Answer:
f(6)=24
Step-by-step explanation:
[tex]f(x) = 2x^2 - 7x - 6\\f(6) = 2(6)^2 - 7(6) - 6=2*36-42-6=24[/tex]
Answer:
f(6) = 24
Step-by-step explanation:
f(x) = 2x² – 7x – 6: f(6)
f(6) = 2(6)² - 7(6) - 6
= 2 × 36 - 42 - 6
= 72 - 48
f(6) = 24
Thus, f(6) = 24
-TheUnknownScientist
The trail around Mirror Lake in Yosemite National Park is 5 miles long. 9. What fraction describes how much more of the trail Jon hiked than Andrea hiked? 10. What fraction describes how much more of the trail Callie hiked than Jon hiked?
This question is incomplete
Complete Question:
The trail around Mirror Lake in Yosemite National Park is 5 miles long.
The tables below show the fraction of miles each hiked:
Hiker Fraction of miles hiked
Andrea 2/5
Jon 1/2
Callie 4/5
9. What fraction describes how much more of the trail Jon hiked than Andrea hiked?
10. What fraction describes how much more of the trail Callie hiked than Jon hiked?
Answer:
9. 1/10
10. 3/10
Step-by-step explanation:
9. What fraction describes how much more of the trail Jon hiked than Andrea hiked?
This is calculated as the number of miles Jon hiked - The number of miles Andrea hiked
1/2 - 2/5
= The Lowest Common Denominator is 10
= [(5 × 1) - (2 × 2)] /10
= [5 - 4] /10
= 1/10
The fraction that describes how much more of the trail Jon hiked than Andrea hiked is 1/10
10. What fraction describes how much more of the trail Callie hiked than Jon hiked?
This is calculated as the number of miles Callie hiked - The number of miles Jon hiked
4/5 - 1/2
= The Lowest Common Denominator is 10
= [(4 × 2) - (1 × 5)] /10
= [8 - 5] /10
= 3/10
The fraction describes how much more of the trail Callie hiked than Jon hiked is 3/10
Chad complained to his friend that he had five equations to solve for homework. Are all of the homework problems equations? Justify your answer.
Answer:
Chad's claim is incorrect
Step-by-step explanation:
The homework problems that complete the question are:
[tex]3x^2.2x^4[/tex]
[tex]5 - 2x = 3x[/tex]
[tex]3(2x + 7)[/tex]
[tex]7x^2 +2x -3x^2 -9[/tex]
[tex]\frac{2}{3} = \frac{x+2}{6}[/tex]
Required
Is Char right?
From the homework problems above, there are 5 mathematical problems
So:
Chad's claim that he had 5 equations.
A mathematical expression is an equation if it has an = sign
So for Chad's claim to be correct; at least 4 of the mathematical problems must have an = sign
By the explanation done above, we have the following observations
[tex]3x^2.2x^4[/tex] -> No Equation
[tex]5 - 2x = 3x[/tex] -> Equation
[tex]3(2x + 7)[/tex] -> No Equation
[tex]7x^2 +2x -3x^2 -9[/tex] -> No Equation
[tex]\frac{2}{3} = \frac{x+2}{6}[/tex] -> Equation
Apparently, only 2 of the 5 problems are equation.
Hence, Chad's claim is incorrect.
Round your answer to the nearest hundredth BC=
Answer:
BC = 4.92
Step-by-step explanation:
cos 35° = [tex]\frac{?}{6}[/tex]
BC = 6 x cos 35°
BC = 6(.82) = 4.92
Plz help my teacher isn’t emailing my back
Answer:
ugh'
Step-by-step explanation:
12 and 4 i could be wrong sozStep-by-step explanation:
In a school, 60% of the students are girls.
50% of the girls walk to school.
20% of the boys walk to school.
What percentage of the students walk to school?
Answer:
Not entirely sure but 38%
Step-by-step explanation:
Answer:
38%
Step-by-step explanation:
"If f(x) = 6x3 + 5x, g(x) = 3x2 + 5, and h(x) = 9x2 – 8, what is the degree of f(g(h(x)))?"
