Answers
Answer:
x = -(-20)² ± √(-20)² - 4(16)(-6) / 2(16)
Step-by-step explanation:
Given quadratic equation:
16x² - 20x - 6 = 0
Quadratic formula is given by:
x = -b² ± √b² - 4(a)(c) / 2a
16x² - 20x - 6 = 0
From the equation,
a = 16
b = -20
c = -6
x = -b² ± √b² - 4(a)(c) / 2a
x = -(-20)² ± √(-20)² - 4(16)(-6) / 2(16)
x = -(400) ± √(400) - (-384) / 32
x = -400 ± √400 + 384 / 32
x = -400 ± √784 / 32
x = -400 ± 28 / 32
x = (-400 + 28) / 32 or x = (-400 - 28) / 32
Related Questions
Use the distributive property to write an equivalent expression
3(3W – 5x + 1)
Answer:
Submit Answer
help no file plz
Answers
Answer:
9w-15x+3
Step-by-step explanation:
3(3W – 5x + 1); using distributive property
3 times 3w= 9w
3 times -5x= -15x
3 times 1=3
combine; 9w-15x+3
Please help
See pic attached
Answers
The total number of counters is 18.
6 of those are red so there would be 6/18 red counters
Simplified, that is 1/3
a. 1/3
Red counters (6) + Green counters (8)=14
14/18 aren’t blue
b. 14/18
A - 6/18 reduced to 1/3
B - 14/18 reduced to 7/9
Explanation:
A - Add up all the numbers as the denominator (bottom) of your ratio fraction. Then take the number of red counters as the numerator (top) to place on top. You then get 6/18. Both numbers can be divided by 6 to get 1/3.
B - Add up all the numbers as the denominator (bottom) like you did above. Then subtract the total number by the number of blue counters (4). That number is 14 because the total number is 18 and it is your numerator (top). Now you have 14/18 which can both be divided by 2 to get 7/9.
Hope this helps, have a great day :)
Can someone help me real quick? I’ll give brainliest
Answers
Answer:
1. 400
2. -100 or no money
3. it had no money/ no funds
Step-by-step explanation:
What would x equal for this triangle side
Answers
Answer:
x=44
Step-by-step explanation:
180-89=91
180-91-45=44
explanation: 89 - 45 = 44
That’s my question I need help with
Answers
Answer:
D. 120 × ⅕
Step-by-step explanation:
120 computers ÷ 5 classrooms
120 ÷ 5 = 120 × ⅕
which choice is equivalent to the expression below? (-2)^-3
A) 1/6
B) 8
C) -1/8
D) 6
Answers
Step by step exploration
(-2)^-3=1/(-2)^3=1/(-8)=-1/8
Answer:
C
Step-by-step explanation:
I used a calculator I honestly couldn't figure out the math behind that
Please help.
Is algebra.
PLEASE HELP NO LINKS OR FILES.
I don't want links.
Answers
Answer:
2A
6X^2
Step-by-step explanation:
A line passes through the points (6, 2) and (5, 0). What is its equation in slope-intercept form?
Answers
Answer:
y = 2x - 10
Step-by-step explanation:
y2 - y1/ x2 - x1
0 - 2 / 5 - 6
= 2
y = 2x + b
2 = 2(6) +b
2 = 12 + b
-10 = b
The equation is y = 2x - 10
IN
6
Ted can read 135 pages in 3 hours.
Which statement is true?
A The unit rate is 135 pages in 3 hours.
B
The unit rate is 45 pages in 1 hour.
The unit rate is 45 pages in
1
3
of an hour.
None of the statements are true PLEASE HELPPP MEEE ANSWERRR THIS QUESTION
Answers
Answer:
45 pages in 1 hour
Step-by-step explanation:
Find the unit rate by dividing the number of pages by the number of hours
135/3
= 45
This means he can read 45 pages in 1 hour.
The unit rate is 45 pages in 1 hour.
Which are equivalent expressions?
Check all that are true.
2a · 2b = 2ab
6a = 6 · a
5a = 5 + a
3ab = 3c
2a · b = 2ab
Answers
Answer:
6a=6.a I think is true cause it's like the same thing
4a^{2}+9b^{2} -x^{2} -1+12ab-2xy
can someone explain this pls it's hurting my brain:,)
Answers
Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 19)(0,19) and (3, 9728)(3,9728).
Answers
Answer:
y = 19*(8)^x
Step-by-step explanation:
We want to write an equation like:
y = a*b^x
That goes through the points (0, 19) and (3, 9728)
Then, when x = 0, we must have y = 19
Replacing those values in the equation we get:
19 = a*b^0 = a*1 = a
19 = a
Then the equation is:
y = 19*b^x
We also know that when x = 3, y = 9728
If we replace these values in the equation, we get:
9728 = 19*(b)^3
Let's solve this for b.
9728/19 = b^3
512 = b^3
∛512 = b = 8
Then the equation is:
y = 19*(8)^x
The population, P, of Johnstown over a period of t years since the town
was founded can be estimated by P = 5,600e0.0591
In approximately how many years after the town's founding will the
population reach 11,200?
