7/15 as a fraction?????? Help

He lost 8, so he is at -8, he then gains 15 so add 15 to -8"-8 + 15 = 7

He gains 7 so now add 7 to the total: 7+ 7 = 14

He then loses 4, so now subtract 4 from the total: 14 - 4 = 10

Answer: He gained 10 yards.

Leah and Philip have same unit rate.

What is Division method?

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications.

For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

Given that;

The table is shown for the number of pages and number of nights.

Now,

The unit rate to read the number of pages for Leah;

⇒ 45 / 3 = 15

The unit rate to read the number of pages for Rose;

⇒ 48 / 4 = 12

The unit rate to read the number of pages for Hannah;

⇒ 30 / 3 = 10

The unit rate to read the number of pages for Philip;

⇒ 150 / 10 = 15

Thus, Leah and Philip have same unit rate.

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Answer:

Step-by-step explanation:

13.2-a=2.9subtract 2.9 from both sides and add a to both sides

a=10.3

Answer:

10 tickets in total                                                                                                                                                                                                                                                                                                                                                                  

Step-by-step explanation:

Fun world:

7.65 = 1

8.30 = 2

8.95 = 3

9.60 = 4

10.25 = 5

Game time:

9.25 = 1

9.50 = 2

9.75 = 3

10.00 = 4

10.25 = 5

I really hope this helped you! And i'm sure you won't go to summer school!

Answer:

There are 182.88 cm in 6 feet, given that 1 inch = 2.54 cm.

Step-by-step explanation:

Given that 1 inch = 2.54 cm, how many centimeters are there in 6 feet?

12 inches = 1 foot

We have 6 feet, so:

6 feet x 12 inches = 72 inches

If 1 inch is 2.54 cm, multiply by the number of inches by 2.54 to get the number of cm.

2.54 x 72 = 182.88

There are 182.88 cm in 6 feet, given that 1 inch = 2.54 cm.

The probability that a student is a girl with blonde hair is 0.32 (rounded to the nearest hundredth).

To calculate the probability, we need to determine the number of girls with blonde hair and divide it by the total number of students. Let's assume the table is as follows:

Hair Color | Boys | Girls

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

Black      | 30   | 40

Blonde     | 20   | 25

Red        | 15   | 20

From the table, we can see that there are 25 girls with blonde hair. To find the total number of students, we sum up the counts of boys and girls for each hair color. In this case, the total number of students is 30 + 40 + 20 + 25 + 15 + 20 = 150.

Now, we divide the number of girls with blonde hair (25) by the total number of students (150): 25 / 150 = 0.1667.

Rounded to the nearest hundredth, the probability that a student is a girl with blonde hair is 0.17.

Based on the given data, the probability that a student is a girl with blonde hair is approximately 0.17. This means that out of all the students, around 17% are girls with blonde hair.

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a and c are directly proportional to each other when a and b are directly proportional and b and c are directly proportional.

If a and b are directly proportional and b and c are directly proportional, it means that their ratios are equal. Direct proportionality implies that as one variable increases, the other also increases in proportion and as one variable decreases, the other also decreases in proportion.

Mathematically, this can be written as

a = kb and b = mc, where k and m are constants of proportionality.

Multiplying these two equations gives: a = kbm

Substituting the value of b from the second equation in the first equation, we get: a = kmc

Therefore, a and c are also directly proportional to each other with a constant of proportionality km.

Thus, if a increases by a certain factor, c will also increase by the same factor.

If a and b are directly proportional and b and c are directly proportional, then it can be concluded that a and c are directly proportional as well.

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Willard should interpret the 95% prediction interval for percent potassium when nitrogen is 18 ppm as a range of values within which the true value of percent potassium is likely to fall with a 95% probability.

Specifically, the prediction interval (0.87%, 1.02%) suggests that if Willard were to measure the percent potassium in a large number of soil samples with a nitrogen level of 18 ppm and calculate the prediction interval for each sample, then 95% of the prediction intervals would contain the true value of percent potassium.

