Answer:
Exactly one solution
Step-by-step explanation:
In a system of equations, the intersection points are where the solutions are.
Since there is only one intersection point in this system, this means that there is only one solution, which is at that exact point.
Answer:
its a
Step-by-step explanation:
Solve for r 1+3r>10 please I need this solved aspap
The solution to the inequality 1 + 3r > 10 is r > 3.
This means that any value of r greater than 3 will satisfy the inequality.
To solve the inequality 1 + 3r > 10, we need to isolate the variable r on one side of the inequality sign.
Let's begin by subtracting 1 from both sides of the inequality:
1 + 3r - 1 > 10 - 1
This simplifies to:
3r > 9
Next, we can divide both sides of the inequality by 3 to solve for r:
(3r)/3 > 9/3
This simplifies to:
r > 3
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Give a precise and thorough example of a function with a minimum at a value where its derivative is undefined.
The required example of a function with a minimum at a value where its derivative is undefined is f(x) = |x|.
What are functions?Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.
A function that has a minimum at a point where its derivative is undefined is the absolute value function. The absolute value function is defined as:
f(x) = |x|
At x = 0, the absolute value function has a minimum value of 0. However, the derivative of the absolute value function is undefined at x = 0, because the function is not differentiable there.
At x < 0, the absolute value function is decreasing and therefore has a negative derivative. At x > 0, the absolute value function is increasing and therefore has a positive derivative. At x = 0, the behavior of the function changes abruptly from decreasing to increasing, which makes the derivative undefined. Despite this, the absolute value function still has a minimum value of 0 at x = 0.
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If
2tan x/1-tan² x= 1, then x can equal:.
A. x =
B. x=
C. x=
K|0
D. x=
8
+ NIT
77
37
+ 27
+ NIT
-57 +1
NIT
SUBMIT
The value of x is x= π/8
What is Trigonometry?The area of mathematics that deals with particular angles' functions and how to use those functions in calculations. There are six popular trigonometric functions for an angle. Sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant are their respective names and acronyms (csc).
Given:
2tan x/1-tan² x= 1
We know that tan π/4= 1
So, 2tan x/1-tan² x= tan π/4
Also, we know that tan 2x= 2tan x/1-tan² x
Again, 2tan x/1-tan² x= tan π/4
tan 2x= tan π/4
Now comparing we get
2x= π/4
x= π/8
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PLEASE HEL0LP ME MY TEACHER IS NOT GOING TO BE HAPPY - MATHS !!!!
Answer:
No
Step-by-step explanation:
Since shape a has 32 squares
And shape b has 42
So b is bigger
Your friend thinks that the equation -3.3 = 21 is a true statement. Is your friend correct? Explain.
Hope this helps!!
The range of F(x)= 7•4^x is all positive real numbers
Answer:
its true
Step-by-step explanation:
I NEED HELP IMMEDIATLY! 100 POINTS AND BRAINLY!!!!!!!
Solve for ccc.
Give an exact answer.
0.2(10-5c)=5c-160.2(10−5c)=5c−160, point, 2, left parenthesis, 10, minus, 5, c, right parenthesis, equals, 5, c, minus, 16
c =c=c, equals
C = 2.7
First, simplify both sides of the equation.
0.2(1 − 5c) = 5c − 16
(0.2)(1) + (0.2)(−5c)= 5c + −16
0.2 + −c = 5c + −16
−c + 0.2 = 5c − 16
Now subtract 5c from both sides of the equation, then subtract 0.2 from both sides.
−c + 0.2 − 5c = 5c − 16 − 5c
−6c + 0.2 = −16
−6c + 0.2 −0.2 = −16 - 0.2
−6c = −16.2
Lastly, divide both sides by -6.
-6c/-6 = -16.2/6
2.7
Please mark this as brainliest, cheers.
Can some one please help me with this? I will mark brainlist if right.
Step-by-step explanation:
28<18-5(-3)= 28<33 T
28<18-5(-2)= 28<28 F
28<18-5(-1)= 28< 23 F
28<18-5(0)= 28<18 F
28<18-5(2)= 28<8 F
-3(14)/-51<1 =0.82<1 T
-3(15)/-51<1=0.88<1 T
-3(17)/-51<1=1<1 F
-3(18)/-51<1= 1.1<1 F
-3(19)/-51<1=1.1<1 F
-3,14,15
An equilateral triangle inscribed in Q circle
What is the area of the circle?
The area of the given circle with radius 4 feet is 50.24 square feet.
From the given figure, radius of a circle is 4 feet.
The formula for the area of a circle is A = πr², where r is the radius of the circle.
Here, area of a circle = 3.14×4²
= 3.14×16
= 50.24 square feet
Therefore, the area of the given circle with radius 4 feet is 50.24 square feet.
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Which angle is vertical to EDG?
