What is the equation of a line that is perpendicular to 2x+y=−4 and passes through the point (2, −8)?
please help!!!!!!!!!!!!!!
Answer:
y2=(1/2)x-9
Step-by-step explanation:
y= -2x-4
perpendicilar so multiplication of slope is -1
-2*m2=-1
m2=1/2
y2=(1/2)x+c need to passes trough (2,-8)
-8=(1/2)*2+c
-8=1+c
c=-9
y2=(1/2)x-9
sinxcscx - cos^2x = sin^2x Verify it pls explain how so i know how to do it
Step-by-step explanation:
sin(x)×csc(x) - cos²(x) = sin²(x)
csc(x) = 1/sin(x) (basic definition)
therefore,
sin(x)×csc(x) = sin(x) × 1/sin(x) = 1
1 - cos²(x) = sin²(x)
1 = sin²(x) + cos²(x)
and that is again a basic definition based on the standard circle with radius = 1. there we have the Pythagoras principle, as sin and cos are the legs of a right-angled triangle, with radius 1 being the Hypotenuse.
You have several boxes with the same dimensions. They have a combined volume of 4x4-21x²-46x + 219x + 180. Determine whether the binomial below could represent the number of boxes you have.
x+3
A) Yes; x+3 divides evenly. you get 4x^3-33x^2+53x+60
B)No; x-3 does not divide evenly. You get 4x^3-33x^2+53x+60 with a remainder of 12.
C)No; x+3 divides evenly. you get 4x^3-33x^2+53x+60
Answer:
The following are the choices for this problem:A. x+4 B. x+3 C. x-5 D. 4x+3
Factoring 4x^4-21x^3-46x^2+219x+180, this will give us then the short answer of x+4.
The factor theorem states that if x-n is a factor of function f(x) = 4x^4-21^3-46^2+219x+180 then f(x) = 0.
So let us evaluate f(-4) which gives 4(256) - 21(-64) -46(16) +219(-4) + 180 = 936
Since the function f(-4) does not equate to zero, we could say that x+ 4 is not a factor.
So using x+3: f(-3) = 4(81) - 21(-27) -46(9) +219(-3) + 180 = 0, so x+3 is a factor.
Step-by-step explanation:
hope this helps if do mark brainllest
pls help me to answer this
Explanation:
We'll have rectangles to represent the four categories mentioned in the table. The height of each rectangle (known as a "bar") represents the number of people in that particular category.
For example, we have 11 people who rated their visit as "poor", so the bar labeled "poor" will be 11 units tall. The same will apply to the other bars.
Pay special attention there are gaps between adjacent bars. This is in contrast to a histogram where there are no gaps. This is simply a style choice.
41.6%, 15/25, 4.3, 18.4, 1/4 greatest to least
I will mark brainliest and please no links
Answer:
18.4, 4.3, 0.6, 0.416, 0.25
Step-by-step explanation:
Change all sets to the same value (decimal)
41.6 / 100 (move decimal 2 to the left) =
0.416
15/25 =
0.6
4.3
18.4
1/4 =
0.25
Data:
0.416, 0.6, 4.3, 18.4, 0.25
greatest to least;
18.4, 4.3, 0.6, 0.416, 0.25
What are the factors of m2 – 12m 20? m – 14 and m – 6 m – 10 and m – 2 m – 9 and m – 3 m – 5 and m – 4
Answer:
B
Step-by-step explanation:
-10 and -2
Answer:
-10 and -2
Step-by-step explanation:
Is the triangle shown below a right triangle?
No, not a right-angle triangle
The 3.5 should be 3.3 instead
Hope this helps!
Answer:
no ,left
Step-by-step explanation:
The product of two integers is 72.
If one integer is 9 what is the other integer?
