Answer:
Below in bold.
Step-by-step explanation:
x^2 + 2x- 11 = 0
x^2 + 2x = 11
x^2 + 2x + 1 = 11 + 1
(x + 1)^2 = 12
x + 1 = ±√ 12
x = -1 ± √12
= -4.464, 2.464 to the nearest thousandth.
5 What is the perimeter? use 3,14
(4pts.)
for pi.
bun
Ilin
What is the total area? use 3.14 for pi.
Show ur work 30 points
Answer:
I don't understand the instructions, but I'll answer the question in the picture.
The angle next to 52 is vertical to y, so, 90-52=y.
Thus, y=38
Please i need help with this
A punch recipe calls for 4 1/3
cups of pineapple juice per serving. Julie is making 1 2/5
servings.
Which equation shows the amount of pineapple juice
Answer:
The equation is 4 1/3(2/5+1)
Step-by-step explanation:
So, it's 4 1/3+1 11/15=
65/15+26/15=91/15
6 1/15
2/5x4 1/3
Which is 2/5 x 13/3
Which is 26/15
Which is 1 11/5
The outer angle at the top C of the ABC is 112 °. If the bisector of the side AB intersects the side AC at point Q and the segment BQ is perpendicular to AC, find the magnitude of ABC
Step-by-step explanation:
The outer angle at the top C of the ABC is 112 °. If the bisector of the side AB intersects the side AC at point Q and the segment BQ is perpendicular to AC, find the magnitude of ABC
A train journey starts at 06:24 and ends and 21:16 on the same day how long is the journey give your answer in hours and minutes
Rewrite x^2 − 2x − 3 = 0 in the form (x − a)2 = b, where a and b are integers, to determine the a and b values.
a = 4 and b = 3
a = 3 and b = 2
a = 2 and b = 1
a = 1 and b = 4
6)Janel wants to sell her grandfather's antique 1932 Ford. She begins to set her price by looking at
ads and finds these prices: $24,600, $19,000, $33,000, $15,000, and 20,000. What is the mean
price?
Prices given by
24,60019000330001500020000Mean:-
[tex]\\ \rm\Rrightarrow \dfrac{Sum\:of\:price}{Total\:prices}[/tex]
[tex]\\ \rm\Rrightarrow \dfrac{24600+19000+33000+15000+20000}{5}[/tex]
[tex]\\ \rm\Rrightarrow \dfrac{111600}{5}[/tex]
[tex]\\ \rm\Rrightarrow 22220\$[/tex]
mean price = $22320
mean is the average of a set of given numbers
set { $24,600, $19,000, $33,000, $15,000, $20,000 }
[tex]\sf m = \dfrac{\text{sum of the terms}}{\text{number of terms}}[/tex]
total 5 number of terms.sum of terms: 24,600 + 19,000 + 33,000 + 15,000 + 20,000 = 111600[tex]\hookrightarrow\sf mean = \dfrac{111600}{5}[/tex]
[tex]\sf \rightarrow mean = 22320[/tex]
Find the equation of the line that goes through the points (0, 4) and (10, 2).
y = -1/5 x + 4
y = -5x + 4
y = -1/5 x + 2
y = 1/5 x - 4
Answer:
1st option
Step-by-step explanation:
Check out the attached photo
Nate surveyed 90 students at his school about their favorite class. Based on the graph, how many of the 630 students in the school would be expected to say their favorite class is Reading or Math?
Using proportions, it is found that 420 students in the school would be expected to say their favorite class is Reading or Math.
What is a proportion?A proportion is a fraction of a total amount, and the measures are related using a rule of three.
In this problem, out of 90 students, 20 + 40 = 60 students prefer reading or math. How many do out of 630? Thus, the rule of three is given by:
60 prefer reading of math - 90 students.
n prefer reading of math - 630 students.
Applying cross multiplication:
90n = 630 x 60
n = 630 x 60/90
n = 7 x 60
n = 420
420 students in the school would be expected to say their favorite class is Reading or Math.
More can be learned about proportions at https://brainly.com/question/24372153
Kyle know, that if he tosses a coin, there a 50% probability of seeing it land head up . He tossed a coin in air 30 times and saw it land heads up 19 times. What is the difference between the predicted probability and the actual outcome of the coin toss?
Answer:
4 times, 2/15, 4/30
Step-by-step explanation:
The predicted probability is 15/30.
