Skill Change the following so the subject is z.
x + t = b
1) y = kx + m
h
2) y = - + m
3) y = tx + mn
4) n = r(x+t)
5)
6) h(x + n) = a
7)b(x-d) = q
8) tx-n =a
4m
if anyone can do this then tysm but need to show working out aa

By performing a change of units, we will see that the distance from Los Angeles to Honolulu is 2,238 mi, so the correct option is D.

We know that the distance from Los Angeles to Honolulu is 1,946 nautical miles long.

And we know the relation:

1 nautical mile ≈ 1.15 miles

So we just ant to perform a change of units, to do so we can write:

1,946 nautical miles long = 1,946*(1.15 miles) = 2,238 mi

So the distance from Los Angeles to Honolulu is 2,238 miles.

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The number of minutes it takes for the earth to travel one full rotation around the sun is 529, 960

A proportion can simply be described as an equation in which varying elements, or given numbers are set equal to each other.

It is seen as  a mathematical method of comparing two elements or numbers.

It is also defined as a relation that entails comparison on the basis of size or magnitude of numbers, quantities or elements.

From the information given, we have that;

The earth travels for 365. 25 days round the sun.

If 24 × 60 minutes = 1 day

Then x minutes = 365. 25 days

cross multiply, we have;

x = 24 × 60 × 365. 25

Multiply the values

x = 529, 960 minutes

Hence, the value is 529, 960 minutes

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Answer: 11/3

Step-by-step explanation:

1. Distribute the 8: 16x + 24x + 16 = 4x + 148

2. Combine like terms: 40x + 16 = 4x + 148

3. Get the x by itself: 36x = 132

4. Divide by 36: x = 11/3

At (9, 0), the graph of the equation y = - 2/3 x + 6 intersect the x - axis.

How to create linear equation using two variables?
If an equation is written in the form ax + by + c=0, where a, b, and c are real integers and the coefficients of x and y, i.e., a and b, respectively, are not equal to zero, then it is said to be a linear equation in two variables. Such an equation has a pair of numbers as its solution, one for x and one for y, which further equalizes the two sides of the equation. A specific point on the graph represents the solution of a linear equation in two variables, ax + by = c, where the total of these two values will equal c when the x-coordinate is multiplied by a and the y-coordinate by b. Basically, there are infinitely many solutions to a linear equation with two variables.
The linear equations can be solved using substitution method.

Given, the equation of the graph is : y = (-2/3) x + 6 -(i)
Also, the equation of x-axis is: y = 0 -(ii)
Substituting (ii) in (i), we get,
0 = (-2/3)x + 6 ⇒ (-2/3)x = -6 ⇒ (2/3)x = 6 ⇒ x = 9
Thus, the point where the graph of the equation y = - 2/3 x + 6 intersect the x - axis is (9, 0).

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On selling 38 boxes daily without giving extra box will profit him one box daily

Profit: A profit occurs when you sell something. for more than it cost.  A business profit occurs when a business. makes more money than it spends.

Every purchase of 30 boxes gets 1 extra Free box. Rizky Sejahtera Bersama shop sells to its regular Warung Rp 38.000,-/box (without giving extra)

On selling 38 boxes daily without giving extra box will profit him one box daily

for two days if we add 38+38=76 boxes which profit him 2 boxes

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Answer:

+11y³ +y² -5x²

Step-by-step explanation:

-3y³-5y²+7x³+y²-5x²+7y³+5y²

= +11y³ +y² -5x²

The second letter is B, the eighth letter is H and the third letter is C

When we start to count from left to right starting from letter A,

               1st letter is  A

                2nd letter is B

                3rd  letter is C

                4th letter is  D

                5th letter is  E

                6th letter is F

                7th  letter is G

                8th  letter is H

                9th letter is  I

               10th letter is J

               11th  letter is K

               12th letter is L

               13th letter is M

               14th letter is N

               15th letter is  O

               16th letter is  P

               17th letter is Q

               18th  letter is R

               19th  letter is S

               20th letter is  T

               21st  letter is U

Thus,

         Second letter is  B

         Eighth letter is    H

         Third letter is      C

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[tex] a \times - b - c \\ =(5) \times - ( - 9) - ( - 32) \\ = 5 \times 9 + 32 \\ = 45 + 32 \\ = 77[/tex]

