-----------------------
y = 2x - 1
I hope this helps!
Find the number of degrees moved by the minute hand of a clock in the given amount of time of 7/12
Based on the amount of time given, the number of degrees that the minute hand on the clock would have moved is 210 degrees
How to find the number of degrees moved?Based on the fact that the clock is a circle in shape, it means that when the minute hand moves around the clock for an hour, it would have moved 360 degrees.
If the time moved by 7/12 hours, the number of degrees it moved was then:
= Number of degrees x Number of hours
= 360 x 7/12
= 2,520 / 12
= 210 degrees
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a number,x,is rounded to 1 decimal place is 12.3 write down the error interval for x.
we know that, a number X, rounded to 1 decimal place is 12.3
so,
X>=12.25
and
X<12.35
The error interval for X is [12.25,12.35)
Due in one minute! Help please!!
Answer:
[tex]2x - 25 = 87 \\ 2x = 87 + 25 \\ 2x = 112 \\ \frac{2x}{2} = \frac{112}{2} \\ x = 56[/tex]
I USED THE REASON ALTERNATE ANGLES ARE EQUAL
What is the value of f(-1) when f(r) = 22 + 2?
Answer:
Step-by-step explanation:
contains a typo, namely there is no r on the right side.
Whatever, once you have fixed your post, simply replace the r with -1 then evaluate.
Write an equation for the following math sentence.
One half times the difference of twenty and a variable is two thirds
one half times the quantity y minus 20 equals two thirds
one half times the quantity 20 minus y equals two thirds
one half times y minus 20 equals two thirds
one half times 20 minus y equals two thirds
Answer:
One half times the difference of twenty and a variable is two thirds
one half times the quantity y minus 20 equals two thirds
one half times the quantity 20 minus y equals two thirds
one half times y minus 20 equals two thirds
one half times 20 minus y equals two thirds
0.5(20 - y) = 2/3
One half times the difference of twenty and a variable is two thirds :
1/2(20 - y) = 2/3
[this one im not too sure, please confirm it cause i don't think it is clear enough]
One half times the quantity y minus 20 equals two thirds :
1/2(y - 20) = 2/3
One half times the quantity 20 minus y equals two thirds :
1/2(20 - y) = 2/3
One half times y minus 20 equals two thirds :
1/2 x y - 20 = 2/3
One half times 20 minus y equals two thirds :
1/2 x 20 - y = 2/3
∠A and \angle B∠B are vertical angles. If m\angle A=(4x-4)^{\circ}∠A=(4x−4)
∘
and m\angle B=(5x-29)^{\circ}∠B=(5x−29)
∘
, then find the measure of \angle A∠A.
The value of angle A when A and B are vertical opposite angles is 96°.
How to illustrate the information?It should be noted that vertical angles are equal. Based on the information illustrated, it should be noted that angle A = 4x - 4 and angle B = 5x - 29.
Then, we will equate the equations and this will be:
Angle A = Angle B
4x - 4 = 5x - 29
Collect like terms
5x - 4x = -4 + 39
x = 25
Since angle A = 4x - 4 = 4(25) - 4 = 100 - 4 = 96°
Angle A is 96°.
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I need it solved in steps that I can write down please
The values of indicated function are-
f(-4) = 6f (0) = -6f(1) = -4What exactly is the function?A function is described as the interaction of a set of inputs with one output each.A function is a relationship between inputs in which each input is precisely related to one output.Also every function has a domain, a codomain, and a range. A function is generally denoted by f(x), where x is the input.The general representation of a function is y = f. (x).A function in mathematics is a special correlations among inputs (the domain) as well as outputs (the codomain), in which each input has exactly each output as well as the output can be directly linked to its input.For the given question;
For finding the values of the function, see the values for y axis with respect to the given values of x from the graph.
a: f(-4), input value is (-4), output on y axis is 6.
f(-4) = 6.
b: f(0), input value is (0), output on y axis is -6.
f(0) = -6.
c: f(1), input value is (1), output on y axis is -4.
f(1) = -4.
Thus, the range for the state functions are obtained.
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Cruz purchased a large pizza for $12.75. It serves 5 people. What is the cost per serving?
Answer:
2.55 per serving
Step-by-step explanation:
all u have to do is divide 12.75 by 5
The Distributive Property - 5(y - 4)
Answer:
-5y + 20
Step-by-step explanation:
Distributive property: multiply the outside terms with the inside terms
-5(y - 4)
-5 x y = -5y
-5 x 4 = -20
-5y + 20
So -5(y - 4) simplified using distributive property is -5y + 20
Your welcome hope this helps :)
Please help, will give brainliest!
