Answers
Related Questions
What is the value of the function y = 2x + 3 whenx=−1?
5
2
1
−5
Answers
Answer:
1
Step-by-step explanation:
You plug in -1 into x so the problem is y=2(-1)+3 and you get y=1
Answer:
THE ANSWER IS 1 TRUSt me
Step-by-step explanation:
Solve algebraically for all the values of x -2x^5+14x^4-2x^3+14x^2=0
Answers
Answer:
0, 7, ± iStep-by-step explanation:
Solving for x
- 2x^5 + 14x^4 - 2x^3 + 14x^2=0x^5 - 7x^4 + x^3 - 7x^2 = 0x^2 ( x^3 - 7x^2 + x - 7) = 0x^2( x^2(x - 7) + (x - 7)) = 0x^2(x^2 + 1)(x - 7) = 0x^2 = 0 ⇒ x = 0x^2 + 1 = 0 ⇒ x^2 = -1 ⇒ x = ± ix - 7 = 0 ⇒ x = 7The solutions to the original equation -2x³ + 14x²- 2x³ + 14x² = 0 are x = 0, -0.391, 0.099, 7.293
To solve the equation algebraically, factor out an "x^2" term from each term:
x²(-2x³ + 14x²- 2x + 14) = 0
Now, we have two factors:
x² = 0
-2x³ + 14x² - 2x + 14 = 0
First, let's solve the first factor, which is a simple quadratic equation:
x² = 0
x = 0
Now, let's solve the second factor by factoring out a common factor of 2:
2(-x³ + 7x² - x + 7) = 0
Now,use the rational root theorem or synthetic division to find the roots of the cubic equation -x³ + 7x² - x + 7 = 0. However, in this case, the equation does not have any rational roots. Therefore, we need to use numerical methods or graphing techniques to find the approximate solutions.
Using numerical methods or graphing, we find that the approximate solutions for the equation -x³ + 7x² - x + 7 = 0 are:
x ≈ -0.391
x ≈ 0.099
x ≈ 7.293
To know more about equation here
https://brainly.com/question/10724260
#SPJ6
what is the simplest radical form of the square root of 49 ?
Answers
Answer:
7
Step-by-step explanation:
what is the range of the following table
Answers
Answer:
Domain: { 3 , 4 , 5 , 6 }
Range: { 0 , 1 , 2 , 3 }
Step-by-step explanation:
The domain is the set of all the values of x . The range is the set of all the values of y .
The range is set of all y values so the range is {0,1,2,3}.
For the domain, it's the set of all x values.
Fraser scores 43% in a spelling test. What percentage did he get wrong?
Answers
Answer: 57%
100 - 43 = 57
Answer is 57
Answer:
he got 57% wrong
Step-by-step explanation:
all you gotta do is subtract 43 from 100 and it will give u the percentage
HIVING BRAINLIEST
What is the area of the
rectangle shown below?
3х2 – 4х +6
9 – x
ОООО
3х3 + 8x — 36
3х3 – 4х2 + 6x
33 22х2 + 30 – 36
3х3 + 142 - 18х +36
Answers
Answer:
A = 3x³ - 22x² + 30x - 36
Step-by-step explanation:
Area of a Rectangle: A = lw
Step 1: Define
l = 3x² - 4x + 6
w = x - 6
Step 2: Substitute and Evaluate
A = (3x² - 4x + 6)(x - 6)
A = 3x³ - 4x² + 6x - 18x² + 24x - 36
A = 3x³ - 22x² + 30x - 36
Answer:
The expression is not factorable with rational numbers.3x2-4x+6
Step-by-step explanation:
So its the 2nd one 3х3 – 4х2 + 6x
Hope this helps. ;P
The time, t, in seconds, required for an object accelerating at a constant rate of a meters/second to travel a distance of d meters is given by this equation. t=√2d/a
Answers
Answer:
720
Step-by-step explanation:
Plato.
t=√2d/a
12=√2d/10
12²=(√2d/10)²
144=2d/10
2d=(144)(10)
d=1440/2
=720
The initial Velocity of that object would be zero.
What is initial velocity?Initial Velocity, denoted as u, is the velocity at time period t = 0. It is the speed at which motion first occurs. When gravity first exerts a force on an object, its initial velocity defines how quickly the object moves.