ATTACHED IS THE SOLUTION

Answer:

-77

Step-by-step explanation:

we replace a=5, b=-9, c=-32

5 * -9 - 32

-45 - 32

- 77

Answer: 1.5923926292577

Step-by-step explanation: Count, N: 14

Sum, Σx: 49

Mean, μ: 3.5

Variance, σ2:  2.5357142857143

Steps

σ2 =  

Σ(xi - μ)2

N

=  

(1 - 3.5)2 + ... + (6 - 3.5)2

14

=  

35.5

14

=  2.5357142857143

σ =  √2.5357142857143

=  1.5923926292577

Answer:

R ≈ 3.97 %

Step-by-step explanation:

Using the uniform distribution:

a) The height of the density function which is f(x) is [tex]\frac{1}{12}[/tex]

We know that for a uniform distribution we have two bounds, namely a and b. The probability or likelihood of finding a value of at lower than x is given by the following formula:

P (X < [tex]x[/tex]) = [tex]\frac{x-a}{b-a}[/tex]

Now where we have been mentioned that the two bounds are as follows:

a = - 5 (lower bound)

b = 7 (upper bound)

a) To find the height (h) of the density function we use the below given formula:

h = [tex]\frac{1}{b-a}[/tex]

Putting here the values of a and b we get the height as,

∴ h = [tex]\frac{1}{7-(-5)}[/tex]

⇒ h = [tex]\frac{1}{7+5}[/tex]

⇒ h = [tex]\frac{1}{12}[/tex]

Hence, the height of the density function f(x) is [tex]\frac{1}{12}[/tex]

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Answer:

-2

Step-by-step explanation:

5-7 where be -2 because 7 is More powerful than 5 so 7 push 5 all the way back to -2

Charlie paid $13.2 for the shorts after discount

The regular price of pair of shorts = $24

Discount during the sale on shorts = 45%

Discounts are price reductions that store owners make on items or services that are otherwise priced as marked. This portion of the rebate is typically provided to boost sales or get rid of excess inventory. The price of an item as stated by the manufacturer or seller, without any price reduction, is known as the List price or Marked Price.

Amount of discount = 45% of 24

= 45/100*24

= 10.8

Amount of shorts after discount = Regular price of shorts - Discount on shorts

= 24 - 10.8

Amount after discount = $13.2

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As shown in the reference graph attached hereby with the question statement, if the linear model represents the height, f(x), of a water balloon thrown off the roof of a building over time "x" measured in seconds, then,

(A) During (2 ≤ x ≤ 5) seconds in the time domain, the water balloon's height remains the same.

(B) During (0 ≤ x ≤ 2) seconds, the height of the water balloon is increasing.

(C) During (5 ≤ x ≤ 6) seconds, the height of the water balloon decreases the fastest.

(D) From Part (C), it can be justified that 5 ≤ x ≤ 9.5 is the interval where the balloon's height is decreasing, and, (5 ≤ x ≤ 6) is the interval where the slope is the steepest.

As per the question statement and the reference graph attached alongside, the linear model represents the height, f(x), of a water balloon thrown off the roof of a building over time "x" measured in seconds.

We  are required to determine the correct time domains for four different situations, by observing the plotted graph.

Part (A) is to determine the correct time domain where the water balloon's height remains the same.

From the graph, it is clear that, the height remains constant at (y = 70), parallel to the x-axis from the 2nd second to the 5th second. Hence, During (2 ≤ x ≤ 5) seconds in the time domain, the water balloon's height remains the same.

Part (B) is to determine the correct time domain where the height of the water balloon is increasing.

From the graph, it is clear that, the slope of the concerned graph rises only from [(y = 40) to (y = 70)], starring from the 0th second until the 2nd second. Hence, During (0 ≤ x ≤ 2) seconds in the time domain, , the height of the water balloon is increasing.

