The number of grams of calorie-free sodium in a restaurant meal is compared to the total number of calories in the meal. The correlation coefficient relating the two variables is 0.74.

Answers

Answer 1

Answer:

C:It is a strong positive correlation,and it is not likely causal.

Step-by-step explanation:

Correlation refers to the relationship between the two variables i.e x and y. It has mainly two types of correlation. The first one is positive and the other one is negative. It lied between -1 to 1. The 1 represents the strong positive correlation while the -1 represents the strong negative correlation

Since the correlation coefficient is 0.74 which is nearest to 1 so it denotes the strong positive correlation and thus is not causal

Hence, the correct option is c.

Answer 2

Answer:

The Answer is C Edg2020

Step-by-step explanation:


Related Questions

please help will give brainliest​

Answers

Answer

e) root 24

Explanation

x^2 + px + 6 = 0 has equal roots.

This means it has 1 root which is repeated.

Therefore when the values are inserted in the quadratic formula you should obtain one root.

This can only be done when the discriminant b^2 - 4ac = 0.

x = -b + or - root 0 (discriminant) / 2a

Therefore x = -b/2a

Where ax^2 + bx + c is the quadratic.

Insert a= 1 and b = p

-p/2 is the root

Therefore x = -p/2 when y = 0 (as the root is an x-axis intercept.

Substitute x = -p/2 in equation in question

(-P/2)^2 + -p^2/2 + 6 = 0

p^2/4 - p^2/2 = -6

Subtract fractions

- p^2/4 = -6

-p^2 = -24

p^2 = 24

p = square root 24

Answer:

24

Option C is the correct option.

Please see the attached picture for full solution.

Hope it helps ...

Good luck on your assignment...

Study the following figure, where two concentric circles share center C.
Segment AB is a diameter of the larger circle.
Segment AB intersects a chord of the smaller circle, PQ, at a right angle at point Z.
Segment AB intersects a chord of the larger circle, MN, at a right angle at point 0.

If MO=7x-4, and NO=6x, what is the length of MN

Answers

Answer:

Length of MN = 48 units

Step-by-step explanation:

AB is the diameter of the larger circle which is perpendicular to both the chords PQ (chord of the smaller circle) and MN(chord of the larger circle).

Theorem says,

"Radius or a diameter of a circle which is perpendicular to the chord divides the chord in two equal parts."

Therefore, MO ≅ ON

m(MO) = m(ON)

7x - 4 = 6x

7x - 6x = 4

x = 4

m(MN) = m(MO) + m(ON)

           = (7x - 4) + (6x)

           = 13x - 4

           = (13 × 4) - 4

           = 52 - 4

           = 48

Length of chord MN will be 48 units.

5/8 of the cats perferred drinking with there tongue but 3/16 wanted a straw if there was 39 cats that gave one of these 2 answers how many were surveyed in total GIVING BRAINLIST IF CORRECT AND THANKS. AND 5 STARS PLEASE HELP

Answers

Answer:

208cats

Step-by-step explanation:

⅝=tongue

³/16=straw=39cats

⅝+³/16=13/16

meaning total number of cats is 16/16

If ³/16=39cats

16/16=?

39×16/3

=208cats

Which of the following statements could be used in the proof?

Answers

Answer:

Option (3)

Step-by-step explanation:

To prove ΔULV ≅ ΔKLY,

                 Statements                    Reasons

1). VL ≅ LY                                1). Radii of a circle are equal

2). UL ≅ KL                              2). Radii of a circle are equal

3). ∠ULV ≅ ∠KLY                    3). Vertical angles are equal

4). ΔULV ≅ ΔKLY                    4). SAS property of congruence

Therefore, property (3) given in the options will be used to prove the triangles congruent.

A rectangular plot measures 20 ft. By 30ft. A 3ft wide side walk surrounds it. Find the area of the side walk

Answers

Answer:

336 feet²

Step-by-step explanation:

If we have a rectangle that is 30 by 20 feet, that means the area of that rectangle would be 20 × 30 feet squared, which is 600 ft².

If there is a 3 feet sidewalk surrounding it, that means that the end of the sidewalk will extend 3 feet extra around each side of plot. Since there are two ends to one side, that means an extra six feet is added on to each dimension. Therefore, 36 × 26 are the dimensions of the sidewalk+plot. 36 × 26 = 936 ft².

