Which proportion is correct?4/10=3/61/2=7/81/2=3/64/10=7/8

Answer:

2(x+31)+3x+1=83

2x+62+3x+1=83

5x=83-62-1

5x=20

x=20/5

x=4 3-points made.

4+31=35 3-points made.

Proof:

2*35+3*4+1=83

70+12=1=83

83=83 hope this helps

Answer:

Ava made 4 three point shots and 8 two point shots.

The bacterial count after 48 hours decreases. A correlation coefficient of 0 would indicate no relationship between the two variables.

To find the correlation between the bacterial count after 24 hours and 48 hours, we would need the actual numerical values of the bacterial counts for each strain. Without that information, we cannot calculate the correlation coefficient. However, it is important to note that a positive correlation would indicate that as the bacterial count after 24 hours increases, the bacterial count after 48 hours also increases. A negative correlation would indicate that as the bacterial count after 24 hours increases, the bacterial count after 48 hours decreases. A correlation coefficient of 0 would indicate no relationship between the two variables.

The complete question is-

Five strains of the Staphylococcus aureus bacteria were grown for 24 hours either at 35 degrees Celsius or at 43 degrees Celsius. Here are the resulting bacterial counts for each condition:

24 hr: 66, 71, 93, 102, 62

48hr: 110,123,146,136,113

If we had plotted bacterial count at 35 degrees Celsius on the y-axis instead of the x-axis, the value of the correlation coefficient would be

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Answer:

That it's shaded an 85% only (of 100%)Φ

Answer:

please see photo for detailed analysis

What change has been caused?

Change in x (+4)

Means

Option A

Answer:

translate 4 to the left

Step-by-step explanation:

ED 2022

The line has an equation y = 0.03x + 20, with a slope of $0.03 per GB and the y intercept of $20.

An equation is an expression that shows the relationship between two or more numbers and variables. An equation can either be linear, quadratic, cubic and so on

The slope intercept form of a linear equation is:

y = mx + b

where m is the rate of change and b is the y intercept

Let y represent the total cost of buying x gigabyte of data

The line passes through the point (0, 20) and (2000, 80). Hence:

\(y-y_1=\frac{y_2-y_1}{x_2-x_1} (x-x_1)\\\\substituting:\\\\y-20=\frac{80-20}{2000-0} (x-0)\\\\y = 0.03x + 20\)

The slope is 0.03 and the y intercept of the line is 20.

The second line passes through the point (0, -2) and (-2, -5). Hence:

\(y-y_1=\frac{y_1-y_1}{x_2-x_1} (x-x_1)\\\\substituting:\\\\y-(-2)=\frac{-5-(-2)}{-2-0} (x - 0)\\\\y=1.5x-2\)

The equation of the line is y = 1.5x + 1 and y = 1.5x - 2

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Answer: y = mx + b

Step-by-step explanation:

i think this is what ur asking but “y” is the coordinate of the y-axis with “x” being the coordinate of the x-axis. m is the slope of the graph

Answer:

A  The data is proportional and the unit rate per package is $8   This is because y= 8x

Step-by-step explanation:

/y relationship is no of packages = 1                                                                          x/ = total cost to ship = 8    = 8/1  = 16/2 = 24/3 = 32/4 means they are all proportional to 8/1 = 8    y = 8x  see graph attached  

Answer:

b

B zero product property

Answer:

The Zero property

Step-by-step explanation:

anything multiplied by zero will give you a product of zero

Answer:

y - x = - 5

Step-by-step explanation:

Applying the rule gives

x = \(\frac{1}{3}\) × 36 + 9 = 12 + 9 = 21

y = \(\frac{1}{3}\) × 21 + 9 = 7 + 9 = 16

Thus

y - x = 16 - 21 = - 5

The number is not a perfect square, if it can not be expressed as square of a number.

So an example of number that is not a perfect square is 8.

The ordered pair is the position of a point on the coordinate plane. It represent the x-coordinate and y-coordinate.

An example of an ordered pair is (2,4).

A trinomial is an expression which consist of three non-zero terms.

An example of trinomial is, 2x + 3y +4z.

The range of the function \(f(x) = -2(6)^{x} +3\) discovered using exponential function is ( -∞, 3).

