8. Calir read for 4 hours last week. Luiz
read 6 times as long. Which equation
would show how long Luiz read?

Answers

Answer 1
6*4. Because Luiz reads 6 times as more which means multiplication. Therefore Luiz reads 24 hours

Related Questions

What transformations of the parent function f(x) = lxl should be made to graph, f(x) = -lxl +5

Reflection over the x-axis, shift down 5 units.
Reflection over the x-axis, shift up 5 units.
Reflection over the y-axis, shift down 5 units.
Reflection over the y-axis, shift up 5 units.

Answers

Answer:

Reflection over the x-axis, shift up 5 units

Step-by-step explanation:

Given Parent Function:

f(x) = |x|

Transformed function:

f(x) = - |x| + 5

In transformed function:

f(x) = -|x|, Represent that parents function is first reflected over the  x - axis.

then in transformed function,

f(x) = -|x| + 5

represent that after reflection function is shifted 5 unit in upward direction.

Answer:

Reflection over the x-axis, shirt up 5 units

Step-by-step explanation:

It's a reflection because the x axis is a negative, and +5 moves up 5 units on the y axis

*100 points* pls help on this edulastic, brainly community. Answer the questions in the pic.

Answers

Answer:

  4. 48, 24, 12

  21. A, B, B, C

Step-by-step explanation:

There are two different questions here. One where you get to make up an exponential function and write a table of values. The other is a statistics problem in which you compare 5-number summaries.

__

Exponential Function

For the function f(x) = a·b^x, the value of f(0) is 'a'. The given table shows a=96. The only requirement for choosing 'b' is that it not be 1. We can choose b=1/2, and our table will be ...

  y = 96·(1/2)^x

  [tex]\begin{array}{c|cccc}x&0&1&2&3\\y&96&\boxed{48}&\boxed{24}&\boxed{12}\end{array}[/tex]

For each increase of x by 1 unit, the value of y is cut in half.

__

Statistics

The attachment shows you how to find the answers to the questions.

The median is the bar in the middle of the box. The values for the different teams are ...

A: 78B: 86C: 82

Team A has the lowest median; Team B has the highest median.

The interquartile range (IQR) is the length of the box. For the different teams, the values are ...

A: 88-74 = 14B: 90-78 = 12C: 86-70 = 16

Team B has the smallest IQR; Team C has the largest.

I NEED HELP ASAP!!!!!

Answers

Answer:

Option1 : Domain and range for both functions are all real numbers

Step-by-step explanation:

simplify 4 times the square root of 6 divided by the square root of 30 by rationalizing the denominator. show your work.

Answers

Answer:

4*[tex]\sqrt{5}[/tex]/5

Step-by-step explanation:

(4*[tex]\sqrt{6}[/tex])/[tex]\sqrt{30}[/tex]

This is my interpretation, although the question could also be interpreted as 4 * ([tex]\sqrt{6}/\sqrt{30}[/tex])

Multiply the nominator and denominator by sqrt 30

4* sqrt 6 * sqrt 30/ 30

4 * sqrt 6 * sqrt 6 * sqrt 5/30

24*sqrt 5 / 30

4*sqrt5/5

2 in 4x = 2 in 8 What is the true solution to

Answers

Answer:

2In4x= 2In8 ln(16x^2) = ln64 Multiply e by both sides.

Step-by-step explanation:

PLEASE ANSWER A AND B, GIVING BRAINLIEST!

Answers

Answer:

  a)  V = (8 -4/3π)r³

  b)  2048(2 -π/3) cm³ ≈ 1951.34 cm³

Step-by-step explanation:

When a sphere is placed in a box the empty space volume is the difference between the box volume and the sphere volume. Here, the box is a cube with the same outside dimensions as the sphere.

__

a. (formula)

The side length of the cube is 2r, where r is the radius of the sphere. So, the volume of the cube is ...

  V = s³ = (2r)³ = 8r³

The volume of the sphere is given by the formula ...

  V = 4/3πr³

The volume of the empty space is the difference of these:

  V = (8r³) -(4/3πr³)

  V = (8 -4/3π)r³ . . . . . . . formula for the empty volume

__

b. (empty space)

For r=8 cm, the empty volume is ...

