end-of-module Assessment task 7-1 answers.

Answers

Answer 1

Answer: 6

Step-by-step explanation:7 -1=6


Related Questions

8. What is the solution of the system? (1 point)
y= -3x
3x + 2y = 6
(2.6)
(-1,3)
(-2, 6)
(1.5, -4,5)

Answers

The correct answer is (-2,6)

2/9 of the students in a school are in sixth grade. How many sixth graders are there if the school has 27 students?

Answers

Answer: 5.999 or just 6

Step-by-step explanation: 2/9 of 27

Answer:

6 sixth graders

Step-by-step explanation:

2/9 of 27 = 6

A cat food company sells its canned cat food to stores for $0.20 per can. One of the stores sells the can of cat food for $0.55. What percent markup did the store use?

Answers

If im wrong I apologize but I believe it is 0.33 percent more But what I did what subtract the to talk of store A from store B and that is what I got put -0.33 of needed.

If -y-2x^3=Y^2 then find D^2y/dx^2 at the point (-1,-2) in simplest form
^^ the main problem i am having is when I have to use the quotient rule

Answers

Answer:

[tex]\frac{d^2y}{dx^2} = \frac{-4}{3}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to Right

Algebra I

Factoring

Calculus

Implicit Differentiation

The derivative of a constant is equal to 0

Basic Power Rule:

f(x) = cxⁿf’(x) = c·nxⁿ⁻¹

Product Rule: [tex]\frac{d}{dx} [f(x)g(x)]=f'(x)g(x) + g'(x)f(x)[/tex]

Chain Rule: [tex]\frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)[/tex]

Quotient Rule: [tex]\frac{d}{dx} [\frac{f(x)}{g(x)} ]=\frac{g(x)f'(x)-g'(x)f(x)}{g^2(x)}[/tex]

Step-by-step explanation:

Step 1: Define

-y - 2x³ = y²

Rate of change of tangent line at point (-1, -2)

Step 2: Differentiate Pt. 1

Find 1st Derivative

Implicit Differentiation [Basic Power Rule]:                                                  [tex]-y'-6x^2=2yy'[/tex][Algebra] Isolate y' terms:                                                                              [tex]-6x^2=2yy'+y'[/tex][Algebra] Factor y':                                                                                       [tex]-6x^2=y'(2y+1)[/tex][Algebra] Isolate y':                                                                                         [tex]\frac{-6x^2}{(2y+1)}=y'[/tex][Algebra] Rewrite:                                                                                           [tex]y' = \frac{-6x^2}{(2y+1)}[/tex]

Step 3: Differentiate Pt. 2

Find 2nd Derivative

Differentiate [Quotient Rule/Basic Power Rule]:                                          [tex]y'' = \frac{-12x(2y+1)+6x^2(2y')}{(2y+1)^2}[/tex][Derivative] Simplify:                                                                                       [tex]y'' = \frac{-24xy-12x+12x^2y'}{(2y+1)^2}[/tex][Derivative] Back-Substitute y':                                                                     [tex]y'' = \frac{-24xy-12x+12x^2(\frac{-6x^2}{2y+1} )}{(2y+1)^2}[/tex][Derivative] Simplify:                                                                                      [tex]y'' = \frac{-24xy-12x-\frac{72x^4}{2y+1} }{(2y+1)^2}[/tex]

Step 4: Find Slope at Given Point

[Algebra] Substitute in x and y:                                                                     [tex]y''(-1,-2) = \frac{-24(-1)(-2)-12(-1)-\frac{72(-1)^4}{2(-2)+1} }{(2(-2)+1)^2}[/tex][Pre-Algebra] Exponents:                                                                                      [tex]y''(-1,-2) = \frac{-24(-1)(-2)-12(-1)-\frac{72(1)}{2(-2)+1} }{(2(-2)+1)^2}[/tex][Pre-Algebra] Multiply:                                                                                   [tex]y''(-1,-2) = \frac{-48+12-\frac{72}{-4+1} }{(-4+1)^2}[/tex][Pre-Algebra] Add:                                                                                         [tex]y''(-1,-2) = \frac{-36-\frac{72}{-3} }{(-3)^2}[/tex][Pre-Algebra] Exponents:                                                                               [tex]y''(-1,-2) = \frac{-36-\frac{72}{-3} }{9}[/tex][Pre-Algebra] Divide:                                                                                      [tex]y''(-1,-2) = \frac{-36+24 }{9}[/tex][Pre-Algebra] Add:                                                                                          [tex]y''(-1,-2) = \frac{-12}{9}[/tex][Pre-Algebra] Simplify:                                                                                    [tex]y''(-1,-2) = \frac{-4}{3}[/tex]

Solve 9 > x + 15. Graph the solution.

