The price of parking for 2 hours or less at the airport is increasing from 2.50 to $5.00. What is the percent that the price will increase?

Answer:

x=52 m1= 40 m2= 140

Step-by-step explanation:

x-12+x+88=180 since they are linear pair

2x+76=180 collect like terms

2x=180-76

2×÷2=104÷2

×=52

give me a heart and good rate please<3

Answer:

The most efficient method is completing the square because the equation can be written in the form \(x^2 - d\)

x ~ 2.24

x ~ -2.24

Step-by-step explanation:

Solve the equation using any method that is efficient. The most efficient method is completing the square, because the equation can be written in the form \(x^2 - d\). Use this method to solve the problem, since the equation is already in the format, \(x^2 - d\), all one has to use is inverse operations to solve the equation.

\(-5x^2 = -25\\/-5\\\\x^2 = 5\\\sqrt{}\\\\x = +- \sqrt{5}\)

x ~ 2.24

x ~ -2.24

\(\huge\text{Hey there!}\)

\(\mathsf{f(x) = 5x + 6}\\\mathsf{f(x) = 5(-7) + 6}\\\mathsf{f(x) = -35 + 6}\\\mathsf{f(x) = -29}\\\\\\\huge\text{Therefore your answer should be:}\\\huge\boxed{\mathsf{f(x) = -29}}\huge\checkmark\)

\(\huge\text{Good luck on your assignment \& enjoy your day!}\)

Answer:

AC

Step-by-step explanation:

What is a diameter?

It is a line going straight through the center of the circle to the opposite side

So it is AC

Answer:

No, it is an irrational number.

Step-by-step explanation:

I hope this helped! **please mark me brainliest :)

Answer:

Using only dilation

Step-by-step explanation:

This is because dilation is to make bigger or smaller.

Answer:

c

Step-by-step explanation:

dilation is when you shrink the square, but maintain similarity between the four side lengths. Theoretically, you can shrink square EFGH to the size of ABCD

Answer:

Hey buddy, here is your answer. Hope it helps you.

Step-by-step explanation:

80/100*72=57.6

As it’s 80% we need to divide 80/100 and they said of 72 so we have to then multiply with 72

The numerator for the given rational expression is 3 + 5k.

In the given rational expression, (3 + 5k) represents the numerator. The numerator is the part of the fraction that is located above the division line or the horizontal bar.

In this case, the expression 3 + 5k is the numerator because it is the sum of 3 and 5k. The term 3 is a constant, and 5k represents the product of 5 and k, which is a variable.

The numerator consists of the terms 3 and 5k, which are combined using addition (+). Therefore, the numerator can be written as 3 + 5k.

To clarify, the numerator is the value that contributes to the overall value of the fraction. In this case, it is the sum of 3 and 5k.

Hence, the correct answer for the numerator of the given rational expression (3 + 5k) / (74/k^2) is 3 + 5k.

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Answer:

(B) No

Step-by-step explanation:

If I remember correctly a solution is a point that is on the shaded area or on a solid line, the point 3,-3 is not on the shaded region and not on a solid line. Even if it was on the line in this problem it wouldn't be a solution because it is a dotted line. Hope this helps!

To analyze the variables Birth Rate and Death Rate at the same time the scatter plot would be appropriate to use.

A scatter chart, also called as a scatter plot, is a graph that displays the correlation between two variables. They are a very effective type of chart because they enable viewers to see relationships or trends that would be nearly impossible to see in any other form right away.

Modern scatter charts are based on René Descartes' 17th-century cartesian coordinates system, albeit their exact origins are unknown. The majority of scatter plots used in science journals and publications may be found there.

One of the most adaptable and practical inventions in the history of statistical graphs is the scatter chart. This can seem like a bold statement, but scatter charts help make sense of muddled data. They are a tool for discovery as well as visualisation, which is a much bigger role for them.

