can i have help please

Answers

Answer 1

It’s 3a

as 9/3 = 3

a^3/a^2 = a

and the b’s cancel out

Answer 2

its 3a because
you have to cancel the common factor which is b
means its now 9a^3/3a^2
factor 9 means 3 x 3a^3/3a^2
equals 3a^3/ a^2
a^3/ a^2 = a
3a

Related Questions

If the circumference of full circle is equal to 2 cm, find the length of the arc of the composing semicircle

Answers

Answer:

it is 1 cm because semi means half

Write the inequality.
The sum of negative 3 and a number is no more than two

Answers

Answer: -3+x<2

Step-by-step explanation: can't be greater than 2.

a=V^2/P make v the subject

Answers

Answer:

correcto

Step-by-step explanation:

Answer:

v = sqrt(a*p)

Step-by-step explanation:

multiply both sides by p

a*p = v^2

square root both sides to get rid of the (^2) on the v

then you'll be left with v= sqrt(a*p)

Will mark brainliest :)

Answers

Answer:

B im pretty sure

Step-by-step explanation:

Second derivative of -2x^2+2/(x^2+1)^2

Answers

Answer:

\frac{-2x^2+2}{x^4+2x^2+1}

2x^2+2

-------------

x^4+2x^2+1

Write the equation of the line with x-intercept 3 and passing through the point (5.4)

Answers

Answer: y=(1/5)m+3

Step-by-step explanation:

Start with the standard form of an equation of a straight line: y=mx+b, whre m is the slope and b the y-intercept (the value of y when x=0).

y=mx+b

We know b (3), so:

y=mx + 3

To find the slope, m, we can use the one given point, (5,4):

y=mx + 3 for (5,4) would be:

4 = m*5+3

1 = 5m

m = (1/5)

y=(1/5)m+3

In kick boxing, the force needed to break a board varies inversely with the length of the board.If it takes 5 pounds of pressure to break a board 2 feet long, how many pounds of pressure will it take to break a board that is 8feet long?

Answers

Answer:

Step-by-step explanation:

By taking k as constant:

P = k/L (where P is pressure, and L is length)

5 = k/2

k = 10

Therefore:

P = 10 / L

P = 10/ 8

P = 1.25 Pounds.

Write an equation for a circle if the endpoints of the diameter are (7,6) and (-1,-8)

Answers

Answer:

(x-3)^2 + (y+1)^2 =65

Step-by-step explanation:

1.find centre

2. substitute centre (h,k) into (x-h)^2 + (y-k)^2 = r^2

On Monday, 339 students went on a trip to the zoo. All 6 buses were filled and 9 students had to travel in cars. How many students were
in each bus ?

Answers

Answer:tinham em cada onibus 55 alunos

Step-by-step explanation:

9 alunos tiveram que viajar de carro ,ou seja apenas 330 alunos foram de onibus , 339-9 igual a 330 .

Depois de conseguir esse resultado divida o numero de alunos (330) por numero de onibus (6) o resultado sera 55.

Theres a 4 at the bottom but i couldn't get it in

Answers

Answer:

See answer below.

Step-by-step explanation:

1. Start at point (0,0), This point is where the x-y-axis meet. Do not put a dot

there because this is your starting point.

2. Move to the left over to point -1 3/4 . This place is between -1 and -2, and

closer to -2 because the point is -1 .75. Remember this point is not on the

graph.

3. Now move up from that point to 4.5 and put a dot at that place. The point is in the Q II , to the left top.

Name one similarity between the measure of a clockwise and counterclockwise rotation.

Answers

Answer:

they go around

Step-by-step explanation:

1/5 cup of flour is used to make 4 cookies. How many cups of flour are needed to make 7 dozen cookies. (Need answer asap please)

Answers

7x12 is 84 cuz 12 is a dozen so then84/4 is 21 then times 1/5 is 4.2

On an airplane the passengers may have chicken vegetable or tomato soup

Half of the passengers choose the Chicken soup

A third of the passengers choose tomato soup

What fraction of the passengers chose soup?

There are 240 passengers on the airplane

How many passengers chose vegetable soup?

Answers

5/6
40
1/2 + 1/3 = 5/6
120 chose chicken and 80 chose tomato. So 40 chose vegetable

140% of what is 45? I'm so confused please help

Answers

140% of what is 45?

[tex]\boxed{\green{\sf 140\% = 1.4}}[/tex]

[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf 1.4 \\ \sf \underline{\times \: \: \: \: \: \: \: \: \: \: \: 45} \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: 70 \\ \: \sf \: \underline{ + \: \: \: \: \: \: \: 56 \: \: \: } \\ \: \: \: \: \: \: \: \: \: \sf \: \green{63.0}[/tex]

#CarryOnLearning

How can you use factoring to solve quadratic equations in standard form?

Answers

Step-by-step explanation:

The roots or the zeroes of a quadratic equation are its x-intercepts, which are the points on the graph where it crosses the x-axis. When a quadratic equation is in standard form, ax² + bx + c, the usual goal is to find the binomial factors that could help us determine the roots or solutions to the given equation. Once you find the factors, then you will use the Zero-Product Property to solve for the solutions.

For example, if you were given the following quadratic equation in standard form, x² + 6x + 8 = 0, and were tasked to find its factors.

x² + 6x + 8 = 0

where a = 1, b = 6, and c = 8:

In order to find the factors of the given quadratic equation, we must find the factors with a product ac, and sum b.