To find the area of the sidewalk itself, we subtract 600 ft² from 936 ft². This gets us with 336 ft².

Hope this helped!

An intelligent trader travels from 1 place to another carrying 3 sacks having
30 coconuts each. No sack can hold more than 30 coconuts. On the way
he passes through 30 checkpoints and on each checkpoint he has to give 1
coconut for each sack he is carrying. How many coconuts are left in the
end? *

Answers

Answer:

none

Step-by-step explanation:

the man is carrying 3 sacks

each has 30 coconuts

so at total he has 90 coconuts:  30*3= 90  

he passe through 30 checkpoints

ha has to give 1 coconut for each sack

so he gives 3 coconuts each time: 3*1=3

there are 30 ckeckpoints so : 3*30= 90

he has spent all the coconuts unless he has a trick

He starts with 3 sacks with 30 in each sack.

He has to give 1 coconut per sack away. So at first he gives 3 coconuts away.

The first 10 checkpoints he gives away 30 coconuts, so he is left with 2 sacks.

Now he has to give 2 coconuts away. 30/2 = 15, so the next 15 checkpoints he ends up giving away another full sack, so he is left with 1 full sack of 30 coconuts and he has 5 checkpoints left.

Giving away 1 coconut at those checkpoints, he would have 25 left

1 point
5) Malia earns $3,567 each month. She spends $2,895 each month and
saves the rest of her money. Select the equation that represents how much
is left over that she is able to save each month.
$3,567 - $2,895 = $6,462
$3,567 + $2,895 = $6,462
0 $3,567 - $2,895 = $672
O $3,567 + $2,895 = $672
1 point
roconts equivalent fractions? *

Answers

Answer:

C

Step-by-step explanation:

She earns $3,567 and spends $2,895.  That means that $2,895 is taken away from how much she earns each month.  Subtraction is the correct operation, cancelling out choices B and D

$3,567 - $2,895

Now, you need to figure out the answer to the above problem.  Choice C is your answer.

$3,567 - $2,895 = $672

I WILL MARK BRAINLIEST IF YOU ARE RIGHT please help me ive been stuck on this ever since monday haha im not sure how to do it thanks!

Answers

I'll remember some concepts:

[tex]\log_{a}{b} = \log_{a}{c} \implies b=c\\\\\log_{a}{b}+ \log_{a}{c} = \log_{a}{b\cdot c}[/tex]

Question:

[tex]\log_{6}{(x^2-5x)}=\log_{6}{(2x-9)}+\log_{6}({x+3)}\\\\\\\log_{6}{(x^2-5x)}=\log_{6}{(2x-9)\cdot(x+3)}\\\\\\(x^2-5x) = (2x-9)\cdot(x+3)\\\\\\x^2-5x=2x^2+6x-9x-27\\\\\\0 = x^2+2x-27\\\\\\\Delta = 4+108 = 112\\\\\\\\\sqrt{\Delta} = \sqrt{112} = 4\sqrt{7}\\\\\\\\x = \dfrac{-2\pm 4\sqrt{7}}{2}\\\\\\\\x = -1 \pm 2\sqrt{7} \\\\\\\\x_1 = 2\sqrt{7} -1\\\\\\x_2 = -1-2\sqrt{7}[/tex]

The negative solution cant exist since we are talking about logarithms.

Provide Two Column proof
Given: ABCD is a quadrilateral, Segment AB is congruent to Segment CD, <1 is congruent to <2
Prove: ABCD is a parallelogram

Answers

Answer and Step-by-step explanation:

When angle 1 is contrary to angle 2 the adjacent sides are parallel or identical instead. The diagonal from 1 is completely consistent with the other 2nd angle by different outward.

ASA produces two strong or contrugent triangles on the diagonal if both angle 1 and 2 are opposing one another.

Therefore ABCD is a parallelogram

Factorize 3x to second power minus 6x

Answers

Answer:

3x( 3x -2)

Step-by-step explanation:

(3x) ^2 - 6x

9x^2 -6x

The greatest common factor is 3x

3x( 3x -2)

HELP ME PLEASE AND THANKS :) <3

Answers

Answer:

D. Cost

It is cost because the y axis is the dependent variable because the cost depends on the weight and the dependent is the y axis.

Step-by-step explanation:

Please mark brainliest I hope this helps.

Answer:

D the cost

Step-by-step explanation:

cause the costs always go on the y axis

HELP ASAP Angle FGH is a central angle, what is the measure of FH A. 54° B. 108° C. 145° D. 216°

Answers

Answer:

A

Step-by-step explanation:

We can calculate this using circle theorems

The correct circle theorem to use here is that angle at center is 2 times angle at circumference

The angle we want to calculate here is the angle at circumference but we were given the angle at the center

So the value of the angle at the circumference would be 108/2 = 54

Find the inverse of g(x) = 3x^2 - 5

Answers

Answer:

[tex]\boxed{\sf \ \ \ g^{-1}(x)=\sqrt{\dfrac{x+5}{3}} \ \ \ }[/tex]

Step-by-step explanation:

Hello,

[tex]x=(gog^{-1})(x)=g(g^{-1}(x))=3(g^{-1}(x))^2-5\\\\<=>3(g^{-1}(x))^2 = x+5\\\\\\<=> (g^{-1}(x))^2=\dfrac{x+5}{3}\\<=>g^{-1}(x)=\sqrt{\dfrac{x+5}{3}}[/tex]

hope this helps

The inverse of function is x= √1/3( y+5 )

what is Inverse of function?

A function that reverses the effects of another function is called an inverse function. When y=f(x) and x=g(y), a function g is the inverse of a function f. . Applying f and then g is equivalent to doing nothing, in other words. This can be expressed as g(f(x))=x in terms of the relationship between f and g.

Given:

g(x) = 3x² - 5

To find the inverse of the function take g(x) = y

Then, solve for x

y=  3x² - 5

y + 5=  3x²

x² = 1/3( y+5 )

x= √1/3( y+5 )

Hence, the inverse of function is x= √1/3( y+5 ).

Learn more about inverse function here:

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Marla is making 2 liters of cherry lemonade, 5 deciliter dog limeade and 2,500 milliliters strawberry lemonade for a party after the party was over she still a total of 1.3 liters of lemonade left. How many liters of lemonade were consumed during the party?

Answers

→Answer:

3.2 liters of lemonade were consumed during the party.

→Step-by-step explanation:

What we know

_____________________________________

Well there is 2,500 mL of strawberry lemonade

There are  2 liters of cherry

There are 5 deciliters of dog limeade

_____________________________________

So the 5 deciliters of dog limeade doesn't count because it is limeade, not lemonade.

The question is asking for the number of liters so we need to convert the 2,500 milliliters of lemonade to liters.

Which will be 2.5 liters of lemonade.

There are also 2 liters of cherry lemonade so 2.5 + 2 is 4.5.

So if 1.3 liters were left over doing 4.5 - 1.3 we get 3.2, meaning 3.2 liters of lemonade were consumed during the party.

Is Lmn=OPQ? If so, name the congruence postulate that applies.

Answers

Answer:

Answer D

Step-by-step explanation:

Since 3 sides are congruent to 3 other sides, the two triangles are congruent due to the SSS postulate.

Answer: D. Congruent - SSS

SSS stands for "side side side". It means that if you have three pairs of congruent corresponding sides, then the triangles are congruent. It's like saying every corresponding piece of two houses are the same, so the two houses overall must be identical.

If a point is inside ZAVB, then m AVC + ___- MZAVB.

Answers

Answer:

BV

Step-by-step explanation:

i think is the missing gap

Solve for r: C = 2 pi r. (1

Answers

Answer:

C/2pi = r

Step-by-step explanation:

C = 2 pi r

divide with 2 pi on both sides to solve for r

C/2pi = r

Answer the question in the pic...

Answers

Answer:

L''(3,2), M''(0,2), N''(0,-2), O''(3,-2)

Step-by-step explanation:

The points that you start off with are L(-4,6), M(-1,6), N(-1,2), and O(-4,2), and when you reflect the rectangle across the y-axis, you will have (4,6), (1,6), (1,2), and (4,2). Now you can translate your rectangle down four and once to the left, which will give you L''(3,2), M''(0,2), N''(0,-2), O''(3,-2).

What is the volume of the pyramid? A rectangular pyramid with a base of 8 centimeters by 6 centimeters and a height of 5 centimeters. 10 centimeters cubed 80 meters cubed 120 centimeters cubed 240 centimeters cubed

Answers

Answer:

Step-by-step explanation:

8•6= 48•5=240 divided by 3= 80

The volume of the rectangular pyramid is 80 cubic centimeter.

What is volume?

Volume is the measure of the capacity that an object holds.