What is an exponential function?

In which:

As for the range, we have:

In this problem, the function is given by: \(f(x) = -2(6)^{x} +3\)

The coefficients are a = -2 0, b = 6, and c = 3, and the range is  (-∞,3).

Therefore, the coefficients are a = -2 0, b = 6, and c = 3, and the range is  (-∞,3).

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The complete question is given below:

What is the range of the function f(x) = –2(6x) + 3? (negative infinity, negative 2 Right-bracket (negative infinity, 3) Left-bracket negative 2, infinity) Left-bracket 3, infinity)

Answer:B

Step-by-step explanation:edge lolololololololloll

Answer:

x = 1

Step-by-step explanation:

HOPE THIS HELPS

PLZZ MARK BRAINLIEST

Answer:

Slope of a line perpendicular to a line  = \(\frac{1}{6}\)

Step-by-step explanation:

(x₁ , y₁ ) = (3 , -5)      & (x₂, y₂) = (1 , 7)

\(slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\)

        \(= \frac{7-[-5]}{1-3}\\\\=\frac{7+5}{1-3}\\\\=\frac{12}{-2}\\\\= - 6\)

Slope of the perpendicular line = \(\frac{-1}{m}\)

                                                    \(= \frac{-1}{-6}\\\\= \frac{1}{6}\)

The expression can be written in the form of 2⁷ + x³ = 155.

In terms of numbers, a number's cube can be demonstrated as a product of 3 equal numbers.

The process of determining whether or not a particular choice is correct is referred to as trial and error (or wrong)

The given number is 155.

Case-1: Assume the power to 2 is one.

2¹ + x³ = 155

so,

x³ = 155 - 2 = 153

We can now solve for x.

It is a cube root rather than a number.

As a result, this is not an option.

Case-2: Assume the power to 2 is 2.

2² + x³ = 155

so,

x³ = 155 - 4  = 151

Again, cube root is not a number.

As a result, this is not possible.

Case-3: Assume the power of two is three.

2³ + x³ = 155

so,

x³ = 155 - 8 = 147

It is a cube root, not a number.

As a result, this is not possible.

Case-4: Assume the power of two is four.

2⁴ + x³ = 155

so,

x³ = 155 - 16 = 139

Again, cube root is not a number.

As a result, this is not possible.

Case-5: Assume the power of 2 is 5.

2⁵ + x³ = 155

so,

x³ = 155 - 32 = 123

Again, cube root is not a number.

As a result, this is not possible.

Case-6: Assume the power of two is six.

2⁶ + x³ = 155

so,

x³ = 155 - 64 = 91

Again, cube root is not a number.

As a result, this is not possible.

Case-7: Assume the power of 2 is 7.

2⁷ + x³ = 155

so,

x³ = 155 - 128 = 27

Its cube root of  three.

This is a combination scenario.

As a result, we can write as:

2⁷ + x³ = 155.

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Answer:

100 square inches

Step-by-step explanation:

20*4=100

The area of the square is 1/4inches² in square inches

The area of a square is calculated by multiplying its two sides, that is area = s × s, where, 's' is one side of the square.

The square has side of length = 6/12

this can be simplified as 1/2

so

area of the square = (1/2 × 1/2) inches ²

area of the square = 1/4inches²

Thus, the area of the square is calculated using area = s × s, as 1/4inches²

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Answer:

243 m³

Step-by-step explanation:

The volume of a rectangular pyramid is given by:

\(V = \frac13lwh\)

Where

l = length = 9m

w = width = 9m

h = height = 9m

so the volume is 1/3*9*9*9 = 243 m³

Answer:

243

Step-by-step explanation:

The formula for the volume of a square-based pyramid is

\(V=\frac{lwh}{3}\)

\(l\) = length

\(w\) = width

\(h\) = height

\(V=\frac{9 \times 9 \times 9}{3}\)

\(V=\frac{729}{3}\)

\(V=243\)

The area is 243 cubic meters.

To find the predicted consumption, we can plug the given values into the regression equation:

C = 193 + 0.65 GDP + 0.08 (% change in stock price)

Given:

GDP = 200

% change in stock price = -20% (or -0.2)

Substituting the values:

C = 193 + 0.65 * 200 + 0.08 * (-0.2)

C = 193 + 130 - 0.016

C = 322.984

Rounding to two decimal places, the predicted consumption, when GDP is 200 and the share market falls by 20%, is approximately 322.98.