Using 2 and 4 as possible factors produce a product that is equal to

product of ac: 2 × 4 = 8

sum of b: 2 + 4 = 6.

Therefore, the factors of the given quadratic equation, x² + 6x + 8 = 0 are:

(x + 2) (x + 4).

Using the Zero-Product Property, where it states that for any real numbers, u and v, if uv = 0, then u = 0 or v = 0.

Thus, setting the binomial factors of the given quadratic equation to zero will provide the solutions.

(x + 2) (x + 4)

x + 2 = 0

x + 2 - 2 = 0 - 2

x = -2

x + 4 = 0

x + 4 - 4 = 0 - 4

x = -4

Therefore, the solutions to the quadratic equation, x² + 6x + 8 = 0 are x = -2, and x = -4.

Emmitt runs 5 miles in 40 seconds. How long will it take him to run 8 miles?

Answers

Answer:

64 seconds or 1 minute and 4 seconds

40÷5= 8

8×8=64

Answer:

It'll take Emmitt 64 seconds, or 1 minute and 4 seconds.

Step-by-step explanation:

set a proportion;

5 8

---- = ---

40 x

8/5 = 1.6

40 x 1.6 = 64

x = 64

100 points plz help!!!!

Answers

Answer:

it is ez

Step-by-step explanation:

45 75 145

Answer:

Step-by-step explanation:

Factor completely 4x^3+ 28x^2 +48x

Answers

Answer:

4x(x+3)(x+4)

Step-by-step explanation:

If Jim has 5 apple and gives six away how many apples does he have?.

Answers

Answer:

He would have 0 because he technically cannot have -1 apples.

Step-by-step explanation:

5- (-6) =-1

what is 5 x 6 = 90 divide then what is the answer please help asap

Answers

Answer

Use a calculator my g ‍♀️

Can you help me on this question Plss??

Answers

it is nonlinear and it is constant

Answer:

Linear; constant

how many groups of 6 are in 95?

Answers

Answer:

Step-by-step explanation:

It does not divide evenly, but there are 15 groups of 6 in 95.

please help solve for RN

Answers

Answer:

I guess...

Step-by-step explanation:

Since QR and PN are parallels, I think what happens in MN and MP is proportional, so:

RN = x

8 is to 10 as

5 is to x

8 * x = 5 * 10

8x = 50

x = 50 / 8

x = 6.25

RN = 6.25

Where ia the function decreasing?

Answers

Answer:

The function is decreasing for x > -1

Step-by-step explanation:

A box of cereal states that there are 84 calories in a 3/4
-cup serving. What is the unit rate for calories per cup?

Answers

answer: 112 cals per cup.
explanation: first you do 84 cals divided by 3= 28 . you want to multiply 28 by 4 to equal a cup. 28x4=112 .

Answer:

It is 112 calories per cup of cereal.

Step-by-step explanation:

multiply 3/4 by 4 and youll get 3 and them multiple 84 by 4 and you'll get 336. Divide 336 by 3 and youll get your answer.

Danielle found an outfit she liked at two different stores. Store 1 marked the outfit down by 15%. They then marked down the reduced price an additional 5% off. Danielle had a 20% off coupon for Store 2. If the outfit originally cost $85 at both stores, which store is better buy for Danielle?

Answers

Answer: Store 2

Step-by-step explanation: sorry I don’t know how to explain.

FInd the value of T - triangle measerments

Answers

JK=JH

[tex]\\ \sf\longmapsto 10t=7t+15[/tex]

[tex]\\ \sf\longmapsto 10t-7t=15[/tex]

[tex]\\ \sf\longmapsto 3t=15[/tex]

[tex]\\ \sf\longmapsto t=15/3=5[/tex]

ABCD is a parallelogram and X and Y are any point on CD and AD respectively. Prove that triangle AXB and triangle BYC are equal in area. Prove that

Answers

Answer:

See answer below

Step-by-step explanation:

ABCD is a parallelogram Given

BC ≅ AD; AB ≅ DC opposite sides of a parallelogram ≅

Δ AXB = 1/2 (AB)(AD) Formula for the area of a Δ

Δ BYC = 1/2 (BC) (DC) Formula for the area of a Δ

1/2 (AB)(AD)= 1/2(BC)(DC) Substitution

∴ Area of Δ AXB = Area of ΔBYC

descompon potencias de 10 a 700

Answers

Answer:

descompon potencias de 10 a 700

Step-by-step explanation:

How many gallons of a 50% antifreeze solution must be mixed with 90 gallons of 25% antifreeze to get a mixture that is 40% antifreeze? Use the six-step method.

Answers

Let x be the needed volume of 50% antifreeze solution. x gallons of this solution contains 0.50x gal of antifreeze.

Mixing this amount with 90 gal of 25% solution makes a total volume of (x + 90) gal of solution.

90 gal of 25% solution contains 0.25 (90 gal) = 22.5 gal of antifreeze.

The new mixture would then consist of (0.50x + 22.5) gal.

If its concentration of antifreeze is supposed to be 40%, then

(0.50x + 22.5)/(x + 90) = 0.40

Solve for x :

0.50x + 22.5 = 0.49 (x + 90)

0.50x + 22.5 = 0.49x + 44.1

0.01x = 21.6

x = 2160

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