The given function y = 2x - y - 13² , is a linear function
where:
Its linear term is -12x Constant is -18What is a function?
A function is the definition of a mathematical expression or equation that helps us to give a visual representation, through graphs to analyze the behavior of the same, a function is not real when it cuts the vertical axis at a same point of x.
The function we have is particular because it has two variables, and these two are "x" and "y", but the y is the image so we do not consider it a variable.
y = 2x - y - 13y + y = 2x - 13
2y = 2x - 13
y = (2x - 13)/2
y = x - 13/2
y = x - 6.5
Here we notice that we have a linear function
It has no quadratic term Its linear term is "x" Its constant is "-6.5".Learn more about functions at:
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whats is 0.5x+2=6 answer
Answer:
x=8
Step-by-step explanation:
starts with 0.5x+2=6, so move the constant to the right, 0.5x=6-2, then calculate the right side, 0.5x=4, then divide both sides, and x=8
Answer:
x = 8
Step-by-step explanation:
Get variable on left and constants on right
0.5x = 6 - 2
0.5x = 4
Divide both sides by 0.5
x = 8
Which of the following statements best describes the effect of replacing the graph of f(x) with the graph of f(x) − 5?
The graph shifts 5 units up.
The graph shifts 5 units down.
The graph shifts 5 units left.
The graph shifts 5 units right.
The statement which describes the effect of replacing the graph of f(x) with the graph of f(x) - 5 is : (b) the graph shifts 5 units down.
What is Transformation?
Transformation :- The transformations of functions define how to graph a function is moving and how its shape is being changed. There are basically three types of function transformations: translation, dilation, and reflection.
f(x) = f(x) + k
This is a translation transformation that shifts the original function f(x) either k units up or k units down. If k is more than 0 then k shifts up. If k is less than 0 then k shifts down.
Here, k = -5<0
Hence, the shift is 5 units down.
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I need this answered please
Let h(x) be the reflection of f(x)=3 x+3 in the x -axis. What is a function rule for h(x) ?
The function rule for h(x) = -3x -3.
In mathematics, functions can be manipulated algebraically to obtain graphs of functions through certain transformations. Such transformations are reflections of the x-axis or the y-axis. To flip a function f(x) on the x-axis, multiply the whole function by a negative value to get -f(x), and to flip a function f(x) on the y axis, f(-x ), specify the x variable with a negative value. If it is reflected around the y-axis, it will stay the same, which gives h(x) = 3x + 3. Flipping around the x-axis (assuming y = 0) has the y-axis as the axis of symmetry, but it is concave down.
The function rule around the x-axis gives a complementary sign of the value of the function, so
h(x) =-3x-3 will be reflection of f(x) =3x+3
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a number y multiplied by 5 is no less than 5/6 An inequality is
Answer:y/5=5/6
Step-by-step explanation:based on given conditons
Find the missing terms in each geometric sequence.
1. 256, ___, ___, -32, -64
2. 27, 9, ___, ___, 1/3
3. 5x^2, ___, 5x^6, 5x^8, ___, ...
Answer:
1) 256, -128, 64, -32
2) 27, 9, 3, 1, 1/3
3) 5x², 5x⁴, 5x⁶, 5x⁸, 5x¹⁰,
Step-by-step explanation:
1. In this geometric series each term is obtained by multiplying the previous term by (-1/2) or dividing by (-2).
256 ÷ (-2) = - 128
-128 ÷ (-2) = 64
64 ÷ (-2) = (-32)
The geometric series is:
256, -128, 64, -32...
We can find the common ratio by dividing the second term by first term.
2) 27, 9, ___, _________, 1/3
[tex]\sf \boxed{\bf common \ ratio= \dfrac{second \ term}{first \ term}}[/tex]
[tex]\sf = \dfrac{9}{27}\\\\ = \dfrac{1}{3}[/tex]
[tex]\sf 9*\dfrac{1}{3}=3\\\\3*\dfrac{1}{3}=1[/tex]
The geometric series is:
27, 9, 3, 1, 1/3....
3) 5x², _____, 5x⁶, 5x⁸, _____, ....
Here, we can take 3rd term and 4th term to find the common ratio.
[tex]\sf common \ ratio = \dfrac{5x^8}{5x^6}\\\\[/tex]
[tex]\s = x^{8-6}\\\\=x^2[/tex]
5x² * x² = 5x⁴
8x⁸ * x² = 8x¹⁰
The geometric serious is:
5x², 5x⁴, 5x⁶, 5x⁸, 5x¹⁰, ...
