6y - z: use y = 3, and z = -5

Answers

Answer 1

Answer: 6 (3)  -5

6x 3 = 18   18- 5  =  13

Step-by-step explanation:


Related Questions


Mrs Peh paid $1438 for 1 drum set and 1 keyboard. Tim paid $690 for 1 flute
and 1 keyboard. The drum set cost thrice as much as the flute. How much would
1 drum set and 1 flute cost?

Answers

Answer:

flute=374, drum=1122, keyboard=316

Help am i correct? I need help please give explanation

Answers

Yeah it’s.
Since we are dividing same numbers with different powers, just subtract the power of top number by bottom.

11^(16-3) = 11^13
Answer:  Choice B is correct

====================================================

Reason:

Focus on the numerator for now. The [tex](11^8)^2[/tex] is the same as [tex]11^{16}[/tex] because we multiply the exponents. The general rule is [tex](a^b)^c = a^{bc}[/tex]

Alternatively we can think of it like this

[tex](11^8)^2 = (11^8)(11^8) = 11^{8+8} = 11^{16}[/tex]

So far we have [tex]\frac{(11^8)^2}{11^3} = \frac{11^{16}}{11^3}[/tex]

------------

The last step is to subtract exponents due to the rule [tex]\frac{a^b}{a^c} = a^{b-c}[/tex] and the order of subtraction is important.

Therefore, [tex]\frac{(11^8)^2}{11^3} = \frac{11^{16}}{11^3} = 11^{16-3} = 11^{13}[/tex]

Jack works in a bookstore. He has 300 books to stock on the shelves. So far, he has stocked 120 books today. What percent of the books does he have left to stock?
A. 30%
B. 40%
C. 50%
D. 60%

Answers

Answer:Jack has 60% of the books left to stack.

Step-by-step explanation:

Answer:

Step-by-step explanation:

60% (300-120) 180/300*100=60.  60%

how can we multiply 2 equations​

Answers

Answer:

Given equations:

a = x + yb = x - y

To multiply 1 and 2;

[tex]{ \tt{a \times b = (x + y)(x - y)}} \\ = { \tt{(x.x) + (x. - y) + (y.x) + (y. - y)}} \\ = { \tt{ {x}^{2} - xy + xy - {y}^{2} }} \\ = { \tt{ {x}^{2} - {y}^{2} }}[/tex]

Which of the following is true of the composition G(F(y))?

Answers

The correct option is D.The function F(G(H(y))) depends on G(H(y)).

What is defined as the composite functions?The method by which two or even more functions into one function is identified as function composition.f(g(x)) or (f °g) represents this same composition of functions f(x) as well as g(x), where g(x) acts first (x). It integrates a number of functions to produce another. The output of one function inside the parenthesis is becoming the input of the other function in a function composition.

For the given question-

A function is defined by its argument (values in parentheses after a function name). G(H(x)) is the argument of function F in F(G(H(x))).

F(G(H(x)) is dependent on G(H(x)).

Answers A and C make no statements about the particular composition. Answer option B depicts a composition (H(G(x)) that is unrelated to the argument of function F.

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The complete question is-

Which of the following is true of the composition F(G(HyX)))?

A. The function G(F(H(y))) depends on G(H(y)).

B. The function F(G(H(y))) depends on H(G(y)).

C. The function H(G(F(y))) depends on G(F(y)).

D.The function F(G(H(y))) depends on G(H(y)).

Find the measurement of the angle indicated for each trapezoid.

Answers

Answer:

∠ C = 50°

Step-by-step explanation:

• each lower base angle is supplementary to the upper base angle on the same side.

then

∠ C + ∠ D = 180°

∠ C + 130° = 180° ( subtract 130° from both sides )

∠ C = 50°

help me asap im in a dba back to basics exam and didnt study

Answers

Answer:

is this flvs full flex? I'm in this as well, whats your grade?

also im doing 12th grade math if you havent gotten to that point yet you will be working in Aleks for math and phewww, good luck i hate this

Step-by-step explanation:

Y=(X-3)^2 from the parent function y=x^2

Answers

The parent function will shift the right side by 3 units after applying the transformation x → (x - 3).

What is a function?

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

It is given that:

The parent function is:

y = x²

After applying the transformation:

x → (x - 3)

The function will shift the right side by 3 units.

The equation of the function will be:

y = (x - 3)²

Thus, the parent function will shift the right side by 3 units after applying the transformation x → (x - 3).

The complete question is:

Describe the Transformation y=(x - 3)² if the parent function is y = x²

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Round this number to the
nearest tenth.
6.3579

Answers

Answer: 6.4 :)

Step-by-step explanation:

6.358

Step-by-step explanation:

To round a number to the nearest tenth, look at the hundredth number .If that number is greater than 5,add 1 to the tenth value.If is less than 5 , leave the tenth place value as it is, and remove all the numbers present after the tenth's place.