Part (C) is to determine the correct time domain where the height of the water balloon decreases the fastest.

From the graph, it is clear that, the graph decreases thrice, first from [(y = 70) to (y = 40)], starting at the 5th second uptil the 6th second, then from [(y = 40) to (y = 10)], starting at the 6th second uptil the 9th second and lastly, from [(y = 10) to (y = 0)], starting at the 9th second till the 9.5th second. Here, we can easily calculate that, the balloon dropped 30ft in 1 sec at the first instance, 30ft in 3 seconds at the second instance and, 10ft in 0.5 seconds.

Since, [(30/1) > (10/0.5) > (30/3)],

Or, [30 > 20 > 10],

Thus, During (5 ≤ x ≤ 6) seconds, the height of the water balloon decreases the fastest.

Part (D) is to determine the correct statement mentioned under it's options, with judgement based on Part (C).

Option (i) states that [(5 ≤ x ≤ 9.5) is the interval where the balloon's height is decreasing] which is true, as we can observe from the graph that the slope is decreasing during the time interval of 5 to 9.5th seconds, although at different rates at different intervals.

Option (ii) states that [(8 ≤ x ≤ 9.5) is the interval where the slope is the steepest] which means that, during this above said interval, the height of the balloon drops the fastest which is false, as we have already proved in part (C) that during (5 ≤ x ≤ 6) seconds, the height of the water balloon decreases the fastest.

Option (iii) states that, [(6 ≤ x ≤ 8) is the interval where the balloon's height decreases the most] which is false, as balloons height falls the farthest by 30fts in two separate intervals, between (5 ≤ x ≤ 6) seconds and (6 ≤ x ≤ 9) seconds.

Finally, Option (iv) states that [(5 ≤ x ≤ 6) is the interval where the slope is the steepest] which means that, during this above said interval, the height of the balloon drops the fastest which is true, as we have already proved in part (C) that during (5 ≤ x ≤ 6) seconds, the height of the water balloon decreases the maximum in the shortest time period.

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Answer:

x = 7

Step-by-step explanation:

(10x - 2) and (9x + 5) are corresponding angles and are congruent , then

10x - 2 = 9x + 5 ( subtract 9x from both sides )

x - 2 = 5 ( add 2 to both sides )

x = 7

Paloma's median practice time would be = 26.5

Median is defined as the middle of a set of data which will be selected after the data has been grouped in an ascending or descending order.

The list to track the number of minutes Paloma spent practicing piano in ascending order include the following:

18, 23, 24, 24, 25, |25, 28,| 28, 30, 32, 32, 35

The middle figures are 25 and 28 which should be added and divided into two.

That is;

25 + 28 = 53/2

= 26.5

Therefore, the median practice time for Paloma = 26.5

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Answer:

u = -40

Step-by-step explanation:

20 = -u/2

multiply both sides by 2:

2(20) = 2(-u/2)

-u = 40

divide both sides by -1:

-u/-1 = 40/-1

u = -40

The statement correctly describes the relationship between the graph of f(x) and g(x)=f(x−7) is the graph of f(x) translated 7 units right.

The graph is a mathematical representation of a network and it describes the relationship between lines and points. A graph consists of some points and lines between them.

According to the question we have

g(x)=f(x−7).

Given that f(x) then f(x + a) represents a horizontal translation of f(x).

If a > 0 then shift units left

If a < 0 then shift units right

Therefore, f(x - 7) represents a shift right of 7 units.

Hence, The statement correctly describes the relationship between the graph of f(x) and g(x)=f(x−7) is the graph of f(x) translated 7 units right.

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The ratio of the blue fish in the small tank to red fish in the large tank is 10 to 69.

Ratio is the relationship between two quantities.

Let x : y = ratio of the blue fish in the small tank to red fish in the large tank

Hence, there are x blue fish in the small tank for every y red fish in the large tank.