Formula for the volume of a rectangular pyramid

[tex]v = \frac{lwh}{3}[/tex]

Where,

V is the volume of the  rectangular pyramid

l is the base length

w is the base width

h is the Pyramid height

According to the given question

We have

Base length of the rectangular pyramid = 8cm

Base width of the rectangular pyramid = 6cm

And the height of the rectangular pyramid  = 5cm

Therefore,

The volume of the rectangular pyramid is given by

V = [tex]\frac{(8)(6)(5)}{3}[/tex]

⇒ V = 8 × 2 × 5

⇒ V = 30 cubic centimeter

Hence, the volume of the rectangular pyramid is 80 cubic centimeter.

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If the denominator of 5/7 is increased by a number and the numerator is doubled, the result is 1. Find the number.

Answers

Answer:

3

Step-by-step explanation:

let n be the number, then

[tex]\frac{10}{7+n}[/tex] = 1 ← multiply both sides by 7 + n

10 = 7 + n ( subtract 7 from both sides )

3 = n

Can u plz help me with this question

Answers

Answer:

300 - 5t means that Ann pays $300 - 5 times the number of guests she brings to the gym.

when t = 5, it equals $275

when t = 10, it equals $250

when t = 15, it equals $225

when t = 20, it equals $200

Step-by-step explanation:

the original price P of a shirt less $5 discount​

Answers

Answer:

P - 5

Step-by-step explanation:

hello

original price is P

$5 discount means that the final price is P - 5

hope this helps

Answer:

p-5

Step-by-step explanation:

the mass of the earth is 1/95 of the mass of the planet Saturn. the mass of the earth is 5.97×10^24 kilograms. calculate the mass of the planet Saturn, giving your answer in standard form, correct to 2 significant figures​

Answers

Answer:

5.8 * 10^26 kg

Step-by-step explanation:

If the mass of the earth is 1/95 of that if saturn, this means that the mass of saturn is 95 times that of earth

From the question we were given the mass of the earth as 5.97 * 10^24

The mass of saturn is thus 95 * 5.97 * 10^24 =

576.15 * 10^24

This is 5.8 * 10^26 kg

A bank offers a 1% annual interest rate for a savings account. Aaron puts $3,100
into an account to save for college. How much will be in the account after a year?

Answers

Answer:

$3,131

Step-by-step explanation:

1% of 3,100 is 31.  3,100 + 31 = 3,131.

TiME liMIt HELPPPPPPP:
There are 8 boys and 6 girls in a class. 3 boys
and 3 girls out of the class are going on a picnic.
The others are going on an education tour.

A. In how many different ways can the
picnic team be formed?

B. In how many different ways can the
education tour team be formed?​

Answers

Answer:

Step-by-step explanation

There are 8 boys and 6 girls and you have to choose 3 of each to go on the picnic. You can do this by doing: 8C3 x 6C3. This equal 56 x 20. So the answer to PART A: 1120 WAYS THE PICNIC TEAM CAN BE FORMED, PART B: 1120 WAYS THE EDUCATION TOUR CAN BE FORMED

this is because if you already choose the picnic team, then the rest of the kids just go to the tour, so the answer is the same for both (1120 ways)

Can someone help please 3x-y=13 A. (6,5) B.(3,-4) C. (6,5) and (3,-4) D. neither

Answers

Answer:

C. (6, 5) and (3, -4)

Step-by-step explanation:

Given the equation 3x - y = 13, we need to figure out which points satisfy it. In order for an ordered pair to satisfy an equation, when we plug the x-coordinate in for x and the y-coordinate in for y, the equation should hold true.

Let's try with (6, 5):

3x - y = 13

3 * 6 - 5 =? 13

18 - 5 =? 13

13 = 13

Since this is true, we know that (6, 5) is indeed a solution.

Now let's try with (3, -4):

3x - y = 13

3 * (3) - (-4) =? 13

9 + 4 =?13

13 = 13

Again, since this is true, then (3, -4) must be a solution.

Thus, the answer is C.

~ an aesthetics lover

Answer: c

Step-by-step explanation:

lol

An experiment to determine the most effective way to teach safety principles applied four different teaching methods. Some employees were given programmed instruction booklets and worked through the course at their own pace. Other employees attended lectures. A third group watched a television presentation, and a fourth group was divided into small discussion groups. A high of 10 was possible. A sample of five tests was selected from each group. The test grade results were: At the 0.01 level, what is the critical value?5.291.003.241.96

Answers

The question is incomplete! Complete question along with answer and step by step explanation is provided below.