They are three initial velocity formulas:
(1) If time, acceleration, and final velocity are provided, the initial velocity is articulated as u = v – at
(2) If final velocity, acceleration, and distance are provided we make use of u² = v² – 2 as
(3) If distance, acceleration, and time are provided, the initial velocity is
s = ut + 1/2at²
Where,
Initial velocity = u,
Final Velocity = v,
time taken = t,
distance travelled or displacement = s,
acceleration = a
From the third formula of velocity
s = ut + 1/2at²
If u = 0
then s = 1/2at²
=> at² = 2s
=> t² = 2s/a
=>t = [tex]\sqrt{2\frac{s}{a} }[/tex]
Which is the same as the given equation
therefore, That object's initial velocity would be zero.
Learn more about initial velocity here:
https://brainly.com/question/20678545
#SPJ2
Find the average rate of change of the function over the given interval.
f(t) = 2t^2 − 1, [5, 5.1]
Compare this average rate of change with the instantaneous rates of change at the endpoints of the interval.
Answers
Answer:
Average rate of change = 20.2
Rate of change at the left endpoint : f' (5) = 4t = 20
Rate of change at the right endpoint : f' (5.1) = 4*5.1 = 20.4
Step-by-step explanation:
The average rate of change of the function
F(t) = 2t^2 - 1 , [ 5,5.1 ]
solution
[tex]\frac{f(5.1)-f(5)}{5.1 - 5}[/tex] = [tex]\frac{2*(5.1)^2-1-(2*5^2-1)}{0.1}[/tex] = [ 2 ( 26.01 - 25 ) / 0.1 ]
= 2.02 / 0.1 = 20.2
Rate of change at the left endpoint : f' (5) = 4t = 20
Rate of change at the right endpoint : f' (5.1) = 4*5.1 = 20.4
Convert 3200 kilograms into pounds. Round your answer to the nearest whole number.
Answers
Answer:
7054.792 rounded to the nearest whole it will be 7055
Step-by-step explanation:
The required converted value is 7054 pounds, which is 3200 kilograms into pounds.
As we all know, unit conversion is the process of transferring a quantity from one unit of measurement to another.
To convert kilograms to pounds, you can use the conversion factor: 1 kilogram = 2.20462 pounds.
It is the process of multiplying a given quantity by a conversion factor that combines the two corresponding units.
To convert 3200 kilograms to pounds, you can multiply it by the conversion factor:
3200 kilograms x 2.20462 pounds/kilogram ≈ 7054.08 pounds
Rounding this to the nearest whole number, the conversion is approximately 7054 pounds.
Learn more about the unit conversion here:
brainly.com/question/3810064
#SPJ6
Evaluate the following.
i)4/5-1/3+2/9 ii)1/2-1/4+1/8
Answers
Answer:
[tex]1) \frac{4}{5} - \frac{1}{3} + \frac{2}{9} = \frac{4 \times 9}{45} - \frac{1 \times 15}{45} + \frac{2 \times 5}{45} \\ = \frac{36 - 15 + 10}{45} = \frac{31}{45} \\ \\ \\ 2) \frac{1}{2} - \frac{1}{4} + \frac{1}{8} = \frac{4 \times 1}{8} - \frac{2 \times 1}{8} + \frac{1}{8} \\ \frac{4 - 2 + 1}{8} = \frac{3}{8} [/tex]
After a college football team once again lost a game to their archrival, the alumni association conducted a survey to see if alumni were in favor of firing the coach. a simple random sample of 100 alumni from the population of all living alumni was taken. 64 of the alumni in the sample were in favor of firing the coach. let p represent the proportion of all living alumni who favored firing the coach. suppose the alumni association wished to see if the majority of alumni are in favor of firing the coach. denote p true as the true(population) proportion of all living alumni who favor firing the coach.
A) what hypotheses should one test if one suspects that p true is less than 70%?
a) H0: ptrue<0.7; Ha:ptrue=0.7
b) H0: ptrue=0.7; Ha:ptrue<0.7
c) H0: ptrue\neq0.7; Ha:ptrue>0.7
d) H0: ptrue=0.7; Ha:ptrue>0.7
e) H0: ptrue\neq0.7; H a:ptrue=0.7
B) What is the P-value, P associated with the test statistic for the test in part A)?
a) 0.0476
b) 0.1902
c) 0.0951
d) 0.64
e) 0.06
C) Is it reasonable to conclude that Ptrue is less than 70%? Use a significant level of 10%.
a) YES
b) NO
Answers
Answer:
A)
a) H0: ptrue < 0.7; Ha: ptrue = 0.7
B)
d) 0.64
C)
b) No
Step-by-step explanation:
Hypothesis is a technique which is used to test the event against an alternative hypothesis. The null hypothesis is set as a basis which is tested against an alternative hypothesis to make a conclusion. This null hypothesis is analysed against a probability using significance level and then a conclusion is made to accept or reject the null hypothesis.