If in each tank, the ratio of red fish to blue fish is 3 to 4, then in each tank, in terms of x and y, the ratio is:

small tank :

red : blue = 3 : 4 = (3/4)x : x

large tank :

red : blue = 3 : 4 = y : (4/3)y

If the ratio of fish in the large tank to fish in the small tank is 46 to 5, then

(y + (4/3)y) : ((3/4)x + x) = 46 : 5

Simplifying the proportion,

(y + (4/3)y) : ((3/4)x + x) = 46 : 5

(7/3)y : (7/4)x = 46 : 5

(161/2)x = (35/3)y

x/y = (35/3) / (161/2)

x/y = x : y = 10 : 69

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Part A:

Add all the values:

Convert the oz into pounds:

1oz = 16 pounds

Divide each value by 16:

55 oz = 55/16 = 0.3125 pounds

11 oz = 11/16= 0.6875 pounds

14 oz = 14/16 = 0.875 pounds

1 pound = 1 lb

3 3/4lb= 3.75 lb

2 1/4 = 2.25 lb

2lb

Now add:

Total weight = 3.75 + 0.3125+ 2.25+0.6875+0.875 = 7.875 lb

The equation of the line that passes through (0, -3) and parallel to a line with slope 2 is y = 2x - 3

From the question, we are to determine the equation of the line.

From the given information, the line passes through (0, -3) and is parallel to a line with slope 2.

NOTE: If two line are parallel, then their slopes are equal

Thus,

The slope of the line is 2

Using the point-slope form of the equation of a line,

y - y₁ = m(x - x₁)

Where m is the slope

Then,

y - -3 = 2(x - 0)

y + 3 = 2x

y = 2x - 3

Therefore,

The equation is y = 2x - 3

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The percent recovery of benzoic acid is equal to 80.0 if the mass of purified benzoic acid after recrystallization is 1.611 g.

The percent recovery can be described as the amount of a product available after its production and purification.

The percent recovery of benzoic acid can be calculated by using the following formula:

percent recovery of sample = (Mass of purified sample ÷ Mass of contaminated sample) × 100

Substituting the given values of contaminated and purified benzoic acid in this equation;

percent recovery = (1.611 ÷ 2.014) × 100

percent recovery = 0.7999 × 100

percent recovery = 79.99

Rounding it to the nearest tenth;

percent recovery = 80.0

Hence the percent recovery of benzoic acid is calculated to be 80.0

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Option D is correct.

Extraneous information means irrelevant or unrelated to the problem or issue.

In this question, Samuel's Age is not a matter of concern and totally unrelated to the money he earns by mowing the lawn and cleaning the room

The change received by Dawn will be equivalent to A = 14 + (d - b).

Estimation of a price is a reasonable guess of the actual value to make calculations easier and realistic.

Given is Dawn who bought a magazine for $6 and a book for [b] dollars. She paid for the items with a $20 bill and [d] dollars bills.

The total cost of magazines and books purchased by Dawn [C]= $6 + $b

The total money paid for these items [S] = $20 + d

Amount of change received by Dawn will be [A] = S - C

A = 20 + d - (6 + b)

A = 20 + d - 6 - b

A = 14 + (d - b)

Therefore, the change received by Dawn will be equivalent to A = 14 + (d - b).

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The length of the minor axis of the ellipse described by the equation in the task content is; 6.

It follows from the task content that the length of the minor axis of the ellipse is to be determined.

Since the equation given in the task content is;

x² + 4y² = 36.

By dividing both sides by 36; we have;

(x²/36) + (y²/9) = 1

By expressing the denominators as squares; we have;

x²/6² + y²/3² = 1

By comparison of the equation above with the standard equation of an ellipse; x²/a² + y²/b² = 1 where; a = major axis and b = minor axis.

a = 6 and b = 3.

Ultimately, the length of the minor axis is given by; 2b = 2 × 3 = 6.

The length of the minor axis is therefore; 6.

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Answer: 90 degree

Step-by-step explanation: the diameter of a circle compounds to an inscribed angle of  90 degree

Answer:

Product: 2091

Estimate: 2100

Step-by-step explanation:

Estimate 697 as 700

700 x 3 = 2100

Find Product

697 x 3 = 2091