The lower and upper limits of the prediction interval correspond to the lower and upper bounds of the plausible range for percent potassium, given the observed nitrogen level. In this case, the interval (0.87%, 1.02%) indicates that Willard can be 95% confident that the true value of percent potassium for a soil sample with nitrogen level 18 ppm falls between 0.87% and 1.02%. However, it is important to note that the prediction interval is based on statistical assumptions and may not capture all sources of uncertainty or variability in the data. Therefore, it is important to interpret the prediction interval with caution and in the context of the specific statistical model and assumptions used to derive it.

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So, the correct option is: Vertical intercept = -15 and Horizontal intercept = 2.

The vertical intercept of a function is the value of the function when the input is zero. In other words, it is the point where the function intersects the y-axis. To find the vertical intercept of this function, we need to find the value of f(0) from the table.

Similarly, the horizontal intercept of a function is the point where the function intersects the x-axis. In other words, it is the value of the input for which the output of the function is zero. To find the horizontal intercept of this function, we need to find the value of x for which f(x) = 0 from the table.

In this case, we see from the table that f(0) = -15, which means that the function intersects the y-axis at -15. And we also see that f(2) = 0, which means that the function intersects the x-axis at 2. Therefore, the vertical intercept of the function is -15, and the horizontal intercept of the function is 2.

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The measure of angle 3 from the diagram is 115 degrees

The given figure is a line geometry. An angle is defined as the point where two lines meet.

Given that the measure of <5 is 115 degrees, the measure of <3 is calculated as shown below:

m<3 = m<5 = 115 degrees

This angles are equal since they are alternate exterior angles.

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Answer:

D. 4900 paces

Step-by-step explanation:

3.5km = 3500m

   50m = 70 paces

3500m = 70 paces × 70

            = 4900 paces

Answer:

55 =x

Step-by-step explanation:

x+15=2x-40

Subtract x from each side

x-x+15=2x-x-40

15 = x-40

Add 40 to each side

15+40 = x-40+40

55 =x

Answer:

x = 55

Step-by-step explanation:

x+15=2x-40

take away x from both sides and add 40 on both sides to get the like terms on each side

55 = x

The numbers that represent A, B and C in the table for the cubic functions are: A = -12, B = -9 and C = 8

In mathematics, a cubic function is defined as a function of the form f(x) = ax³ + bx² + cx + d.

Where the coefficients a, b, c, and d are real numbers, and the variable x takes real values, and a ≠ 0. This means that, it is both a polynomial function of degree three, and a real function.

We are given the expression:

y = 3x³ + x² - 7x - 6

When x = -2, we have:

y = 3(-2)³ + (-2)² - 7(-2) - 6

y = -24 + 4 + 14 - 6

y = -12

When x = 1, we have:

y = 3(1)³ + (1)² - 7(1) - 6

y = 3 + 1 - 13

y = -9

When x = 2, we have:

y = 3(2)³ + (2)² - 7(2) - 6

y = 24 + 4 - 14 - 6

y = 8

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Answer:

96

Step-by-step explanation:

24/ (1 - 3/4)

24 / (1/4)

24  x 4 = 96

There are 18 deluxe rooms in the hotel.

To find the number of deluxe rooms in the hotel, we need to calculate the percentage of rooms that are deluxe.

The percentage of single-bed rooms is 55%, and the percentage of double-bedrooms is 30%. Therefore, the percentage of deluxe rooms can be calculated as:

Percentage of deluxe rooms = 100% - (Percentage of single-bed rooms + Percentage of double-bedrooms)

= 100% - (55% + 30%)

= 100% - 85%

= 15%

So, 15% of the total rooms in the hotel are deluxe rooms.

To determine the number of deluxe rooms, we can multiply the total number of rooms by the percentage of deluxe rooms:

Number of deluxe rooms = 15% of 120 rooms

= (15/100) * 120

= 0.15 * 120

= 18

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The constant proportionality is - 3.