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Answer:

f(-2) = 14

g(5) = -8

Step-by-step explanation:

f(x) = 2x² – 3x

f(-2) = 2(-2)² – 3(-2)

f(-2) = 2(4) + 6

f(-2) = 8 + 6

f(-2) = 14

g(x) = -2x + 2

g(5) = -2(5) + 2

g(5) = -10 + 2

g(5) = -8

Answer:

The answer is 1.5

3/2=1.5

The fourth person gains 25% in the price of the bracelet.

After deducting the gains experienced by the first three individuals, we must determine the overall percentage rise in the price of the golden bracelet.

Assume that the bracelet originally cost $100 for 100 units.

The price after the first person is 100 + 15% of 100 = 100 + 15 = 115 units since the first person makes a 15% profit.

The price after the second person is 115 + 20% of 115 = 115 + 23 = 138 units since the second person makes a 20% profit on the new price.

The price after the third person is 138 + 25% of 138 = 138 + 34.5 = 172.5 units since the third person makes a 25% profit on the new price.

The percentage increase between the original price and the final price (172.5 units) must now be calculated.

Percentage increase = (Final price - Original price) / Original price * 100

= (172.5 - 100) / 100 * 100

= 72.5%

The overall percentage increase in the price of the bracelet is 72.5%.

Since the bracelet's price increased by 85% overall, we can calculate the fourth person's percentage gain as follows:

Percentage gain by the fourth person = Total increase - Sum of gains by the first three persons

= 85% - (15% + 20% + 25%)

= 85% - 60%

= 25%

Therefore, the fourth person gains 25% in the price of the bracelet.

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The equivalent expression for the new price of the item is 0.57b. With b be the original price of the item.

The original price of the item is represented by "b". Paul received a coupon for "43 percent" off one item at a clothing store. This means that the new price of the item will be the "original price" minus the discount. The discount is calculated by multiplying the original price by the percentage discount.
So, the discount is:
43 percent of b = 0.43 * b

The new price of the item is the original price minus the discount:
b - 0.43 * b = b - 0.43b

This expression can be simplified by combining the like terms. The like terms in this expression are b and -0.43b.
To combine like terms, we add the coefficients of the like terms:
1b + (-0.43)b = 0.57b

So, the equivalent expression for the new price of the item is:
0.57b

This means that the new price of the item is 57% of the original price. Therefore, the equivalent expression for the new price of the item is 0.57b.

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Answer:

(D) \(x>-10\)

Step-by-step explanation:

If we have the inequality \(-7x + 4 > -8x - 6\), we can simplify it down and get \(x\) isolated on one side of the equation.

Add 6 to both sides:

\(-7x + 4 + 6 > -8x - 6 + 6\\\\-7x + 10 > -8x\)

Add \(8x\) to both sides of the inequality:

\(-7x + 10 + 8x > -8x+8x\\\\x + 10 > 0\)

Subtract 10 from both sides of the inequality:

\(x + 10 - 10 > 0 - 10\\\\x > -10\)

So (D) \(x>-10\) is the correct simplification.

Hope this helped!

answer:

x=16

Step-by-step explanation:

Answer:

41 mph

Step-by-step explanation:

122 = 3r

r = 40 2/3 mph

Answer:

YOU MIGHT FALL OFF

Step-by-step explanation:

 that's the answer

-kenma #3

The area values of the circles given in the attachment are :

Area of a circle =

\( {\pi} {r}^{2} \)

Where, r = Radius

\( \frac{\pi {d}^{2} }{4} \)

d = diameter

\(\pi = 3.14\)

1.)

r = 3cm

Area = 3.14 × 3² = 28.26 cm²

2.)

r = 4 in

Area = 3.14 × 4² = 50.24 in²

3.)

r = 10 m

Area = 3.14 × 10² = 314 m²

4.)

r = 2cm

Area = 3.14 × 2² = 12.56 cm²

5.)