Answers

Answer:

X + 15 < 9

x < 15 - 9

x < -6

Step-by-step explanation:

Hope you got it

∠ = 150 and∠ = 80. Find ∠. The diagram is not to scale

Answers

Answer:

I don't see the diagram but if you're adding to 360 degrees than the answer is 90

Step-by-step explanation:

I need help with my test please i have 4 minutes left

Answers

Answer:

$8466.15

Step-by-step explanation:

its 7330 * 0.155 which is 1136.15+7330 is 846.15

Hope this helps plz hit the crown :D

Answer:

$8,466.15

Step-by-step explanation:

so sorry i miscalculated!!

Please! I'M IN A HURRY. 40 POINTS!
The graph of g is a vertical shrink of the graph if f. What can you say about the x-intercepts if the graphs of f and g. Is this always true? Explain.

Answers

Answer:ok ok your answer is...sample response!

g(x) = f(5x)

Step-by-step explanation:

We assume that "shrink by a factor of 1/5" means that horizontal distances on the graph of g(x) are 1/5 of those on the graph of f(x).

Dividing x by a dilation factor will cause horizontal dilation of a graph. Here, that factor is 1/5, so the desired function is ...

 g(x) = f(x/(1/5))

 g(x) = f(5x)

BRAINLIEST???

A jar contains 11 red marbles, 12 blue marbles, and 6 white marbles. Four marbles from this jar are selected, with each marble being replaced after each selection. What is the probability that at least 1 of the selected marbles is blue?

(StartFraction 12 Over 29 EndFraction) Superscript 4
(StartFraction 17 Over 29 EndFraction) Superscript 4
1 minus (StartFraction 12 Over 29 EndFraction) Superscript 4
1 minus (StartFraction 17 Over 29 EndFraction) Superscript 44

Answers

Answer:

D or 1-(17/29)^4

Step-by-step explanation:

This is because you need to figure out the probability that a selected marble is not blue, which is (17/29)^4. Then you can calculate the probability that one of them is blue by taking this number, and subtracting it from 1. This results in 1-(17/29)^4.

The probability that at least 1 of the selected marbles is blue is  1 - ([tex]\frac{17}{29}[/tex])⁴.

What is Probability?

Probability in simple terms is the chance of getting an event. Probability of any event can be found by number of likely outcomes divided by the total number of outcomes.

Probability with replacement means the events are independent. That is, the probability of first event does not depend on the second event.

For two independent events A and B,

P(A and B) = P(A) × P(B)

In the question,

Number of red marbles = 11

Number of blue marbles = 12

Number of white marbles = 6

Total number of marbles = 29

Four marbles are selected with each marble being replaced after each selection.

We have to find the probability that at least 1 of the selected marbles is blue. For that, first we find the probability of no marbles are blue.

P(no marbles are blue) = P(red marbles or white marbles)

                                      = Number of red and white marbles / total number                      

                                         of marbles

                                      = (11 + 6) / 29 = 17/29

P(no marbles are blue) for four takes =  [tex]\frac{17}{29}[/tex] ×  [tex]\frac{17}{29}[/tex] ×  [tex]\frac{17}{29}[/tex] ×  [tex]\frac{17}{29}[/tex]

                                                              =  ([tex]\frac{17}{29}[/tex])⁴

Total probability of a sample space is always 1.

So, the probability that at least 1 marble is blue = 1 -  ([tex]\frac{17}{29}[/tex])⁴.

Hence the probability that at least 1 of the selected marbles is blue is  1 - ([tex]\frac{17}{29}[/tex])⁴.

To learn more about Probability, click :

https://brainly.com/question/30034780

#SPJ2

f(x)= x−41​ −6. Find the inverse of f(x) and its domain.​

Answers

Answer:

the answer is A

100 points !!!!
Please help ASAP: What times 28,000 equals 4,410,483,661

Answers

Answer:

157517.273607

Step-by-step explanation:

Answer  it 4410455661

please help me asap​

Answers

Answer:

1.C

2.A

Step-by-step explanation:

Closed circle is =

Step-by-step explanation:

for number 1 the answer is the third line

for number 2 i believe the answer is the second line

hope it help

Please help me with this question

Answers

Answer:

First blank: 8 mph

Second Blank: 4 mph

Step-by-step explanation:

I'm not really that sure for the second blank but maybe-

The sum of the digits of a two digit number is 9 When the digits are reversed the number increases by 9. Find the number.

Answers

Answer:45

Step-by-step explanation:

Let the unit place be ‘x'

Tenth place be y

The number is 10y+x

x+y = 9 (according to the condition) (1)

Digits are interchanged Unit place' y ‘& tenth place ‘ x'

New no is 10x +y

This is 9 more than the original number

10x+ y = 10y+x +9

10x-x+y-10y = 9

9x-9y= 9

x-y = 1 (dividing by 9) (2)

Adding the two equations

2x = 10

x= 5

Substituting the value of x in first equation

y = 4

The number is 45, the original number is 54 this is 9 more of the new number.