Answer:
Step-by-step explanation:
Outside of Figure A
in preparation for moving into his first apartment after college, Winston goes on a shopping spree and spends $984 on furnishing, decorations, and other home goods. Sales tax in his area is 8.19%, and none of the items he buys are tax exempt. What will Winston’s total bill be at the cash register? Round to the nearest cent
Winston's total bill at the cash register is $1064.59
Sales tax for the items purchased is $80.59
Given,
The price for the items Winston purchased = $984
Sales tax in Winston's area = 8.19%
We have to find Winston's total bill at the cash register:
Total amount = Price of the items + sales tax amount
Sales tax amount = 8.19% of price of items
Sales tax amount = (8.19/100) × 984
Sales tax amount = $80.59
Now,
Total bill amount = Price of the items + sales tax amount
Total bill amount = 984 + 80.59
Total bill amount = 1064.59
Therefore, Winston's total bill at the cash register is $1064.59
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Money in Brazil is called a Real (abbreviated R$). Davi starts a coffee business. He makes 3.82 R$ for every cup of coffee sold. How many cups would he need to sell to make at least 500 R$ profit?
What's the inequality for this story?
Write the steps to solve it
What is the solution
When this inequality is graphed will the limit be an open or closed circle?
When this inequality is graphed will the line have an arrow pointing to the right or to the left?
Davi needs to sell 131 cups to make at least R$500 profit , the inequality for this story is 3.82x ≥ 500 ,
In the question ,
it is given that
Davi makes R$3.82 per cup of coffee sold .
he needs to make at least R$500 profit
let the number of cups of coffee sold = x ,
the term "at least" means " ≥ " ,
So , According to the question , the inequality becomes
3.82x ≥ 500
x ≥ 130.89
x ≥ 131 .....as number of cups cannot be in decimal .
so the minimum number of cups to be sold is 131 cups.
When the inequality x ≥ 131 , will be graphed then the limit will be an closed circle as equal to sign is included in the inequality .
as when the numbers increases , it move towards right side
So, When the inequality is graphed, the line will have an arrow pointing towards the right .
Therefore , Davi needs to sell 131 cups to make at least R$500 profit ,
the inequality for this story is 3.82x ≥ 500 ,
the limit of graph will be closed circle and arrow will be pointing towards right .
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In complete sentences, explain the following:
What could happen if you don't stick to a budget?
It takes 10 minutes to fry one steak - 5 minutes from each side. Two steaks can fit on a pan. What is the shortest possible time to fry 3 steaks
The shortest possible time is 15 minutes.
It takes 10 minutes to fry one steak - 5 minutes from each side. Two steaks can fit on a pan. What is the shortest possible time to fry 3 steaks?
If I go with the conventional way then I can fry two steaks together taking ten minutes and then I can fry the third one in another ten minutes. So total time 20 minutes.
Assuming that I have only one pan and three steaks to fry. We can even use unitary method .
I will put two steaks in the pan then after 5 minutes I will take out one steak and put the other steak while I will flip the steak which is still in the pan. So in first ten minutes I have only one steak ready. Then I will flip the newly added steak in the pan and put the half side fully cooked steak also in the pan. So in this way in the coming five minutes my other two steaks will also get cooked. Total time taken=5+5+5=15 minutes.
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the volume of a spherical balloon expands as air is pumped into it. assume air is being pumped at a constant rate of 400π in³/sec.what is the radius of the balloon when its volume is 972π in³?use the formula:v=46πr3v = \frac{4}{6} \pi r ^{3} v=64πr3
The radius of the given sphere will be 9/π.
What is a sphere?A sphere is a geometrical object that resembles a two-dimensional circle in three dimensions. In three-dimensional space, a sphere is a collection of points that are all located at the same r-distance from a single point. The radius of the sphere is denoted by the letter r, and the given point is its center. The sphere is a three-dimensional shape that is sometimes referred to as a circle's second cousin. A sphere is a solid shape that is round, without edges. Balloons, playing balls, and even light bulbs are examples of objects with sphere shapes.So, the formula for the volume of a sphere: V = 4/3πr³
Volume is 972, then the radius will be:
972 = 4/3πr³3(972) = 4πr³2,916 = 4πr³πr³ = 2916/4πr³ = 729r³ = 729/πr = ∛729/πr = 9/πTherefore, the radius of the given sphere will be 9/π.
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What should be done to both sides of the equation in order to solve 5 + x = -19?
A heap of garbage in the shape of a cube is being compacted. Given that the volume
decreases at a rate of 2 cubic meters per minute, find the rate of change of an edge of the cube when the volume is exactly 27 cubic meters.
The rate of change of an edge of the cube is 0.074 m/min.
What is the rate of change of volume of cube?The rate at which the volume of the cube changes is calculated as follows;
dv/dt = 2 m³/min
where;
v is the volume of the cubeThe length of edge of the cube will be denoted with a, and it is related to the volume of cube in the following equation.
v = a³
a = v^¹/₃
where;
a is the length of the edgeThe change in the edge with volume;
da/dv = 1/3 (1/v)^2/3
The change in edge of the cube with time is given as;
da/dt = da/dv . dv/dt
da/dt = 1/3 (1/v)^2/3 x 2 m³/min
da/dt = 1/3 (1/27)^2/3 /m² x 2 m³/min
da/dt = 1/27 x 2 m/min
da/dt = 2/27 m/min
da/dt = 0.074 m/min
Thus, the rate at which the edge of the cube changes with time is smaller compared to the volume.