9. You carn $5.50 per hour.
Worked 30 hours last week.
What was your straight-time pay?
Answers
$5.50 x 30 hours = $165
Which is the quotient and remainder, written as partial fractions, of x^2+8/x^2-5x+6
IT'S C
Answers
Answer: 2
Step-by-step explanation: x^2+8/x^2-5x+6 = x4 - 5x3 + 6x2 + 8 /x^2=2
Find roots (zeroes) of : F(x) = x4 - 5x3 + 6x2 + 8
See theory in step 3.2
In this case, the Leading Coefficient is 1 and the Trailing Constant is 8.
The factor(s) are:
of the Leading Coefficient : 1
of the Trailing Constant : 1 ,2 ,4 ,8
Let us test ....
P Q P/Q F(P/Q) Divisor
-1 1 -1.00 20.00
-2 1 -2.00 88.00
-4 1 -4.00 680.00
-8 1 -8.00 7048.00
1 1 1.00 10.00
2 1 2.00 8.00
4 1 4.00 40.00
8 1 8.00 1928.00
2
Answer:
thankyoupinkpigforanswers
Step-by-step explanation:
alsokeyboardbroke:(
Given f(x)=2x+2 and g(x)=x+7, find (f⋅g)(x)
.
Answers
Answer:
2x+16
Step-by-step explanation:
2(x+7)+2 = (f⋅g)(x)
2x+14+2=
2x+16= (f⋅g)(x)
The access code to a house’s security system consists of eight digits. How many different codes are available if each digit can not be repeated? Please show work!
Answers
Answer:
Consider one of eight positions separately from all others. There are 10 possible ways to choose
a digit to place on this position since there are ten digits from 0 to 9, and this choice is
independent of all other positions since each digit can be repeated and there is no restriction on
how to choose digits.
So, we have 8 positions and each one is filled by a digit in 10 ways independently from each other,
therefore the total number of possible codes equals to ways it can be done for each independent
position multiplied altogether. This is 10 × 10 × … × 10 = 108
(100 million).
Answer: 108 different codes.
Step-by-step explanation:
-(7/10)+2/8+1/10-(4/8)
Answers
Answer: - 17/20
or in decimal form -0.85
hope this helps
Step-by-step explanation:
hi i am in 3rd grade i need help.
if the teacher has 20 apples and eats 5 how many apples does she have left please show work my dog will not help me complete my work sad face face face face face sad.
Answers
You eat 5
What is 20-5?
20-5= 15
15 is your answer sweetie
Answer:
15
Step-by-step explanation:
20-5=15
Laisha's Internet Services designs websites and recently began a weekly advertising campaign
Laisha noticed an increase in her customers over a period of five consecutive weeks. Based on
the pattern shown in the graph, make a conjecture about the number of customers Laisha will
have in the seventh week.
Laisha will have 7 customers
Laisha will have 8 customers.
Laisha will have 9 customers
Laisha will have 10 customers
Answers
Answer:
she will have 8
Step-by-step explanation: because it passes through the origin
In the 7th week, Laisha will have 8 customers. Option B is correct.
Given that,
Laisha noticed an increase in her customers over a period of five consecutive weeks. Based on the pattern shown in the graph, make a conjecture about the number of customers Laisha will have in the seventh week is to be determined.
Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.
Here,
The slope of the function m = 1
y-intercept = 1
The equation that represents the condition,
y = x + 1
Where y = number of customers and x = number of weeks
Now for x = 7
y = 7 + 1
y = 8
Thus, in the 7th week, Laisha will have 8 customers. Option B is correct.
Learn more about function here:
brainly.com/question/21145944
#SPJ2
HELP ASAP LOTS OF POINTS AND BRIANLY
Answers
Answer: Sorry doesn't really show anything of pdf...
