Please solve this, i will mark brainliest

Please Solve This, I Will Mark Brainliest

Answers

Answer 1

Answer:

[tex]k=-2[/tex]

Step-by-step explanation:

Let's write the left hand side as a negative power, and 9 as a power of 3:

[tex]3^-^k=3^2[/tex] At this point, for the equality to still stand, the exponents have to be equal:

[tex]-k = 2 \rightarrow k=-2[/tex]

Answer 2
(1/3)k = 9
3 -k = 3 2
-k=2
K=-2

Related Questions

Identify the slope!!

Answers

Answer:

Step-by-step explanation:Method 2 of 2: Solving for Slope Get a line of which you want to know the slope. Make sure that the line is straight. ... Pick any two coordinates that the line goes through. Coordinates are the x and y points written as ( x, y ). Pick which point's coordinates are dominant in your equation. ... Set up the equation using the y-coordinates on top and the x-coordinates on bottom. More items.

1The lengths of pregnancies are normally distributed with a mean of 271 days and a standard
deviation of 20 days. If 64 women are randomly selected, find the probability that they have a mean
pregnancy between 271 days and 273 days.
A) 0.2881
B) 0.5517
C) 0.2119
D) 0.7881

Answers

[tex]probablity = \frac{271}{273} \\ = 0.99267399267[/tex]

write the following fraction as decimals numbers 29/10 329/100 72/1000 2/1000

Answers

[tex] \frac{29}{10} = 2 \frac{9}{10} [/tex]

[tex] \frac{329}{100} = 3 \frac{29}{100} [/tex]

[tex] \frac{72}{1000} = \frac{9}{25} [/tex]

[tex] \frac{2}{1000} = \frac{1}{50} [/tex]

I DON'T KNOW IF CORRECT

Answer:

i) 2.9

ii) 3.29

iii) 0.072

iv) 0.002

Step-by-step explanation:

i) 29/10 = 2.9

ii) 329/100 = 3.29

iii) 72/1000 = 0.072

iv) 2/1000 = 0.002

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PLEASE HELP!! Ill GIVE BRAINLIST IF RIGHT!! Refer to this table, which Francine, Geraldo, and Jennifer made during a bicycling trip. It shows the distance each person traveled during the first four hours of their trip. The table shows the distance covered while the students were actually biking. (Time is not counted when they stop to rest, eat, etc.) (Picture below)




Answers

Answer:

d = 4.5t

Step-by-step explanation:

Based on the table...

Francine covers:

9 miles in 2 hours

AND

18 miles in 4 hours

(You can use either one for this)

All you have to do is divide the [tex]\frac{miles}{hours}[/tex]....

So, we can set up the fraction [tex]\frac{9 miles}{2 hours}[/tex]

[tex]\frac{9}{2} =4.5[/tex] ...

So, knowing that 2 (time) · 4.5 = 9 (miles)...the answer would be

d(miles) = 4.5t (time)

So, the answer is d = 4.5t

Hope this helps!!!

Use the long division method to find the result when 6x^3+ 23x^2 + 15x + 28 is
divided by 2x + 7

Answers

The answer is:

3x^3+x+4.

Hope this helped!! :)

Given side AB in ΔABC has length x, what is the length of side AC?
A) x
B) x 2
C) x 3
D) 2x

Answers

Answer:

2x

Step-by-step explanation:

common factor of 24 plz

Answers

Hey there!

Factors of 24 are 1, 2, 3, 4, 6, 8 & 12.

24 = 1 × 2 × 2 × 2 × 3

24 = 2³ × 3 × 1

1 × 24 = 24

2 × 12 = 24

3 × 8 = 24

4 × 6 = 24

Hope it helps ya!

add on a number line :(+7). (-7)​

Answers

-8———————0——————————10
-7 7
That’s -7 and 7 on a number line. If you count the — each is one so that is where they would be if you plotted the number line.

Answer:

-8———————0——————————10

-7 7

That’s -7 and 7 on a number line. If you count the — each is one so that is where they would be if you plotted the number line.

Step-by-step explanation:

whats is 89 x 98789 =
please help me asap please

Answers

Answer:

8792221

Step-by-step explanation:

89 x 98789 = 8792221

8792221 is correct answer

(Hope this helps can I pls have brainlist (crown)☺️)

How to find slope intercept form without a point.

Answers

y1-y2/x1-x2
Because you would be getting both those points and subtracting them y would be your numerator and x would be your denominator

Of the 345 7th graders, 40% of them
are in band. How many 7 graders
are in band?

