25 POINTS IF YOU ANSWER THIS AND PLEASE TELL ME WHAT K IS!!

25 POINTS IF YOU ANSWER THIS AND PLEASE TELL ME WHAT K IS!!

Answers

Answer 1

9514 1404 393

Answer:

  k = 2

Step-by-step explanation:

Find a coordinate of a point and its image. k is the ratio of those.

Here, it is easy to use the y-coordinate of J and J'.

  Jy = -1

  J'y = -2

k = J'y/Jy = -2/-1 = 2

The scale factor k is 2.


Related Questions

f(x) = 9x2 - 4

Find the zeros of the function

Answers

Answer:

I believe that the answer is 14.

Step-by-step explanation:

hope it helped

Pls help ASAP fast ...

Answers

i donk know                       Step-by-step explanation:

Answer:

Here is your answer

Step-by-step explanation:

ABC is the image of ABC under a translation

Answers

The translation is (x-8,y+5). To get from A to A’ you go left (x-axis) 8 times and up (y-axis) 5 times.

5x+6y+4, 3x+7z+6, and t+6h+2s+5​

Answers

Answer:

1st x=66y

2nd x=35z

3rd 6h+2s+t+5

Step-by-step explanation:

MArk BRAINLIEST FOR 4 MATH ALGEBRA CALCULATORS

The product of a binomial and a trinomial is x3+3x2-x+2x2+6x-2 Which expression is equivalent to this
product after it has been fully simplified?

Answers

The answer is the first one.
Explanation:
X^3 stays the same because there are no other cubed numbers in the problem
Next you combine the x^2s
The x^2s are +3x^2 and +2x^2
Since they are both positive, you add them: 3x^2 + 2x^2 = 5x^2
Next you do the x values
-x and +6x, also known as 6x - x = 5x
Lastly, you just add in the -2 and get:
X^3 + 5x^2 + 5x - 2

"The difference between the circumference and diameter of a wheel is 18cm. Find the radius of the wheel. Use 3.14 for Pi. Round to the nearest tenth."

Answers

Answer:

[tex]4.2\ \text{cm}[/tex]

Step-by-step explanation:

d = Diameter of wheel

The difference between the circumference and diameter of a wheel is 18 cm.

[tex]2\pi r-d=18\\\Rightarrow \pi d-d=18\\\Rightarrow d(\pi-1)=18\\\Rightarrow d=\dfrac{18}{\pi -1}\\\Rightarrow d=\dfrac{18}{3.14-1}\\\Rightarrow d=8.41\ \text{cm}[/tex]

The diameter of the wheel is 8.41 cm so the radius will be [tex]\dfrac{8.41}{2}=4.205\approx 4.2\ \text{cm}[/tex].

A cylinder has a volume of 36 cubic inches. What is the volume of a cone if it has the same radius and height as the cylinder?

Answers

Answer:

12 cubic inches

Step-by-step explanation:

volume of a cylinder= pi*r2*height

but we are given 36 as cylinder volume.

Therefore , 36 = pi*r2* height

r2*height = 36/pi, let call this equation 1

volume of a cone = pi*r2*height/3;

but from equation 1, r2*height =36/pi, substituting this value in volume of cone.

volume of cone= pi*(36/pi)/3 = 12 cubic inches

2/17=X/9


what does x equal??

Answers

Answer:    Multiply to remove the fraction, then set equal to  

0

and solve.

Exact Form:

X  =  18 /17

Decimal Form:

X  =  1.05882352 …

Mixed Number Form:

X  =  1 1 /17

2

17

=

X

9

what does  

x

equal??

Multiply both sides of the equation by  

9

.

2

17

9

=

X

9

9

Simplify.

Tap for more steps...

18 /17  =  X

Rewrite the equation as  

X  =  18 /17 .

X  =  18 /17

The result can be shown in multiple forms.