  V = (8 -4/3π)(8 cm)³ = 4(2 -π/3)(512 cm³)

  V = 2048(2 -π/3) cm³ ≈ 1951.34 cm³ . . . . empty volume

Find the value of x to the nearest tenth.

6.0
8.3
5.8
6.2

Answers

Answer:

value of x is y to the nearest tenth. is 6.0 is equal to 8.3 to 5.8. 6.2

A cubical dice is thrown two times, find the probability that the outcomes is 5 in first throw and odd number in second throw.​

Answers

All the numbers present in cubical dice = 6

( 1 , 2 , 3 , 4 , 5 ,6 ) Total Outcomes = 6

Probability = Favorable outcomes / Total number of outcomes

Probability that 5 will come in first throw :-

Favorable Outcomes = 1

Favorable Outcomes = 1 Probability = 1/6

Probability that an odd number will come in second throw :-

Favorable Outcomes = 3

Probability = 3/6 ; 1/2

(08.06)The dot plot shows how many swimmers are in each line at a waterpark:

Dot plot titled Swimmers in Line and labeled Number of Swimmers shows a number line from 1 to 10. There is 1 dot over 1, no dots over 2, 3, 4, 5 and 6, 2 dots over 7, 4 dots over 8, 6 dots over 9, and 5 dots over 10.

Answers

Answer:

The answer is

A. Median, because the data are skewed and there is an outlier

Step-by-step explanation:

Answer:

The answer is median, because the data is skewed and there is an outlier.

Step-by-step explanation:

In a survey, 125 people were asked to choose one card out of five cards labeled 1 to 5. The results are shown in the table. Compare the theoretical probability and experimental probability of choosing a card with the number 1.​

Answers

Answer: probably 4 cards each person

Step-by-step explanation:

Find the circumference.

Answers

Answer:

Step-by-step explanation:

Remark

The circumference of a circle is given by

C = 2*pi*r

C is the circumference

r is the radius.

Givens

r = 11.8

pi = 3.14

Solution and answer

C = 2 * 3.14 * 11.8

C = 74.10

answer C = 74.10

Note:If you are called  upon to round to the nearest hundredth, then 74.1 is not the answer. You must add the zero to show that it occupies the hundredths place.

Identify the geometric mean of 8 and 20 in simplest radical form.

Answers

Answer:

8/x = x/20

x^2=160

x=sqrt(160)

x=sqrt(16*10)

x=sqrt(16)*sqrt(10)

x=4*sqrt(10)

Step-by-step explanation:

The geometric mean of 8 and 20 in the simplest radical form is 2√10.

What is geometric mean?

The Geometric Mean is a unique kind of average in which the numbers are multiplied together and then their square, cube, or other root is taken (for two numbers, three numbers, etc.).

To calculate the geometric mean of two numbers:

You would multiply the numbers together and take the square root of the result.

First, multiply 8 and 20.

That equals 160.

Then you take the square root of 160;

√160

= 12.65,

which doesn't result in a whole number.

So you factor 160 and removing perfect squares.

√160

= √ (4 x 10)

= 2√(10)

Therefore, the geometric mean is 2√10.

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Write an equation of the line that passes through (2, -5) and has a slope of 4

Answers

Step-by-step explanation:

(y-(-5))/(x-2) = 4

(y+5)/(x-2) = 4

y+5 = 4x - 8

y = 4x - 13

To find the y-intercept, we can use the equation y=mx+b, where we plug in the coordinates for y and x, and m for the slope, and solve for b.
Coordinates are (2,-5) so x = 2, and y = -5. Since the slope is 4, m = 4
Plugging them in, we get:
-5 = 2(4) + b
-5 = 8 + b
-13 = b
The y intercept is -13. So the equation is:
y = 4x - 13.
Hope this helps

8) Choose the correct linear system of inequalities for the graph given.

Answers

Answer:

To graph a linear inequality in two variables (say, x and y ), first get y alone on one side. Then consider the related equation obtained by changing the inequality sign to an equality sign. The graph of this equation is a line.

If the inequality is strict ( < or > ), graph a dashed line. If the inequality is not strict ( ≤ or ≥ ), graph a solid line.

Finally, pick one point that is not on either line ( (0,0) is usually the easiest) and decide whether these coordinates satisfy the inequality or not. If they do, shade the half-plane containing that point. If they don't, shade the other half-plane.