Ans :45

Solve system by Substitution
method, provide steps.
y = 5x - 18
-5x+6y = 17

Answers

Answer:

x=5

Step-by-step explanation:

-5x+6(5x-18)=17

-5x+30x-108=17

25x-108=17

25x=17+108

25x=125

x=5

Angle question<><><><>><><><><>

Answers

ummmmmmmmmmmmm 143 degrees (sorry for the um i needed 20 characters)

give me brain plz.

answer the following question

Answers

Answer:

a) x = 5

b) x = 4

Step-by-step explanation:

a) x = 5

You can get this with a calculator if you need by using the log function.

[tex]log_{2} 32 = x[/tex]

x = 5

b) x = 4

According to the product rule of exponents: [tex]a^{x} * a^{y} = a^{x + y}[/tex]

So, x + 11 = 15 --> x = 4

Brainlest and points !!

Answers

Answer:

ok

Step-by-step explanation:

Answer: D

Step-by-step explanation:

Evelyn spends 50% of his monthly budget on clothes and food.

(175 + 425)/1200 × 100

= 600/1200 × 100

= 50%

If the probability of Bob passing a driving test is p and the probability he fails is 6p^2 what is the value of p?

Answers

We are given:

Probability of passing = p

Probability of Failing = 6p²

__________________________________________________________

Finding the value of 'p':

We know that the sum of the probabilities of an event occurring and not occurring is 1

So, Probability of passing + Probability of Failing = 1

p + 6p² = 1

6p² + p - 1 = 0

We can see that we now have a quadratic equation

Splitting the middle term:

6p² + 3p - 2p - 1 = 0

3p(2p + 1) - (2p + 1) = 0

(3p - 1)(2p + 1) = 0                      [factoring out 2p + 1]

Now, we can either divide both sides by (3p-1) or by (2p + 1) and both the cases will give us different answers.

Dividing both sides by (3p - 1):

2p + 1 = 0/(3p-1)

2p + 1 = 0

p = -1/2

Dividing both sides by (2p+1):

(3p - 1) = 0 / (2p + 1)

3p - 1 = 0

p = 1/3

Now, we have 2 values of p: -1/2 and 1/3

Using the value: -1/2 will mean that the probabilities are negative

but we know that probabilities cannot be negative.

So, -1/2 is not a valid value for p

Therefore, the value of p is 1/3

Simplify -8 - 7v +10 + 4v

Answers

Answer:

-74v

Step-by-step explanation:

uh-

The two top concert tour in 2016 were concert A and concert B. Based on average ticket prices, it cost a total of $1404 to purchase six tickets for concert A and six tickets for concert B. three tickets for concert B cost a total of $584. how much did an average ticket coast for each tour

Answers

Answer:

hhhhhhhhhhjh u hhhhhhhhhhggh

Lucy is a dress maker. She sews 4/7 of a dress in 3/4 hour. Lucy sews at a constant rate. At this rate, how many dresses does Lucy sew in one hour?
Include fractions of dresses if applicable.

Answers

Answer:

16/21 dresses

Step-by-step explanation:

3/4 · k hours: 4/7 · k dresses for any constant k

If we want 1 hour, then k will need to be 4/3

4/3 × 4/3 hours: 4/7 × 4/3

1 hour = 16/21 dresses

Help I don’t know the answer

Answers

Bufhenjseuhrcubyfbtbvyx-p

Marta is making a quilt in the shape of a square. The length of one edge of the quilt is 2g^2h^3. What is the area of the quilt?

Answers

Answer:

(2g^2h^3)^(2g^2h^3) OR 4gg^4hh^9

Step-by-step explanation:

Identify the function in this graph

Answers

Answer:

what's the graph?

Step-by-step explanation:

you forgot to put the graph!

after changing the amount of time he works Seth has begun earning a salary of $214,206 that is 5% less than before how much does Seth’s salary used to be

Answers

Answer:

seth's new old salary was $224,916

Step-by-step explanation:

You take 214,206 and multiply it by .05 which is 5%

you take the number u got from multiplying that and add it onto the existing "salary" which is $214,206 and 5% of 214,206 is 10,710. you then add that onto 214206 and u get ur answer. Hope this helped.

Can someone please help me with 5 and 6? :)

Answers

Step-by-step explanation:

5) 2 lines are perpendicular

slope of line 1 =3

slope of line 2= _1/3

6)perpendicular

(3x^-4)6/9x^-12 can you please solve? I’ll give brainly

Answers

Answer:2

Step-by-step explanation:

what angle is supplementary to angle 5

Answers

Answer:

Angle 5 and angle 6 are supplementary angles

Step-by-step explanation:

Angle 5 and 6 are both supplementary angles because angle 6 and 5 are linear pairs

1 is supplementary to angle 5

What is the relationship between 3/4 and 9/12?

Answers

Answer:

timed by 3

Step-by-step explanation:

[tex]\frac{3}{4} x 3 \frac{9}{12}[/tex]

then you get 9/12

but 3/4 is simplified

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