Answers

So first you find 10% which is 34.5
Then you multiply 10% by 4 to get 40% which is = 138

So first you find 10% which is 34.5

Then you multiply 10% by 4 to get 40% which is = 138s

Yw

-2(y+2)+6y Need help ​

Answers

Answer:

4y-4 Hope this helps! :)

Step-by-step explanation:


Someone please help me

Answers

Answer:

yes as if two opposite sides of a four sided quadrilateral turns up to be symmetry or same then it is a rectangle not a square as a square has four lines of symmetry

The answer is yes Dave is correct

Rachel, Neil, Caroline share an amount of money.
Rachel gets five time as much money as Neil gets.
Rachel get half as much money as Caroline gets.

what fraction of the amount of money does Rachel get?

Answers

The fraction of the money belonging to Rachel is [tex]\frac{5}{16}[/tex]

Let [tex]R[/tex] be the amount of money Rachel has

Let [tex]N[/tex] be the amount of money Neil has

Let [tex]C[/tex] be the amount of money Caroline has

Let [tex]M[/tex] be the total amount of money shared between the three people

Then, from the problem we have the following relationships

[tex]R+N+C=M\\\\5N=R \implies N=\frac{R}{5}\\\\\frac{C}{2}=R\implies C=2R[/tex]

Substituting the formulae for [tex]N[/tex] and [tex]C[/tex] into the sum [tex]R+N+C=M[/tex], we get

[tex]R+\frac{R}{5}+2R=M\\\\\frac{5R+R+10R}{5}=M\\\\\frac{16R}{5}=M\\R=\frac{5M}{16}[/tex]

Or, we can say that, [tex]R=\frac{5}{16}\text{ of }M[/tex]

Therefore, the fraction of money Rachel gets is [tex]\frac{5}{16}[/tex] of the total amount.

For an additional example of how to solve word problems that involve sharing money among people, see this answered question: https://brainly.com/question/23286685

Find the perimeter. Simplify your answer.

Answers

Answer:

4a+24

Step-by-step explanation:

a+6+a+6+a+6+a+6 collect the like terms with a and 6

4a+24

Answer:

4a-24

Step-by-step explanation:

its a square. all sides r equal so add everything or multiply by the number of sides. 4(a-6) or (a-6)+(a-6)+(a-6)+(a-6)

[final due to glitching] find the value of x for this parallelogram

Answers

Answer:

x = 0

Step-by-step explanation:

both angles equal each other

I hope this helps

Which angle in the triangle with vertices A (4, 4), B (5,6), and C (8,2) is a right angle?

Answers

The triangle does not represent aright-angled triangle

The coordinates of the triangle are given as:

[tex]\mathbf{A = (4,4)}[/tex]

[tex]\mathbf{B = (5,6)}[/tex]

[tex]\mathbf{C = (8,2)}[/tex]

Start by calculating the slopes of the lines that pass through the vertices of the triangles using:

[tex]\mathbf{m = \frac{y_2 - y_1}{x_ 2 -x_1}}[/tex]

So, we have:

[tex]\mathbf{m_{AB} = \frac{6- 4}{5 -4}}[/tex]

[tex]\mathbf{m_{AB} = \frac{2}{1}}[/tex]

[tex]\mathbf{m_{AB} = 2}[/tex] --- the slope of line AB

[tex]\mathbf{m_{CB} = \frac{6- 2}{5 -8}}[/tex]

[tex]\mathbf{m_{CB} = \frac{4}{-3}}[/tex]

[tex]\mathbf{m_{CB} = -\frac{4}{3}}[/tex] --- the slope of line CB

[tex]\mathbf{m_{AC} = \frac{4- 2}{4 -8}}[/tex]

[tex]\mathbf{m_{AC} = \frac{- 2}{-4}}[/tex]

[tex]\mathbf{m_{AC} = \frac{1}{2}}[/tex] --- the slope of line AC

None of the slopes have the following relationship with another slope

[tex]\mathbf{m_1 = -\frac{1}{m_2}}[/tex] --- condition for perpendicular line

Hence, the triangle is not a right-angled triangle

Read more about triangles at:

https://brainly.com/question/3189840

solve for x

3x/6 + 1 = 7

Answers

Subtract one from each side and then multiply -6 to each side and then divide by 3 and the answer is x=-12

Read the scenario. 3. Joelle is sewing a new outfit. One pattern piece is 4 in. long. The piece has a seam allowance of in. How long will the piece be after it is sewn? Hint: the seam allowance is how far in from the edge of the piece you sew. It reduces the overall size of the pattern piece. Show the solution to the problem using a horizontal number line. + + 1 O + 2 3. Length of Pattern Piece (in.) 4. 5 Answer:​

Answers

Answer: i think its 4.6 because i am doing the same problem and 4.6 looks the best answer.

