help please i cant do this and i need help

Answer:

The percent of increase in the shoreline was 38%.

Step-by-step explanation:

Given that the shoreline increased from 10 miles to 13.8 miles because of the spring runoff, to determine the percentage by which the shoreline increased, the following calculation must be performed:

10 = 100

13.8 = X

((13.8 x 100) / 10) = X

(1,380 / 10) = X

138 = X

Thus, since 138 - 100 is equal to 38, the percentage by which the shoreline increased was 38%.

Answer:

4 and 7

Step-by-step explanation:

4 for 16

7 for 49

Answer:

(19.6,-12)

Step-by-step explanation:

Answer:

x=

98

5

and y=−12

Step-by-step explanation:

this is what i got

Answer:

k= 13

Step-by-step explanation:

Answer: Use operations combined terms and solve by insulating the

Equation

Step-by-step explanation:

Answer:

The answer should be $5,000

Step-by-step explanation:

Answer:522

522x18=  so 522x8=4176    522x1=522 add those up and get 4176+522=4698

Step-by-step explanation:

Answer:

After finding like terms and solving, we get [tex]\mathbf{3x^2+3x+16}[/tex]

Step-by-step explanation:

We need to find like terms and simplify the expression [tex]4- 2x + x^2 + 5x + 12 + 2x^2[/tex]

Like terms: The terms who have same variable and exponent are called like terms.

So, Combining like terms and solving:

[tex]4- 2x + x^2 + 5x + 12 + 2x^2\\=4+12-2x+5x+x^2+2x^2\\Now \ solving:\\=16+3x+3x^2\\Rearranging \ the \ terms:\\=3x^2+3x+16[/tex]

So, after finding like terms and solving, we get [tex]\mathbf{3x^2+3x+16}[/tex]

Note: In the question given we have - and + sign with the term 5x i.e 4- 2x + x^2 -+ 5x + 12 + 2x^2

I have solved using +5x, but if the term is -5x then the solution will be:

[tex]4- 2x + x^2 - 5x + 12 + 2x^2\\=4+12-2x-5x+x^2+2x^2\\Now \ solving:\\=16-7x+3x^2\\Rearranging \ the \ terms:\\=3x^2-7x+16[/tex]

So, the answer will be: [tex]\mathbf{3x^2-7x+16}[/tex]

Answer: C. 1 1/3

Step-by-step explanation:

Slope is calculated by the change in y/the change in x.

Plug values from the table into the equation:

(19-15)/(4-1)

Evaluate and Simplify:

4/3 -> 1 1/3

false

                                                                                                                                                   vdvfvfddfvgggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg

Answer:

48 sq

Step-by-step explanation:

Answer:

The ball will reach a maximum height of 39.993 meters after 1.428 seconds.

Step-by-step explanation:

Let suppose that no non-conservative forces acts on the ball during its motion, then we can determine the maximum height reached by the Principle of Energy Conservation, which states that:

[tex]K_{1}+U_{g,1} = K_{2}+U_{g,2}[/tex] (1)

Where:

[tex]K_{1}[/tex], [tex]K_{2}[/tex] - Initial and final translational kinetic energies, measured in joules.

[tex]U_{g,1}[/tex], [tex]U_{g,2}[/tex] - Initial and final gravitational potential energies, measured in joules.

By definition of translational kinetic energy and gravitational potential energy we expand and simplify the expression above:

[tex]\frac{1}{2}\cdot m\cdot v_{2}^{2}+m\cdot g\cdot y_{2}= \frac{1}{2}\cdot m\cdot v_{1}^{2}+m\cdot g\cdot y_{1}[/tex] (2)

Where:

[tex]m[/tex] - Mass of the ball, measured in kilograms.

[tex]g[/tex] - Gravitational acceleration, measured in meters per square second.

[tex]v_{1}[/tex], [tex]v_{2}[/tex] - Initial and final speed of the ball, measured in meters per second.

[tex]y_{1}[/tex], [tex]y_{2}[/tex] - Initial and final heights of the ball, measured in meters.

The final height of the ball is determined by the following formula:

[tex]v_{2}^{2}+2\cdot g\cdot y_{2} = v_{1}^{2}+2\cdot g\cdot y_{1}[/tex]

[tex]v_{1}^{2}-v_{2}^{2}+2\cdot g \cdot y_{1}=2\cdot g\cdot y_{2}[/tex]

[tex]y_{2} = y_{1}+\frac{v_{1}^{2}-v_{2}^{2}}{2\cdot g}[/tex] (3)

If we know that [tex]y_{1} = 30\,m[/tex], [tex]v_{1} = 14\,\frac{m}{s}[/tex], [tex]v_{2} = 0\,\frac{m}{s}[/tex] and [tex]g = 9.807\,\frac{m}{s^{2}}[/tex], the maximum height that the ball will reach is:

[tex]y_{2} = 30\,m + \frac{\left(14\,\frac{m}{s} \right)^{2}-\left(0\,\frac{m}{s} \right)^{2}}{2\cdot \left(9.807\,\frac{m}{s^{2}} \right)}[/tex]

[tex]y_{2} = 39.993\,m[/tex]

The ball will reach a maximum height of 39.993 meters.