[tex]\sf 1.) \ 256, -128, 64, -32,..\\ \\ 2.) \ 27, 9, 3, 1, 1/3,... \\ \\3.) \ 5x^2, 5x^4, 5x^6, 5x^8,5x^{10} , ...[/tex]
[tex]\sf Geometric \ formula: ar^{n-1}[/tex]
where 'a' is first term, 'r' is common ratio.1)Find the common ratio:
next term ÷ previous term32 ÷ -64 = -1/2Equation: [tex]256(-\frac{1}{2} )^{n-1}[/tex]
2nd term: [tex]256(-\frac{1}{2} )^{2-1}=-128[/tex]
3rd term: [tex]256(-\frac{1}{2} )^{3-1}=64[/tex]
2)Find common ratio:
next term ÷ previous term9 ÷ 27 = 1/3Equation: [tex]27(\frac{1}{3} )^{n-1}[/tex]
3rd term: [tex]27(\frac{1}{3} )^{3-1}=3[/tex]
4th term: [tex]27(\frac{1}{3} )^{4-1}=1[/tex]
3)Find the common ratio:
next term ÷ previous term5x^8 ÷ 5x^6 = x^2Equation: [tex]5x^2 (x^2)^{n-1}[/tex]
2nd term: [tex]5x^2 (x^2)^{2-1} = 5x^2 (x^2) = 5x^{4}[/tex]
5ht term: [tex]5x^2 (x^2)^{5-1} = 5x^2 (x^8) = 5x^{10}[/tex]
Simplify
(7-5) x (2 + 4) =
Answer:
7-5=2
2+4=6
2×6=12
you always work the Parenthesis 1st
solve for x. 4x-30=2x
A builder is framing windows of a new with lumber each side of the window must be one piece of lumber. The windows should be three feet high and three feet wide. How many windows can be framed with three 10-foot long pieces of lumber
The number of windows which can be framed with three 10-foot long pieces of lumber given the dimensions of the windows is; two and a half.
What is the number of windows that can be made using the lumbers given the dimensions of the windows?It follows from the task content that the number of windows that can be made given the dimensions of the windows be determined.
On this note, it follows that since the windows are 3 feet high and 3 feet width, the perimeter of each window(square shaped) covered by lumber is;
P = 4s
P = 4 × 3
P = 12 feet.
Hence, each window requires 12 feet of lumber.
However, since the builder has only three 10-foot long pieces of lumber which is equivalent to; 3 × 10 = 30 feet worth.
The number of windows that can be made is;
= 30/12
= 2.5.
Ultimately, only 2 and a half windows can be framed from the three 10-foot long pieces of lumber.
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5. The coordinates of X are (a - 5, -2a) . The coordinates of Y are (a + 1, 2a) . If the distance between X and Y is 10, find the value of a.
Applying the distance formula, the value of a is 2 or -2.
What is the Distance Formula?The distance formula is:
d = [tex]\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}[/tex].
Given the following:
d = XY = 10 units
X(a - 5, -2a) = (x1, y1)
Y(a + 1, 2a) = (x2, y2)
Plug in the values into the distance formula
10 = √[((a + 1) - (a - 5))² + (2a - (-2a))²]
10 = √[(a + 1 - a + 5)² + (2a + 2a)²]
10 = √(6² + (4a)²)
10 = √(36 + 16a²)
10² = 36 + 16a²
100 = 36 + 16a²
0 = -100 + 36 + 16a²
0 = 16a² - 64
16a² - 64 = 0
Factorize
16(a² - 4) = 0
16(a - 2)(a + 2) = 0
a = 2 or a = -2
Therefore, applying the distance formula, the value of a is 2 or -2.
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Can someone explain to me how to solve 5-(3-2)+2
I've looked it up and the answer is 6 but I don't understand how to get there. Plus we need to show our work so please help! I will give 22 points
Answer:
Step-by-step explanation:
brackets first
5 - (3-2) + 2
5 - (1) + 2
5 - 1 + 2
4 + 2
6
Answer:
5-(3-2)+2
5-1+2
4+2
6
Step-by-step explanation:
Follow PEMDAS
P ()
E: Exponent
M: Multiplication
D: Division
A: Addition
S: Subtraction
And you answer each equation going from Left to Right
28. SAND A home improvement store sells bags of sand, which are labeled as weighing . The equipment used to package the sand produces bags with a weight that is within of the labeled weight. a. Write an absolute value equation to represent the maximum and minimum weight for the bags of sand. b. Solve the equation and interpret the result.
From the situation described, we have that:
a. The absolute value equation is: |w - 35| = 8.
b. The solutions are w = 27 and w = 43, meaning that the minimum weight is of 27 pounds and the maximum weight is of 43 pounds.
What is the missing information?A home improvement store sells bags of sand, which are labeled as weighing 35 pounds. The equipment used to package the sand produces bags with a weight that is within 8 pounds of the labeled weight.
What is the absolute value function?The absolute function is defined by:
|x| = x, x ≥ 0.|x| = -x, x < 0.It measures the distance of a point x to the origin, hence, for example, |-2| = |2| = 0.