Step-by-step explanation: you can also add 4+5/8 or 4+0.625 and you get 4.625 and 4.625 simplified is 4.6

Plz help fast I will mark brainliest

Answers

Base angle theorem proves that

How many sides does a polygon have if the sum of the interior angles is 360

Answers

Answer:

4

Step-by-step explanation:

we know that triangles have 180 degrees inside them and quadrilaterals are made up of two triangles, since 180 x 2 is 360 we know it's a quadrilateral.

What is the equation of the circle in center - radius form: x² + y2 + 12x - 10y
- 7 = 0?

Answers

Answer:

Radius:  √ 61

Step-by-step explanation:

Complete the square for  x^ 2 + 12 x = ( x + 6 ) ^2 − 36

Substitute   ( x + 6 ) 2 − 36  for  x 2 + 12 x  in the equation  x 2 + y 2 + 12 x − 10 y = 0

= ( x + 6 ) 2 − 36 + y 2 − 10 y = 0

Move  − 36  to the right side of the equation by adding  36  to both sides

= ( x + 6 ) 2 + y 2 − 10 y = 0 + 36

Then you know the rest: radius will be √ 61

The center coordinate of the circle is (6,5) with a radius = 7.34

What is the equation of the circle?

The equation of the circle is: [tex](x-a)^{2} + (y-b)^{2} = r^{2} x^{2}[/tex]

Substituting the values in the equation:

[tex](x-a)^{2} + (y-b)^{2} = r^{2} x^{2} - 2ax + a^{2} + y^{2} - 2by +b^{2} - r^{2} = 0[/tex]

⇒  -2ax =  -12x

⇒  a = 6.

-2by = -10y

b= 5.

⇒ a² + b² - r² =  -7

⇒  6² + 5² + r² = -7

⇒ 36 + 25 + r² =  -7

⇒ r² = 54

r = 7.34

Center coordinate (6,5) with r = 7.34

Learn more about the equation of the circle here: brainly.com/question/1471134

#SPJ2

Mary's allowance is based on the amount of time that she spends practicing different activities each week. This week Mary spent 12 hours practicing and earned $12.00.
Part A: Mary's time spent on activities is as follows: 1/5 practicing flute, 1/6 practicing Spanish, 1/2 playing soccer, and 2/15 practicing math. Write an equivalent decimal for the amount of time that she spent on each activity. If necessary, round to the nearest hundredth.

Answers

Answer:

Math: 1h 36 min

Flute: 2h 24 min

Soccer: 6h

Spanish: 2h

If you estimate 124x22 by rounding to the nearest ten, will you get an overestimate or an underestimate?

Answers

I overestimated my chances at life, underestimated my death

Please help! I need to turn this in today.

Answers

Answer:

C this is the answer

Step-by-step explanation:

hope this helps

Answer:

B

Step-by-step explanation:

Area = Width X Length

9x+6 / 3 = 3x + 2

HELP PLZ I NEED TO PASS‼️‼️‼️ (picture of the question is included)A line passes through the point (-4, -3) and has a slope of 5/4.
Write an equation in slope-intercept form for this line.

Answers

Y=5/4 (x) + b
-3 = 5/4 (-4) + b
-3 = -5 + b

b = 2

Final answer: y=5/4(x) + 2
mark that person brainliest!

6(3x-1-2x)=(2x-5-8)
determina el conjunto de la ecuacion lineal

Answers

6(3x-1-2x)=(2x-5-8)

Expand expression 1 : 18x-6-12x

18x-6-12x=2x-5-8

Collect like terms

18x-12x-2x= -5-8+6

4x= -7

x= -4/7

I have no idea how to do these plz help and plz make sure it’s right because I only have 5 questions and will mark brainiest:)

Answers

Answer: the answer is d

Step-by-step explanation:

What is the final amount if 700 is decreased by 6% followed by a 7% increase?
Give your answer rounded to 2 DP.

Answers

Answer:

700 -6% =658 and 658-7%=611.94

You go out to dinner with 2 friends. The bill was $35.60, and you
add 20% tip. All 3 of you share the total cost equally. How much
money did each person pay?

Answers

Answer:

$14.24

Step-by-step explanation:

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