Graph each of the inequalities in the system in a similar way. The solution of the system of inequalities is the intersection region of all the solutions in the system.

Example 1:

Solve the system of inequalities by graphing:

y≤x−2y>−3x+5

First, graph the inequality y≤x−2 . The related equation is y=x−2 .

Since the inequality is ≤ , not a strict one, the border line is solid.

Graph the straight line.

Consider a point that is not on the line - say, (0,0) - and substitute in the inequality y≤x−2 .

0≤0−20≤−2

This is false. So, the solution does not contain the point (0,0) . Shade the lower half of the line.

Similarly, draw a dashed line for the related equation of the second inequality y>−3x+5 which has a strict inequality. The point (0,0) does not satisfy the inequality, so shade the half that does not contain the point (0,0) .

The solution of the system of inequalities is the intersection region of the solutions of the two inequalities.

Example 2:

Solve the system of inequalities by graphing:

2x+3y≥128x−4y>1x<4

Rewrite the first two inequalities with y alone on one side.

3y≥−2x+12y≥−23x+4−4y>−8x+1y<2x−14

Now, graph the inequality y≥−23x+4 . The related equation is y=−23x+4 .

Since the inequality is ≥ , not a strict one, the border line is solid.

Graph the straight line.

Consider a point that is not on the line - say, (0,0) - and substitute in the inequality.

0≥−23(0)+40≥4

This is false. So, the solution does not contain the point (0,0) . Shade upper half of the line.

Similarly, draw a dashed line of related equation of the second inequality y<2x−14 which has a strict inequality. The point (0,0) does not satisfy the inequality, so shade the half that does not contain the point (0,0) .

Draw a dashed vertical line x=4 which is the related equation of the third inequality.

Here point (0,0) satisfies the inequality, so shade the half that contains the point.

The solution of the system of inequalities is the intersection region of the solutions of the three inequalities.

Step-by-step explanation:

I got it right

Find the volume of the sphere. Round your answer to the nearest tenth.

Answers

Answer:

17157.28

Step-by-step explanation:

If we know that the volume of a sphere is equal to V=4/3πr3, then we can assume this.

The radius of the sphere is 16, so 16 cubed is 4096. 4096 x pi is 12867.96

12867.96 x 4/3 is 17157.28

Find the volume of the solid.
3 cm
2 cm
6 cm
4 cm
4 cm
2 cm
7 cm

Answers

Answer:

8064cm.

Step-by-step explanation:

When trying to find volume,All you have to do is multiply all the numbers.

Answer:

3 x 2=6 x 6 = 36 x 4 = 144 x 4 = 576 x 2 = 1152 x 7 = 8064

Step-by-step explanation:

3500 people attend a show. The
next time the show is on the amount
of people has increased by 142%. Find
out how many people are at the
second show.

Answers

Answer:

8470 people are at the second show


25-42 Differentiate the function.
25. [tex]f(x)=x^{5}+5^{x}[/tex]

Answers

Answer:

y'= 5x^4 + 5^x In(5)

Step-by-step explanation:

Differentiate with Respect to x

f(x)'=5x^4 + In(5^x)

f(x)'= 5x^4 + x In(5)

with respect to x, we have

y'= 5x^4 + y In(5)

y'= 5x^4 + 5^x In(5)

PLEASE HELP ME!
I don’t know what to put on “METHOD” and “EXPLANATION.”
Please help me! :-(

Answers

Answer:

7) graphing, because they are in the y=mx+b format.


8) substitution, because it tells you what y equals.

9) substitution, because it tells you what y equals.

10) elimination, because you can subtract the x's to equal 0.

11) graphing, because they are in the y=mx+b format.

12) substitution, because it tells you what y equals.

Step-by-step explanation:

What is the metric system based on

Answers

metric system, international decimal system of weights and measures, based on the metre for length and the kilogram for mass, that was adopted in France in 1795 and is now used officially in almost all countries.

A furniture store book shelf was priced at
$
345.00
The store was having a
60
%
off sale store wide. What is the sale price of the book shelf?

Answers

Answer:

$138.00

Step-by-step explanation:

The original price of the shelf is $345.00.  The new sale price is the original price of  100% less the 60% of the original price.  That means the sales price is 40% of the original price.