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Answer:

See below.

Step-by-step explanation:

H.

f = 3x + 31

c = 12x - 1

3x + 31 + 12x - 1 = 180

15x + 30 = 180

15x = 150

x = 10

same-side interior, supplementary

R.

b = x - 10

g = 4x + 60

x - 10 + 4x + 60 = 180

5x + 50 = 180

5x = 130

x = 26

same-side exterior, supplementary

E.

d = 2x + 13

e = 7x + 5

2x + 13 + 7x + 5 = 180

9x + 18 = 180

9x = 162

x = 18

same-side interior, supplementary

I.

a = 10x - 30

e = 8x + 20

10x - 30 = 8x + 20

2x = 50

x = 25

corresponding, congruent

G.

b = x + 30

h = 5x - 14

5x - 14 = x + 30

4x = 44

x = 11

alternate exterior, congruent

In a dilute solution of cysteine amino acid at pH 7.2, we need to determine the percentage of cysteine molecules that have a protonated side chain. To do this, we need to compare the pH of the solution to the pKa of the cysteine side chain.

The pKa of the cysteine side chain is given as 8.3. The pKa represents the pH at which 50% of the molecules will be protonated and 50% will be deprotonated.

In our case, the pH of the solution is 7.2, which is lower than the pKa of 8.3. This means that the solution is more acidic than the pKa, so we can expect a higher percentage of the cysteine side chains to be protonated.

To calculate the percentage of cysteine molecules with protonated side chains, we can use the Henderson-Hasselbalch equation:

pH = pKa + log([A-]/[HA])

Where [A-] represents the concentration of the deprotonated form and [HA] represents the concentration of the protonated form.

Since we are interested in the percentage, we can assume a total concentration of 100% for simplicity.

Let's substitute the values into the equation:

7.2 = 8.3 + log([A-]/[HA])

Rearranging the equation, we have:

log([A-]/[HA]) = 7.2 - 8.3

log([A-]/[HA]) = -1.1

To find the ratio [A-]/[HA], we need to take the antilog of -1.1, which is approximately 0.079.

Now, we know that [A-] + [HA] = 100%, so we can set up the equation:

0.079 + [HA] = 100%

Solving for [HA], we find:

[HA] = 100% - 0.079 = 99.921%

Therefore, approximately 99.9% of the cysteine molecules in this solution would have a protonated side chain.

Remember to round the percentage to one decimal place, so the final answer is 99.9%.

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Approximately 7.9% of the cysteine molecules in the solution would have a protonated side chain.

The pKa value represents the pH at which half of the molecules of a particular compound are protonated and half are deprotonated. In this case, the pKa of the cysteine side chain is 8.3.

Given that the pH of the solution is 7.2, which is lower than the pKa, we can conclude that the solution is more acidic than the pKa value. In an acidic solution, the majority of cysteine molecules will be protonated.

To determine the percentage of cysteine molecules with a protonated side chain, we can use the Henderson-Hasselbalch equation

\(pH = pKa + log([A-]/[HA])\)

In this case, [A-] represents the concentration of the deprotonated form (negatively charged) of cysteine, and [HA] represents the concentration of the protonated form (neutral) of cysteine.

Since the solution is at pH 7.2, we can substitute the values into the equation:

\(7.2 = 8.3 + log([A-]/[HA])\)

Simplifying the equation:

\(-1.1 = log([A-]/[HA])\)

Taking the antilog:

\([A-]/[HA] = 10^{(-1.1)}\)

\([A-]/[HA] ≈ 0.079\)

Since [A-]/[HA] represents the ratio of deprotonated to protonated cysteine molecules, the percentage of cysteine molecules with a protonated side chain is approximately 0.079 or 7.9%.

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Answer: 150266ml or 150.266 L

Step-by-step explanation: 1000ml=1L convert liters to ml. =14000+875+123000+321+12000+70= answer in mL.

The sum of the given quantities is 150.266L.

To add the given quantities, we need to convert all the measurements to the same unit.

