Answer:
y = -5/9x + 4.1
(try doing this yourself first with different points to make sure this is the right answer, because im to lazy to check myself but ill try checking D:)
Step-by-step explanation:
first you have to find the slope . to do this use the equation y2 - y1/ x2 - x1
so write as -2 - 3/ -7 - 2 is equal to -5/-9
so now write y = -5/9x + b
we must now find the y-intercept so substitute one of the points given. lets substitute 2,3 it looks easier. So it will look like 3 = -5/9(2) + b
3 = -5/9(2) + b
3 = -10/9 + b
b = 3 + 10/9
b = 4.111111
um just round to the tenth place
Solve 18>12+x. Graph the solution.
Answer:
x < 6
Step-by-step explanation:
Step 1: Subtract 12 from both sides.
[tex]x+12-12 < 18-12[/tex] [tex]x < 6[/tex]Thus, the answer is x < 6.
HELP O_O
Use the remainder theorem to find the remainder when p(x)=x^4-9x^3-5x^2-3x+4 is divided by x+5
A.) 1644
B.) 1244
C.) -636
D.) -644
Answer:
A.) 1644
given equation: [tex]\sf p(x)=x^4-9x^3-5x^2-3x+4[/tex]
To be divided with ( x + 5 )
Then,
x + 5 = 0
x = -5
Put this into the equation to find the remainder.
[tex]\sf p(x)=(-5)^4-9(-5)^3-5(-5)^2-3(-5)+4[/tex]
[tex]\sf p(x)= 1644[/tex]
Use the remainder theorem to find the remainder when p(x)=x^4-9x^3-5x^2-3x+4 is divided by x+5
A.) 1644B.) 1244
C.) -636
D.) -644
~~~~~~~~~~~~~~~~~~~~~
[tex]\sf p(x)=x^4-9x^3-5x^2-3x+4[/tex]
[tex] \sf p(x) = (-5)^4 - 9(-5)^3 (-5)^2 - 3 (-5) + 4 [/tex]
[tex] \sf \green {(p(x) = 1644)} [/tex]
#CarryOnLearning
#LibreAngMatuto
Isoke is solving the quadratic equation by completing the square. 10x2 40x-13=0 10x2 40x=13 A(x2 4x)=13 What is the value of A? -13 4 10 40.
The value of A in solving the considered quadratic equation by completing the squares method is given by: Option
What is completing the squares method for solving the quadratic method?Suppose the considered quadratic equation is of the form [tex]ax^2 + bx + c = 0[/tex]
Then, completing the squares method tries to make a squared term in terms of x in the left side, so that x comes in linear form, instead of quadratic, as shown below:
[tex]ax^2 + bx + c = 0\\ax^2 + bx = -c\\\\\text{Multiplying 4a on both the sides}\\4a^2x^2 + 4abx = -4ac\\\\\text{Adding }b^2\text{ on both the sides}\\4a^2x^2 + 4abx + b^2 = b^2 -4ac\\or\\(2ax +b)^2 = b^2 - 4ac\\2ax + b = \pm \sqrt{b^2 - 4ac}\\\\x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}[/tex]
This provides two solution to the considered quadratic equation. These solutions can be real, or imaginary.
For the considered case, the quadratic equation is:
[tex]10x^2 + 40x - 13 = 0[/tex]
Applying the method as Isoke did, we get:
[tex]10x^2 + 40x - 13 = 0\\10x^2 + 40x = 13\\10(x^2 + 4x) = 13[/tex]
Therefore, we get the value of A as 10.
Learn more about completing the squares here:
https://brainly.com/question/9339524
Answer:
C
Step-by-step explanation:
edge 2022
HELP PLEASE
What is the volume of the composite figure
solve the inequality for 1>x+6 .
Answer:
-5 > x
Explanation:
To do this, you have to use the inverse operations. Subtract 6 from each side. That equals -5. Bring everything down and that is your answer!
At an animal shelter, there are 15 dogs and 12 cats.
What percent of the number of cats is the number of
dogs?
Answer:
Dogs: 44.44 Cats: 55.556
Step-by-step explanation:
*this is only if you are allowed to use a calculator*
1. You have to add the total of the cats and dogs
Why? Here, let me put it this way. You have a test with two sections: math and science. If there are 2 Maths Questions and 2 Science questions, what percent of the test are math questions? You would not say 2/2 and say 100. You would say 2/4 because it is obvious. You do the same in this case but it is not as noticeable because you are dealing with bigger numbers.
15 + 12 = 27.
2. Solve
a. There are 15 dogs and 12 cats that makes up 27 pets total.