You can do this 2 ways:

1.  $345 x 60% or .60 = $207

   $345-207 = $138

or

2.  $345 x 40% or .40 = $138

Answer:$138

Step-by-step explanation:

Since the store is on sale 60% out of a whole 100%

= 100% - 60% = 40%

40% is [tex]\frac{40}{100}[/tex] = 0.4

0.4 x 345 = $138


A farmer has both sheep and chickens on his farm. All the animals have the expected number of parts. When his animals are all
together, there are 90 legs and 32 heads. How many of each animal does he have?

Answers

Answer:

13 sheep, 19 chicken

Step-by-step explanation:

You can start to solve this problem by assigning variables. First, let's assign the number of sheep there are as [tex]x[/tex] and the number of chickens there are as [tex]y[/tex].

Because each sheep has 4 legs, the number of legs for each sheep would be [tex]4x[/tex]. Similarly, because each chicken has 2 legs, the number of legs for each chicken would be [tex]2y[/tex]. Each animal would have 1 head, so the number of heads would just be [tex]x[/tex] and [tex]y[/tex]. Because the number of legs in total are 90, [tex]4x + 2y=90[/tex]. Because the number of heads in total are 32, [tex]x+y=32.[/tex]

There is now a system of equations with two unknown variables and two equations. There are many ways to solve this, but for me, the easiest would be elimination. First, I would double the second equation, [tex]2x+2y=64[/tex]. Then, I would subtract that from the first equation, eliminating [tex]y[/tex]. [tex]2x=26[/tex]. Solving for x gives 13. We can then plug that value into the second equation, making y be [tex]32-13=19[/tex]. This means that [tex]x=13[/tex] and [tex]y=19[/tex], meaning that there are 13 sheep and 19 chicken.

In a deck of playing cards, what is the
probability of drawing a red card, replacing it, and
then drawing a queen?

Answers

Step-by-step explanation:

As the cards are being drawn with replacement, the events are independent. Thus we can find the probability by multiplying the probability of individual events.

There are 4 queens in a pack of 52 cards. So, probability of drawing a queen= 4/52=1/13

There are 26 red cards. So, probability of drawing a red card= 26/52=12

Required probability= 1/13×1/2=1/26

Answer:

1/26

Step-by-step explanation:

For probability, the numerator is the number of options for the specified property (red card/drawing a queen) and the denominator is the total number of options (in this case 52).

There are 26 red cards in a deck, the the probability of choosing a red card is [tex]\frac{26}{52}[/tex] or [tex]\frac{1}{2}[/tex].

There are 4 queens in a deck, so the probability of choosing a queen is [tex]\frac{4}{52}[/tex] or [tex]\frac{1}{13}[/tex].

To find the probability of getting these both, multiply the results, giving [tex]\frac{1}{26}[/tex].

23) Find the center of the circle

Answers

Given Equation of Circle :-

[tex]\bull\:[/tex][tex]\sf{x^2+y^2 -10x+8y + 1= 0}[/tex]

[tex]\\[/tex]

Solution:-

The general form of circle is given by the equation by the equation -

[tex]\green{ \underline { \boxed{ \sf{x^2+y^2 + 2gx+2fy + c = 0}}}}[/tex]

in which

coordinate of center = (-g , -f )radius of circle = [tex]\sqrt{g^2+f^2-c}[/tex]

Comparing given equation with general form of circle -

g = -5 f = 4c = 1

So, Center of Circle = (-(-5), -4)

➥ (5, -4)

[tex]\\[/tex]

Also, radius of circle = [tex]\sqrt{(-5)^2+4^2-1}[/tex]

➥ [tex]\sqrt{25+16-1}[/tex]

➥ [tex]\sqrt{40}[/tex]

➥ [tex]2\sqrt{10}[/tex] units .

which shapes have 2 pairs of parella sides

Answers

Answer:

Parallelogram

Step-by-step explanation:

Answer:parallelogram

Step-by-step explanation:

The outstanding balance of a credit card bill is $250. According to the credit card company's policy, an interest fee of 2% on the card balance will be applied each month the bill is not paid.
Assuming that the bill is not paid, what will the outstanding balance be after 6 months?
A) After 6 months, the outstanding balance on the credit card will be approximately $276.02. B) After 6 months, the outstanding balance on the credit card will be approximately $622.08. C) After 6 months, the outstanding balance on the credit card will be approximately $281.54. D)After 6 months, the outstanding balance on the credit card will be approximately $255.10.​

Answers

Answer:

The closest answer is C) After 6 months, the outstanding balance on the credit card will be approximately $281.54.

