There were two containers of oil. There was twice as much oil in the second container as in the first one. After using 13 liters of oil from the first container and 7 liters from the second one, the second container still had 3 times more oil than the first one. How many liters of oil in total were in both containers originally?

PleASE HELP

Answers

Answer 1

Answer:

There are 96 liters of oil in both containers originally

Step-by-step explanation:

* Lets change the story problem to mathematics equation

- Let the first container had A liters of oil and the second container

 had B liters of oil

- The quantity of oil B in the second container is twice the quantity

  of oil in A in the first container

∴ B = 2A ⇒ (1)

- After using 13 liters from the quantity of oil A in the first container,

 the container had (A - 13) liters

- After using 7 liters from the quantity of oil B in the second container,

 the container had (B - 7) liters

-  After that the quantity of oil in the second container is 3 times

 more oil than the first one

∴ B - 7 = 3(A - 13) ⇒ simplify

∴ B - 7 = 3A - 39 ⇒ add 7 and subtract 3A from both sides

∴ B - 3A = -39 + 7

∴ B - 3A = -32 ⇒ (2)

- Substitute the value of B from (1) into (2)

∴ 2A - 3A = -32

∴ -A = -32 ⇒ × -1

∴ A = 32 liters

- Find the value of B by substitute value of A in (1)

∴ B = 2(32) = 64 liters

- Now find the total liters of oil in both containers

∴ A + B = 32 + 64 = 96 liters

* There are 96 liters of oil in both containers originally


Related Questions

Determine the equation of the line for the given information: Two points on the line are (0, 4) and (7, 18). Use the points to first determine the slope and y-intercept. Then write the equation of the line

Answers

Answer:

y = 2x + 4

slope: 2

y-intercept: (0,4)

Step-by-step explanation:

to find the slope and y-intercept of the two points, we can use the following formula:

y2 - y1/ x2 - x1 = slope

to solve, we plug in the values into the equation

we will treat (0,4) as x1, y1 and (7,18) as x2, y2

y2 - y1 = 18 - 4 = 14

x2 - x1 = 7 - 0 = 7

14/7 is the slope, but we can simplify as 14/7 is equal to 2

so the slope is 2 (can also be said as 2/1)

we can now put the following slope into slope-intercept form (y=mx+b)

y = 2x + b < b is the slope, we so we need to solve for b

looking at our points (0,4) and (7,18), we see that we have the y-intercept, as the y-intercept has the x-coordinate 0, and any y-coordinate. the y-intercept is (0,4)

but if we dont have the y-intercept that easily, we can plug in any coordinate that we are given into the equation and solve for b. for this example, ill use (0,4) to plug into the equation

4 = 2(0) + b

4 = b

the y-intercept is 4

the final equation would be the following:

y = 2x + 4

The equation of the line that passes through two points (0, 4) and (7, 18) is y = 2x + 4.

To determine the equation of the line using the given information, we first need to find the slope and y-intercept. The slope of a line can be calculated using the formula:

slope (m) = (change in y-coordinates) / (change in x-coordinates)

Using the points (0, 4) and (7, 18), we can calculate the slope:

slope (m) = (18 - 4) / (7 - 0) = 14 / 7 = 2

So, the slope of the line is 2.

Next, we can use the slope-intercept form of a linear equation, which is y = mx + b, where m is the slope and b is the y-intercept. To find the y-intercept, we can substitute one of the points into the equation and solve for b.

Using the point (0, 4):

4 = 2(0) + b

b = 4

Therefore, the y-intercept (b) is 4.

Finally, we can write the equation of the line:

y = 2x + 4

To learn more about the slope;

brainly.com/question/3605446

#SPJ2

Micah made a scale model of the Empire State building.The building has an actual height of 381 meters. Micah’s model used a scale in which 1 cm represents 50 meters. what is the height in centimeters of Micahs model?

Answers

Answer:

Answer

3.0/5

8

1cm = 50

2 cm = 50 x 2

3cm = 50 x 3

and the inverse:50m = 50/50 = 1cm

100m = 100/50 = 2cm

150m = 150/50 = 3cm

381m = 381/

The height in centimeters of Micah's model given the scale of the drawing is 7.62cm

What is the height?

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

Scale of the drawing = original dimensions / dimensions of the scale drawing

The height of the model = 381 / 50 = 7,62cm

To learn more about scale drawings, please check: https://brainly.com/question/26388230

Zinc has a density of 0.258 lb/in³ (pounds per cubic inch).
Darius is making a pyramid out of solid zinc. The pyramid has a square base 6 inches on each side, and a height of 2.5 inches.
How many pounds of zinc does he need?
DO NOT ROUND FINAL ANSWER!!!