2
3
7
12
Answer:
the degree of f(g(h(x))) is 12
Step-by-step explanation: I know you want simple and easy answers and thats what im here for, . :D
Answer:
D. 12
Step-by-step explanation:
Edge 2020
17. Solve the inequality. (l point)
9x <72
O x<8
O x<-8
O x<63
O x<81
What one
Answer:
First choice.
Step-by-step explanation:
Move 9 to divide 72.
[tex]x < \frac{72}{9} \\ x < 8[/tex]
HELP ASAAAAAP EXPLAIIINNN
Answer:
dhdhrjfidgegehfr fhfn fhc fn dncc c. f byn
Step-by-step explanation:
h(t) = -16t² + 64t + 32
When h(t) = 80, -16t² + 64t + 32 = 80.
=> 16t² - 64t + 48 = 0
=> t² - 4t + 3 = 0
=> (t - 1)(t - 3) = 0
=> t = 1 or t = 3.
Hence the difference between the times is 2 seconds. (B)
Guys is this correct? Look at the picture attached
It would be best to label the points if your turning it in. It can help people easily identify the points you've plotted.
From the looks of it, your equation is good.
The base is good and your math is right, but where did you get your height from?
If you count from point R up to line PQ you get 5 as the height.
I understand miscounting's a thing, no worries.
So if we input the correct height, we get A = 1/2 (3)(5)
1/2 * 15
7.5
The area of the polygon is 7.5 units.
I hope that helps and if you ever need any more help don't be afraid to reach out!
Here's a graph of a linear function. write the equation that describes that function.
Answer:
y = 1/4x + 5
Step-by-step explanation:
Here, we want to write the equation of the function
Generally we can have the equation of a straight line as;
y = mx + b
m is slope, b is the y-intercept
From the graph we have the y-intercept as 5
To get the slope, we select any two points and apply the slope formula
Let us have the points;
(8,7) and (4,6)
the slope will be;
m = (y2-y1)/(x2-x1) = (6-7)/(4-8) = 1/4
So the equation of the line is;
y = 1/4x + 5
Which functions are increasing?
Select all correct answers
Answer:
The correct answers should be b and c
Step-by-step explanation:
|•-•|
The graph of a parabola has an axis of symmetry of and an intercept at . It passes through the point . What is the equation representing this parabola?
Answer:
The answer is B! All I did was take a screenshot of your question and put on my page.
Plz tell me the answer
Answer:
first is correct
second should be
4a² + 5a
The dance committee of Pine Bluff Middle School earns \$72$72dollar sign, 72 from a bake sale and will earn $4 dollar sign, 4 for each ticket they sell to the Spring Fling dance. The dance will cost $400. Write an inequality to determine the number, t, of tickets the committee could sell to have money left over after they pay for this year's dance.
Answer:
t > 82
Step-by-step explanation:
Given that,
The dance committee of Pine Bluff Middle School earns $72 from a bake sale and will earn $4 for each ticket they sell to the Spring Fling dance.
The dance will cost $400.
We need to find an inequality to determine the number, t, of tickets the committee could sell to have money left over after they pay for this year's dance.
The committee earns $4 for each ticket. It means they will earn $4t.
$72 is constant as they earn it from bake sale.
The total earning must be greayer than $400.
ATQ,
4t + 72 > 400
We can solve the above inequality to find the value of t.
4t > 328
t > 82
Hence, the committee could sell more than 82 tickets to have money left over after they pay for this year's dance.
ALGEBRA NATION
HELP
Candice is deriving the quadratic formula.Her first few steps are
In her next step, Candice needs to complete the square to create
What expression should she add to both sides of the equation?
ax+ box +c=0
ax2 + bx= -C
x2+ bx/a = -c/a
Answer:
D
Picture proof, got 0 out of 3 RIP
help please asap!!!!!
Answer:
-0.9 gallons per minute
Step-by-step explanation:
Choose all of the equations for which x=2 is a solution.
a football was selling for 35% off the original price. the original price was $50. what is the sale price of the football?
Answer:
Concept: Mathematical Analysis
Original: 50 usd Markdown: 30% Hence 50 × 0.30 =15 usdSo the sale price is 35 usdFatima collected 78 leaves at Zabeel Park for a pressed-leaf collection. If she places and equal number of leaves in each of 3 books, how many leaves will be in each book? (SHOW YOUR WORK/STEPS)
Step-by-step explanation:
78/ 3
= 26
26 leaves will be in each book
hope it helps!