Constant proportionality can be defined as the constant value of the ratio between two proportional quantities. The value of the constant of the proportionality is dependent on the type of proportion between two given quantities.

According to the question,

Devon and her cousins get together every Sunday. Devon is in charge of making fresh-squeezed orange juice this week.

A proportional relationship is being taken place between the number of oranges Devon squeezes and the amount of juice (in ounces) she makes.

By using the division method, we get

                  6 ÷ 2 = 3

                  9 ÷ 3 = 3

                  12 ÷ 4 = 3

                   18 ÷ 6=3

So, the constant proportionality is - 3.

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Answer:60????

Step-by-step explanation:

Answer:

it will take about 1/3 of the time (10 minutes)

Step-by-step explanation:

Answer:

Step-by-step explanation:

t/30+t/30+t/60=1

2t/60+2t/60+t/60=1

5t/60=1

5t=60

t=12 minutes

We have proved that f o g is uniformly continuous on R, as desired.

F(g(x)) or (f g)(x) denotes the combination of the functions f(x) and g(x), where g(x) acts first. It brings together two or more functions to produce a new function.

To prove that the composite function f o g is uniformly continuous on R, we need to show that for any ε > 0, there exists a δ > 0 such that for any x, y ∈ R,

| x - y | < δ implies | (f o g)(x) - (f o g)(y) | < ε

We can start by using the uniform continuity of g to choose a δ1 > 0 such that for any x, y ∈ R,

| x - y | < δ1 implies | g(x) - g(y) | < ε

Now, we can use the uniform continuity of f with ε replaced by δ₁ to choose a δ₂ > 0 such that for any u, v ∈ R,

| u - v | < δ₂ implies | f(u) - f(v) | < δ₁

Finally, we can choose δ = δ₂ to show that for any x, y ∈ R,

| x - y | < δ implies | (f o g)(x) - (f o g)(y) | < ε

To see why this is true, let's assume that | x - y | < δ. Then, by the definition of the composite function,

(f o g)(x) - (f o g)(y) = f(g(x)) - f(g(y))

Now, since | g(x) - g(y) | < δ₁, we know that | f(g(x)) - f(g(y)) | < ε, by the choice of δ₁. And since | x - y | < δ₂ implies | g(x) - g(y) | < δ₁, we have shown that

| x - y | < δ₂ implies | (f o g)(x) - (f o g)(y) | < ε

Therefore, we have proved that f o g is uniformly continuous on R, as desired.

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Answer:

KL = 10

Step-by-step explanation:

Given:

 \(JL=26\)

 \(KL=3x+7\)

 \(JK=8x+8\)

From inspection of the given diagram:

\(JK+KL=JL\)

Substitute the given values into the found equation and solve for x:

\(\implies 8x+8+3x+7=26\)

\(\implies 11x+15=26\)

\(\implies 11x+15-15=26-15\)

\(\implies 11x=11\)

\(\implies \dfrac{11x}{11}=\dfrac{11}{11}\)

\(\implies x=1\)

Substitute the found value of x into the expression for KL:

\(\implies KL=3(1)+7\)

\(\implies KL=3+7\)

\(\implies KL=10\)

Formula we use,

→ JK + KL = JL

Now the value of x will be,

→ (8x + 8) + (3x + 7) = 26

→ 11x + 15 = 26

→ 11x = 26 - 15

→ x = 11/11

→ [ x = 1 ]

Then the value of KL will be,

→ 3x + 7

→ (3 × 1) + 7

→ 3 + 7 = 10

Hence, the value of KL is 10.

Answer:

The selling price of the bag is $22.5

Step-by-step explanation:

Buying Price = $25,

Selling Price = ?