Step-by-step explanation:

First we figure out the amount of interest.

0.02 x 250 = 5

5 x 6 = 30

30 + 250 = 280

Use the scenario and elimination by multiplication to answer the question.
At lunch, Marc bought 2 quesadillas and 2 tacos for $10.16, and Jason paid $11.84 for 5 tacos and 1 quesadilla. What was the cost of each taco and quesadilla? Let the cost of a quesadilla be x and the cost of the taco be y.

A. The quesadillas cost $3.11 each, and the tacos cost $1.69 each.
B. The quesadillas cost $1.57 each, and the tacos cost $3.45 each.
C. The quesadillas cost $3.39 each, and the tacos cost $1.69 each.
D. The quesadillas cost $3.39 each, and the tacos cost $1.57 each.

Answers

Answer:
C
Explanation:
You could solve this in the elimination way that I have been done in here.

I use Jason as an example that he paid $11.84 for 5t ( tacos ) + 1q ( quesadilla )
Therefore we could do the elimination if the taco cost 3.45 x 5 = 17.25, would be over the cost.

-> Cross B answer

Then we take 1.57 x 5 = 7.85. 11.84 - 7.85 = 3.99, which it is not 3.39 => Cross D answer.

Therefore the cost of tacos need to be 1.69 because there have been a repetition in both A& C

1.69 x 5 = 8.45. $11.84 - 8.45 = $3.39 for quesadillas.

Which it proves for the answer is C

Hope I have helping you on this question

how many cattle are there on the lazy circle double o bar four square ranch

Answers

The expression shown in the cattle on the lazy circle will be 22m + 42 and 17m + 3.

How to calculate the expression?

From the complete information, the first expression is given as:

= 7(2m + 6) + 8m

= 14m + 42 + 8m

= 22m + 42

The second expression is given as:

= 3(1 + 4m) + 5m

= 3 + 12m + 5m

= 17m + 3

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Lines C and D are represented by the equations given below:
Line C: y = x + 8
Line D: y = 3x + 2
Which of these shows the solution to the system of equations and explains why?
(3. 11), because the point does not lie on any axis
(3, 11), because both lines pass through this point
(4, 14), because one of the lines passes through this point
(4.14), because the point lies between the two axes

Answers

Answer:

(3, 11), because both lines pass through this point

Step-by-step explanation:

x = y - 8

y = 3(y -8) + 2

y = 3y - 24 + 2

y - 3y = -22

-2y = -22

y = 11

11 = x + 8

x = 11 - 8

x = 3

Answer :- (3,11)

Which function has an inverse that is also a function?
O {(-4, 3), (-2, 7), (-1, 0), (4, -3), (11, -7)}
O ((-4, 6), (-2, 2), (-1, 6), (4, 2), (11, 2))
O {(-4, 5), (-2, 9), (-1, 8), (4, 8), (11, 4)}
O ((-4,4), (-2, -1), (-1, 0), (4, 1), (11, 1)

Answers

keeping in mind that a function does not have any X-Repeats, that is, the 1st coordinate in every pair never repeats, well, in this case, all of them have no X-repeats, that means all of them are functions.  However, only one-to-one functions have an inverse that is also a function.

A one-to-one function is one that has no X-repeats as well as no Y-repeats, so each pair in the set has no coordinate repeats, Check the picture below.

For an ordered pairs to represent has an inverse a that is function, It shouldn't show one-to-many relation in the pairs. The answer is   {(-4, 3), (-2, 7), (-1, 0), (4, -3), (11, -7)} represents a function.

What is a function?

A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output. Each function has a range, codomain, and domain.

The set of all potential values that the function would be return when the domain is provided as input is the definition of range.

The one-to-one function has inverse where the inverse is the function.

That is, should be unique output for each input values.

{(-4, 3), (-2, 7), (-1, 0), (4, -3), (11, -7)} in this option, There are no one-to-many relations. So, It is a function.

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