Answer:
∠FDA
Step-by-step explanation:
Angle FDA is vertical to angle EDG.
Picture shows vertical angles.
Please see the attached.
Answer:
min: 56
lower quartile: 70
median: 74
upper quartile: 80
max: 86
what is the minimum amount of real solutions a quintic polynomial can have
Answer:
1
Step-by-step explanation:
I'm not sure if this is right, but I think it's 1. If you think about the simplest quintic polynomial, x^5, and set it to any real number, you'll always get 1 solution. I don't think it's possible to have 0 or no real solutions. Hope this helps!
e
B
0
14. The table shows the number of inches of
rain over five months. What would be an
appropriate display of the data? Explain.
(Lesson 2)
Month
Number
of Inches
of Rain
Jan. Feb. Mar.
1.5
2.2
3.6
Apr.
5.3
May
4.8
The graph of the given function is attached.
Given is a function for the rainfall in 5 months in inches.
We need to display the data,
So, as we can see that the data is not showing any proportion or pattern,
So, it can be displayed as a line chart.
Hence the chart is attached for the function.
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Which of the following statements is false regarding randomization?
Answer:b
Step-by-step explanation:
Express (In 35+ln(1/7))/ In 25 in terms of In 5 and In 7
Properties of the logarithm: for any base of logarithm,
log(a*b) = log(a) + log(b)
If we replace b with 1/b, or b^-1, we have
log(a/b) = log(a) + log(1/b) = log(a) - log(b)
since
log(1/b) = log(b^-1) = - log(b)
using the power property of logarithms,
log(b^n) = n log(b)
Now,
ln35 = ln(5*7) = ln5 + ln7
ln(1/7) = - ln7
ln25 = ln(5^2) = 2 ln5
Putting everything together, we have
(ln35 + ln(1/7))/ln25 = (ln5 + ln7 - ln7)/(2 ln5) = ln5/(2 ln5) = 1/2
Will is building shelves for his room. He has $50 to buy supplies and knows he’ll need shelving board and stain for his project. He already has his other materials from previous projects. Shelving board (s) costs $3.75 per piece, and stain (t) costs $11.99 per gallon. Write the equation that represents this relationship between the money he has and the amount of materials he may be able to buy.
The relationship between the quantity of shelving board and stain will be 3.75s + 11.99t ≤ 50.
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition,substraction, multiplication and division
Given that:-
He has $50 to buy supplies and knows he’ll need shelving board and stain for his project. He already has his other materials from previous projects. Shelving board (s) costs $3.75 per piece, and stain (t) costs $11.99 per gallon.
Suppose the quanitty of shelving board is 's' and the stain is 't' the expression will be given as:-
3.75s + 11.99g ≤ 50
The total equation is representing the relationship between the amount of money he has and the quantity of the material he can buy under the $50.
Therefore the relationship between the quantity of shelving board and stain will be 3.75s + 11.99t ≤ 50.
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Need answer to this please
Answer:
I Think it's B 2/3
Tell me if i'm wrong
Find the best buy for
a)
shampoo if 8 ounces cost $0.99 and 12 ounces cost $1.47.
b) cereal if 31 ounces cost $1.50 and 16 ounces cost $0.77.
c) soda if 3 cans cost $1.77 and 5 cans cost $1.79.
PLEASE HELPPP
Answer:
A. 12 oz. for $1.47
B. 16 oz for $0.77
C. 5 cans for 1.79
Step-by-step explanation:
A. Divide them both, cost by quantity.
0.99/8=0.123
1.47/12=0.1225
The second option is better since its 0.005 less than the first option.
B. Again, divide both options.
0.77/16=0.04125
1.50/31=0.04838
Second option because it is 0.00713 cents cheaper.
C. 1.77/3=0.59
1.79/5= 0.36
Second option is .23 cents cheaper than the first option.
Let f(x) = x ^ 2 g(x) = sqrt(x - 1) and h(x) = 2x + 3 Express each function k as a composite of two out of these three functions.
k(x) = sqrt(x ^ 2 - 1)
We can write k(x) as the composition of g(x) and f(x).
k(x) = g(f(x))
How to express k(x) as a composition?A composition of two functions means that we need to evaluate one function in the other one.
Here we have the functions:
f(x)= x²
g(x) = √(x - 1)
h(x) = 2x + 3
And we know that:
k(x) = √(x² - 1)
So we have a square root, then we need to evaluate g(x), and the argument is a square, then we need to evaluate in f(x), the composition is:
k(x) = g(f(x))
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Make h the subject of the formula x = 5h + 8
Answer:
h=(x/5)-8
Step-by-step explanation:
i hope that helps
Formula for h is, h = 1/5 (x - 8).