Answer:
8
Step-by-step explanation:
a*b=72
a=9
9*b=72
b=72/9
b=8
Expand & simplify
4
(
x
+
5
)
+
5
(
x
−
5
)
4(x+5) + 5(x-5)
The first step is to distribute (PEMDAS --> parenthesis)
4x + 20 + 5x - 25 Now combine like terms
9x - 5
Thus, the answer is 9x-5
find a, b, and c please and thank u
Please help, I need it soon.
In degrees what is the measure of MFE
There's a lot going on in this problem, but I think I know how to solve it. So let's first address the fact that opposite angles are equal.
Let's also address the fact that (x + 6) + (3x - 4) add up to equal 90. So with that information, we can write a problem.
x + 6 + 3x - 4 = 90
Add the x's.
4x + 6 - 4 = 90
Combine the 6 and 4.
4x + 2 = 90
Subtract the two on both sides.
4x = 88
Finally, divide by 4.
x = 22
But by no means are we done yet. We still have to find out the entire angle MFE's measure, so we'll substitute 22, our new x value, into the equation for MFE - (x + 6)
22 + 6 is the new equation.
22 + 6 = 28
Angle MFE is 28°. I took the liberty of solving for the other angle, too, so I could check the answer. And as of my checking, this answer is correct because
62 + 28 = 90
I hope this answers your question.
-Toremi
help me plsssssssssssaaaa
Answer:
the area would be 11/6 yards^2
or 1 5/6 yards^2 or 1.8333333...yards^2
Step-by-step explanation:
turn 2 3/4 into 11/4 and multiply with 2/3 to get 22/12 divide by 2 to get 11/6 then simplify
Step-by-step explanation:
Turn 2 3/4 into an improper fraction
11/4
Multiply both fractions
2/3 × 11/4 = 22/12
Simplified is 11/6 (you divide 22/12 by 2)
Three metallic tanks have the capacities of 447 litres, 577 litresand 669 litres. Find the capacity of the largest container that can fill the tanks an exact number of times, leaving a remainder of 7 litres, 5 litres and 9 litres respectively. (3 marks)
Answer:
44 litres
Step-by-step explanation:
We subtract the remainders from the amounts.
447 - 7 = 440
577 - 5 = 572
669 - 9 = 660
Now we need the GCF of 440, 572, 660
440 = 2³ × 5 × 11
572 = 2² × 11 × 13
660 = 2² × 3 × 5 × 11
GCF = 2² × 11 = 44
The greatest common factor is 44.
Answer: 44
Check:
447/44 = 10 reminder 7
577/44 = 13 remainder 5
669/44 = 15 remainder 9
Mathematics question please help (image)
Answer:
I think the answer is twenve
The complete product is:
3 x 2/3 + 1/5 x 2/332/152 2/15.What is Fraction?Every fraction has a numerator and a denominator separated by a horizontal bar known as the fractional bar.
The denominator represents the number of components into which the whole has been subdivided. It is positioned below the fractional bar in the lower section of the fraction.The numerator specifies how many fractional parts are depicted or selected. It is positioned above the fractional bar in the upper section of the fraction.As, the length of the painted area is 3 1/5 and width of the painted area is 2/3.
So, multiplication of length and width is as follows:
3 1/5 x 2/3
= 3 x 2/3 + 1/5 x 2/3
= 6/3 + 2 / 15
= 30 + 2 / 15
= 32/ 15
= 2 2/15
Thus, the required fraction is 2 2/15.
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What’s the answer I need help asap
Answer:
The equation is y = x-2
The equation of the line will be y = x - 2.
What is an equation of the line?An equation of the line is defined as a linear equation having a degree of one. The equation of the line contains two variables x and y. And the third parameter is the slope of the line which represents the elevation of the line.