For this problem, the difference between the weight w and 35 pounds is of 8 pounds, hence the equation is:
|w - 35| = 8.
From the definition, the solutions are given as follows:
w - 35 = -8 -> w = 27.w - 35 = 8 -> w = 43.The solutions are w = 27 and w = 43, meaning that the minimum weight is of 27 pounds and the maximum weight is of 43 pounds.
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3. a) 27 m= .... cm.
b) 0,38 dam = .... dm.
c) 3,4 m = .... hm.
The answer is :
a) 27 m= 2700 cm.
b) 38 dam = 380 m.
c) 34 m = 0.34 hm.
Lets know about the given prefix first,
m = Meter means one hundred centimeter so,
1 m = 100 cm
cm = Centimeter means one-hundredth of a meter so,
1 cm = 0.01 m
mm = Millimeter means one-thousandth of a meter so,
1 mm = 0.001m
hm = Hectometer means one hundred meters so,
1 hm = 100 m
dam = Decameter means ten meters so,
1 dam = 10 m
So,
a) 27 m = 2700 cm
b) 38 dam = 380 m
c) 34 m = 0.34 hm.
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It is estimated that the annual cost of driving a certain new car is given by the formula
C = 0.39m + 2800
where m represents the number of miles driven per year and C is the cost in dollars. Jane has purchased such a car and decides to budget between $7480 and $8260 for next year's driving costs. What is the corresponding range of miles that she can drive her new car? (Enter your answer using interval notation.)
Answer:
[11000, 11600]
Step-by-step explanation:
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What is the difference in height between a rose bush that is 3'9” tall and Emma who is 5½ feet tall?
Factorise 56w – 48.
Answer:8(7w+
Step-by-step explanation:
if someone solves this there are 4 more of the same question! Rex and Samir participated in a walkathon. Rex walked for 1 2/3 hours, and Samir walked for 3 1/3 hours. complete the comparison. Samir walked _____ times ad many hours as Rex walked.
Answer:
2 times as much
Step-by-step explanation:
1 hour 2/3 = 60 + (2/3) 40 mins = 100 minutes
3 hours 1/3 = (60 ×3 ) + 20 mins = 200 mins
200 is twice as much as 100
write an equation for the difference of 7 and a number is 18
State whether each sentence is true or false. If false, replace the underlined word or phrase to make a true sentence.
The vertex angles of an isosceles triangle are congruent.
Two vertex angles of an isosceles triangle are equal but not necessarily all three so the given statement is not always true.
What is a triangle?A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices.
In a triangle, the sum of all three angles is 180°
Triangle is a very common figure to deal with our daily life for example in our daily life to measure the height of any tower then there is a huge application of the right angle triangle.
An isosceles triangle is a triangle whose two sides will be the same, but the third side may or may not be equal.
So, the angle associated with the same side will same but the remaining angle will or will not be the same.
Hence "Two vertex angles of an isosceles triangle are equal but not necessarily all three so the given statement is not always true".
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You and a friend are hiking in the Swiss Alps. You want to climb to a ledge that is 6 meters above you. The height of the grappling hook you throw is given by the function h(t)=-4.9t² +10t+1.5 Can you throw it high enough to reach the ledge? Why or why not? (Support your answer mathematically.)
According to the given function, we can throw it to the height of 6.6 m. So, yes we can throw it high enough to reach the ledge.
What is a Quadratic equation?The given equation is quadratic. A quadratic equation is defined as an equation of a single variable with the highest power of 2. In general, the quadratic equation can be expressed as h(x)= [tex]ax^2- bx + c[/tex], where a, b and c are arbitrary constants. The solution for a quadratic equation is given by:
[tex]x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}[/tex]
The maximum of a quadratic equation is given by:
= [tex]c-\frac{b^2}{4a}[/tex]
The length to be covered by throwing=6 meters
It is given that the height of the grappling hook you throw is a function h(t) = -4.9t² + 10t + 1.5
Here a =4.9, b = 10 and c = 1.5
The maximum of a quadratic equation is given by:
[tex]c-\frac{b^2}{4a}[/tex]
[tex]1.5-\frac{10^2}{4*(-4.9)}[/tex]
6.6
A throw can be made to reach the wall since the height of wall is less than the maximum value that is 6.6 m.
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What is the value of 6x2 + x if x = 5?
65
35
905
155
Answer:
If it is [tex]6(5)^2[/tex] then the answer is 150
Step-by-step explanation:
So, follow PEMDAS
Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction
First square 5 because there is an exponent [tex]6(5)^2 = 6(25)[/tex]
Next multiply 6 times 25 and you get 150!
