Determine,se existir,a inversa da matriz abaixo:
A= (1 2)
(1 3)
Answer:
which principle prevents a brach from abusing its power
Step-by-step explanation:
Which of the sets of ordered pairs represents a function?
A = {(2,-2), (5,-5), (-2, 2), (-5,5)}
B = {(4,2), (4,−2), (9, 3), (9, −3)}
Which equation transforms f(x)=x to a horizontal stretch by a factor of 2, a reflection over the x axis, and a shift down 4?
Answer:
the one you have selected
Step-by-step explanation:
you already have the correct answer
The expression that represents transformation is [tex]-f(\frac 12x)-4[/tex]
The equation of the function is given as:
[tex]f(x) = x[/tex]
The rule of horizontal stretch by a factor of 2 is represented as:
[tex](x,y) \to (\frac 12x,y)[/tex]
So, we have:
[tex]y = f(\frac 12x)[/tex]
The rule of reflection over the x-axis is represented as:
[tex](x,y) \to (x,-y)[/tex]
So, we have:
[tex]y = -f(\frac 12x)[/tex]
The rule of a vertical shift down by 4 units is:
[tex](x,y) \to (x,y-4)[/tex]
So, we have:
[tex]y = -f(\frac 12x)-4[/tex]
Hence, the expression that represents transformation is [tex]-f(\frac 12x)-4[/tex]
Read more about function transformation at:
https://brainly.com/question/1548871
Factorise
a) 2x + 8
b) 3x - 12
c) 6x + 4
d) 18x - 9
Pls help i will mark brainliest if you get it correct シ♡︎
The correct answer is c.I hope this helps
Answer:
[tex]option \: c. \: is \: correct[/tex]
Given kite ABCD with AD=AB, AO=3, and BD=8. Find AD.
This is to find the missing side with Vertex angles of Kite ∠A and ∠C, non-vertex angles are ∠D & ∠B, Main Diagonal bisects ∠A and ∠C and cross diagonal bisects ∠D and ∠B. Please help me find side AD
Answer:
AD = 5
Step-by-step explanation:
Given:
A kite ABCD with following dimensions:
AD = AB
AO = 3 and
BD = 8
To find:
AD = ?
Solution:
Kindly refer to the attached image for the figure of given dimensions.
In a kite, the following properties hold true:
1. The diagonals of a kite are perpendicular to each other.
2. The longer diagonal(along the vertex angles) bisects the shorter one.
Using above properties:
Looking at the [tex]\triangle AOD:[/tex]
[tex]\angle AOD=90^\circ[/tex]
AO = 3
OD = 4
We know that, Pythagoras theorem hold true in every right angled triangle.
According to Pythagorean theorem:
[tex]\text{Hypotenuse}^{2} = \text{Base}^{2} + \text{Perpendicular}^{2}[/tex]
[tex]AD^{2} = 4^{2} + 3^{2}\\\Rightarrow AD = \bold{5}[/tex]
The value of AD should be 5.
Calculation of the value of AD:Since kite ABCD with AD=AB, AO=3, and BD=8
Here angle AOD = 90 degrees
And, AO = 3 and OD = 4
So, here we use the Pythagorean theorem
[tex]= \sqrt 3^2 + 4^2\\\\= \sqrt{9 + 16} \\\\ = \sqrt{25}[/tex]
= 5
Hence, The value of AD should be 5.
Learn more about angle here: https://brainly.com/question/21103473
First to awnser will the question correct will get brainlyist
Ashley was out at a restaurant for dinner when the bill came. She wanted to leave a tip of 12%. What number should she multiply the cost of the meal by to find the total plus tip in one step?
Answer:
x 1.12
Step-by-step explanation:
Total meal plus 12% tip in one step.
12% as a fraction is .12
Multiply the cost of the meal by 1.12 To get the total cost including tip.
x 1.12
Which set of rational numbers is correctly ordered from least to greatest?
-0.5 -0.4 -0.3
Answer:-0.3 -0.4 -0.5
Step-by-step explanation:mark me as brainliest
write an equation of the line that passes through the points:
(0,0), (4,-2)
I need help on this because how do u count it without a ruler
please help me I like really need help
Answer:
-110
Step-by-step explanation:
105 - (-5) = 110 but it’s dropping so it’s -110
what is the change in elevation from 70 below sea level to 40 above sea level
Answer:
110
Step-by-step explanation:
70 below sea level is kinda like -70 and 40 above is just... 40. So to get 110 you add 70 to -70 and 40 to the first sum and then add 70 and 40 together. Your sum will be 110!
Hope this helps!
Plz help me I’ll give brainliest
Thank you
Answer: for the first one it’s y= -6/5x -4
for the second one it’s y=1/5x-2
for the 3rd one it’s y=1/4
for the 4th one it’s y=-x+1/2
Step-by-step explanation:
1)
[tex]y = - \frac{6}{5} x - 4[/tex]
2)
[tex]y = \frac{1}{5} x - 2[/tex]
3)
[tex]y = \frac{1}{4} x[/tex]
4)
[tex]y = - x + \frac{1}{2} [/tex]
Can someone simplifie the following?
32/45
(4 20/39)
(2 16/145)
(1 25/62)
I'll give Brainliest
Answer:
32/45
176/39
306/145
87/62
Step-by-step explanation:
did it on my calculator
can anyone help me please
Answer:
i think it is x= -4/3
Step-by-step explanation:
maybe
Answer:
x=10
Step-by-step explanation:
2x/3+1=7x/15+3
find a common denominator for the fractions=15
2x/3 =_/15 multiple by 5 to get denominator 15 so multiple by 5 on top as well 2x*5=10x
10x/15+1=7x/15+3
-7x/15 -7x/15
3x/15+1=3
-1 -1
3x/15=2
×15/3 ×15/3
x=30/3
Reduce
x=10
Is triangle ABC similar to triangle DEF? Why or why not?
Answer:
No, because not all corresponding angles are congruent.
Step-by-step explanation:
In order for two triangles to be similar you must have that you know at least 2 corresponding angles are congruent which would also imply the third set of angles are also congruent. You can also tell if two triangles are similar based on their corresponding sides being proportional. Without even checking the proportionally part of corresponding sides, I see the 3 angles in the first triangle do not have the same measurement as the one in the second triangle. Therefore, the triangles cannot possibly by similar.
Hope this helped you love.
D=2t+4 what does the t stand for,is it like x but instead of using x you are using t? please help me
The given table of values represents a linear equation. What is the slope?
PLEASE HELP!
Answer:
m=2
Step-by-step explanation:
m=change in y/change in x
m=2/1 or 2
answer: 2
Mr.Brown paid $754.40 for four plane tickets.How much did each plane ticket cost?
Answer:
188.60
each plane ticket cost 188.6
Step-by-step explanation:
754.40 divided by 4 =188.6
Answer:
188.60
Step-by-step explanation:
754.40÷4=188.60
DO THE QUESTION OR DIE TRYING.
Answer:
I am a go with ................................................
DIE TRYING
Step-by-step explanation:
Math mafff math maff
Answer:
Figure A
Step-by-step explanation:
It just moves position and nothing else it does´t rotate or anything.
Definition of translation in math is: In Geometry, "Translation" simply means Moving ... ... without rotating, resizing or anything else, just moving.
Hopefully that is helpful to you. Have a wonderful day.
Answer:
hi
Step-by-step explanation:
Car x travels 174 miles in 3 hours
What equation describes this relation
Using the speed - distance relationship, the speed of the car is 58 miles per hour.
Recall the equation to calculate the miles per hour :
Speed = (distance ÷ time) Distance moved = 174 miles Time taken = 3 hoursThe speed of the car in miles per hour can be calculated thus :
Speed = (174 ÷ 3) = 58 miles per hour.
Therefore, the speed of the car in miles per hour is 58 miles per hour.
Learn more : https://brainly.com/question/14429071
Jack sells cars. Last year he sold 30 cars. The next year Jack sold 48 cars. What is the percent of change?
Answer:
60% increase
Step-by-step explanation:
Take the new minus the original
48-30 = 18
Divide by the original
18/30
.6
Change to percent form
60% increase
What is the product of |(−12)3 ÷(14)2|
Answer:
1.29
Step-by-step explanation:
-12x3=-36
14x2=28
-36/28=-1.29
I-1.29I
Answer:
0.428571428571
Step-by-step explanation:
|-36/84|
|-0.428571428571|
0.428571428571
What is the product?
Enter your answer as a fraction, in simplified form, in the box.
−4/5x10/16
Answer:
-1/2
Step-by-step explanation:
4(g- h) + 10, when g=12, h=7
Answer:
30
Step-by-step explanation:
When g = 12 and h = 7, the value of the expression is 30.
What are Expressions?Expressions are mathematical statements which consist of two or more terms and terms are connected to each other using mathematical operators like addition, multiplication, subtraction and so on.
The given expression is 4(g - h) + 10.
Substitute the values of g and h as g = 12 and h =7, we get,
4(g - h) + 10 = 4(12 - 7) + 10
= (4 × 5) + 10
= 20 + 10
= 30
Hence the value of the expression is 30.
To learn more about Expressions, click on the link :
https://brainly.com/question/28170201
#SPJ2
3. Vocabulary Give an example of two
inequalities that are equivalent inequalities.
Explain your reasoning.
find the distance between -25 and -14
Answer:
-11
Step-by-step explanation:
Distance between = subtraction-25 - (-14) = -25 + 14-25 + 14 = -11I hope this helps!
Six gallons of gasoline cost $15.06. What is the price of gasoline per gallon
Answer:
A single gallon of gasoline would be $2.51.
Step-by-step explanation:
It's as simple as dividing the 6 gallons of gasoline by $15.06.
15.06 / 6 = 2.51
Hope this helps.
Which are the first 5 terms of an ARITHMETIC sequence with a COMMON DIFFERENCE of -0.4 and a FIRST TERM of 0.7 *
1 point
0.7,0.175,0.04375,...
1,0.6,0.2,-0.2,-0.6,...
0.7,0.3,-0.1,-0.5,...
0.7,2.8,11.2,44.8,...
Answer:
89
Step-by-step explanation: