Answer:
The input is a contradiction: it has no solutions
y= -2x +9 is an equation that represents a line parallel to the line 8x + 4y = 28 is the statement true or false? Be sure to explain your answer.
Answer:
True
Step-by-step explanation:
y = -2x + 9 is already in slope-intercept form, so we can leave it be. 8x + 4y = 28, however, is not, so we have to convert it to find the answer.
To do this we have to separate the variable 4y from the rest.
We get 4y = -8x + 28.
But, y must equal zero, so to achieve this, we divide the entire equation by 4.
Then we get y = -2x + 7
Since the slopes are the same (-2x = -2x) the lines are parallel.
consider the sequence 1/2 ;4 ;1/4 ;7 ;1/8 ;10
Answer:
Consider the sequence
12,4,14,7,18 ,10,⋯. Calculate the sum of the first 50 y terms of that sequence
Evaluate the algebraic expression when f = 6, g = 8, h = 12 and j = 2.
6
7
8
9
Answer:
theres no expression..?
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
6
Fred wants to determine the mean hourly wage of the working students at his
school. He asks thirty of his friends their hourly wages and calculates the sample
mean to be $8. Which of these statements MUST be true?
The sample was randomly selected.
Bias was present and the sample was not randomly selected.
The sample was representative of all students at the school
The mean hourly range of the working students at the school is $8.
Answer:
Last Option
Step-by-step explanation:
For this to be true, everyone who works at school must be getting a wage of 8$ so the hourly range of working students at the school IS 8$
What are the values of x and y?
Answer: x=35 and y=72.5
Step-by-step explanation:
Everything os 360, so x is 35 because it los like it has the same measure as the another 35, so if you substract 70 360=290 and 290/4 = 72.5
solve x + (x + 30) + 2x
Answer: 4x + 30
Steps: x + (x + 30) + 2x
Remove the parentheses: x + x + 30 + 2x
Group like terms: x + x + 2x + 30
Add similar elements: 4x + 30
Plz mark brainliest :)
sin2x= ____.
a. (1-cos2x)/2
b. sin^2xcos^2x
c. 2cos^2x-1
d. 2sinxcosx
The expression sin2x is a trigonometric expression
The equivalent of sin2x is (d) 2sinxcosx
How to solve the trigonometric expressionThe expression is given as:
sin2x
Rewrite properly as:
sin(2x)
To solve the expression, we make use of the following double angle ratio
sin(2a) = 2sin(a)cos(a)
Substitute x for a in the above equation
sin(2x) = 2sin(x)cos(x)
Rewrite the equation as
sin2x = 2sinxcosx
Hence, the equivalent of sin2x is (d) 2sinxcosx
Read more about trigonometric expressions at:
https://brainly.com/question/8120556
Answer:
D
Step-by-step explanation:
A P E X
2.
A-210
23
Polynomial:
Equation
Answer:
Step-by-step explanation:
hello :
Polynomial:2x²+x-210 =0
Equation : x(2x+1)=210
WILL MARK BRANLIST!!!
Answer:
Step-by-step explanation:
Which is the quotient 2,956 ÷ 0.03?
Answer:
Step-by-step explanation:
Not sure what you mean by quotient but 2956?0.03
=98,533.3333333333333333333333
7,296÷24 please. Description also.
Find the slope of each line.
Please please help
What is the dependent variable?
A) height
B )armspan
Please help me solve this plsss
Answer:
no
Step-by-step explanation:
the sum of all 3 angles does not add up to 180 degrees, so no
Jill has to go to the post office before she drops her 3 children off at the elementary school. She is going straight home after dropping them off. How long is Jill traveling before going back home?
A. 9 miles
B. 12 miles
C. 18 miles
D. 27 miles
what is the simplified expression
Solution:
[tex]\rightarrow \frac{4^{-3} \times 3^{4} \times 4^{2} }{3^{5} \times 4^{-2} }[/tex]
[tex]\rightarrow 4^{-3 + 2} \times 3^{4 - 5} \times 4^{2} }[/tex]
[tex]\rightarrow 4^{-1} \times 3^{-1} \times 16}[/tex]
[tex]\rightarrow \frac{1}{4} \times \frac{1}{3} \times 16}[/tex]
[tex]\rightarrow \frac{1}{12} \times 16}[/tex]
[tex]\rightarrow \frac{16}{12}[/tex]
[tex]\rightarrow \boxed{\bold{\frac{4}{3} \tex\text{ (Option B)}}}[/tex]
Answer:
[tex]\dfrac43[/tex]
Step-by-step explanation:
[tex]\dfrac{4^{-3}\cdot3^4\cdot4^2}{3^5\cdot4^{-2}}[/tex]
Separate like terms:
[tex]\implies \dfrac{4^{-3}\cdot4^2}{4^{-2}}\cdot \dfrac{3^4}{3^5}[/tex]
Use exponent rule [tex]a^b \cdot a^c=a^{(b+c)}[/tex] :
[tex]\implies \dfrac{4^{(-3+2)}}{4^{-2}}\cdot \dfrac{3^4}{3^5}[/tex]
[tex]\implies \dfrac{4^{-1}}{4^{-2}}\cdot \dfrac{3^4}{3^5}[/tex]
Use exponent rule [tex]\dfrac{a^b}{a^c}=a^{(b-c)}[/tex]
[tex]\implies 4^{(-1--2)}\cdot {3^{(4-5)}[/tex]
[tex]\implies 4^{1}\cdot {3^{-1}[/tex]
Use exponent rule [tex]a^{-1}=\dfrac{1}{a}[/tex]
[tex]\implies 4\cdot \dfrac13[/tex]
[tex]\implies \dfrac43[/tex]
What is the value of x? 4 ( -x + 4 ) = 12
Answer:
x=1
Step-by-step explanation:
I need help now please and thanks
What is an equation for the line that passes that passes through the points (1, 1) and (3, 5)
Answer:
(6,9)
Step-by-step explanation:
Classify the number (choose all that apply): 3/4
Answer:
What are the answer choices? I would help but you didn't attach or write them.