What is the slope of the line that passes through the points (6,2) and (-18,2)

Answers

Answer:

0

Step-by-step explanation:

Since the Y coordinate does not change the slope is 0

Find the intersection of the two lines by solving the system of equations.
x + y = -8
-x + y = -2

Answers

Answer:

(-3, -5)

Step-by-step explanation:

Adding the equations, we get 2y = -10, and thus y = -5.

Substituting this back into the first equation gives us that x = -3.

So, the point of intersection is (-3, -5).

Two students start a club the first week of school. Each member invites three new members the second week of school. Each of these new members then invites three additional members the following week. If the pattern of each new member inviting three new members each week continues, how many members will be in the club after five weeks?
80 students
121 students
242 students
363 students

Answers

In linear equation ,242 total number of members within 5 weeks.

What is linear equation ?

A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

a manual computation on how 1 member recruits his members until week 5. Then multiply the sum by 2.

                            old      new

1:   1

2:   1 x 3 = 3 ⇒        1         3       *only new members recruit 3 more

3:   3 x 3 = 9 ⇒        4         9

4:   9 x 3 = 27⇒     13       27

5: 27 x 3 = 81 ⇒    40       81

40 + 81 = 121. Total number of members under 1 founding member.

121 x 2 founding members = 242 total number of members within 5 weeks.

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Answer: Option C

Step-by-step explanation:

In two or more complete sentences, explain how to use ordered pairs of points in f(x)=2x+5 and g(x)= x-5/2 to determine if f(x) and g(x) are inverses of each other.

Answers

The ordered pair given are not inverse to each other because:

Substituting a value say 5/2 into f(x)=2x+5 gives 10Substituting 10 into g(x)= x-5/2 does not return 5/2

How to know inverse functions

When two functions are inverse to each other substituting a value A in function say AA will give answer say X, substituting the answer X to the the other function say BB returns the value A.

Instance

say function AA, plug in A gives X

the inverse will be:

say function BB plug in X gives A

So, we have  f(x)=2x+5 and g(x)= x-5/2

plugging in say 5/2 in f(x) will give

f(x) = 2 * 5/2 + 5

f(x) = 5 + 5

f(x) = 10

We plug in 10 to g(x)= x-5/2

g(x) = 10 - 5/2

g(x)= 7/2

since 7/2 ≠ 5/2 the pair of functions are not inverse to each other

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Is 0.6294 terminating or repeating

Answers

Answer:

This is terminating.  As a fraction it would be: [tex]\frac{6294}{10000}[/tex] not simplified

Step-by-step explanation:

If it was repeating you would see a repeat bar over part of the number. Or 3 .... showing that the number goes on.

May I get help with my math?

Answers

Answer:

I don't know and your read in which class

Suppose in a class, 27 students got an A on the first exam and 15 students got an A on the third exam. Twelve students got an A on both the first and third exams. What is the conditional probabilty of getting an A on the third exam given that they got an A on the first exam, P(A third | A first)?

Answers

The conditional probability of getting an A on the third exam given that they got an A on the first exam, P( A IIIrd | A Ist ) is 4/9.

Given that:

In a class, 27 students got an A on the first exam.15 students got an A on the third exam.12 students got an A on both the first and third exams.

To find:

What is the conditional probability of getting an A on the third exam given that they got an A on the first exam, P(A third | A first)?

So, according the question,

Let's assume, total no. of students in class is x.

So, we know that

Conditional probability P( A IIIrd | A Ist ) = [tex]\frac{P(III^{rd} \cap I^{st}) }{P(I^{st})}[/tex]

From question,

P( A IIIrd ∩ A Ist) = 12/x. and

P(A Ist) = 27/12.

Now, putting the values

So, we will get

              P( IIIrd | Ist ) = [tex]\frac{P(III^{rd} \cap I^{st}) }{P(I^{st})}[/tex]

              P( IIIrd | Ist ) = [tex]{(\frac{12}{x})}\div {(\frac{27}{x} )}[/tex]

                                  = [tex]\frac{12}{x} \times \frac{x}{27}[/tex]

                                  = 12/27

                                  = 4/9            

Answer:

So, 4/9 is the Conditional probability of getting an A on the third exam given that they got an A on the first exam,

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Do someone have the answers

Answers

1. y = 5x + 15.

2. y = total cost

x = number of calendar

m = cost per calendar = slope = 5

b = initial value/y-intercept = 15

3. $1,015.

4. The equation in slope-intercept form is: y = 5x + 15

5. Slope (m) = 5

6. y-intercept (b) = 15; x-intercept = -3.

7. See attachment below for the graph.

How to Write an Equation that Models a Situation?

Using the information given, we can create an equation in slope-intercept form y = mx + b, where m would be the slope and b would be the y-intercept of the linear equation.