The general form of the equation of the line:-
y = mx + c
m = slope
c = y-intercept
The slope of the line is,
[tex]m = \dfrac{y_2-y_1}{x_2-x_1}[/tex]
From the given table consider the two points as,
( 14, 12 )
( 13, 11 )
The slope is calculated as,
[tex]m = \dfrac{12 - 14}{11-13}[/tex]
m = 1
The y-intercept is calculated as,
y = mx + c
y = x + c
12 = 14 + c
c = -2
The equation of the line can be written as,
y = mx + c
y = x - 2
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Which of the following is a simpler way to write startfraction cosine theta over sine theta endfraction? tan theta sec theta csc theta cot theta
The simpler form of the expression cos [tex]\theta[/tex]/sin [tex]\theta[/tex] by using the trigonometry formulas is a cot [tex]\theta[/tex].
What is the trigonometric ratio?The trigonometric ratio is defined as the ratio of the pair of sides of a given right-angled triangle.
We have the expression:
[tex]\rm \frac{cos \theta}{sin \theta}[/tex]
we know that
[tex]tan \theta = \frac{sin \theta}{cos \theta} \\[/tex]
also,
[tex]\rm tan \theta = \frac{1}{cot\theta} \\[/tex]
So, By using these trigonometry formulas, we get:
[tex]cot \theta = \frac{cos \theta}{sin\theta} \\[/tex]
Thus, the simpler form of the expression [tex]\rm \frac{cos \theta}{sin \theta}[/tex] is cot [tex]\theta[/tex].
Know more about trigonometry here:
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Answer:
D. cot 0
Step-by-step explanation:
In the figure below
what does the length equal?
Answer:
23.2 inches
Step-by-step explanation:
[tex]2(3 \sqrt{15} ) = 6 \sqrt{15} = 23.24 [/tex]
i’m confused on this and i just moved from schools so
Answer:
(-2,3)
Step-by-step explanation:
The point where two lines cross should be your answer!!!
(-2,3) is where the two lines meet/cross!!
That is the definition of a system on a graph!
-Where two lines meet/cross!!
A rectangle has a width of 8 inches. The perimeter of the rectangle is 40inches. What is the length of the rectangle, in inches?
Show the formula please and work plus answer thank you
Answer:
12
Step-by-step explanation:
You want to add 8+8 and you get 16. Subtract 16 from 40 and you get 24 (This is both lengths). Divide 24 by two to get 12 (One length Vaule).
What is it? pls help!
Answer: rational number
Step-by-step explanation: -2.33333 ...
Answer:
Classifications 1 & 2
Step-by-step explanation:
Real number: because It is located on the number line, belongs to negative numbers.
Rational number: because it is a fraction (quotient)
-7/3 it is not a integer number or whole number
Hope this helps
7 whole number 2/3 -4 5/6 + 2 3/8
pleaseeeeeeeeee help math
Answer: 8
Step-by-step explanation: to find 20% multiply 40 by .20
Who is correct Jared or Jim?
Answer:
b) Jim
Step-by-step explanation:
Given the angle measures lf Jared's triangle, Jim can draw one that is similar. However he cannot draw one that is congruent without knowing the measure of at least one side.
__
Jim is correct that he needs more information.
Alissa has purchased land for $42,000. Its value is increasing at a rate of 1.75% per year. What will be
the approximate value of the land in 12 years?
Answer:
42000(1.0175)^12 = $51720.45
Step-by-step explanation:
what is the surface area of this drawing
Answer:
should be 512 inches because l x w x h (8x8x8) is 512
Frazer scores 70% in a spelling test. If there are 40 spellings, how many did he get right?
The number of the correct spellings is 28.
What are percentages?The Percentage is defined as representing any number with respect to the 100. It is denoted by the sign %.
Given that:-
Frazer scores 70% on a spelling test. If there are 40 spellings,The number of the spellings are:-
N = 40 x 70% = 28
N = 40 x (70/100) = 28
Therefore the number of the correct spellings is 28.
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-2 1/5 (10x - 4.4) - 0.32
PLEASE HELP
Find the length of the missing side of a right triangle if a=6 & c=11
rad85
rad157
rad5
rad17