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Simplify the expression.
the quantity negative 1 over 8 times r minus 5 minus 1 over 6 times r end quantity minus the quantity negative 6 over 8 times r plus 3 end quantity
negative 8 over 14 times r minus 2
11 over 24 times r plus negative 2
negative 4 over 14 times r minus 8
11 over 24 times r plus negative 8
The correct answer is option D which is the expression is, 11 over 24 times r plus negative 8.
In mathematics, creating equations from word descriptions is referred to as a "word problem."
For example, in the question, equations are expressed in words and then rewritten in figures, which is the preferred way to write equations.
The equation is rewritten in words and solved as below.
How to write and solve the equation
Given expression is,
[tex](\frac{-1}{8}*r-5-\frac{1}{6} *r)-(\frac{-6}{8} *r+3)[/tex]
solving the equation:
= [tex](\frac{-1}{8} *r-5-\frac{1}{6} *r)-(\frac{-6}{8} *r+3)[/tex]
= [tex](\frac{-r}{8} -5-\frac{r}{6} )-(\frac{-6r}{8} +3)[/tex]
opening the parenthesis leads to change of signs as follows
= [tex]\frac{-r}{8} -5-\frac{r}{6} +\frac{6r}{8} -3[/tex]
= [tex]\frac{-r}{8} -\frac{r}{6} +\frac{6r}{8} -5-3[/tex]
= [tex]\frac{-3r-4r}{24}+\frac{6r}{8} -8[/tex]
= [tex]\frac{-7r}{24} +\frac{6r}{8} -8\\[/tex]
= [tex]\frac{-7r+18r}{24} -8[/tex]
= [tex]\frac{11r}{24} -8[/tex]
= [tex]\frac{11}{24} *r+(-8)[/tex]
Therefore the correct answer is option D which is 11 over 24 times r plus negative 8.
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a healthy young student used an elliptical trainer for 40 minutes at the gym. although the workload remained constant, the student's heart rate rose to 150 beats per minute during the first 5 minutes, stayed at that level for the next 25 minutes, and then started to rise. it was 180 beats per minute at the end of the exercise period. what was the time interval between qrs complexes when the student's heart rate was 180 beats per minute?
Write a real-world problem
that is represented by the division problem 38 ÷ 5 = 7 R3 in which it makes sense to round the quotient up to 8.
Please help me it’s due tmrw
Thanks!!! :)
Answer:
answer is ask to your parents
one of 55 students is selected at random. written as a fraction, what is the probability that this student passed exactly one of these subjects
The probability that s student will passed exactly one of the subject is 28/55.
How to calculate the probability?It should be noted that probability simply means the likelihood that a particular event will happen.
Based on the Venn diagram that's given, the number if students that passed both subjects is 19.
Therefore, the probability that s student will passed exactly one of the subject will be:
= Fraction of students that passed French + Those that passes German
= 11/55 + 17/55
= 28/55
The probability is 28/55.
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Rewrite 140 + 200 using the GCF and factoring.
Answer:
20(7 + 10)
Step-by-step explanation:
The GCF of 200 and 140 are 20
.: by GCF and factoring we have:
20(7 + 10)
Opening the bracket still gives the initial expression.
If ƒ(x) = x/2 −2 and g(x) = 2x² + x−3, find (ƒ +g)(x).
A. 2x² + 3x-6
B. 2x² - +1
C. ²-6
D. 2x²+2x+1
[tex](f+g)(x)=f(x)+g(x)\\\\=\frac{x}{2}-2+2x^2 +x-3\\\\=2x^2 +\frac{3}{2}x-5[/tex]
Which of the following statements is not
true about the linear equation, y + 3 = -2(x-7)?
O The line has a slope of -2
O The linear equation can also be written as y=-2x +11
O The line contains the point (7,-3)
O The line contains the point (-7, 3)
Answer: Option 4
Step-by-step explanation:
This is true because the coefficient of x is -2.[tex]y+3=-2x+14 \implies y=-2x+11[/tex], so this is true.Substituting [tex]x=-7[/tex], [tex]y=(-2)(7)+11 =-3[/tex], so this is true.Substituting [tex]x=7[/tex], [tex]y=-2(-7)+11=3[/tex]. so this is false. The surface area of a swimming pool is 395 square feet. Find the
measure of the area in square meters.
The area of the triangle below is 5.89 square meters. What is the length of the base?
Answer:
b=?(x)
h=2.9
A=5.8
A=b×h/2
5.8=2.9x/2
5.8×2=2.9
11.6=2.9x
11.6/2.9=x
4=x
Find the measure of w
Answer:
56
Step-by-step explanation:
Because w and 124 make a straight line. So you would need to subtract 180 from 124
Answer:
A )56
Step-by-step explanation: