9514 1404 393
Answer:
no
Step-by-step explanation:
Put 2 where x is and see if you get a true statement.
1/2(2) -4 = 5
1 -4 = 5
-3 = 5 . . . . . . False
2 is not a solution to the equation.
__
The solution is x=18.
Consider the equation: 6x+55=x^2
1) Rewrite the equation by completing the square.
2) What are the solutions to the equation?
Answer:
1. x² - 6x + 9 = 55 + 9
x²-6x+9 = 64
2. (x-3)² = 64
x- 3 =+-8
x= 3+8 or 3 -8
x = 11 or 5
URGENT WILL GIVE BRANLIEST ASAP PLSS
Answer:
they are supplementary so
180-101
=79 degrees
Answer:
9.
Angle 1 and angle 2 are supplementary angles, which means they add up to 180. Thus, as angle 1 is 101 degrees, angle 2 is 180-101 degrees, which is 79 degrees.
8. complementary angles are angles that add up to 90 degrees. The picture shows us that angle AGB is 90 degrees because there is a square symbolizing it. Therefore AGE also must be 90 degrees because it is congruent to angle AGB. The two angles that makeup AGE are AGF and FGE. Therefore, it is the first option.
7.
Adjacent angles are two angles that have a common vertex and a common side but do not overlap. The only pair of angles given that are next to each other is the second option, DGE and DGC.
1. Define: (1) factor (ii) multiple. Give five examples of each.it
Answer:
A factor is a number that when its multiplied with another number, gives a product of a given number. Example: The factors of 21 are 7,3,1 and 21. A multiple is a number that can be divided by another number a certain amount of times evenly (without a remainder). Example: Some multiples of 4 are: 8, 12, 16, and 20.
From a bag containing 6 white balls, 3 black balls and 13 red balls, two balls are drawn at random. What is the probability that they are both red without replacement?
a) 26/77
b) 9/10
c) 1/2
d)5/77
Answer:
Probability [Both ball red without replacement] = 26 / 77
Step-by-step explanation:
Given:
Number of white ball in beg = 6 balls
Number of black ball in beg = 3 balls
Number of red ball in beg = 13 balls
Find:
Probability [Both ball red without replacement]
Computation:
Probability of first red ball = Number of red ball in beg / [Total balls in beg]
Probability of first red ball = 13 / [6 + 3 + 13]
Probability of first red ball = 13 / 22
Probability of Second red ball = Number of remaining red ball in beg / [Total balls in beg without replacement]
Probability of Second red ball = [13 - 1] / [6 + 3 + 12]
Probability of Second red ball = 12 / 21
Probability [Both ball red without replacement] = [Probability of first red ball][Probability of Second red ball]
Probability [Both ball red without replacement] = [13/22][12/21]
Probability [Both ball red without replacement] = 26 / 77
Molly buys 2 boxes of crackers. Each box has a 4 package of crackers in it. Molly buys a total of 80 crackers. Which equation and answer show the number of crackers in each package?
A- 4*2*?=80 there are 10 crackers in each package
B- 4*2*?=80 there are 20 crackers in each package
C- 4 divided by 2*?=80 there are 20 crackers in each package
D- 4 divided by 2*? =80 there are 10 crackers in each package
Answer:
A
I hope this helps
Give an example of tangents in the real world that have not been presented in this lesson.
Explain how you know the tangent and the radius in your example are perpendicular.
This is in relation to tangent lines and not cosine, sine, etc!
My example is attached via photo!
Answer:
Hey! Sorry im too late lol but here-
Step-by-step explanation:
Example of tangent in the real world-
When a stone gets tied at one end of a string & the other end is rotated, then the stone will form a circle.
How you know the tangent and radius are perpendicular:
The radius is formed vertically and is completely straight, while the tangent is completely straight but horizontal. You can draw a right triangle angle between the radius and tangent line by adding a third line, and a right angle is 90 degrees. So, this forms a perpendicular line.
Hope this helped :))
Part A: The path of the ball in relation to the curved path of the thrower
Part A: The path the ball takes is perpendicular to the hand, bat or feet at the point of last contact
Reason for the selection:
Part A
A real world example of tangents is the direction of a ball immediately it is released and the circular path of the motion, that provides the force input that is given to the ball to cause it to move in the required direction
The tangent is the path the ball takes immediately it is moving without contact to the bat, hand or feet that causes it to move
The circular path is the motion of the hand, leg, bat or feet that makes before the ball is released
The radius is the hand, leg, or bat that rotates in a circular path, so as to move the ball
Part B
How the radius is perpendicular to the tangent
The radius, such as the leg kicking a ball is perpendicular to the tangent of the which is the path of the ball because a kick to send the ball into air, the orientation of leg at the point the ball leaves is perpendicular to the angle of elevation with which the ball is launched
Learn more about tangents here:
https://brainly.com/question/16300584
What is the answer to 7x-7=12x+13
Answer:
x = − 4
Step-by-step explanation:
Answer:
x = -4
Step-by-step explanation:
First, add 7 to both sides:
7x - 7= 12x + 13
7x = 12x + 20
Subtract 12x from both sides:
-5x = 20
Divide each side by -5:
x = -4
So, the answer is x = -4
Vector V has components of (6,9) determine the angle in degrees that vector vee makes with the X axis
Given :
Vector V has components of (6,9).
To Find :
The angle in degrees that vector V makes with the x-axis.
Solution :
The x-component of vector is, x = 6 units.
The y-component of vector is, y = 9 units.
So, the angle the vector makes from the horizon is :
[tex]\theta = tan^{-1}{\dfrac{y}{x}}\\\\\theta = tan^{-1}{\dfrac{9}{6}}\\\\\theta = 56.31^o[/tex]
Hence, this is the required solution.
Given
A ∆GHJ with k
GH
L on GI
are K and L the midpoints of GH and GJ respectively?
is KL || HJ?
is HJ = 2KL?
Answer:
Is there diagram for this?
Yonghui works as a waiter in a Chinese restaurant. He got $104 tip on Monday and $59 more on Tuesday. How much did he get on Tuesday?
Answer:
163$
d#ddddddddddddd
Step-by-step explanation:
104+59=163
Help with this problem pls
Directions: Use the information given to write the equation of the circle in standard form.
16. center:(-10,-4), point on circle: (4, -2) 17. center: (-9, -3), point on circle: (-11, 2) 18. center: (5.-7), point on circle: (-3,-1)
19. center: (8,2), point on circle: (14,-1) WO
Answer:
subject?
Step-by-step explanation:
Anyone know the answer ?
Answer:
C
Step-by-step explanation:
The mean is 6.41428571429
A room is 15 feet tall. An architect wants to include a window that is 6 feet tall. The distance between the floor and the bottom of the window is b feet. The distance between the ceiling and the top of the window is a feet.
This relationship can be described by the equation
a
=
15
−
(
b
+
6
)
a=15−(b+6).
The customer wants the window to have 5 feet of space above it. Is the customer describing a or b? What is the value of the other variable?
Answer:
2.5 feeeeeeeeeeeeeeeeeeeet i think
PLSS HELP
A paper store spent 1/4 of all the money they earned in December to buy new inventory. It used 1/2 of the rest of the money to pay bills. Then, they still had $3,000 left over. How much money did the store earn in December?
Answer:
$8,000
Step-by-step explanation:
Let the store earned $x in December.
Therefore,
Money spent to buy new inventory [tex] =\frac{1}{4} x[/tex]
Remaining money [tex] = x - \frac{1}{4} x =\frac{3}{4} x[/tex]
Money used to pay bills [tex] =\frac{1}{2} \times \frac{3}{4} x=\frac{3}{8} x[/tex]
Money still left over = $3,000
Total money earned in December [tex]= \frac{1}{4} x+ \frac{3}{8} x+3,000[/tex]
[tex]\therefore x= \frac{1}{4} x+ \frac{3}{8} x+3,000[/tex]
[tex]\therefore x= \frac{2}{8} x+ \frac{3}{8} x+3,000[/tex]
[tex]\therefore x= \frac{5}{8} x+ 3,000[/tex]
[tex]\therefore x- \frac{5}{8} x=3,000[/tex]
[tex]\therefore \frac{8x-5x}{8} =3,000[/tex]
[tex]\therefore \frac{3x}{8} =3,000[/tex]
[tex]\therefore x =3,000\times \frac {8}{3}[/tex]
[tex]\therefore x =1,000\times 8[/tex]
[tex]\therefore x =\$8,000[/tex]
Thus, total money earned in December is $8,000.
A pound of chocolate costs 8 dollars. Kala buys p pounds. Write an equation to represent the total cost c that Kala pays.
Answer:
8p=c
Step-by-step explanation:
For questions like this, it isn't asking for a numerical answer or anything complicated. It's mainly just using common sense and figuring out what you would do if you had actual numbers instead of variables. You would multiply the amount of pounds (p) by the cost per pound of $8, and that would be your answer (c). I hope I could help.