Let's convert all the milliliters (ml) to liters (L) and then add the volumes:

14L + 875ml = 14L + 875ml \(\times\) (1L/1000ml)

= 14L + 0.875L

= 14.875L

123L + 321ml = 123L + 321ml \(\times\) (1L/1000ml)

= 123L + 0.321L = 123.321L

12L + 70ml

= 12L + 70ml \(\times\) (1L/1000ml) = 12L + 0.07L = 12.07L

Now we can add the volumes:

14.875L + 123.321L + 12.07L = 150.266L

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Parallel lines are defined as lines that do not intersect or meet at any point in a plane. They are always parallel and equidistant from one another.

What is answer parallel line?

In geometry, parallel lines can be defined as two lines in the same plane that are at equal distance from each other and never meet. They can be both horizontal and vertical.

Parallel lines are two lines in the same plane that are equal distance apart and never intersect.

Real-world parallel line examples include railroad tracks, sidewalk edges, street markings, zebra crossings, the surface of pineapple and strawberry fruit, staircases and railings, and so on.

Parallel lines are lines in a plane that never meet, no matter how far they are extended. The distance between the parallel lines is constant because they never meet.

Parallel lines are defined as lines that do not intersect or meet at any point in a plane. They are always parallel and equidistant from one another.

these are 8 parallel lines

2x+3y = 6

2x+3y = 4

2x+3y = 1

2x+3y = 2

2x+3y = 3

2x+3y = 8

2x+3y = 7

2x+3y = 5

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Answer:

i think c isthe answér of it may be it is

Answer:

I and IV only

Step-by-step explanation:

I and IV only -- suggest a linear relationship between x and y.

A linear relationship has a line of best fit that can be drawn where most points are associated with the line.

Answer:

Step-by-step explanation:

convert 3 5/6 and 3 3/5 into a improper fraction

x=23/6 and y = 18/5

23/6 ÷ 18/5 multiply both sides by 6 to cancel it out

23 ÷ 108/5 multiply both sides by 5 to cancel it out

answer 115/108

Answer:

1 1/45

Step-by-step explanation:

Answer:

Bet $100 and remove all non-face cards.

Step-by-step explanation:

Each option may be answered on the basis of the ratio of face cards to non-face cards, which we'll say is R.

a. removing all of the black cards  No.  The vale of R does not change.  R is the same for both black and red cards, so removing one color does not change R.

b. removing all non-face cards  Yes.  The only cards left are face cards.  The odds of drawing 2 face cards in a row from this modified deck is 100%

c. removing all kings  No.  Face cards are being removed and will thus lower the probability of picking one.

d. removing all of the red cards  No.  Same reasoning as in (a.).

Answer:

4

Step-by-step explanation:

I think I'm not sure but please let me know if it is helpful

Question

Which algebraic expression has like terms?

\(9n^3 - 2n + 3 - 4n^2\)

\(7n^3 + 3n - 3 - 6n^2\)

\(7n^3 + 4n - 3n^3 - 5n^2\)

\(6n^3 - 4n^4 + 6n - 5n^2\)

Answer:

A. \(9n^3 - 2n + 3 - 4n^2\)

B. \(7n^3 + 3n - 3 - 6n^2\)

Step-by-step explanation:

Given:

The above expressions

Required:

Expressions with like terms

Algebraic expressions are said to have like terms if and only if the have the equivalent exponents;

Like terms are dependent on the exponents and are independent on the sign of each terms.

Listing out the exponents of each options;

A. \(9n^3 - 2n + 3 - 4n^2\)

The exponents of n are 3 1 0 2

Rearrange: 0 1 2 3

B. \(7n^3 + 3n - 3 - 6n^2\)

The exponents of n are 3 1 0 2

Rearrange: 0 1 2 3

C. \(7n^3 + 4n - 3n^3 - 5n^2\)

The exponents of n are 3 1 3 2

Rearrange: 1 2 3 3

D. \(6n^3 - 4n^4 + 6n - 5n^2\)

The exponents of n are 3 4 1 2

Rearrange: 1 2 3 4

From the list of exponents above, only A and B are equal;

Hence, the following expressions have the like terms

A. \(9n^3 - 2n + 3 - 4n^2\) and B. \(7n^3 + 3n - 3 - 6n^2\)