Answers
Answer:
12 years
Step-by-step explanation:
Given that
P = 5,600 e^0.0591
Reaching amount = 11,200
time period = t
We need to find out the time period i.e. t
So,
11,200 = 5,600 e^0.0591t
2 = e^0.0591t
Now take the log on both the sides
ln2 = 0.0591t ln
t = ln2 ÷ 0.059
= 0.693147÷ 0.059
= 11.748
= 12 years
What transformation is shown below?
reflection
can't be determined
rotation
translation
Answers
Answer:
it's a translation
Step-by-step explanation:
it just moved (3,0). If it were a rotation the y-axis wouldn't be the same. If it were a reflection you would be able to flip the blue triangle onto the red triangle.
how much does an x box emulator cost and what does it do??? Will give brainliest to first right answer!!!
Answers
Answer:
113.44
Step-by-step explanation:
It can emulate the BIOS and many games at very slow speeds but is sometimes faster than Cxbx with acceptable graphics
what is the GCF of 16 and 24
Answers
Answer:
Method 2: GCF of 16 and 24 by Listing the Common Factors
Common Factors of 24 and 16 : 1, 2, 8 and the greatest among them is 8.
The tree was 8.5 inches when it was planted. The tree grew 1.5 inches each year.
Can anyone do it pleaseeeee
Answers
Answer:
hi
Step-by-step explanation:
probably it must be like this,
8.5+1.5=10 in
hope it helps
have a nice day
What is the value of x?
Answers
Answer:
Step-by-step explanation:
Calculate the width of it,then add all the sides together.
What is the measure of LXZW?
850
150°
Y
65°
95
Z
215°
W
30°
Answers
Answer:
so the answer is 95°
Step-by-step explanation:
The two angles on a line add up to 180° or are supplementary, so we can find the inside angle x by doing 180-150=30°. Now that we know inside x is 30, if we add 30+65, we get 95, and 180-95=85°. Then to find angle xzw, just do 180-85 to get 95°.
HELP please will give brainiest!! No robots please,
Find the slope and the y-intercept of the graph of the linear equation.
Answers
Answer:
Slope is -4/5
Y-intercept is -2
Step-by-step explanation:
use equation y=mx+b
True of false: two expressions can only be equivalent if they share the same domain.
Answers
Answer
True I’d think
Step-by-step explanation:
Neeed help please???????!!!!!!
Answers
Tom swam at one pool each of 5 days during one week. The number of people at the pool when he arrived on each of the days were: 12, 19, 17, 26, 26. What is the mean number of people who were at the pool?
Answers
Answer:
The mean is 19.33
Step-by-step explanation:
How to Find the Mean. The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
(7x+3) (10x-14) HELP PLEASE
Answers
Answer:
70[tex]x^{2}[/tex]+30x-140
Step-by-step explanation:
(7x+3) (10x-14)
70[tex]x^{2}[/tex]-98+30x-42
70[tex]x^{2}[/tex]+30x-42-98
70[tex]x^{2}[/tex]+30x-140
Answer:
x = 9
Step-by-step explanation:
These are vertical angles, and thus the angles are equal.
7x + 3 = 10x - 24
Combining like terms, we get
27 = 3x, so that x must be 9.
x = 9
find the measure of each interior angle in a regular 18-gon
Answers
Answer:
A polygon with 18 sides has 18 interior angles. Therefore, to find the measure of one of these angles, divide the sum by 18. Answer: Each angle is 160 degrees.
Step-by-step explanation:
ILL BRAINLIEST YOU IF YOU GET IT RIGHT
Answers
Answer:
A.
angles two and 7 do not add up to 180 so they are not supplementary
:')
Name this figure
A. Rhombus
B. Rectangle
C. Square
D. Parallelogram
HELP ME PLEASE NOW !!
Answers
Answer: D. Parallelogram
Step-by-step explanation:
45 POINTS!! PLEASE HELP
The scatter plot shows the relationship between the test scores of a group of students and the number of hours they study in a week.
Part A: What is the group of points labeled N called? What is the point labeled M called? Give a possible reason for the presence of point M.
Part B: Describe the association between students’ test scores and the number of hours they study.
Answers
Answer:
Step-by-step explanation:
m is called an outlier and it is a positive association
Answer:
Part A) Part N.) is called the cluster of the whole chart. Part M.) is called the outlier because it's not with the rest of the group, therefore, it's the outlier of the group.
Part B.)
The association between the students' test scores and the number of hours they've studied is a positive correlation. That means the longer the students spent time studying for their tests... the better grades they got because of it. It's a lot like a cause-and-effect kind of situation.
Step-by-step explanation:
I hope this helps you!!! Brianlyest please!!! And SO sorry this is so late!
Determine the common ratio and find the next three terms of the geometric sequence. 8, -20, 50, ... a. -2.5; -125, 312.5, -781.25 c. 2.5; -125, 312.5, -781.25 b. -2.5; -70, 240.6, -642.85 d. 2.5; -70, 240.6, -642.85
Answers
Answer:
The common ratio is -2.5
The next three terms are;
-125, 312.5 and -781.25
Step-by-step explanation:
Here, firstly we want to determine the common ratio
To
do this, we have to divide the succeeding term by the preceding term
We have this as;
50/-20 = -20/8 = -2.5
Now, to get the next terms,
we multiply the given last term by the common ratio
That will be;
50 * -2.5 = -125
next is to multiply this by the common ratio
That will be;
-125 * -2.5 = 312.5
And lastly, we have
312.5 * -2.5 = -781.25
Answer:
The Answer Is A.
Step-by-step explanation:
Please please help help this is for the brainies please ASAP please ASAP thank you
No links or files
Answers
Answer:
(-5,2)
Step-by-step explanation:
:)