So you have to do 12/27 for cats,
15/27 for dogs. The fractions equal one and It shows you how much of one is there compared to the total.
b. Simplify
You can simplify these fractions:
for 12/27, divide the numerator and the denominator by 3.
You get 4/9
Divide 15/27 for dogs by 3 as well to get 5/9.
5+4 is 9, which means that I am doing the math correctly.
According to the calculator, 5/9 is 55.556, and 4/9 is 44.444
They should be accurate because there are more dogs than cats and the percentage for dogs are higher. Hence, this is correct.
Cats = 4/9 = 44.444%
Dogs = 5/9 = 55.556%
Hope this helps :)
-jp524
When finding the margin of error for the mean of a normally distributed population from a sample, what is Alpha, assuming a confidence level of 74%? 0. 13 0. 26 0. 74 0. 87.
The value of alpha is 0.26, assuming a confidence level of 74%.
What is the margin of error?The significance level α is the probability of making the wrong decision when the null hypothesis is true.
Alpha levels which is also called as significance levels are used in hypothesis tests.
Given
When finding the margin of error for the mean of a normally distributed population from a sample.
The confidence interval = 74% = 0.74.
The value of the alpha is given by;
[tex]\rm \alpha =1- Confidence \ interval[/tex]
Substitute all the values in the formula
[tex]\rm \alpha =1- Confidence \ interval\\\\\alpha=1-0.74\\\\\alpha=0.26[/tex]
Hence, the value of alpha is 0.26, assuming a confidence level of 74%.
To know more about confidence interval click the link given below.
https://brainly.com/question/26725727
Round to the nearest tenth, (need work of trig) pleas
find the measure of arc ABD
Answer: 245 degrees
Step-by-step explanation:
What is the surface area of a sphere with radius 3?
O A. 367 units2
O B. 1877 units
O C. 37 units2
O D. 91 units2
The solution is, SA =36π unit² is the surface area of the sphere which is correct answer Option(A).
What is surface area of the sphere?We know that, The formula for the surface area of a sphere of radius
R is 4πR².
here, we have,
According to question, we have the radius of sphere as 3 units.
So, surface area of a sphere
⇒4πR²
⇒4π(3)²
⇒36π
The surface area of a sphere is given by
SA = 4 pi r^2
SA = 4 * pi * 3^2
SA =36 pi
SA =113.10
Hence, the surface area of the sphere is 36π unit².
Learn more about surface area of a sphere here:
brainly.com/question/14692728
#SPJ7
What is the measure of the base in the triangle below?
A. 11
B. 45
C. 25
D. 30
Step-by-step explanation:
AC+CB+BA=180
2x+23+3x-8+4x+1=180
9x+16=180
9x=180-16
9x=164
x=164/9
x=18.2
Find the area. Use 3.14 for pi and round your answer
Answer:
329.9 ft^2
Step-by-step explanation:
area = π · r^2
diameter = 2r so radius = 10.25
area = 3.14 · 10.25^2
10.25^2 = 105.06
3.14 · 105.06 = 329.9 ft^2
Given :-
diameter = 20.5 ftπ = 3.14[tex] \\ \\ [/tex]
To find :-
Area[tex] \\ \\ [/tex]
Solution:
To find area first we should know value of radius.
Diameter is given , and from diameter we can find value of radius.
[tex] \\ [/tex]
We know :-
[tex] \bf \ddag\boxed{\rm Diameter =2 \: radius } \bf \ddag[/tex]
By using this formula we can find radius.
