the graph of y = 4x^2 - 4x - 1 is shown use the graph to find estimates for the solutions of a and b
Answer:
a) -0.25 and 1.25
b) -0.5 and 1.5
Step-by-step explanation:
a) For 4x^2-4x -1 = 0
What we have to do here is to simply find he points on the x-axis in which the graph crosses it
we have this as;
approximately-0.5 and 1.5
what we are saying is that the plot crosses the x-axis at x = -0.25 and x = 1.25
ii) what we have to do here is to find the point at which y = 2
After finding this point, we trace it to the plot sideways, before we trace to the x-axis
By tracing, we have the crossing on the x-axis at these points at -0.5 and 1.5
Help me please, I have a asked this question a lot of times. Please!!
Answer:
line ML are parallel to line OP
Step-by-step explanation:
Solve the system of equation 3x+2y=26 and 2x+5y=32 by the method of elimination
Answer:
(-18,40)
(x,y)
by-step explanation:
-2(3x+2y=26)
3(2x+5y=32)
-6x-4y=-52
+ 6x+5y=92
1y/1=40/1
y=40
3x+2y=26
3x+2(40)=26
3x+80=26
-80 -80
3x/3=-54/3
x=-18
The ages of three girls; Mandy, Dora and Ann are, 113 base 4 , 133 base 4 , and 131 base 4 respectively;
find the difference between the sum of the ages of Dora and Ann and that of Mandy
Answer:
211 base 4
Step-by-step explanation:
Sum of dora and Ann = (133+131) base 4
= 330 base 4
Difference = (330-113) base 4
= 211 base 4
Find the 6th term 9 18 36
Answer:
I think the answer is 288.
Step-by-step explanation:
The rule seems to be multiplying the past number by 2. So, 9*2=18 and 18*2=36. If we continued that rule we would then get 72, 144, and the sixth term is then 288.
hope this helps :D
Answer:
Step-by-step explanation:
This is a geometric sequence because any term divided by the previous term is a constant called the common ratio. r=36/18=18/9=2 A geometric sequence is expressed as
[tex]a_n=ar^{n-1},\text{ where a=initial term, r=common ratio, n=term number}\\ \\ a_n=9(2^{n-1})\\ \\ a_6=9(2^5)\\ \\ a_6=288[/tex]
Just say anything pls HELP
Answer:
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
match each set of values to its correct median
Answer:
purple = 6
orange = 4
blue = 2
red = 5
green = 3
Step-by-step explanation:
hope this helped
Answer:
Step-by-step explanation:
hope this helps
What is the solution to the equation?
Answer:
B
Step-by-step explanation:
98+g=150
98+g-98=150-98
g = 52
what is distance between C(−5,−2) and D(0,−4)
Answer:
[tex]\displaystyle d = \sqrt{29}[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Coordinates (x, y)Algebra II
Distance formula: [tex]\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]Step-by-step explanation:
Step 1: Define
Point C(-5, -2)
Point D(0, -4)
Step 2: Find distance d
Simply plug in the 2 coordinates into the distance formula to find distance d
Substitute in points [Distance Formula]: [tex]\displaystyle d = \sqrt{(0+5)^2+(-4+2)^2}[/tex][√Radical] (Parenthesis) Add: [tex]\displaystyle d = \sqrt{(5)^2+(-2)^2}[/tex][√Radical] Evaluate exponents: [tex]\displaystyle d = \sqrt{25+4}[/tex][√Radical] Add: [tex]\displaystyle d = \sqrt{29}[/tex]The length of an object, f(x), in yards, is a linear function of the length of the object, x, in feet. What units should be used to describe the rate of change in f(x) with respect to x?
A.
Inches per foot
B.
Feet per yard
C.
Yards per foot
D.
Yards per inch
Answer:
DADDY CHILL
Step-by-step explanation:
2x+5=? when x is 3 what is the answer
Answer:
11
Step-by-step explanation:
since x=3
2*3+5
you simplify 2*3 first
6+5
=11
hope this helped
giving me brainliest will make me happy
>
Find the next three values in the sequence,
-64,-32,-16,-8...