Step-by-step explanation: I will help but it's not showing or it's just me!?
Find the x intercept of 3x-6y=24
Answers
Write a decimal for the decimal form 2 × 10 + 6 × 1 + 3 × ( 1 /100) + 9 × ( 1/ 1000)
Answers
Answer:
26.039
Step-by-step explanation:
2*10+6*1+3*(1/100) + 9 * (1/1000) =
2*10+6*1+3*0.01 + 9 * (1/1000) =
2*10+6*1+3*0.01 + 9 * 0.001 =
20+6*1+3*0.01 + 9 * 0.001 =
20+6+3*0.01 + 9 * 0.001 =
20+6+0.03 + 9 * 0.001 =
20+6+0.03 +0.009 =
26+0.03 +0.009 =
26.03 +0.009 =
26.039
If a recipe needs 1 1/2 of sugar, how much sugar do I need to make 2/3 of a batch of cookies?
Answers
Answer:
1 cup of sugarStep-by-step explanation:
1 1/2 cup of sugar is needed for a full batch
To make 2/3 of a batch sugar is needed:
1 1/2 × 2/3 = 3/2 × 2/3 = 1 cupSolve |2s−7| ≥ −1. Please help
Answers
Answer:
S = All real numbers / (∞,∞)
Step-by-step explanation:
Absolute values are ALWAYS greater or equal to zero. Therefore, you could plug any number into S, and it would still be greater than 1.
What’s the x intercept?
Answers
Answer:
The x-intercept would be (1,0)
Step-by-step explanation:
The point (1,0) is where the line intercepts (or crosses) the x-axis, therefore making it the x-intercept.
Use the given information to find the measure.
Answers
Answer:
AOC = 104° (total from A to C)
BOC = 60°
AOB = 104 - 60 = 44°
[tex]ac = 104 = ab + bc \\ 104 = 7x + 30 + 9x + 42 \\ 104 = 16x + 72 \\ 16x = 32 \\ x = 2[/tex]
[tex]bc = 9x + 42 \\ = 9(2) + 42 = 60[/tex]
What is 2000 + 2000 - 2000 X 2000 divided by 2000
Answers
Answer: 1
Step-by-step explanation:
2000 + (2000-2000)(2000) / 2000
2000 + (0)(2000) / 2000
2000 + 0 / 2000
2000 / 2000
1
Why: PEMDAS
Write the sentence as an equation.
268 is the same as the product of t and 196
Answers
Helppppp
Find the equation of the line parallel to y = -1/2 - 4 and goes through the point (-2,-5)
Answers
Answer:
The equation of the line is y = - 1/2 x - 6
Step-by-step explanation:
The equations of parallel lines have the same slopes and different y-intercepts
The form of the linear equation is y = m x + b, where
m is the slope of the lineb is the y-intercept (value y at x = 0)To find b substitute x and y in the equation by the coordinates of a point on the line∵ The given equation is y = -1/2 x - 4
→ By comparing it by the form of the equation above
∴ m = -1/2
∵ Parallel lines have the same slope
∴ The slope of the line = -1/2
→ Substitute it in the form of the equation above
∴ y = - 1/2 x + b
∵ The line passes through the point (-2, -5)
→ To find b substitute x by -2 and y by -5
∴ -5 = -1/2 (-2) + b
∴ -5 = 1 + b
→ Subtract 1 from both sides
∴ -5 - 1 = 1 - 1 + b
∴ -6 = b
→ Substitute the value of b in the equation above
∴ y = - 1/2 x + (-6)
∴ y = - 1/2 x - 6
The equation of the line is y = - 1/2 x - 6
A company that sells circular hot tubs is ordering covers. The radius of each hot tub is 4 feet. They need to order 250 of them and the cost of the material is .75 per square foot. how much is it going to cost the company
Answers
Answer:
9420Step-by-step explanation:
Radius of a tub = 4 feet
Number of tubs = 250
Total area
250*π*4^2 = 250*3.14*16 = 12560 sq. feetCost of material
12560*0.75 = 9420A pair of pants was 40% off the original price. The sale resulted in a $36 discount. What was the original price before the sale?
Answers
Answer:
$90.00
Step-by-step explanation:
40% of What is 36?
40/4 = 10 (10%)
36/4 = 9 (9 is 10% of the answer we are looking for)
Multiply both answers (9 and 10) by each other.
You get 90