Exact Form:

X  =  18 /17

Decimal Form:

X  =  1.05882352 …

Mixed Number Form:

X  =  1   1 /17

Step-by-step explanation:

2/17=X/9

what does x equal??

please help if you can <3

Answers

Answer:

1) x = 71

2) x = 117

5)

m<1: 35

m<2: 77

m<3: 52

m<4: 77

m<5: 65

m<6: 25

Step-by-step explanation:

1)

x + 41 + 68 = 180

x + 109 = 180

x = 71

2)

x + 47 + 16 = 180

x + 63 = 180

x = 117

3)

<2 + 103 = 180

<2 = 77

<1 + 68 + 77 = 180

<1 + 145 = 180

<1 = 35

<4 + 103 = 180

<4 = 77

<5 + 41 + 77 = 180

<5 + 115 = 180

<5 = 65

<6 + 65 = 90

<6 = 25

<3 + 103 + 25 = 180

<3 + 128 = 180

<3 = 52

Please tell me the answer to 8 to the tenth power times 6 to the 4 power? I really need to know

Answers

Answer:

1391569403904

Step-by-step explanation:

Answer:

1.3915694e+12

Step-by-step explanation:

Can someone Help? thank you! :)

Answers

Answer:

$3

Step-by-step explanation:

Since he’s leaving a 20% tip, we need 20% of 15.

To solve, multiply 20/100 (20%) by 15:

20/100*15 = 300/100 = 3

He will leave a $3 tip.

Answer:

$3

Step-by-step explanation:

To solve this problem, first, one must convert the percent of the tip to decimal form. This can be done by dividing the percent by 100. Then one will multiply this value by the total bill.

20% * 15

= 0.2 * 15

= 3

PLS HELP: SEVENTH GRADE MATH

Answers

Answer:x=15

Step-by-step explanation:3x15=45

45+45=90

x=15
45 divided by 3 equals 15

Charley has 1 ⅞ pounds of trail mix. If each bag can hold 1/12-pound of mix, how many full bags can be made?

Answers

Answer:

9

Step-by-step explanation:

Answer:

22

Step-by-step explanation:

1 7/8 = 15/8

15/8 ÷ 1/12 = 15/8 × 12/1 = 45/2 or 22 1/2

Segment MP is a diameter of circle O.


Circle O is shown. Line segment M P is a diameter. Line segment N O is a radius. Angle N O P is 150 degrees.


Which equation can be used to find mArc M N?

mArc M N – 150 = 360

Answers

Answer:

[tex]arc\ MN + 150 = 180[/tex]

Step-by-step explanation:

Given

[tex]\angle NOP = 150^\circ[/tex]

See attachment for circle O

Required

Find [tex]arc\ MN[/tex]

The sum of angles in a semi-circle is 180 degrees.

So:

[tex]arc\ MN + \angle NOP = 180[/tex]

This gives:

[tex]arc\ MN + 150 = 180[/tex]

Hence, the equation is: [tex]arc\ MN + 150 = 180[/tex]

Answer:

A

Step-by-step explanation:

just took exam and got 100%

2x + 3 = -x + 12

Solve the equation, explanation is good.

Answers

Answer:

3

Step-by-step explanation:

2x + 3 = -x + 12

subtract 3 from both sides

2x = - x + 9

add x to both sides

3x = 9

divide by 3

x = 3

A dairy company can make 1200 units of product each week. To meet the needs of its regular customers, the dairy company must produce at least 300 units of cheese, and 450 units of yogurt. If the profit for each unit of cheese is $60 and for each unit of yogurt is $90, how many units of each type of dairy product should the dairy company make to maximize its profit?
Answers:
300 yogurt and 450 cheese


300 cheese and 900 yogurt


450 yogurt and 750 cheese


750 yogurt and 450 cheese

Answers

Answer:

300 cheese and 900 yogurt

Step-by-step explanation:

300 cheese and 900 yogurt

how do you work out standard form in maths

Answers

Answer:

ok

Step-by-step explanation:

is that you write down 1 and 10 then you write x10 to the power of a number

Help me WILL PICK BRAINLIEST

Ok so the equation is 5 (n - 4) = -60. We're supposed to find out what n is but I don't know. help meeeee

Answers

n is 7 :] ...