[tex] \\ \\ [/tex]
[tex] \hookrightarrow\sf Diameter =2 \: radius [/tex]
[tex] \\ [/tex]
[tex] \hookrightarrow\sf 20.5 =2 \: radius [/tex]
[tex] \\ [/tex]
[tex] \hookrightarrow\sf \dfrac{205}{10} =2 \: radius [/tex]
[tex] \\ [/tex]
[tex] \hookrightarrow\sf \cancel\dfrac{205}{10} =2 \: radius [/tex]
[tex] \\ [/tex]
[tex] \hookrightarrow\sf \dfrac{41}{2} =2 \: radius [/tex]
[tex] \\ [/tex]
[tex] \hookrightarrow\sf2 \: radius = \dfrac{41}{2} [/tex]
[tex] \\ [/tex]
[tex] \hookrightarrow\sf \: radius = \dfrac{41}{2 \times 2} [/tex]
[tex] \\ [/tex]
[tex] \hookrightarrow\sf \: radius = \dfrac{41}{4} [/tex]
[tex] \\ [/tex]
[tex] \hookrightarrow\bf \: radius = 10.25[/tex]
[tex] \\ \\ [/tex]
Now let's find Area
we know :-
[tex] \bf \ddag\boxed{\rm Area = \pi radius {}^{2} } \bf \ddag[/tex]
[tex] \\ \\ [/tex]
So:-
[tex] \\ [/tex]
[tex] \dashrightarrow \sf Area = \pi radius {}^{2} [/tex]
[tex] \\ \\ [/tex]
[tex] \dashrightarrow \sf Area = \pi (10.5) {}^{2} [/tex]
[tex] \\ \\ [/tex]
[tex] \dashrightarrow \sf Area = \pi \times 10.5 \times 10.5 \\ [/tex]
[tex] \\ \\ [/tex]
[tex] \dashrightarrow \sf Area = \pi \times 110.25 \\ [/tex]
[tex] \\ \\ [/tex]
[tex] \dashrightarrow \sf Area = 3.14 \times 110.25 \\ [/tex]
[tex] \\ \\ [/tex]
[tex] \dashrightarrow \bf Area =346.19~ {ft}^{2} \{approx\}\\[/tex]
Which is a solution to x + 3 = 2x - 8? 10 11 12
Answer:
x=11
Step-by-step explanation:
Subtract 3 from both sides
x+3=2x-8
x+3-3 =2x-8-3
Then simplify it
x=2x-11
Again, subtract 3 from both sides
x-2x=2x-11-2x
Simplify
-x=-11
Divide both sides and simplify and then you get x=11
hi guys I need help in this problem can someone please help me.
y=30 x=60 that should be the answer sorry if it isnt
The fraction 1/3,1/6,1/4 and 1/2 are to be arranged from the smallest to the largest.which is the correct order
I just need the answers to 3.) and 6.) please show your work if you want brainlyist
Find the area of 3.) and 6.)
Answer:
3) 48 units²
6) 46 units²
Step-by-step explanation:
Question 3
This shape is a parallelogram with base of 8 units and height of 6 units.
Area of a parallelogram = base × height
= 8 × 6
= 48 units²
Question 6
This shape is a quadrilateral. It is made up of 3 triangles and a rectangle (see attached image for how to divide the quadrilateral)
Area of rectangle = width × length
= 4 × 6
= 24 units²
Area of a triangle = 1/2 × base × height
Triangle 1: 1/2 × 2 × 4 = 4 units²
Triangle 2: 1/2 × 6 × 2 = 6 units²
Triangle 3: 1/2 × 4 × 6 = 12 units²
Total area = 24 + 4 + 6 + 12 = 46 units²
4/6 X + 10/4 =-6/8x-10
Given :
[tex]\: {\qquad \sf \dfrac{4}{6} x + \dfrac{10}{4} = - \dfrac{6}{8}x - 10 }[/tex]
⠀
To Find :
The value of x.⠀
Solution :
[tex] {\qquad \sf \dashrightarrow \: \dfrac{4}{6} x + \dfrac{10}{4} = - \dfrac{6}{8}x - 10 }[/tex]
⠀
Subtracting [tex] \sf \: \dfrac{10}{4} [/tex] from both sides :
[tex] {\qquad \sf \dashrightarrow \: \dfrac{4}{6} x \: \: \cancel{+ \dfrac{10}{4}} \: \: \cancel{- \dfrac{10}{4}} = - \dfrac{6}{8}x - 10 - \dfrac{10}{4} }[/tex]
⠀
Adding [tex] \sf \dfrac{6}{8} x[/tex] to both sides :
[tex]{\qquad \sf \dashrightarrow \: \dfrac{4}{6} x + \dfrac{6}{8}x = \cancel{- \dfrac{6}{8}x } \: \: \cancel {+ \: \dfrac{6}{8}x} - 10 - \dfrac{10}{4} }[/tex]
[tex]{\qquad \sf \dashrightarrow \dfrac{4}{6} x + \dfrac{6}{8}x = - 10 - \dfrac{10}{4}}[/tex]
⠀
Adding the like terms :
[tex]{\qquad \sf \dashrightarrow \dfrac{32x + 36x}{24} = \dfrac{ - 40 - 10}{4} }[/tex]
[tex]{\qquad \sf \dashrightarrow \dfrac{68x}{24} = \dfrac{ - 50}{4} }[/tex]
[tex]{\qquad \sf \dashrightarrow \dfrac{34x}{12} = \dfrac{ - 25}{2} }[/tex]
⠀
By doing cross multiplication we get :
[tex]{\qquad \sf \dashrightarrow {68x} = - 300 }[/tex]
[tex]{\qquad \sf \dashrightarrow {x} = \dfrac{ - 300}{68} }[/tex]
[tex]{\qquad \bf \dashrightarrow {x} = \dfrac{ - 75}{17} }[/tex]
One box of cereal costs $3. How many boxes can you buy with $15?