Answer:
26
Step-by-step explanation:
78/3=26
Simply the expression (5x+9y) - (11x-3y+7)
Answer:
-6+12y-7
Step-by-step explanation:
Who doesn't like short answers, instead of writing a hole paragraph.
Answer:
[tex]-6x + 12y - 7[/tex]
Step-by-step explanation:
[tex](5x + 9y) - (11x - 3y + 7)[/tex]
Lets open the brackets.
[tex]=> 5x + 9y - 11x + 3y - 7[/tex]
Now lets add/substract the like terms only.
[tex]=> 5x - 11x + 9y + 3y - 7[/tex]
[tex]=> -6x + 12y - 7[/tex]
Does anyone know how to solve this (4-7i) - (-3+6i) ?
Step-by-step explanation:
(4-7i)-(-3+6i)
4-7i+3-6i
7-13i(simplified)
Answer:
7-13i
Step-by-step explanation:
(4-7i) - (-3+6i)
4-(-3)+(-7-6)i
7-13i
Read the excerpt from The Monsters Are Due on Maple Street.
56. TRACK SHOT – STEVE 56.
From several yards down as he walks down the steps of his porch, walks down the street over to Les Goodman's house and then stops at the foot of the steps.
57. REVERSE ANGLE – LOOKING TOWARD SCREEN DOOR 57.
Goodman stands there, his wife behind him very frightened.
GOODMAN
Just stay right where you are, Steve. We don't want any trouble but this time if anybody sets foot on my porch that's what they're going to get—trouble!
Based on Goodman’s reaction to Steve, what will most likely happen next?
Les and Steve will have a heated argument.
Everyone in the neighborhood will go home.
The anger and fear among the neighbors will increase.
Les will turn out to be an alien invader in disguise.
Answer:
C. the anger among the neighbors will increase
Step-by-step explanation:
i got 100 on my quiz
Answer:
C) The anger and fear among the neighbors will increase
Step-by-step explanation:
Based on the evidence in the excerpt, what will most likely happen next. A) The crowd will turn against Steve, believing he is an alien in disguise.Which of the excerpts from The Monsters Are Due on Maple Street is an example of foreshadowing? A)“Where is Pete Van Horn anyway? Didn't he get back yet?”Which of the excerpts from The Monsters Are Due on Maple Street best foreshadows that the residents of Maple Street will turn against Les Goodman? B)“He always was an odd ball. Him and his whole family. Real odd ball.”Based on Goodman’s reaction to Steve, what will most likely happen next? C) The anger and fear among the neighbors will increase.Based on Steve’s actions in the first part of The Monsters Are Due on Maple Street, readers may have predicted that Steve would continue being the town’s leader during the power outage. How should readers revise this prediction after Don asks Steve about his radio? C)Readers should now predict that Steve will no longer be in charge.Which excerpt from The Monsters Are Due on Maple Street best foreshadows the idea that the residents of Maple Street are becoming a dangerous mob? A) The crowd picks this up again and with it their suspicions come back with a rush. The murmur becomes a loud chant filling the air with accusations and demands for action. Two of the men pass Don right up the steps. Goodman flattens himself against the screen door.The writer of this excerpt uses D)indirect characterization to show that Les Goodman is nervous.What do Don’s words suggest about him? C)Don is suspicious of Les Goodman.What do Steve’s reactions to Mrs. Goodman and Charlie show the reader about Steve? D) Steve is sensible and unafraid.How does Woman One’s claim about Les Goodman affect other elements in the story? B)The neighbors become even more suspicious of Les Goodman.Which statement describes the solutions of this equation?
I + 2
. 2 + = 1
OA.
The equation has two valid solutions and no extraneous solutions,
OB.
The equation has no valid solutions and two extraneous solutions.
O C.
The equation has one valid solution and no extraneous solutions.
OD.
The equation has one valid solution and one extraneous solution.
Step-by-step explanation:
x/(x + 2) + 1/x = 1
x² + (x + 2) = x(x + 2)
x² + x + 2 = x² + 2x
x = 2.