Step-by-step explanation:

pls mark brainlest

Answer:

n = -8

Step-by-step explanation:

5 (-8 - 4) = -60

5 (-12) = -60

-60 = -60

Do it on any calculator that's what you'll get

witch one is the function ​

Answers

Answer:

B

Step-by-step explanation:

a function doesn't have any repeating x values

the answer is B. it’s a function cause there’s only one output for each input. so if you graph it no points will be on the same line

Triangle DEF is on a coordinate plane with its
vertices located at D( – 3,5), E( – 3, - 2), and
F(3,0). What is the area of ADEF in square
units?​

Answers

Answer:

[tex]21\ \text{square units}[/tex]

Step-by-step explanation:

The points are [tex]D(-3,5), E(-3,-2)[/tex] and [tex]F(3,0)[/tex].

Area of a triangle is given by

[tex]A=\dfrac{D_x(E_y-F_y)+E_x(F_y-D_y)+F_x(D_y-E_y)}{2}[/tex]

[tex]\Rightarrow A=\dfrac{-3(-2-0)+-3(0-5)+3(5-(-2))}{2}[/tex]

[tex]\Rightarrow A=21\ \text{square units}[/tex]

The area of the given triangle is [tex]21\ \text{square units}[/tex].

9. Which
of the following is a proper fraction?
A 12/10
B. 5/4
C.7/10
D.10 1/9​

Answers

Answer:

c

Step-by-step explanation:

because in a proper fraction the numerator is less than the denominator

How many moles is 1.50 X 10^23 molecules NaCl ?

Answers

Answer:

One mole NaCI

hope it help :)

range of f(x)=3x^2-30x-9

Answers

Answer:

y ≥ -84

Step-by-step explanation:

-84 id the vertex so it is the lowest possible value for the range

Find the median for the following set of numbers.
4, 18, 3, 29, 23
0 29
3
18
04

Answers

Answer:

3 is the median

Step-by-step explanation:

the median is just the middle number, the number in the middle of a sequence

3 is perfectly in the middle

hope this helps chu <3

There are 8 shirts in your closet, 4 blue shirts and 4 green shirts. You randomly select one to wear on Monday and then a DIFFERENT one on Tuesday. What is the probability you will wear blue on both days?

Question 8 options:

A. 5/14

B. 1/4

C. 1/2

D. 3/14

Answers

Answer:

1/4

Step-by-step explanation:

1/4 ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎​

(3RD TIME POSTING THIS)
Write the word sentence as an inequality
A number x is no more than - 8

Answers

Answer:

x ≤ -8

Step-by-step explanation:

"A number x": x

"is no more than": ≤*

"-8": -8

x ≤ -8 is your answer.

*Note the choice of less than or equal too. "No more than" implies that it can technically be -8, only that it can't be greater than -8 (-7 or more).

~

Can somone please help me and explain very much appreciated and this is 7th grade math btw

Answers

Answer:

4 8.95h + 10 < 115

Step-by-step explanation:

Answer: 4) 8.95h + 10 < 115

Step-by-step explanation:

We know the inequality will be equal to less than 115 since it states that the order was less than $115.

The equation would look like: some amount of shin guards times 8.95 each + $10 shipping = less than $115

8.95h + 10 < 115

(h in the given equation is the amount of shin guards)

How many degrees is angle A? ​

Answers

Answer:

128 degrees

Step-by-step explanation:

Answer:  112 degrees

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

Explanation:

If we assume ABCD is a parallelogram, then the adjacent angles are supplementary.

So,

A+D = 180

A+68 = 180

A = 180-68

A = 112

Pls help I’ll give brainliest

Answers

Answer:

B)  7 gallons

Step-by-step explanation:

car begins with 12 gallons and, at a rate of 29 mpg, would allow the car to travel for 348 miles

car only traveled 140 miles so 208 miles more can be driven

208÷29 is approx 7 gallons

Which of the following statement(s) describes the rate of change of f over the interval 1.5 SXS 3? Select all that apply.

A. The rate of change is 1/2

B. The rate of change is 2

C. The rate of change is constant

D. The rate of change is increasing

Answers

The answer is going to be C
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