The whole number between -1 and 1, with the symbol 0. Show’s that there is no amount:
Answer:
The number between -1 and 1 is 0 ( zero)
You are walking 1 mile home from school. When you are halfway home, you realize that you forgot a book in your locker and have to go back and get it. Once you finally get home, how far have you walked?
Answer:
2 miles
Step-by-step explanation:
2 miles :)
15-2X = -45 how do I show My work for this?
Answer:15-2x=-45
15-2=13
13=-45
Step-by-step explanation:
I hope that helps you!
Answer:
x = 30
Step-by-step explanation:
15 - 2x = -45
+ 2x to both sides
15 = 2x - 45
+ 45 to both sides
60 = 2x
divide both sides by two
x = 30
Factor this trinomial. Your answer should consist of two binomials.
n^2-11n +28
Answer:
(n-4)(n-7)
Step-by-step explanation:
hopefully that helps
if the digit in one’s place of a number is 2 then the last digit of its cube will be?
Answer:
Thus , if the digit in one's place of a number is 2, then the last digit of its cube will be unit digit of . Since the last digit of cube of 2 is 8. Hence, if the digit in one's place of a number is 2, then the last digit of its cube will be 8
Step-by-step explanation:
The difference between an observational study and an experiment is that
Answer:
An observational study is a study based on data while as an experiment, your actually using that data and carrying out different procedures with it.
Answer:
in an observational study, the researchers do not control treatment, and in an experiment, they do (B)
Step-by-step explanation:
Find a positive angle less than 360° that is coterminal with the given angle.
560
Answer:
200
Step-by-step explanation:
brainliest?
Find the missing side. Round to the nearest tenth
Answer:
x = 12.5
Step-by-step explanation:
From the diagram,
Applying
tanФ = Opposite/Adjacent...................... Equation 1
From the diagram,
Given: Opposite = 16, Adjacent = x, Ф = 52°
Substitute these values into equation 1
tan52° = 16/x
make x the subject of the equation
x = 16/tan52°
x = 16/1.27994
x = 12.5.
LAST QUESTION NEED HELP ASAP IM TIMED
The results of a survey of 38 students and the foreign language they are studying are shown in the two-way frequency table. Language Gender Chinese French Spanish Total Girl 4 7 10 21 Boy 1 1 15 17 Total 5 8 25 38 What fraction of the surveyed students are taking Chinese? of the surveyed students are taking Chinese.
Answer:
5/38
Step-by-step explanation:
A fraction is a quantity that is not a whole number. In maths, a fraction usually has a numerator and a denominator.
The numerator is the number above. While the denominator is the number below
an example of a fraction = [tex]\frac{4}{5}[/tex]
4 is the numerator while 5 is the denominator
fraction of the surveyed students are taking Chinese = total number of students surveyed / total number of students surveyed
5/38
PLEASE HELP ILL GIVE BRAINLIEST !!
FAKE ANSWERS WILL GET REPORTED.
Answer:
b ≈ 3.9
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityTrigonometry
[Right Triangles Only] Pythagorean Theorem: a² + b² = c²
a is a leg b is another leg c is the hypotenuseStep-by-step explanation:
Step 1: Define
Identify variables
a = 1
c = 4
Step 2: Solve for b
Substitute in variables [Pythagorean Theorem]: 1² + b² = 4²Evaluate exponents: 1 + b² = 16[Subtraction Property of Equality] Subtract 1 on both sides: b² = 15[Equality Property] Square root both sides: b = √15[√Radical] Evaluate: b = 3.87298Round: b ≈ 3.9Are the two triangles similar? Explain your answer.
Answer:
Yeah they similar
Step-by-step explanation:
Answer:
Yes.
Step-by-step explanation:
These triangles are both obtuse with a 102 degree angle, 30 degree angle, and a 48 degree angle. (180 - 48 = 30.)
Which function is shown in the table below?
(1) f(x) = 3x
(2) f(x) = x+3
(3) f(x) = -x^3
(4) f(x) = 3^x
Answer:
4. f(x)=[tex]3^{x}[/tex]
Step-by-step explanation:
Sorry if I'm wrong
An employer wants to determine the amount of job satisfaction experienced by his employees. Which sampling
method is most likely to result in undercoverage?
Answer:
C: Employees are assigned to one of four pay scales. Randomly select a pay scale and survey every employee in that pay scale
Step-by-step explanation:
Looking at the given options, the one that will likely result in undercoverage will be option C. This is because even after assigning employees to any of the 4 payscales, when randomly selecting for survey, he picked only one pay scale and surveyed every on there. Since he didn't include at least one person in the other pay scales, he will not have covered every pay scale which he will need to make a conclusion on job satisfaction experienced by his employees.