Let,

y = total costx = number of calendarm = cost per calendar = slope = 5b = initial value/y-intercept = 15

1. To create an equation that models the situation, substitute m = 5 and b = 15 into y = mx + b:

y = 5x + 15.

2. The variables and numbers in the equation are:

y = total cost

x = number of calendar

m = cost per calendar = slope = 5

b = initial value/y-intercept = 15

3. Substitute x = 200 into y = 5x + 15

y = 5(200) + 15

y = 1,015

Total cost = $1,015.

4. The equation in slope-intercept form is: y = 5x + 15

5. The slope (m) = 5

6. The y-intercept (b) = 15

To find the x-intercept, substitute y = 0 into y = 5x + 15

0 = 5x + 15

-5x = 15

x = 15/-5

x = -3

The x-intercept = -3.

7. See attachment below for the graph.

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Students planted 360 tree saplings. which is 12% of the planned amount. How many seedlings are planned to be planted?​

Answers

Jaanajossokaiaosjananaksjsi929292

How much 8% saline solution should Kent mix with 60 cubic centimeters (cc) of an 18% saline solution to produce an 11% saline solution?
cubic centimeters of an 8% saline solution is needed.
X
5

Answers

Based on the concentration of the saline solution and the cubic centimeters of the saline solution, the amount that should be mixed is 140 cubic centimeters

How to find out the cubic centimeters for mixing?

Assuming that the quantity of the saline solution that Kent should mix is denoted by x, the formula would be:
0.08x + (0.18 x 60) = 0.11 (x + 60)

Solving gives:

0.08x + 10.8 = 0.11x + 6.6

10.8 - 6.6 = 0.11x - 0.08x

4.2 = 0.03x

x = 4.2 / 0.03

x = 140 cubic centimeters

In conclusion, 140 cubic centimeters of the saline solution is needed.

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Tell me did I choose all of the right equations

Answers

No you did not. Your first two numbers can not exceed 10. Making your 1 and second answer choices wrong.

Correct choices are the 2nd, 3rd and 4th options

six million, ninety-six thousand, sixty-one
in standard notation

Answers

The answer would be 6,096,061. Standard Notation just means number form.

Answer =6,096,061

Hope this helps :)

3. What is this number in standard form? (1 point)
5.75 x 109
O5,750,000,000
O 575,000,000,000
O
0.00000000575
O 0.575000000000
4
HELP PLSSSSSSSS

Answers

Answer:

5,750,000,000

Step-by-step explanation:

A shopper bought 15 apples and 5 oranges. Which statement describes the ratio of apples to oranges?

Answers

The statement which describes the ratio of apples to oranges is; Choice D; 3:1 because the shopper bought 3 apples for every orange.

What is the ratio of apples to oranges?

It follows from the task content that the shopper in discuss bought; 15 apples and 5 oranges.

On this note, by dividing both numbers by their greatest common factor, it follows that the resulting ratio is;

(15/5) : (5/5)

= 3 : 1.

Hence, Choice D is correct; 3:1 because the shopper bought 3 apples for every orange.

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The square in the middle has an area of 1 square unit. What is the area of the entire
rectangle in square units? Explain your reasoning.

Answers

4 square units

If you draw a vertical line down the middle of the square, you divide it into two triangles that are congruent to the smaller triangles shown in the figure. Hence each of those triangles has an area of 1/2 square unit.
After you divide the square as as above, you see that two smaller triangles are identical in area to the larger triangles. So, each of those has an area of 2(1/2) = 1 square unit
Then the total of areas is…
2 small triangles + square + 2 large triangles =
2(1/2) + 1 + 2(1) = 4

Hopefully this helps a lot because this was a lot to type!

help pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee !!

Answers

Answer:

21, -4, 5

Step-by-step explanation:

In the function we are changing x into -5 :

So :

(-5)² - 4

25 - 4 = 21

f(0) will be :

0² - 4

0 - 4 = -4

f(3) will be :

(3)² - 4

9 - 4 = 5

Hope this helped and have a good day

BROS HELPPP Oh my god I NEED HELPP

Answers

Answer:

Ok, so all you have to do, is substitute the numbers in for x.

Step-by-step explanation:

For example substitute -3 in for x and solve. I hope this helps some!

Can anyone help me with this?

Answers

Answer: y=40x

Step-by-step explanation:

PLS PLS PLS PLS PLS PLS PLS PLS LAST QUESTION JUST HELP ME PLS I BEG U describe a real-world situation where you can apply finding the unit rate ​​

Answers

the growth of a plant or the amount of money you'll have off a banks interest overtime

The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days and a standard deviation of 17 days. What percentage of pregnancies last beyond 221 days?

Answers

Answer:

9882 hzjsjs en kIskoaisjdjksjssjjdjsjsjjzjsjsjzjNNKsk

Piano lessons with Ms. Bell cost $30 for
3/4
of an hour. What is Ms. Bell's hourly rate?

Answers

Answer:

$40

Step-By-Step Explanation:

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