Answer:
5 boxes
Step-by-step explanation:
Divide 15 by 3 and you'll get your answer
Hope that helps!
Step-by-step explanation:
1 = $3
x = $15
crossmultiply
3x = 15
x = 15/3
x = 5 boxes of cereal
if this helped pls give brainliest
what is an equation of a line that passes through the point (5,4) and is parallel to the line 6x-5y=15
Answer: y-4=1.2(x-5)
Step-by-step explanation:
Translate the sentence into an equationTwice the difference of a number and 2 equals 8
Answer:
(x-2)2=8
Step-by-step explanation:
Point B has coordinates (5,2). The x-coordinate of point A is 1. The distance between point A and point B is 5 units. What are the possible coordinates of point A?
Using Distance formula ,
[tex]\bold{d(AB) = \sqrt{ (x_{2} - x_{1}) {}^{2} + ( y_{2} - y_{1}) {}^{2} } }\\ \\\bold{5 = \sqrt{(5 - 1) {}^{2} + (2 - y) {}^{2} }} \\ \\\bold\blue{ squaring \: both \: sides\:,} \\ \\\bold{ 25 = (5 - 1) {}^{2} + (2 - y) {}^{2} }\\ \\\bold{ 25 = (4) {}^{2} + (4 + y {}^{2} - 4y)}\\ \\ \bold{25 = 16 + y {}^{2} - 4y + 4}\\ \\ \bold{25 = y {}^{2} - 4y + 20}\\ \\\bold{ y {}^{2} - 4y - 5 = 0}\\ \\\bold{ y {}^{2} - 5y + y - 5 = 0} \\\\\bold{ y(y - 5) + 1(y - 5) = 0}\\ \\\bold{ (y + 1)(y - 5) = 0 }\\\\\bold{ y = - 1 \: or \: y = + 5}[/tex]
therefore ,
possible coordinates of A are either ( 1 , -1 ) or ( 1 , 5 )
hope helpful~
WRITE AN EQUATION AND SOLVE FOR X.
x + 10 -
A
B
С
5
2x+6
x+10 =5 that is the answer because look at the example
answer for a lot of points
Answer:
7. uses like or as to compare two things
8. personification - in this case, the tropical storm is being given the human quality of sleeping
Hope this helps!
180 days of school, grace was absent 15%, what percent was grace absent
Answer:
27 days
Step-by-step explanation:
15% of 180 = 27
Which polynomial identity will prove that 49
= (2 + 5)2?
Step-by-step explanation:
error
Polynomial error: You have used illegal character ( = )..
Step by Step Solution
More Icon
Rearrange:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
49-((2+5)*2)=0
STEP
1
:
Equations which are never true:
1.1 Solve : 35 = 0
This equation has no solution.
A a non-zero constant never equals zero.
No solutions found
Brian has reduced his cholesterol level by 8% after his last check up. If his original level was 180, what is his approximate cholesterol level now?
Answer:
Hello
Step-by-step explanation:
The answer would be 165
Hope this helps
What is the equation
Answer:
2y = 8
Step-by-step explanation:
an equation contains an = symbol.
the others are inequalities.
also, from looking at the question, you can assume that it is 2y = 8 because the other to are the same type of inequality
A group of two friends each receive 612s of a pound of candy how much candy did they received total
Answer:
1224
Step-by-step explanation:
group of 2 friends each receive 612
so you do 612 x 2 = 1224
1/2 (29−x)=7.75 solve for x
urgent
[tex] \frac{1}{2} (29 - x) = 7.75[/tex]
[tex] \frac{1}{2} ( - x + 29) = 7.75[/tex]
[tex] \frac{1( - x + 29)}{2} = 7.75[/tex]
[tex] \frac{ - x + 29}{2} = 7.75[/tex]
[tex]2· \frac{ - x + 29}{2} = 2·7.75[/tex]
[tex] - x + 29 = 2·7.75[/tex]
[tex] - x + 29 = 15.5[/tex]
[tex] - x + 29 = 15.5 - 29[/tex]
[tex] - x = - 13.5[/tex]
[tex] \frac{ - x} {- 1} = \frac{ - 13.5 }{ - 1 } [/tex]
[tex]x = 13.5[/tex]
So, the value of x is 13.5.
are these quadrilaterals
Answer:
yes
Step-by-step explanation:
as you can see if you count them they are
Answer:
The shape on the very left of the picture is not a quadrilateral. However, the three other shapes are quadrilaterals.
Step-by-step explanation:
A shape is a quadrilateral if it has four sides and four angles. The shape on the left has five sides and five angles, therefore, not a quadrilateral.