need answers to 13 and 15. please help.

Need Answers To 13 And 15. Please Help.

Answers

Answer 1

Answer:

13) 11

15) 16/61 or 0.262295082


Related Questions

Find the midpoint of the segment with the following endpoints. (7,−9) and (−3,−6)

Answers

Answer:

it should be (2,-7.5) if u use the midpoint formula i think

Step-by-step explanation:

(2,-15/2) would be the answer if u leave it in fraction form

If f(x) = 2x - 4, find f(3)

Answers

Answer:

f(3) = 2

Step-by-step explanation:

f(x) = 2x - 4 when f(3). In other words substitute x with 3 to solve.

f(3) = 2(3) - 4

f(3) = 6 - 4

f(3) = 2

Best of Luck!


Hello I need some help with this problem if you don’t know how do this please move along and don’t get me excited and you leave or answer with something dumb please send me the picture of the work and don’t just use a calculator I need the work...

Answers

Answer:

you have to times it by it's reciprocal I think so

[tex] - \frac{3 }{1} [/tex]

times 2/7then cross multiply so u would get -2/21

you put a 1 under the three to make it a fraction so

-3 2 -6
—- x ——- = ——
1 7 7

What are the solutions to the following system of equations? Select the correct answer below.
y = x2 − 2x + 4
8x + y = 20
a (2, 84) and (−8, 4)
b(−8, 2) and (84, 4)
c(2, 4) and (−8, 84)
d(4, −8) and (84, 2)

Answers

Answer:

8x + x2 - 2x + 4

Step-by-step explanation:

help!!! cgxifxgizgizgz​

Answers

Answer:

Step-by-step explanation:

the answer is ratio

Hope I helped :)

8. The graph below represents the path of a golf ball.
The Path of a Golf Ball


Part A: The above graph is (circle one) linear/nonlinear.
Part B: Is the above graph a function? Explain.
Part C: What is the y-intercept and what does the y-intercept
representa
Part D: What is the solution to this graph and what does it represent in this
situation?

Answers

Answer:

Part A: Non linear

Part B: Yes

Part C: The y-intercept is (0, 0), represent the starting height level of the golf ball

Part C: The solution are the points (0, 0) and (100, 0) which are the points at which the golf ball touches the ground

Step-by-step explanation:

Part A: The shape of the path of the increase in the height of the the golf ball as it moves in increasing horizontal distance from the starting point is hat of a parabola

Part B: The graph is a function because each value of the independent variable, distance (ft.) maps to exactly one value of the dependent variable, elevation (ft.)

Part C: The y-intercept represents the starting or initial value of the function, where x = 0. It represents the height from which the golf ball motion path starts

Part D: The solution represents the values of the x-intercept at which the elevation is the y = 0.

PLEASE HELP I WILL VOTE BRAINLIEST In 1996, there were 171 area codes in the United States. In 2020, there are 345 area codes. Find the rate of change from 1996 to 2020.

Answers

Answer:

rate of change=101.75%

Step-by-step explanation:

New-Old/Oldx100

345-171/171 x 100

174/171 x 100

1.01754 x 100

101.75

ok welcome back so i have another fun question the first person who answer will be marked as a brainlist so my question is 2×2= hurry be quick ​

Answers

Answer:

4 :)

Step-by-step explanation:

2 x 2 = 4 simple if u know ur multiples

have a great day :)

Is (-4,5) a solution to this system of inequalities

Answers

I think the answer would be “no”

1. Which is an example of a linear equation
correctly written in standard form?
a. -4x + 5y = 22
b. 3x + 1/2y = 10
c. 7x - 9y = 14
d. 3/4x + 6y = -25

Answers

Answer:
C

Explanation:

3 times the difference of number cubed and 10

Answers

Answer:

[tex]3(x^3-10)[/tex]

The same garden shop sells mulch according to the equation y = 20x, where y represents the cost in dollars, and x represents the number of cubic yards of mulch. Which statement is true of the cost of topsoil and mulch?

Answers

Answer:

20 = cost per mulch of cubic yards sold

Step-by-step explanation:

Given:

y = 20x

Where,

y = the total cost in dollars

x = the number of cubic yards of mulch

20 = cost per mulch of cubic yards sold

The only untrue statement is that the cost of topsoil and mulch is 20

Answer:

20

Step-by-step explanation:

idk how to Evaluate 10^4.

Answers

Answer:

10000

Step-by-step explanation:

Do 10x10x10x10 in a calculator

Answer: 10^4= 10,000

Step-by-step explanation:

10^4= 10*10*10*10= 10,000

Find the average rate of change for the given function from x = −1 to x = 4.

Answers

Answer:

uhhhh

Step-by-step explanation:

It should be 5 if it’s not 5 I’m sorry

PLEASE HELP ASAP TIMED
y=3x−8 linear equation is given. Find x- and y-intercepts. Write ordered pairs representing the points where the line crosses the axes. Find x and y intercept.

Answers

Answer:

X-AXIS- (8/3, 0) Y-AXIS- (0, -8)

Step-by-step explanation:

5) What is the solution of 4x – 30 ≥ -3x + 12?