So, 19/30-15/30 IS 4/30, or 2/15.
Yo I need to bring up my grade bad so
2x=5+y
(please show it graphed already :D)
Answer:
Step-by-step explanation:
Tom has read 5/8 of the 360 pages in the book how many pages are left to read?
Answer:
135
Step-by-step explanation:
5/8=0.625
1-0.625=0.375
0.375 times 360=135
Malaya and Peyton run a race. Malaya takes 42 seconds to run the race. She is 7 seconds faster than Peyton. How many seconds does Peyton take?
Answer:
35 seconds
Step-by-step explanation:
Subtract 42 from 7
then you'll 35 secs
this is for my geometry final please help me pass
Step-by-step explanation:
cos(x) = 5/13
the relation is
sin²(x) + cos²(x) = 1
so,
sin²(x) + (5/13)² = 1
sin²(x) + 25/169 = 169/169
sin²(x) = 144/169
sin(x) = 12/13
good luck !
anyone? please answer it
Answer:
2(3-√13) is the answer
Step-by-step explanation:
Given that,
x = \frac{3 - \sqrt{13} }{2}
or, \frac{1}{x} = \frac{2}{3 - \sqrt{13} } (Taking reciprocal on both sides)
We know that,
(a + b)² = a² + b² + 2ab
or, (x \ + \frac{1} {x})^{2} = {x}^{2} + \frac{1}{x {}^{2} } + 2
or, {x}^{2} + \frac{1}{x {}^{2} } = (x \ + \frac{1}{x })^{2} - 2
Now,
or, {x}+ \frac{1}{x } = \frac{3 - \sqrt{13} }{2} + \frac{2}{3 - \sqrt{13} }
or, (3 - \sqrt{13 {})^{2} } + 4
2(3-√13) is the answer
If you didn't understand the frac etc... then I'll attach the f ans file.
please help with these 4 questions
We use the BODMAS method to solve the given questions.
Solve the Bracket then Divide Multiply Add and Subtract
1. 32÷4×(16×1/2) - 2
= 32÷4 × ( 8 ) - 2
= 8 × 8 - 2 = 64 - 2 = 62
2. 20 ÷ (5×2/5) + 3
= 20 ÷ (2) + 3 = 20 ÷ 2 + 3
= 10 + 3 = 13
3. 1/2 ×(6×4) ÷ 3 + 2
= 1/2 × 24 ÷ 3 + 2
= 1/2 × 8 + 2
= 4 + 2 = 6
4. 2 (6÷2+8) - 4
= 2 (3+8) - 4
= 2 × 11 - 4
= 22 - 4
= 18
math help please it is overdue
Answer:
X = 20
Y = 10√3 or 17.32 or 17.3
Steps given below in the image,
I hope my answer helps you.
Answer:
x = 20
y = 17.32
Step-by-step explanation:
[tex]10 = x \cos 60 \degree \\ \\ \implies \: 10 = x \times \frac{1}{2} \\ \\ \implies \: 10 \times 2= x \\ \\ \implies \: \huge{ \boxed{x = 20}} \\ \\ y = 10 \tan \: 60 \degree \\ \\ \implies \: y = 10 \times \sqrt{3} \\ \\\implies \: y = 10 \times 1.732 \\ \\\implies \: \huge{ \boxed{ y = 17.32}}[/tex]
please help URGENT!! What is the area of the red shaded region?
Answer:
5
Step-by-step explanation:
54÷8 x 4 ÷2 means that your answer would be 12
James and his family spend a morning picking peaches. They fill several bags. This line plot shows the weight of each bag.
How many more pounds does one of the heaviest bags weigh than one of the lightest bags?
Enter your answer as a fraction in simplest form by filling in the boxes.
Answer:
3/4
Step-by-step explanation: i took test. pls give brainliest.
If x and y are complementary angles, then x and y are
Step-by-step explanation:
complementary angles sum up to 90
[tex]x + y = 90[/tex]
[tex]45 + 45 = 90[/tex]
[tex]x = 45 \\ y = 45[/tex]
find the solution of y=x+3 and y=2x+6
Answer:
x = 3 and y = 0
Step-by-step explanation:
To find the solution where you have two equations is called a System of Equations.