Question:

An experiment to determine the most effective way to teach safety principles applied four different teaching methods. Some employees were given programmed instruction booklets and worked through the course at their own pace. Other employees attended lectures. A third group watched a television presentation, and a fourth group was divided into small discussion groups. A high of 10 was possible. A sample of five tests was selected from each group. The test grade results were:

Sample Programmed Instructions Lecture TV Group Discussions

1 6 8 7 8

2 7 5 9 5

3 6 8 6 6

4 5 6 8 6

5 6 8 5 5

At the 0.01 level, what is the critical value?

a. 5.29

b. 1.00

c. 3.24

d. 1.96

Answer:

The correct option is (a)

The critical value is 5.29

Step-by-step explanation:

To obtain the critical value, we need to perform a satistical test on the given data.

Since we are given data for four independent teaching methods to determine the most most effective way to teach safety principles, therefore, a one-way analysis of variance (ANOVA) may be used to get the critical value.

ANOVA:

The one-way analysis of variance (ANOVA) may be used to find out whether there is any significant difference between the means of two or more independent categories of data.

ANOVA in Excel:

Step 1:

In the data tab, select data analysis

Step 2:

Select "Anova single factor" from the analysis tools

Step 3:

Select the destination of input data in the "input range"

Step 4:

Select "columns" for the option "Group By"

Step 5:

Tick the option "labels in first row"

Step 6:

Set alpha = 0.01

Step 7:

Select the destination of output data in the "output options"

Output results:

Please refer to the attached results

As you can see in the output results, the critical value is 5.2922

Therefore, the correct option is (a)

Find the value of k for x^2 - 2kx+7k -12=0 so that they have two equal roots

Answers

Step-by-step explanation:

x^2 -2kx +7k -12 = 0

two equal roots -->Δ = b^2 -4ac = 4k^2 - 4(7k-12)=0 = 4(k^2 - 7k +12)=4(k-4)(k-3)=0

so k =3 and k =4

Round to the nearest tenth
10x^2+5x-15=-12+8x^2

Answers

Answer:

x = - 3, x = 0.5

Step-by-step explanation:

Given

10x² + 5x - 15 = - 12 + 8x² ( subtract 8x² from both sides )

2x² + 5x - 15 = - 12 ( add 12 to both sides )

2x² + 5x - 3 = 0 ← in standard form

(x + 3)(2x - 1) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 3 = 0 ⇒ x = - 3

2x - 1 = 0 ⇒ 2x = 1 ⇒ x = 0.5

if a savings account is opened with an initial deposit of $250, and interest is compounded monthly at 6.25% for 50 years, how much will the account be worth at the end of the 50-year period?

Answers

Answer:

$-9125

Step-by-step explanation:

6.25÷100 = 0.0625                                    50×12=600

0.0625×250= $15.625

6.25%=$15.625

15.625×600= $9375

$250-$9375=  -9125

The account be worth at the end of the 50-year period will be 9125 dollar.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

Given that savings account is opened with an initial deposit of $250, and interest is compounded monthly at 6.25% for 50 years.

The rate is 6.25÷100 = 0.0625                                    

Therefore, 50×12=600

0.0625×250= $15.625

Since we know that 6.25%=$15.625

15.625×600= $9375

Thus we get;

$250-$9375 = -9125

Hence, the account be worth at the end of the 50-year period will be 9125 dollar.

Learn more about the unitary method, please visit the link given below;

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Suppose that in use these cars have proved to be either trouble free and reliable (peach) or have many things go wrong (lemon). The buyers are willing to pay $8,000 for a peach and $4,000 for a lemon. Each seller, on the other hand, values his/her car at $6,000 if it is a peach, and $2,000 if it is a lemon. The information about quality of any given car is not symmetric between its owner and potential buyers. The owner of the car knows perfectly well whether it is a peach or a lemon, whereas potential buyers dont. The buyers only know that 60% of the Civics are peaches and the remaining 40% are lemons. Required:a. What will be the market price for a Civic? Which cars will be traded? (For definiteness, suppose that there is a limited stock of used Civics and a larger number of potential buyers.) Assume that the example above takes place in month 0. Every month that passes, all sellers of Civics regardless of type are willing to accept $100 less than they were the month before. 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