r = 9 ft

Area = 3.14 × 9² = 254.34 ft²

6.)

r = 1.2 km

Area = 3.14 × 1.2² = 4.52 km²

7.)

r = 50 in

Area = 3.14 × 50² = 7850 in²

8.)

r = 11 m

Area = 3.14 × 11² = 379.94 m²

9.)

r = 2.5 cm

Area = 3.14 × 2.5² = 19.63 cm²

10.)

d = 16 ft

Area = (3.14 × 16²) ÷ 4 = 200. 96ft²

11.)

d = 40 m

Area = (3.14 × 40²) ÷ 4 = 1256 m²

12.)

d = 10 cm

Area = (3.14 × 10²) ÷ 4 = 78.5 cm²

13.)

d = 3 m

Area = (3.14 × 3²) ÷ 4 = 7.07 m²

14.)

d = 12 in

Area = (3.14 × 12²) ÷ 4 = 113.04 in²

15.)

d = 16 ft

Area = (3.14 × 16²) ÷ 4 = 200. 96ft²

16.)

d = 7cm

Area = (3.14 × 7²) ÷ 4 = 38.47 cm²

17.)

d = 0.6 km

Area = (3.14 × 0.6²) ÷ 4 = 0.28 km²

18.)

d = 2 cm

Area = (3.14 × 2²) ÷ 4 = 3.14 cm²

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Answer:

A $78.50

Step-by-step explanation:

Pennies $2.50

nickels $6.00

dimes $30.00

quarters $40.00

One-half of the dogs in each shelter are between the weights represented by the first and third quartiles, which are approximately 20-55 pounds for the first shelter and 25-65 pounds for the second shelter, respectively.

A box plot is a visual representation of a set of data that shows the median, quartiles, and outliers of the data. The box represents the middle 50% of the data, with the bottom and top edges of the box representing the first and third quartiles, respectively. The line inside the box represents the median, or the middle value of the data set. The "whiskers" extend from the edges of the box to the minimum and maximum values of the data set, but outliers beyond the whiskers are represented as individual points.

Now, let's look at the two box plots showing the weights of dogs in two different animal shelters. One-half of the dogs in each shelter are between the first and third quartiles, which are represented by the edges of the box in each plot.

If we take the first box plot, we can see that the first quartile is approximately 20 pounds and the third quartile is approximately 55 pounds. Therefore, one-half of the dogs in this shelter weigh between 20 and 55 pounds.

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Answer:

no mode

Step-by-step explanation:

there is no mode in this data set

this is because there is no number that repeats itself making no number have more quantities than another number

Answer:

14=7(2x-4)

0r, 14/7 = 2x-4

or, 2= 2x-4

0r,2x= 6

or x=3

14=7(2x-4)

14=14x -28

14x=42

x=42/14=3

Method 1

Divide both sides by 7 first to get

14 = 7(2x-4)

14/7 = 7(2x-4)/7

2 = 2x-4

Then add 4 to both sides

2+4 = 2x-4+4

6 = 2x

2x = 6

Finally, divide both sides by 2

2x/2 = 6/2

x = 3

which is the final answer

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

Method 2

Distribute the 7 through to each term in the parenthesis

14 = 7(2x-4)

14 = 7*2x + 7*(-4)

14 = 14x - 28

Then we follow similar steps as done earlier. Add 28 to both sides

14+28 = 14x-28+28

42 = 14x

14x = 42

Then divide both sides by 14 to fully isolate x

14x/14 = 42/14

x = 3

Either way we get the same result. As to which method you pick (if you could only choose one), its up to you based on whichever you find easier.

The basic idea with either method is that we follow PEMDAS in reverse to undo everything happening to x. This way we fully isolate it.