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The formula is,
⇒ x = 5h + 8
Now, We can solve the formula for h as;
⇒ x = 5h + 8
Subtract 8, we get;
⇒ x - 8 = 5h + 8 - 8
⇒ x - 8 = 5h
Divide by 5;
⇒ 1/5 (x - 8) = h
⇒ h = 1/5 (x - 8)
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An equation is shown -4/5 (9x-20)-3x 4/5 x -6
Choose the value of x that makes this equation true.
• x = -2
• x = -1/2
• x = 1/2
• x = 2
Answer: x=2
Step-by-step explanation:
if u plug in the value of x=2 into the equation both sides equal -22/5
5x - 10y = 2 what is the y Intercept
Answer:
(0, -1/5)
Y= -1/5
Step-by-step explanation:
please please help last text then finals l give brainliest
1. The x - intercepts of the parabola are
x = 2.5 s and x = 7.5 s2. The meaning of the x-intercepts are the plane takes of at x = 2.5 s and lands at x = 7.5 s
3. The vertex of the parabola is at (5, 80).
What is a parabola?A parabola is a curved shape
1. Given the parabola above, to find the x - intercepts, we proceed as follows.
The x-intercepts are the points at which the graph cuts the x-axis.
They are
x = 2.5 s and x = 7.5 s2. The meaning of the x-intercepts in this problem are the points where the plane takes off and lands on the ground.
The plane takes of at x = 2.5 s and lands at x = 7.5 s
3. The vertex is the maximum point on the graph.
So, we see that the vertex is at x = 5 s and y = 80 ft
So, the vertex is at (5, 80).
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Jade thinks the area m•6+m•8. Arianna thinks the area is m(6+8). How can they both be correct?
HELP PLEASE HELP ME!!!
Answer:
6m=8m−40+6mNow simplify:=8− m−40+6− m=14m−40
Step-by-step explanation:
6m=8m−40+6mNow simplify:=8− m−40+6− m=14m−40
hi can I send a screenshot?
Answer:
Yeah
Step-by-step explanation:
☁️ Answer ☁️
Yes! Send a screenshot and ask ur question
A company in South Dakota manufactures hard hats used in the mining industry. They record measurements on all the hats they produce for quality control and planning purposes. The measurements they collect include hat size, circumference of the hat, and lengths of the major and minor axes. Meaning, the company wants to predict size of hat given the circumference. What is the response variable
Answer:
Response variable is the hats because it is the variable that is being predicted.
Step-by-step explanation:
A response variable is the subject/variable that responds to the various changes being made in an experiment. For example, if we are testing the effect of some drugs on people's emotions. The response variable here will be "emotions" because it is the subject that responds to the substance of the experiment.
Now, applying that to our question, the size of the hats will be the response variable because it is the variable in the experiment that the company is trying to predict from the circumference.
Jenny is designing a pen for a cow in the shape of a right triangle. Because of space limitation on the farm, the first side of the pen should measure 10 feet and form a right angle with the second side, which should be 14 feet long. How many feet of fencing does Jenny need to make the whole pen? Round to the nearest tenth.
Answer:
70
Step-by-step explanation:
14 x 10 is 140.
Since a triangle is just half a square, we multiply the two sides we have and then divide it.
140 ÷ 10 = 70.
Answer = 70.
P.S If it is correct, pls give Brainliest, thanks!
Please help
will mark BRAINLIEST
The angle sum property of a triangle and the angle formed between a tangent and a radius of a circle indicates.
m∠ADC = 58°
What is a tangent to a circle?A tangent to a circle is a straight line which touches the circumference of a circle at only one point.
The vertical angles theorem indicates that we get;
∠1 ≅ ∠2
Therefore; m∠1 = m∠2
The tangent to a circle indicates that we get;
The angle formed at vertex B and Q are 90 degrees angles and the triangles ABP and AQP are right triangles, which indicates that the acute angles of each of the right triangles are complementary, therefore;
m∠1 + 26° = 90°
m∠1 = 90° - 26° = 64°
Therefore, m∠2 = m∠1 = 64°
m∠2 = m∠CAD = 64°
The segments AC and AD are radial lengths therefore, the triangle ΔACD is an isosceles triangle.
m∠ADC ≅ m∠ACD (Base angles of an isosceles triangle)
The angles ∠ADC and ∠ACD are therefore;
m∠CAD + m∠ADC + m∠ACD = 180° (Angle sum property of a triangle)
m∠CAD + m∠ADC + m∠ADC = 180°
m∠CAD + 2 × m∠ADC = 180°
64° + 2 × m∠ADC = 180°
m∠ADC = (180° - 64°)/2 = 58°
m∠ADC = 58°
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How many more monthly payments are there in a 9 year term compared to a 5 year term?
Answer: 48 more monthly payments
Step-by-step explanation:
Find the length of LK. Show or Explain your work.
Answer:
3
Step-by-step explanation:
LK is around half of AB, which is 6. Half of 6 is 3.
BRAINLIEST PLEASE!