Step-by-step explanation:
Evaluate the expression. −11 to the third power
The answer is -1331 because if you multiply -11x-11x-11 you get -1331.
Answer:
-1331
Step-by-step explanation:
Because i have a calculator
Help pls thank you! It’s math….
Answer:
○ [tex]\displaystyle (2x + 1)(2x - 5) = 0[/tex]
Step-by-step explanation:
Find two quantities that when differed to 8, they also multiply to 20. Those will be 2 and 10. The TINIER quantity gets the plus symbol because the B-value is −8, therefore 10 gets the minus symbol, leaving 2 with the plus symbol. In extension, sinse we have a leading coefficient greater than one, we need to take extra procedures. Here is how it is done:
[tex]\displaystyle y = 4x^2 - 8x - 5 \\ \\ y = [4x^2 - 10x] + [2x - 5] \\ \:\:\:\:\:\:\:\:\:\:\:2x[2x - 5]+ 1[2x - 5] \\ \\ \boxed{[2x - 5][2x + 1] = 0}[/tex]
I am joyous to assist you at any time.
The function g(x)=x^2+3 .the function f(x)=g(x+2)
Answer: x^2 + 4x + 7
Step-by-step explanation:
solve the equation x 2 1/2 = 3 1/4x
Answer: x=0, 13/2......
Triangle ABC is dilated by a scale factor of 4 to form triangle A'B'C.
The coordinates of vertex A' are
The coordinates of vertex B' are
The coordinates of vertex C’are
NEED HELP ASAP PLS
Answer:
Vertex A' (-8,4)
Vertex B' (-12,12)
Vertex C' (-4,12)
Step-by-step explanation:
Multiply all the coordinates by 4!
Answer:
[tex]A'(-8,4)\\B'(-12,12)\\C'(-4,12)[/tex]
Step-by-step explanation:
** Scale and/or dilate signal the operation symbol to be multiplication.
Definitions
[tex]A=(-2,1)\\B=(-3,3)\\C=(-1,3)[/tex]
Formulas
[tex]A'=A4\\B'=B4\\C'=C4[/tex]
Solve
[tex]A'=(-2,1)(4)=(-8,4)\\B'=(-3,3)(4)=(-12,12)\\C'=(-1,3)(4)=(-4,12)[/tex]
3+7+-31=17+3+=3
what property is being used
If one serving contains 90 calories, how many calories are in 4 1/2 serving
Answer: 405 calories
Step-by-step explanation:
Please help asap! I will gave brainlest!
Step-by-step explanation:
[tex] \frac{ \tan(x) + \cot(x) }{ \cot(x) } [/tex]
[tex] \frac{ \tan(x) }{ \cot(x) } + 1[/tex]
[tex] \frac{ \frac{ \sin(x) }{ \cos(x) } }{ \frac{ \cos(x) }{ \sin(x) } } + 1[/tex]
[tex]{ \tan {}^{2} (x) } + 1[/tex]
[tex] = \sec {}^{2} (x) [/tex]
can you please help me it's really urgent
Answer:
D
Step-by-step explanation:
I is true. Limits don't care if the point defined or not. All they care about is if they are approaching a value from both sides, unequivocally.
II is not true. We need more information about the type of function.
III is true. Since the point isn't defined but the limit exist, we have a removable discontinuity
Solve for the negative solution: -2 | 5x - 1 | - 3 = - 11
The negative solution is [tex]-\frac{3}{5}[/tex]
First, add 3 on both sides.
[tex]-2|5x-1|=-8[/tex]
Then, Divide both sides by -2
[tex]|5x-1|=4[/tex]
We know 5x-1 = 4 or 5x-1=-4
[tex]x=1[/tex] (positive)
[tex]x=-\frac{3}{5}[/tex] (negative)