Answers

Why don’t you round the last answer

For this case, we have that by definition:

ρ = [tex]\frac {M} {V}[/tex]

Where:

ro: Density

M: Mass

V: Volume

We find the volume of the pyramid:

[tex]V = \frac {1} {3} * l ^ 2 * h[/tex]

Where:

[tex]l ^ 2[/tex]: Represents the area of the base of the square pyramid

h: Represents the height

So:

[tex]V = \frac {1} {3} * (6) ^ 2 * 2.5\\V = \frac {1} {3} * 36 * 2.5\\V = 30 \ in ^ 3[/tex]

We have to:

M = ρ* V

[tex]M = 0.258 \frac {lb} {in ^ 3} * 30 \ in ^ 3\\M = 7.74 \ lb[/tex]

So, you need 7.74 pounds of zinc

Answer:

7.74 pounds

WILL GIVE BRAINLIST, RIGHT ANSWERS ONLY

Shiri is planting a 4-foot flower border around the edge of her yard. she drew this diagram to show how it should look.

what is the area of the flower border?

Answers

Answer:

384

Step-by-step explanation:

Answer:

They answer 256 because you will multiply the border four times (4x4x4x4) to get the perimeter of border.

Match the equation with its graph -4x + y = 8

Answers

Answer:

It will look like a graph with a slope of 4 and a y intercept of -8

Step-by-step explanation:

Just rearrange the variables

Answer:

Step-by-step explanation:

If the question mentions a graph, you'll need to share that graph.

Here's one good procedure for graphing -4x + y = 8:

Find the y-intercept:  Let x = 0 and solve for y.  We get (0, 8).  Plot this.

Find the x-int.  Let y = 0 and solve for x.  We get (-2, 0).  Plot this.

Then draw a straight line through these two points.

what is the area of a sector when theta = 15º and r = 4

Answers

Answer:

2.09 sq. units

Step-by-step explanation:

We can simply use the formula for area of a sector of a circle.

Area of sector = [tex]\frac{\theta}{360}*\pi r^2[/tex]

Where  [tex]\theta[/tex] is the angle and r is the radius.

It is given that the angle is 15 and radius is 4. We plug them in and find the area:

[tex]\frac{\theta}{360}*\pi r^2\\=\frac{15}{360}*\pi (4)^2\\=\frac{1}{24}*16\pi\\=2.09[/tex]

Thus area of sector is 2.09  sq. units.

Answer:

2pi/6

Step-by-step explanation:

If you convert the degrees to radians (15 degrees theta) you get:

15/1 * pi/180 --> =15pi/180 then you multiply by the radius --> 15pi/180 *4/1

this gives you 60pi/180 (don't forget to reduce) =2pi/6

(Sorry this is so confusingly written out. I wish I could have just shown you on paper but just remember that all of the "/" mean a fraction! :) )

How do I rewrite this in vertex form?

Y=2x^2-8x+9

Answers

Complete the square on the right side of the equation

2(x-2)^2+1

a movie theater has 18 rows with 15 seats each how many seats does the theater have​

Answers

The answer is : 270 seats

Multiply 18*15

18*15

=270

Answer: 270 seats

The temperature in Oslo was −20∘C at midday. At 4 pm, the temperature rose 3∘C, and then dropped 8∘C at 8 pm. Anyone Help me out? Because im not sure with with the rising by 3 degrees C part, because I think that it is - 20 + 3 which = -23 or -17 im not sure please help me out

Answers

You are on the right track: - 20 + 3 = - 17 but do not forget about "dropped 8°C"

-20 + 3= -17

You are correct.

What is the slope of the line?

Answers

Answer:

7/4

Step-by-step explanation:

up seven, right four

7/4. Go up seven, right 4

Adam calculates his annual commission, y, using the model y = 0.28x, where x represents his total sales for the year. What is the meaning of the x-intercept in the model?

Answers

Answer:

The x intercept is where Adam made 0 commission for x number of sales.

Step-by-step explanation:

The x intercept is where the line crosses the x axis. It has a point (a,0) where y=0. In this model y is Adams total commission and x is his total sales. The x intercept is where Adam made 0 commission for x number of sales.

two boxes contain the following pieces of chalk of the same size. 2 red, 1 yellow, 4 green, 3 white, and 2 blue pieces. If one piece of chalk will be randomly selected from each box, what is the probability that both pieces will be white? A.) 1/16 B.) 1/22 C.) 1/4 D.) 1/36​

Answers

Answer:

1/4 would be your answer

Step-by-step explanation:

There are four other pieces (I think)

Answer:

Option A.  [tex]\frac{1}{16}[/tex]

Step-by-step explanation:

Two boxes contains the following pieces of chalk of the same size.

Red = 2

Yellow = 1

Green = 4

White = 3

Blue = 2

Each box contains = 2 + 1 + 4 + 3 + 2  = 12 pieces of chalk of the same size.

There are total pieces of chalks are 12 and white chalks are 3 in each box.

If one piece of chalk will be randomly selected from each box.