Since x = 2 neither makes (x + 2) or x become 0, there are no extraneous solutions.
The answer is "The equation has 1 valid solution and no extraneous solutions." (C)
The true statement is (c) the equation has one valid solution and no extraneous solutions
The equation is given as:
[tex]\frac{x}{x + 2} + \frac 1x = 1[/tex]
Take LCM
[tex]\frac{x^2 + x + 2}{x(x + 2)} = 1[/tex]
Expand the numerator
[tex]\frac{x^2 + x + 2}{x^2 + 2x} = 1[/tex]
Cross multiply
[tex]x^2 + x + 2 = x^2 + 2x[/tex]
Subtract x^2 from both sides
[tex]x + 2 = 2x[/tex]
Collect like terms
[tex]2x -x = 2[/tex]
[tex]x = 2[/tex]
Hence, the equation has one valid solution and no extraneous solutions
Read more about solutions of equations at:
https://brainly.com/question/1397278
An airplane on autopilot took 5 hours to travel 3,460 kilometers. What is the unit rate for kilometers per hour?
Lillian thinks that 725 - 4x3 is the same as 3.22. Which statement shows that it is
NOT the same?
Answer:
The correct option is (c).
Step-by-step explanation:
Lillian thinks that 7x⁵ - 4x³ is the same as 3x².
Option (a) :
7x⁵ - 4x³ = 3x²
It is wrong, as we cannot say directly that they are equal.
Option (b):
7x⁵ - 4x³ ≠ 3x²
It is wrong, as we cannot say directly that they are not equal.
Option (c):
7(2)⁵ - 4(2)³ = 3(2)²
LHS,
7(32) -4(8) = 192
RHS, 12
Here, LHS ≠ RHS
It is correct.
Option (d) :
7(2)⁵ × 4(2)³ = 3(2)²
Here, multiplication is done instead of addition. So, it is wrong.
Hence, the correct option is (c).
Choose a value for b so that the relation below is not a function.
Answer:
B. -2
Step-by-step explanation:
A relation that is not a function would have one x-value having two different corresponding y-values.
If we choose -2 to represent b I the relation, the relation would not be a function. This is because, we there would be two different y-values, 8 and 1, that are assigned to one x-value, which is -2 ==> (-2, 8) and (-2, 1).
A carpenter has a wooden board that measures 14 meters long. He must cut the board into 6 pieces of equal length. How long, in meters, should the carpenter cut each piece?
Answer:
2 1/3 meters
Step-by-step explanation:
You would simply divide 14 by 6 which gives you 2.3 repeating and 0.3 repeating is the fraction 1/3.
MAP TESTING HELP
Find the amount of simple interest that $400 would earn at 8% per year by the end
of 3 1/2 years.
A. $96
B. $11, 200
C. $3200
D. $112
O E. $32
Answer:
E is the answer
Step-by-step explanation:
hope it is helpful
Four different stores are having a sale on the same pair of shoes that cost $325. The signs below show the discounts available at each of the four stores. What is the price of one pair of shoes at each of the stores?
Answer:
I would need to see the signs to show each discount to figure this one out. Can you add it?
Step-by-step explanation:
James earns $2.20 less than twice gregs hourly wage. If james earns $16.50 per
hour, what is gregs hourly wage ?
Answer:
James earns $2.20 less than twice Greg's hourly wage. If. James earns $16.50 per hour, what is Greg's hourly wage? let x= Grea's hourly wage. 2x-2.20-James' hourly wage. 2x-2.20=16.50. 2x=16.50+2.20. 2x= 18.70.
If James earns $2.20 less than twice gregs hourly wage.If james earns $16.50 per hour, then gregs hourly wage is $9.35
What is equation?Two or more expressions with an equal symbol operator is called equation.
Given that james earns $16.50 per hour,
and James earns $2.20 less than twice gregs hourly wage.
let x= Grea's hourly wage.
James earns $2.20 less than twice gregs hourly wage by data.
2x-2.20=James' hourly wage.
2x-2.20=16.50.
2x=16.50+2.20.
2x= 18.70.
Divide by 2 on both sides
x=9.35
Hence gregs hourly wage is $9.35.
To learn more on Equations click:
https://brainly.com/question/10413253
#SPJ2