Given the absence of non-conservative forces, the ball exhibits a free fall. The time needed for the ball to reach its maximum height is computed from the following kinematic formula:

[tex]t = \frac{v_{2}-v_{1}}{-g}[/tex] (4)

If we know that [tex]v_{1} = 14\,\frac{m}{s}[/tex], [tex]v_{2} = 0\,\frac{m}{s}[/tex] and [tex]g = 9.807\,\frac{m}{s^{2}}[/tex], then:

[tex]t = \frac{0\,\frac{m}{s}-14\,\frac{m}{s} }{-9.807\,\frac{m}{s^{2}} }[/tex]

[tex]t = 1.428\,s[/tex]

The ball will take 1.428 seconds to reach its maximum height.

Answer:

B

Step-by-step explanation:

Answer:

I would think the set answer

The two graphs are represented below.

Answer and Step-by-step explanation: One graph can "transform" into another through changes in the function.

There are 3 ways to change a function:

Now, the points for f(x) are:

(-5,0)  (0,6)  (5,-4)  (8,0)

And the points for g(x) are:

(-5,-3)  (0,-9)   (5,1)   (8,-3)

Comparing points:

(-5,0) → (-5,-3)

(0,6) → (0,-9)

(5,-4) → (5,1)

(8,0) → (8,-3)

It can be noted that x-coordinate is kept the same; only y-coordinate is changing so we have a vertical change. Observing the points:

(-5,0-3) → (-5,-3)

(0,6-15) → (0,-9)

(5,-4+5) → (5,1)

(8,0-3) → (8,-3)

Then, the vertical change is a Vertical Shift.

Another observation is that y-coordinate of f(x) is the opposite of g(x). for example: At the second point, y-coordinate of f(x) is 6, while of g(x) is -9. So, this transformation is also a Reflection.

Range of a function is all the values y can assume after substituting the x-values.

Domain of a function is all the values x can assume.

Reflection doesn't change range nor domain of a function. However, vertical or horizontal translations do.

Any vertical translation will change the range of a function and keep domain intact.

Then, for f(x) and g(x):

graph            translation            domain      range

f(x)                       none                 [-5,8]          [-4,6]

g(x)                vertical shift           [-5,8]          [-9,1]

In conclusion, this transformation (or translation) will affect the range of g(x)

Answer:

the answer is 120 because 1500/ 2% or 0.02 = 30 and multiply by 4 equals 120

Step-by-step explanation:

hope this helps :l

Answer:

Step-by-step explanation:

reverse solve it.

10*8=80

80/5=16

Answer:

Step-by-step explanation:

5x/8 = 10

multiply both sides by 8

5x = 80

divide both sides by 5

x = 16

Answer:

7 is the answer

Step-by-step explanation:

2x7=14

Answer:

7

Step-by-step explanation:

14/2 is 7. Every packet is 2 plants. So in order to find the amount of packets, you just needed to divide the amount of seeds per packet from the total she wanted

Answer:

15/49

Step-by-step explanation:

3*10=30

14*7=98

30/98

15/49

The solution is: A) f(x) = -3x + 7 is the same function as -3x + 7 = y.

Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable.

here, we have,

given that,

the function is:  -3x + 7 = y

now, we have to find the same function as -3x + 7 = y.

now, let, the function is represented by f(x)

so, we have,

y = f(x)

so, we get,

f(x) = y = -3x + 7

we get,

f(x) = -3x + 7

so, f(x) = -3x + 7  is the same function as -3x + 7 = y.

Hence, A) f(x) = -3x + 7 is the same function as -3x + 7 = y.

To learn more on function click:

brainly.com/question/21145944

#SPJ3

Answer:

-5

Step-by-step explanation:

Plot both lines and then take the y-value from the point where they intersect.

HTH :)

Answer:

75%

Step-by-step explanation:

Answer: 49:77

Step-by-step explanation:

Answer:

100

Step-by-step explanation:

250 divided by 2  =125 multiplied by .20 to get 25 then minus 25 from 125 to get 125

Answer:

The answer is x=-7/2

Step-by-step explanation:

hope this helps

6x + 9 = -12

6x+9-9=-12-9

6x=-21

To find the x divide both side by 6.

6x/6=-21/6

x= -7/2

the answer to this question is = (- 7/2)

Answer:

73.015873015873%

Step-by-step explanation:

Convert fraction (ratio) 46 / 63 Answer: 73.015873015873%

Answer:

73.015873015873%

Step-by-step explanation:

i like your profile pic

Answer:

False

Step-by-step explanation:

Answer:

Distributive property is one of them

Step-by-step explanation: