If
I
- 9 = 12, what is the value of k?
O A. 1
O B. 7
O C. 9
O D. 63

Answers

Answer 1
If k-9=12 then
K= 21
I think you wrote the equation wrong since it doesn’t match any of the answer choices

Related Questions

PLEASE HELP HEHE!!!!

A bag contains 3 red balls, 8 blue balls and 11 white balls. What is the probability of drawing two balls after replacing the first ball; first is red and then a white ball? Round to the nearest tenth and include a percent sign

Answers

Answer:

0.1

Step-by-step explanation:

Probability = expected outcome/total outcome

If a bag contains 3 red balls, 8 blue balls and 11 white balls, then the total outcome will be;

Total outcome = 3 + 8 + 11 = 22 balls

Since we are drawing two balls with replacement;

Probability of drawing red ball = number of red/total outcome = 3/22

Probability of drawing white ball = number of while/total outcome = 11/22 = 1/2

Probability of drawing red first and then white = 3/22 * 1/2

Probability of drawing red first and then white  = 3/44

To the nearest tenth, 3/44= 0.1

In percent = 6.8%

(V+5)(-1/9)=6 how do u solve this

Answers

Answer:

v= -59

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : (v+5)*(-1/9)-(6)=0

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    (v+5)*(-1/9)-(6)=0

Step by step solution :

STEP

1

:

           1

Simplify   —

           9

Equation at the end of step

1

:

                  1      

 ((v + 5) • (0 -  —)) -  6  = 0

                  9      

STEP

2

:

Equation at the end of step 2

 (-v - 5)    

 ———————— -  6  = 0

    9        

STEP

3

:

Rewriting the whole as an Equivalent Fraction

3.1   Subtracting a whole from a fraction

Rewrite the whole as a fraction using  9  as the denominator :

        6     6 • 9

   6 =  —  =  —————

        1       9  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

STEP

4

:

Pulling out like terms

4.1     Pull out like factors :

  -v - 5  =   -1 • (v + 5)

Adding fractions that have a common denominator :

4.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

(-v-5) - (6 • 9)     -v - 59

————————————————  =  ———————

       9                9  

STEP

5

:

Pulling out like terms :

5.1     Pull out like factors :

  -v - 59  =   -1 • (v + 59)

Equation at the end of step

5

:

 -v - 59

 ———————  = 0

    9  

STEP

6

:

When a fraction equals zero :

6.1    When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

 -v-59

 ————— • 9 = 0 • 9

   9  

Now, on the left hand side, the  9  cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

  -v-59  = 0

Solving a Single Variable Equation:

6.2      Solve  :    -v-59 = 0

Add  59  to both sides of the equation :

                     -v = 59

Multiply both sides of the equation by (-1) :  v = -59

The next number in the sequence 3, 7, 12, 18, 25, 33, 42

Answers

Answer:

You add 4 and add 5 and then add 6 you add 1 more extra every time!

Step-by-step explanation:

The next number in the sequence is 52. The extended sequence becomes: 3, 7, 12, 18, 25, 33, 42, 52.

To find the pattern in the sequence and determine the next number, let's look at the differences between consecutive terms:

7 - 3 = 4

12 - 7 = 5

18 - 12 = 6

25 - 18 = 7

33 - 25 = 8

42 - 33 = 9

The differences between consecutive terms are increasing by 1: 4, 5, 6, 7, 8, 9. Now, to find the next number in the sequence, we continue the pattern by adding the next number in the sequence of differences: The last difference was 9, so the next difference will be 9 + 1 = 10.

Now, add this difference to the last number in the given sequence:

42 + 10 = 52.

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Martha accumulated $6000 in credit card debt. If the interest rate is 1.45% per year and she does not make any payments for four years how much will she owe on her debt in four years by compounding continuously. Round to the nearest cent.

Answers

Answer:

$6,358.29

Step-by-step explanation:

A=?

P=$6,000

r=0.0145

t=4 years

Dionne plans to change her yard and would like at least part of the picnic table to be shaded by the umbrella at mid-day.
Determine whether each option below would result in any part of the picnic table being shaded by the umbrella at mid-
day. Explain how you know.
• Option A: Rotate the picnic table 90° clockwise about the point (5, 0).
Option B: Move the umbrella to a location 4 feet to the left and 1 foot down.
• Option C: Move the umbrella to a location 3 feet down and 2 feet to the left.
Enter your answers and explanations in the space provided

Answers

Answer:

Option C

Step-by-step explanation:

Refer to attached picture

At midday the shaded area is going to be under the umbrella only, therefore the option moving the table under the umbrella will be the answer.

So the options:

Option A: Rotate the picnic table 90° clockwise about the point (5, 0)

No. The table has dimensions of 4x3, after this rotation the distance between the umbrella and the table will be zero but the table won't go under the umbrella.

Option B: Move the umbrella to a location 4 feet to the left and 1 foot down.

No. The movement will bring the umbrella down by one feet and no intersections.

Option C: Move the umbrella to a location 3 feet down and 2 feet to the left.

Yes. By moving the umbrella down by 3 feet and to the left by 2 feet, it will cover some part of the table. The lowest point of the umbrella will have the coordinate of (5, 1). So this is the correct option

ABC=XYZ which two statement identify corresponding congruent parts for these triangles

Answers

Answer: it’s (4), I took the test too so I know it’s most likely right.

A man traveled at 480 km in 9 hours. He traveled at 45 km/hr
for part of the trip and at 60 km/hr for the remainder of the trip.
How far did he travel while driving at 60 km/hr?
Please help!!!

Answers

Answer:

4 hours 45km/hr and 5 hours 60km/hr I believe

Step-by-step explanation:

5 times 60km/hr=300km

4 times 45km/hr=180km

180km+300km=480mm

the figure is used as part of a visual description of an algebraic statement. Which of the following can be that algebraic statement?
A.a^2 +b^2=c^2
B.1/2 (a+b) =c
C.a•b=c
D.a^2•b^2=c^2

Answers

Answer: A.

Step-by-step explanation:

The correct algebraic statement is [tex]a^{2} +b^{2} =c^{2}[/tex].

Pythagoras Theorem:

It states that "the sum of the areas of the two squares on the legs (a and b) equals the area of the square on the hypotenuse (c)" i.e.

[tex]a^{2} +b^{2} =c^{2}[/tex]                                    

According to the given question

By Pythagoras theorem we can say that the algebraic statement A i.e.[tex]a^{2} +b^{2} =c^{2}[/tex] is the correct one for the description of given figure.

Hence, option A  i.e. [tex]a^{2} +b^{2} =c^{2}[/tex]  is the correct option.

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A bacteria culture initially contains 2000 bacteria and doubles every half hour.
Find the size of the baterial population after 60 minutes.
Find the size of the baterial population after 7 hours.

Answers

Answer:

Can be found below

Step-by-step explanation:

Part A:

So we know that the bacteria doubles every (30) minutes.

2000 times 2 equals 4000 (30 minutes)

4000 times 2 equals 8000 (1 hour)

Answer for Part A:

8000 bacteria

Part B:

Now we do this function 2000(2)^14 (30 minutes long)

Answer to Part B:

I believe the answer is 32,768,000 (Please correct me if I'm wrong)

Hope I could help!! Have a great day/night!

Any constructional messages are greatly appreciated!!

2.Simplify the following mathematical expression?

a.555+(22+343-(16÷8+3-15)​

Answers

Answer:

[tex]930[/tex]

Step-by-step explanation:

STEP 1: Remove parentheses.

STEP 2: Simplify each term.

STEP 3: Simplify by adding numbers.

¿Cual es el monto producido por un capital de 7200 colocados al 4% anual durante 3 años y 4 meses ?

Answers

Answer:

3 años 4 meses

 4   primer año

 4    segundo año

4    tercer año pero nos falta 4 meses  4/12 = .33333  esto x 4 los meses =    1.3333

____

13.3333

7200 * .133333= 959.9976  por aproximacion son 960

7200+960 = 8160 Es el monto producido

Opcion C

Ashton bought DVD at the price of $20. If he also paid 8.5% sales tax, which is closest to the total amount that Ashton paid for the DVD with tax?

A. $1.70

B. $16.95

C. $21.00

D. $21.70

Answers

Answer:

A

Step-by-step explanation:

Answer:

A. $ 1.70

Step-by-step explanation:

Steven’s new cell phone plan charges a flat monthly fee of $24. The plan allows an unlimited number of text messages, but each minute (m) used for phone calls costs $0.15.

Answers

The amount he pays per month can be represented by
24 + .15m

exact number 6x7,381

Answers

Answer:

6 X 7,381 is 44,286

Step-by-step explanation:

I need this ASAP

And also I need to show my work


At Open Skate Night, admission is $3.75 with a membership card and $5.00 without a membership card. Skate rentals are $3.00.
Bauer paid the admission for himself and two friends at Open Skate Night. Bauer had a membership card, but his friends did not. He paid with a $20 bill. How much change should Bauer receive?

Answers

Answer:

Step-by-step explanation:

$3.75 (Bauer) + 5*2 (2 friends) = $13.75

20 - 13.75 = $6.25 in change

If in 7 minutes Carlos gets $200 for cleaning and Juli gets $97 in 1 minute who gets more if they work for 1 hour

Answers

Answer:

Juli

Step-by-step explanation:

an hour has 60 periods of one minute so its 60 x $97 = $5820

an hour has 60/7 periods of 7 minutes so 60/7 x $200 = $1714.29

A town has a population of 14000 and grows at 2.5% every year. What will be the
population after 5 years, to the nearest whole number?


Answer:15840

Answers

Answer:

1750 have a good day

Step-by-step explanation:

if there are 7 girls and three boys in the class, what percent of the class is boys ?​

Answers

Answer:

30% 10 people 3 of 10 is 30%

Step-by-step explanation:

HELP PLEASE 25 POINTS CALC

Answers

ANSWER

[tex] 18\pi\: cm^3/s[/tex]

STEP-BY-STEP EXPLANATION:

[tex] V= \frac {4}{3}\pi r^3\\\\

[/tex]

Differentiating with respect to t on both sides:

[tex] \frac{dV}{dt} = \frac {4}{3}\pi\times 3r^2\frac{dr}{dt} \\\\

\frac{dV}{dt} =4\pi r^2\frac{dr}{dt} .. (1)\\\\

Plug \:\frac{dr}{dt} = \frac{1}{2}\:\: \& \: \: r = 3\: in \: equation \: (1)\\\\

\frac{dV}{dt} =4\pi (3)^2\times \frac{1}{2}\\\\

\frac{dV}{dt} =4\pi\times 9\times \frac{1}{2}\\\\

\huge \purple {\boxed{\frac{dV}{dt} =18\pi\: cm^3/s}} \\[/tex]

Find the length of "C" using the Pythagorean Theorem. 14 48

Answers

Answer:

50

Step-by-step explanation:

the formula for Pythagorean theorem is A^2+B^2=C^2

14 squared is 196 48 squared is 2304 add them together u get 2500 and u have u get the sqrt of 2500 which is 50.

What is the percent of increase from 6 to 9? Write your answer using a percent sign (%)

Answers

Answer:

The percent of increase from 6 to 9 is 50%

Step-by-step explanation:

Percentages

To calculate the percentage increase:

Work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number.

Divide the increase by the original number and multiply the answer by 100.

We are required to find the percent increase from 6 to 9. Here: New number=9, Original number = 6

Increase = 9 - 6 = 3

Divide 3 by 6 and multiply the answer by 100:

3 / 6 * 100 = 50%

The percent of increase from 6 to 9 is 50%

The percent of increase from the number 6 to 9 is 50 percent.

The given numbers are 6 and 9.

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

The difference of the given numbers

= 9-6

= 3

The percent of increase = 3/6 ×100

= 0.5×100

= 50%

Therefore, the percent of increase from the number 6 to 9 is 50 percent.

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How do you write the expression 18x+30y

Answers

Answer:

6(3x+5y)

..................

I need help like NEOW! Look at de photo

What is the measurement of the unknown fourth interior angle of this quadrilateral?
A) 104°
B) 114°
C) 119°
D) 124°

Answers

The total measurement of all angles in a quadrilateral is 360°, when adding every visible angle you get 246°, then after subtracting 246° from 360° it comes out to 114° so the answer is B.

The value of the unknown fourth interior angle of the polygon is 114 degrees.

Hence option B)114° is the correct answer.

What is a polygon?

A polygon is simply a two-dimensional a plane shape enclosed by line segments called sides.

The formula for calculating the sum of interior angles of a polygon is;

S =  ( n − 2 ) × 180°

Where n is the number of sides.

Given that the polygon is the diagram has 4 sides, n = 4

Hence

the sum of interior angles of the polygon is;

S =  ( n − 2 ) × 180°

S =  ( 4 − 2 ) × 180°

S = 2 × 180°

S = 360°

Now, we add the total interior angles in the given polygon and equate to the sum of interior angles of a polygon with 4 sides.

82° + 51° + 113° + x = 360°

246° + x° = 360°

x = 360° - 246°

x = 114°

The value of the unknown fourth interior angle of the polygon is 114 degrees.

Hence option B)114° is the correct answer.

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What is the value of 3/5 divided by 2/3

Answers

the answer is 0.9
hope this helps!

Answer:

[tex]0.9[/tex] [tex]or[/tex] [tex]\frac{9}{10}[/tex]

Step-by-step explanation:

[tex]\frac{3}{5}[/tex] = [tex]0.6[/tex] [tex]or[/tex] [tex]\frac{6}{10}[/tex]

[tex]\frac{2}{3}[/tex] = [tex]0.6666666667[/tex] [tex]or[/tex] [tex]\frac{4}{6}[/tex]

[tex]Therefore,[/tex] [tex]\frac{3}{5}[/tex] ÷ [tex]\frac{2}{3}[/tex] = [tex]\frac{9}{10}[/tex] [tex]or[/tex] [tex]0.9[/tex]

Hope this helps! <3

Write an equivalent expression by combining like terms.



3a + 5a

Answers

Answer:

8a

Step-by-step explanation:

What is the step by step process of adding and subtracting matrices

Answers

ANSWER: We can only add or subtract matrices if their dimensions are the same. To add matrices, we simply add the corresponding matrix elements together. To subtract matrices, we simply subtract the corresponding matrix elements together.

HOPE THIS HELPS!!

(ASAP!!)Two base angles of an isosceles triangle measure (3x + 2) and (5x - 30) degrees. How many degrees are in the third angle of the triangle? Be sure to use the correct place value.​

Answers

Answer:

Measure of third angle = 80°

Step-by-step explanation:

Property of an isosceles triangle,

Opposite angles of the equal sides of an isosceles triangle are equal in measure.

Since, base angles of an isosceles triangle are equal,

(3x + 2) = (5x - 30)

5x - 3x = 2 + 30

2x = 32

x = 16

Now measure of the base angles will be = (3×16) + 2 = 50°

Let the measure of third angle = y°

Since, sum of interior angles of a triangle = 180°

50° + 50° + y° = 180°

y + 100 = 180

y = 80°

Therefore, measure of third angle is 80°.

when we multiply and divide we ____ the negative numbers (integers)​

Answers

Answer:

I think its supliment but I took this class a long time ago so don't quote me on that

Step-by-step explanation:

Timeless shopping he bought 35 apples that was 50% of what was on the Shelf how many apples were on the Shelf

WILL GIVE BRAINLYIST HELP​

Answers

Answer:

70 apples were on the shelf

Step-by-step explanation:

I'm pretty sure this is the answer because

50%= 1/2

So half of the amount of apples on the shelf would be 35

So just add 35+35=70

Pretty sure that is the answer sorry if its not!

You use a gift card to buy a pair of shorts for $8. There is $32 left on the gift card after your purchase. What was the original amount of your gift card?

Answers

Answer:

40

Step-by-step explanation:

32+8=40

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