Since they sold it at a loss of 10%,

So, they sold it for a price 10% less than the buying price,

or at 90% or 0.9 of the buying price,

so,

Selling Price = (0.9)(25) = $22.5

Answer: Choice A) z = -3

====================================

Work Shown:

-2z + 3 + 7z= -12

5z+3 = -12

5z = -12-3 .... subtract 3 from both sides

5z = -15

z = -15/5 .... divide both sides by 5

z = -3

Answer:

A. z = -3

Step-by-step explanation:

B, C, and D have the wrong variable in the answer

-2z + 3 + 7z = -12

5z + 3 = -12

5z = -15

z = -3

Answer:

T = 0.34r³

Step-by-step explanation:

Given that T is directly proportional to r³ then the equation relating them is

T = kr³ ← k is the constant of variation

To find k use the condition T = 21.76 when r = 4 , then

21.76 = k × 4³ = 64k ( divide both sides by 64 )

0.34 = k

T= 0.34r³ ← equation of variation

Answer:

1. Animals.

2. Plants.

3. Fungi

4. Protists.

5. Monerans.

6. Kingdom.

7. Botany.

8. Reproductive parts.

9. Vegetative parts.  

10. Epidermis.

Step-by-step explanation:

1. Insects, birds: Animals. All insects and birds are living organisms generally referred to as animals.

2. Moss, trees: Plants. Moss and trees are living organisms generally referred to as plants.

3. Yeast, molds: Fungi. They belong to a kingdom of multi-cellular eukaryotic organisms which can't make or produce their own food (heterotrophs).

4. Protozoa, red algae: Protists. They belong to a kingdom of single-celled (unicellular) eukaryotic microscopic organisms.

5. Bacteria, blue-green algae: Monerans. They belong to a kingdom of single-celled (unicellular) prokaryotic organisms without a nuclear cell membrane.

6. Five main groups of all living things: Kingdom. These are namely Kingdom Animalia, Kingdom Fungi, Kingdom Plantae, Kingdom Monera and Kingdom Protista

7. The study of plants: Botany.

8. Flowers, fruits, and seeds: Reproductive parts.

9. Roots, stems, and leaves: Vegetative parts.

10. Provides plant cover on leaves and roots: Epidermis.

The mathematical relationship between force and work is that Work = Force x Distance.

The mathematical relationship between force and work is that Work is equal to the Force multiplied by the Distance. In other words, the work done by a force is equal to the force multiplied by the distance over which the force is applied. This can be expressed as the equation W = F x D, where W is the work, F is the force and D is the distance. This equation means that the amount of work done is proportional to the force applied and the distance over which it is applied. Thus, if the force is doubled, the work done will also double, and if the distance is doubled, the work done will also double. This equation can also be used to calculate the force required to do a certain amount of work. For example, if it is known that a certain amount of work must be done, then the equation can be rearranged to calculate the force needed to do that work.

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Answer:

try using photomath, it might help you with the graph

Answer:

the one on the bottom

Step-by-step explanation:

Answer:

130 miles

Step-by-step explanation:

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

the scale drawing is usually reduced at a constant dimension

scale of the drawing = original dimensions / dimensions of the scale drawing

Actual distance = 31/4 x 40

convert 31/4 to an improper fraction

to convert to improper fraction, take the following steps :  

1. Multiply the whole number  by the denominator

2. Add the numerator to the answer gotten in the previous step

3. divide the number gotten in the previous step by the denominator  

13/4 x 40 = 130 miles

Answer:

do it yourself what do you do while teacher is teaching

Answer:

0.8

Step-by-step explanation:

just use guess and check. Divide each of the constants by the width of one point. When you  find a constant that matches, try that out with all the other widths, if it works with the other widths, then you found the right constant!

Answer:

D - 20, 40, 60, 80, 100 are all multiples of 20

Step-by-step explanation:

Factors of 10 - 10, 5, 2, 1

Multiples of 10 - D and 10, 30, 50, 70, 90

Factors of 20 - 20, 10, 5, 4, 2, 1

:)