What you do is you notice there are two equations and the let both equations equal each other. We can do this because both equations start with a y. These "y" work like puzzles and you can connect the "x+3" and "2x + 6" together. Then solve for it. Here's what i mean,
y = x+3
y = 2x+6
Now connecting them,
x+3 = 2x+6
Subtract x from both sides
3 = x + 6
Subtract 6 from both sides,
x = -3
Now solve for y,
y = -3 + 3 = 0
So our solution is x = 3 and y = 0.
Answer:
(x, y) = (-3, 0)
Step-by-step explanation:
Substitution or elimination work well for solving this system of equations.
__
EliminationSubtract the first equation from the second.
(y) -(y) = (2x +6) -(x +3)
0 = x +3
-3 = x . . . . . . . subtract 3
y = (-3) +3 = 0 . . . . use the first equation to find y
(x, y) = (-3, 0)
__
SubstitutionUse the second equation to substitute for y in the first.
2x +6 = x +3
x = -3 . . . . . . . . . subtract x+6 from both sides
y = (-3) +3 = 0 . . . . find y using the first equation
(x, y) = (-3, 0)
__
A graphing calculator answers these quickly.
Two people meet in the conference room on the fourth floor of a building. On departure, one person travels West
24 feet, South 18 feet, and Down 18 feet. The other person travels North 24 feet, East 12 feet, and Up 18 feet.
How far apart are the two people? Round to the nearest tenth.
Answer:
36*(5)^0.5
Step-by-step explanation:
distance on horizontal 36 feet
distance on vertical 78 feet
so distance between them = (36^2+78^2)^0.5 = 36*(5)^0.5
The two people are 66 feet apart from each other.
How to elaborate the problem ?
The 1st person travels 24 feet west, 18 feet south and 18 feet down.
The location of 1st person is (-24, -18, -18) , the negative sign is to convert all in same direction.
The 2nd person travels 12 feet east, 24 feet north and 12 feet up.
The location of 2nd person is (12, 24, 18)
How to find the distance between them ?The distance between (-24, -18, -18) & (12, 24, 18 = [tex]\sqrt{(-24-12)^{2}+(-18-24)^{2}+(-18-18)^{2} }[/tex] feet
= [tex]\sqrt{(-36)^{2}+(-42)^{2}+(-36)^{2} }[/tex]) feet
= 66 feet
Learn more about direction problem here :
https://brainly.com/question/27256951
#SPJ2
Need ans for it fastt!!
[tex]\text{L.H.S}\\\\=\dfrac{1}{\sin^2 A} - \dfrac1{\tan^2 A}\\\\\\=\dfrac{1}{\sin^2 A}- \dfrac{1}{\tfrac{\sin^2 A}{\cos^2 A}}\\\\\\=\dfrac{1}{\sin^2 A} - \dfrac{\cos^2 A}{\sin^2 A}\\\\\\=\dfrac{1 - \cos^2 A}{\sin^2 A}\\\\\\=\dfrac{\sin^2 A}{\sin^2 A}\\\\\\=1\\\\=\text{R.H.S}\\\\\text{Proved.}[/tex]
Mrs. Miller is measuring fabric for costumes for the school's musical. She
needs 10.5 meters of fabric. She has 140 centimeters of fabric. How much more
fabric does Mrs. Miller need?
Answer:
9.1 meters or 910 centimeters
Step-by-step explanation:
10.5 meters = 1050 centimeters
1050 - 140 = 910 centimeters
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!!
What is the mode of 10,9,10,9,10,8
Answer:
its 10
Step-by-step explanation:
The reason its 10 is because it shows more 10 then any number
2; 4; 6; 8; ...
1. describe the relationship between the position of the term and the value of the term in the sequence in words
2. write down a general term for the sequence in terms of n: Term n = ........
3. use the general term to find the 10th and the 20th term in each sequence
Paul buys snacks for his flight. He compares cashews to yogurt raisins. The cashews weigh 205
grams, and the yogurt raisins weigh 186 grams. What is the difference between the weight of the
cashews and yogurt raisins?
Answer: The difference between the weight of the cashews and yogurt raisins is 19 grams.
Step-by-step explanation:
205-186 = 19 grams
hope this helps!
hi, i am struggling to find this algebra 2 answer can anyone help? ill give you whatever u want
Answer:
Step-by-step explanation:[tex]-\frac{9}{x-9}[/tex]
Answer:
-9(1+x)
-------------
(x-7)(x+7)=0
Step-by-step explanation:
We use factorisation of quadrats
The volume of a square pyramid with a height of 12m is 100 m find the Length of the square base.