Answer:
d) 155
Step-by-step explanation:
The value of x is,
→ x = 5
Now the expression is,
→ 6x² + x
Let's solve the expression,
→ 6x² + x
→ 6(5)² + 5
→ 6(25) + 5
→ 150 + 5
→ 155
Hence, the answer is 155.
The area of a square is calculated
by squaring the length of one side
of the square.
ANSWER ASAP WILL MARK AS. BRAINLYST (Only if answer is correct)
Look at the photo and answer broth questions
Step-by-step explanation:
2 + 3 = 5
the sign of the sum is "-", because the temperature dropped (in both cases).
the total change in temperature is -5°.
the sum of 2 positive integers ... is always positive.
both numbers have a positive sign. the sum means "+", so we are adding 2 positive numbers.
nowhere in the operation are we going in the negative direction or bring a negative sign in.
so, where would a "-" sign come from ?
if I have something on the plus side, and I put something positive on top of it, the resulting pile will still be positive.
i know its easy but my brain isn't working and my friends aren't answeringngngng
The number of apples in the 12th bag is 9.
How to find the number of apples in the 12th bag using mean number?There are 12 bags of apples on the market stalls.
The mean number of apples in each bag is 8.
Therefore, the number of apples in the 12th bag can be calculated as follows:
mean = ∑fx / ∑f
Hence,
let the number of apples in the 12th bag = a
mean = 6 × 1 + 7 × 4 + 8 × 2 + 9 × 3 + 10 × 1 + x × 1/ 1 + 4 + 2 + 3 + 1 + 1
mean = 6 + 28 + 16 + 27 + 10 + x / 12
mean = 87 + x / 12
8 = 87 + x / 12
cross multiply
96 = 87 + x
x = 96 - 87
x = 9
Hence, the number of apples in the 12th bag is 9.
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n=c-s solve for c, can anyone solve this?
Answer: sure ummm...
r
=
1
d
cs
Step-by-step explanation:
Answer: n+s=c
Step-by-step explanation:
n=c-s
+s +s
n+s=c
add s to both sides to get c by itself, and you end up with n+s=c
use the properties of exponents to write an equivalent expression that is a product of distinct primes, each raised to an integer power.
10 to the 5th power times 9 to the 2nd power over 6 to the 4th power
Answer:
10 to the 5th power times 9 to the 2nd power over 6 to the 4th power
Write an equation of the line through each pair of points in slope-intercept form.
(-1,-4) and (3,-4)
The equation of line is y = -4
Given the points:
(x₁, y₁) = (-1, -4)
(x₂, y₂) = ( 3, -4)
The slope-intercept form:
y = mx + b
Where, m is the slope and b is the y-intercept, that is (0, b)
The formula for slope:
m = (y₂ – y₁) / (x₂ – x₁)
We have given
x₁ = -1
x₂ = 3
y₁ = -4
y₂ = -4
So,
m = (-4 – (-4)) / (3 – (-1)) = (-4 + 4) / (3 + 1) = 0/4 = 0
Therefore we have the equation of the line as:
y = mx + b
-4 = 0(x) + b
-4 = 0 + b
b = -4
Therefore, the equation of line y = -4
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c and d are inversely proportional and are
both positive.
The equation of proportionality is c
a) Does c increase or decrease if d
increases?
b) Does d increase or decrease if c
increases?
2/07
5
d'
if d increases c will decrease AND if c increases d will decrease.
WHAT IS RATIO AND PROPORTION ?If b is not equal to 0, an ordered pair of numbers a and b, denoted as a / b, is a ratio. A proportion is an equation that equalizes two ratios. For illustration, the ratio may be expressed as follows: 1: 3 (If there are 1 boy and 3 girls, then there are 3 girls for every 1 boy.)
CALCULATIONsince c and d are inversely proportional
a) if d increases c will decrease
because it is the property of the ratio and proportion
and same will be applied in b
b) if c increases d will decrease
that is obvious....
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What is the difference between −125 anThe Japan Trench is 9 km below sea level. The Peru-Chile Trench is 8 km below sea level. What is the difference of depths between them, and which trench is deeper?
−17 km, and the Japan Trench is deeper
−1 km, and the Peru-Chile Trench is deeper
1 km, and the Japan Trench is deeper
17 km, and the Peru-Chile Trench is deeperd 18?
Based on the distance below sea level of the Japan Trench and the Peru-Chile Trench, the difference and the deeper trench is 1 km, and the Japan Trench is deeper.
Which is the deeper trench?The deeper trench is the one that is further down sea level. In other words, it is the one that is a larger distance below sea level.
The Japan Trench is 9 km below sea level while the Peru-Chile trench is 8 km below sea level. This means that the Japan Trench is deeper.
The difference is:
= 9 - 8
= 1 km
In conclusion, the Japan trench is deeper by 1 km.
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which term is larger log_25(1/625) or log_16(1/64)