Answers

Answer:

X is equal to or greater than 6

Step-by-step explanation:

Answer:

x≥6

if you want me to explain let me know

Four points on an ellipse are (9, -2), (-5, -9), (1, 0), and (11, -5). Use matrices to represent the system of equations using the general form and all four points, in the order given. The first point corresponds with the first row, etc. (Note: The A value is 1, so set the equations up to solve for C, D, E, and F.)

Answers

9514 1404 393

Answer:

  please open the second attachment

Step-by-step explanation:

The matrix representation of the equations for the coefficients is attached.

Can any kind soul help me please​

Answers

Answer:

a) (i) 30m

(ii) 12.5 m/s

(iii) t= 10

Step-by-step explanation:

Please see the attached pictures for the full solution.

Answer:

i) 30m ii) 12.50/s iii) 10.00s

Step-by-step explanation:

(20 POINTS) What is true of the great lakes?
a. serve ad a natural border between the united states and mexico

b. cause the climate around them to be warm and dry

c. combine to make the largest body of freshwater in the world

d. make is easy to transport goods to the west coast

Answers

Answer: C

Explanation: The Great Lakes are the largest freshwater source in North America. Michigan borders most of them. The answer is C.

Jackson spends 2 1/4 hours painting 2 1/2 pictures. He spends the same amount of time painting each picture

Answers

0.9 hours or 9/10...

What is a denominator.

Answers

Answer:
The number on the bottom of a fraction

Answer:

part of a fraction

Step-by-step explanation:

helpp ill mark u as brainlist ​

Answers

Answer:

Inverse proportion

Step-by-step explanation:

Inverse proportion, as x increases, y decreases

slope = -2,through (3,-5)

Answers

Answer:

y=-2x+1

Step-by-step explanation:

y=-2x+b

-5=-6+b

b=1

y=-2x+1

Answer:

The other pair of points are (4, 3) I think...

9. Determine the slope of the line graphed below. 10 6 2 -10 -8 2 8 10 10​

Answers

Answer:

y=mx+b. 6,-16,2,8,10,10

Step-by-step explanation:

hope this helped

Find the measure of angle AEF in the figure below enter only the number

Answers

Answer:

60

Step-by-step explanation:

The middle is a straight angle, which is 180 degrees, and FEB is 120 degrees. 180 - 120 is 60

The measure of the angle AEF will be equal to 60°.

What is coordinate geometry?

A coordinate plane is a 2D plane which is formed by the intersection of two perpendicular lines known as the x-axis and y-axis. A coordinate system in geometry is a method for determining the positions of the points by using one or more numbers or coordinates.

The supplementary angles are the angles having the sum of the angles as 180 degrees.

The middle is a straight angle, which is 180 degrees, and FEB is 120 degrees.

The measure of the angle AEF is,

AEF = 180 - 120

AEF = 60°

Therefore, the measure of the angle AEF will be equal to 60°.

To know more about coordinate geometry follow

https://brainly.com/question/18269861

#SPJ5

x+(x+4)=28 ?

What does x equal?

Answers

Answer:

x=12

Good Luck!!!

The correct answer is x=12

-x-y=11
convert from standard form to slope intercept form​

Answers

Answer:

y = - x - 11

Step-by-step explanation:

-x-y=11

+x       +x

-y=11+x

/-     /-

y=-11-x

rearrange

y = - x - 11

Answer:

y =-x-11

Step-by-step explanation:

Slope intercept form : y=mx+b

[tex]-x-y=11\\\\-y =x +11[/tex]

Multiply by -1(reverse the inequality)

[tex]-1(-y=x+11)\\\\y =-x-11[/tex]

what is the slope of the line that passes through the points (-7,-7) and (-7.1)

Answers

Answer:

Undefined

Step-by-step explanation:

Use rise over run (y2 - y1) / (x2 - x1)

Plug in the two points:

(y2 - y1) / (x2 - x1)

(1 + 7) / (-7 + 7)

8/0

= undefined

So, the slope is undefined, since you cannot divide by zero.

The slope of the lines that passes through the points  (-7,-7) and (-7.1) is an infinite slope.

Slope equation:

The slope formula is described as follows:

m = y₂ - y₁ / x₂ - x₁

Therefore,

x₁ = -7

x₂ = -7

y₁ = -7

y₂ = 1

m = 1 - (-7) / -7 - (-7)

m = 1 + 7 / -7 + 7

m = 8 / 0

m = infinity

The slope is an infinite slope. Therefore, it is a vertical line.

learn more on slopes here: https://brainly.com/question/12003147?referrer=searchResults

what is 0.98989898 with bar notation

Answers

Answer:

the answer would be .735

Step-by-step explanation:

Answer:

[tex]\frac{98}{99}[/tex]

Step-by-step explanation:

We require to create 2 equations with the repeating value (0.989898... )

placed after the decimal point.

let x = 0.989898.... → (1) ( multiply both sides by 100 )

100x = 98.9898..... → (2)

Subtract (1) from (2) thus eliminating the repeating decimal

99x = 98 ( divide both sides by 99 )

x = [tex]\frac{98}{99}[/tex]

Thus

0.989898... = [tex]\frac{98}{99}[/tex] as an exact fraction

Convert 3.5 • 10^4 to standard form. (3 points)

Answers

Answer:

35,000

Step-by-step explanation:

3.5 x 10^4, (10,000 x 3.5)

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