Answer:
-4, -2, -1
Hope that helps!
Step-by-step explanation:
Answer:
Step-by-step explanation:
geometric sequence with common ratio = 1/2
a₅ = a₄(1/2) = -4
a₆ = a₅(1/2) = -2
a₇ = a₆(1/2) = -1
HELP PLS ILL GET FINES AND HELD BACK AND IM POR
Answer:
it would be c
Step-by-step explanation:
Beacause 3x2 equal 6 you do not multiply the dinominator
"The product of a number and -7,
increased by 9, is at most 16."
help please i will give brainliest thanks so much please helppop
Lin's sister has a checking account. If the account balance ever falls below zero, the bank charges her a fee of $5.95 per day. Today, the balance in Lin's sister's account is -$2.67. In 14 days, Lin's sister will be paid $430 and will deposit it into her checking account. If there are no other transactions besides this deposit and the daily fee, will Lin continue to be charged $5.95 each day after this deposit is made? Explain or show your reasoning.
Answer: No, the bank will not keep charging her the $5.95 after the deposit is made.
Step-by-step explanation:
Today, Lin's sister's balance is -$2.67
She gets charged $5.95 per day.
There are 14 days until she can charge some money in the bank account, so the bank will charge $5.92 14 times
So her balance after 14 days will be:
Balance = -$2.67 - $5.95*14 = -$85.97
When she charges the $430 in the account, her balance will be:
Balance = -$85.97 + $430 = $344.03
So now she has a positive balance, which means that the bank does not charge her anymore.
what is the slope of the line that passes through the points (3,-2) and (9,-2)? 0 3 -3 undefined
Answer:
[tex]\boxed{\textsf{ The slope of the line is $\bf{\dfrac{3}{2}}$.}}[/tex]
Step-by-step explanation:
Two points are given to us and we need to find the slope of the line that passes through these two points . The two points are (3,-2) and (9,-2) .As we know that the slope of the line is given by [tex]\tan\theta[/tex]
Slope of a line is :-
[tex]\qquad\boxed{\boxed{ \sf Slope =\dfrac{ y_2-y_1}{x_2-x_1}=\tan\theta }}[/tex]
On using this formula we can find the slope of the line .
Putting the respective values :-
[tex]\sf\implies Slope = \dfrac{y_2-y_1}{x_2-x_1}\\\\\sf\implies Slope = \dfrac{ 9-3}{2+2} \\\\\sf\implies Slope =\dfrac{6}{4}\\\\\sf\implies\boxed{\pink{\sf Slope = \dfrac{3}{2} }}[/tex]
Answer:
Its zero -w-
Step-by-step explanation:
7x - 1 = 4x + 8
And explanation
Answer:
X = 3
Step-by-step explanation:
Answer:one solution i think
Step-by-step explanation:
The length and width of a rectangle are shown below.
50 X
2x+10
Please hurry
The expression -2x² + 90x +500 represents the area of the rectangle if the length and width of the rectangle are (50 - x) and (2x + 10) option (c) is correct.
What is the area of the rectangle?It is defined as the area occupied by the rectangle in two-dimensional planner geometry.
The area of a rectangle can be calculated using the following formula:
Rectangle area = length x width
Area of rectangle = (50 - x)(2x+10)
[tex]\rm -2x^2+90x+500[/tex]
Thus, the expression -2x² + 90x +500 represents the area of the rectangle if the length and width of the rectangle are (50 - x) and (2x + 10) option (c) is correct.
Learn more about the rectangle here:
https://brainly.com/question/15019502
#SPJ2
AL
2
In a high school stadium there are 750 seats. There are twice as many seats in the home
section as there are in the visitor section. Which system of equations could be used to
determine the number of seats in the home section, h, and the number of seats in the
visitor section, v, in the stadium?
PLEASE HELP HURRY PLEASEEE
Answer:
There are 250 home section and 2(250) = 500 visitor section.
Step-by-step explanation:
Let there are h number of seats in the home section and v is the number of seats in the visitor section.
h+v = 750 ...(1)
There are twice as many seats in the home section as there are in the visitor section.
v = 2h ...(2)
From equations (1) and (2).
h+2h = 750
3h = 750
h = 250
Hence, there are 250 home section and 2(250) = 500 visitor section.
IREADY MATH LEVEL G
HELP ASAP DUE AT 11:59!!
Increase £19060 by 9% Give your answer rounded to 2 DP.
Answer:
Step-by-step explanation:
= £19060 * 9%
= 1715.4
Increase £19060 by 9%
= £19060 + 1715.4
= £20,775.4
Hope this helps you. Do mark my answer as brainly.
I need two equations
Answer:lol
Step-by-step explanation: booooooo
Part B
Maria has $3,000 in the bank, has a home worth $150,000, and has a $75,000 home loan. She also has $10,000 in Investments and a $15,000
student loan. What is Maria's net worth? Show your work please
Answer:
$73,000
Step-by-step explanation:
To answer, you simply subtract and add numbers along the way. First, because Maria has money in the bank and her home is worth money, we add those numbers together:
3,000 + 150,000 = 153,000
Now, because she has a home loan, that means she owes money, so you subtract that from her net worth so far:
153,000 - 75,000 = 78,000
Her investments money would be added:
78,000 + 10,000 = 88,000
And another student loan would be subtracted:
88,000 - 15,000 = 73,000
So, Maria's net worth is $73,000
Hope this helps :)
whats -11 + x =19
i just dont know what we do can someone help me?
I need an answer as soon as possible
Answer:
16/4 or 4
Step-by-step explanation:
Find the reciprocal of 1/16 which is 16/1 and multiply it to 1/4. 1/4 times 16/1 equals 16/4. Jessie accidentally multipled the fractions without finding the reciprocal of 1/16.
Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.
An event organizer is reserving rooms for two company-wide events. For the quarterly meeting this month, she reserved 3 conference rooms and 5 ballrooms, which can seat a total of 399 attendees. For safety training next month, she reserved 1 conference room and 5 ballrooms, which can seat 363 attendees. How many attendees can each room accommodate?
Answer:
x=18 y=69
Step-by-step explanation:
3x+5y=399
x+5y=363
2x=36
x=18
18+5y=363
5y=345
y=69
You pick a card at random. You put the first card back, and you pick a second card at
random.
5 6 7 8
Answer:
Step-by-step explanation:
maybe 8 or 1/9
what is 50 + 60 + 90 + 1000 + 800 + 76 - 50 + 84 - 60 -76 + 47
Answer:
6971
Step-by-step explanation:
The distance between point Q and point P is 6 1/2 units .Which number could represent point Q?please help me
Answer:
[tex]Q =2\frac{1}{2}[/tex] or [tex]Q =- 10\frac{1}{2}[/tex]
Step-by-step explanation:
Given
[tex]P = -4[/tex] --- missing from the question
[tex]Distance = 6\frac{1}{2}[/tex]
Required
Determine the possible value of Q
The distance can be calculated using absolute function as:
[tex]Distance = |Q - P|[/tex]
Substitute values for distance and P
[tex]6\frac{1}{2} = |Q - (-4)|[/tex]
[tex]6\frac{1}{2} = |Q +4|[/tex]
The absolute function can then be split as:
[tex]6\frac{1}{2} = Q + 4[/tex] or [tex]-6\frac{1}{2} = Q + 4[/tex]
Make Q the subject in both cases:
[tex]Q = 6\frac{1}{2} - 4[/tex] or [tex]Q = -4 - 6\frac{1}{2}[/tex]
[tex]Q =2\frac{1}{2}[/tex] or [tex]Q =- 10\frac{1}{2}[/tex]
find the surface area of cuboid whose Length breadth and height are 15 CM 12 cm and 10cm respectively
Step-by-step explanation:
Given
length(l) = 15 cm
breadth (b) = 12 cm
height (h) = 10 cm
Surface area of cuboid
= 2 (lb + bh + lh)
= 2 ( 15 * 12 + 12 * 10 + 15 * 10)
= 2 ( 180 + 120 + 150)
= 2 * 450
= 900 cm²
Hope it will help :)