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

Checking the answer:

Plug x = 3 into the original equation. Simplify to get

14 = 7(2x-4)

14 = 7(2*3-4)

14 = 7(6-4)

14 = 7*2

14 = 14

This confirms the answer. As you can see, if we know the value of x, we use PEMDAS to simplify both sides. But if we don't know x, and want to find it, then we follow PEMDAS in reverse.

(a) To test the difference in mean weight at birth between urban and rural women, a two-sample t-test can be used. The significance level of 5% implies that we are willing to accept a 5% chance of incorrectly rejecting the null hypothesis.

The t-test compares the means of the two samples, considering their respective sample sizes and standard deviations. By calculating the test statistic and comparing it to the critical value from the t-distribution with appropriate degrees of freedom, we can determine whether the observed difference is statistically significant.

(b) To test whether the observed mean weight at birth of children from sample urban mothers is greater than the predicted weight of 3.5000 kg, a one-sample t-test can be conducted. The null hypothesis (H₀) assumes that the mean weight is equal to or less than 3.5000 kg, while the alternative hypothesis (H₁) suggests that the mean weight is greater.

Similar to the previous test, the t-test calculates the test statistic using the sample mean, standard deviation, and sample size. By comparing the test statistic to the critical value from the t-distribution with appropriate degrees of freedom, we can determine whether the observed mean weight is significantly greater than the predicted weight.

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Answer:

-340

Step-by-step explanation:

Hey there!

1 + 2 - 5 * 67 - 8

= 3 - 5 * 67 - 8

= 3 - 335 - 8

= -332 - 8

= -340

Therefore, your answer is: -340

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

Answer:

2x-3y-6=0

Step-by-step explanation:

move the constant to the left hand side and change its sign (-2x+3y+6=0)

change the signs on both sides of the equation (2x-3y-6=0)

hope this helps, have great day! :)

The average change in the volume of water per day is obtained as 0.625  litres.

The rate change of volume is the change of volume with respect to time.

For instantaneous change the derivative of the expression of volume can be taken.

The average change in the volume of water can be obtained as follows,

Average change = Volume of water ÷ Number of days

                            = 2.5 ÷ 4 = 0.625

Hence, the average change in water volume is given as  0.625 liters per day.

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As we move from the top layer (crust) to the bottom layer (lower mantle), the density of the Earth generally increases.

We have,

The table provided shows the density values for different layers of the Earth, specifically the crust, upper mantle, and lower mantle.

From the given data, we can observe that the density increases as we move from the top layer (crust) to the bottom layer (lower mantle).

The crust has the lowest density, ranging from 2.2 to 2.9 g/cm³.

As we move downwards to the upper mantle, the density increases to a range of 3.4 to 4.4 g/cm³.

Finally, in the lower mantle, the density further increases to a range of 4.4 to 5.6 g/cm³.

This pattern suggests that the materials present in the lower layers of the Earth are denser than those in the upper layers.

This aligns with the understanding that the Earth's interior becomes progressively denser towards the core, as different materials with varying densities and compositions are found at different depths.

The variation in density is attributed to the different compositions of rocks and minerals present in each layer.

The denser materials in the lower layers likely consist of heavier elements and compounds, contributing to the overall increase in density.

Therefore,

Based on the information in the table, we can conclude that there is a general trend of increasing density as we move deeper into the Earth's layers, from the crust to the upper mantle and then to the lower mantle.

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The complete question:

                           Density

Layer                top    bottom

crust                 2.2      2.9

upper mantle   3.4      4.4

lower mantle   4.4       5.6

You have learned that different types of rocks are found in Earth’s layers. Their composition affects their densities. What can you conclude based on the information in the table?

Answer:

3.5 un

Step-by-step explanation:

to find the new length of the square using a scale factor of 1/7 you can just multiply 24.5 by 1/7

this is basically dividing 24.5 by 7

24.5 / 7 = 3.5

that is your answer

Answer:

7.5 minutes

Step-by-step explanation:

90 seconds is equivalent to 1.5 minutes

1.5×5=7.5