The probability of first box that piece will be white = [tex]P_{1}=\frac{3}{12}[/tex]

The probability of second box =  [tex]P_{2}=\frac{3}{12}[/tex]

Therefore,  P =  [tex]p_{1}[/tex] × [tex]p_{2}[/tex]

                   P = [tex]\frac{3}{12}[/tex] × [tex]\frac{3}{12}[/tex]

                   P = [tex]\frac{1}{4}[/tex] ×  [tex]\frac{1}{4}[/tex]

                   P = [tex]\frac{1}{16}[/tex]

The probability that both pieces will be white is  [tex]\frac{1}{16}[/tex] .

find the sales tax only. $199.95 ipod; 9% tax​

Answers

the sales tax is close to 217.94

Answer:17.9955

Step-by-step explanation:

199.95 * 0.09 = 17.9955

when ever you want to work out a % just multiple it by the % in decimal ie 10% = 0.1, 100% = 1.0, 9% =0.09

OR

if you want to work out what 9% is added on top of the price to total 199.95 you can you this

A1= gross amount

B1 = tax percentage

(A1/(100+B1)*100) = 183.440367 before the tax is added so the total tax at 9% = 16.509633

melissa and angie baked 15 pies for the bake sale on Pi day and were suprised when they sold every piece for $2.25 each. If their ingredients were $15.24 for all pies and each pie was cut into six slices, How much profit did the girls make in the bake sale?

Answers

$18.51 would be the correct answer!

Solve and Explain.


(please!)

Answers

Answer:

x = 8.5

L = 17

W = 6.5

Step-by-step explanation:

P = 2*(L + W)

W = x - 2

L = 2x

P = 47

47 = 2 * (2x + x - 2)

47 = 2 * (3x - 2)          Remove the brackets.

47 = 6x - 4                 Add 4 to both sides.

47 + 4 = 6x - 4+4       Combine

51 = 6x                       Divide by 6

6x/6=51/6                  Combine

x = 8 3/6 or 8.5

x = 8.5

========

L = 2*x

L = 2*8.5

L = 17

=====

W = x - 2

W = 8.5 - 2

W = 6.5

Answer:

x=8.5, length is 17, and width is 6.5

Step-by-step explanation:

To solve for x, you would add the two sides together, getting x-2+2x+3x-2. Now, you would multiply this figure by two, because you only have half of the perimeter as of now. (3x-2)*2+6x-4. Now, because the perimeter is 47, you have this equation

6x-4=47

Add four to both sides

6x=51

Divide by 6

x=51/6=8.5

Now, you would plug this into both of the other sides of the rectangle.

The length, or the longest side, measures 2x

2*8.5=17

The width, or the shorter side, measures x-2

8.5-2=6.5

Hope this helped

If cos x = sin(20 + x)° and 0° < x < 90°, the value of x is

Answers

Answer:

x=35

Step-by-step explanation:

ANSWER

x=35°

EXPLANATION

We want to find the value of x, when

[tex] \cos(x) = \sin(20 + x) \degree[/tex]

and 0°<x<90°

Recall that the sine and cosine are complementary trigonometric ratios.

Hence cos x = sin (90-x)

Our equation now, becomes;

[tex] \sin(90 - x) \degree= \sin(20 + x) \degree[/tex]

We now equate the argument to get,

[tex]90 - x=20 + x[/tex]

Group similar terms to obtain:

[tex]90 - 20 = x + x[/tex]

[tex]70 = 2x[/tex]

This implies that,

[tex]x = 35 \degree[/tex]

<Q and <R are complementary angles. If m<Q = (31 - 3x)° and m<R = (19x - 5)°, find m<R​

Answers

31-3x+19x-5=90

26+16x=90

-26 -26

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

16x= 64

16x/16= 64/16

x=4

m <R=19 (4)-5= 71.

Answer:

Step-by-step explanation:

90=(31-3x)+(19x-5)

90=31-3x+19x-590=19x-3x+31-5

90=16x+26

90-26=17x

64=4x

x=4

m∠R=19(4)-5

m∠R=76-5

m∠R=71

What is the value of pie and how can I round it to the nearest tenth

Answers

The Value of Pi is actually an infinite number and cannot be calculated. It is not a real number. Usually many just shorten Pi to the decimal 3.14, which it is most commonly used as since there is no exact decimal of Pi.

3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748184676694051320005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235420199561121290219608640344181598136297747713099605187072113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083814206171776691473035982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989380952572010654858632788659361533818279682303019520353018529689957736225994138912497217752834791315155748572424541506959508295331168617278558890750983817546374649393192550604009277016711390098488240128583616035637076601047101819429555961989467678374494482553797747268471040475346462080466842590694912933136770289891521047521620569660240580381501935112533824300355876402474964732639141992726042699227967823547816360093417216412199245863150302861829745557067498385054945885869269956909272107975093029553211653449872027559602364806654991198818347977535663698074265425278625518184175746728909777727938000816470600161452491921732172147723501414419735685481613611573525521334757418494684385233239073941433345477624168625189835694855620992192221842725502542568876717904946016534668049886272327917860857843838279679766814541009538837863609506800642251252051173929848960841284886269456042419652850222106611863067442786220391949450471237137869609563643719172874677646575739624138908658326459958133904780275900994657640789512694683983525957098258226205224894077267194782684826014769909026401363944374553050682034962524517493996514314298091906592509372216964615157098583874105978859597729754989301617539284681382686838689427741559918559252459539594310499725246808459872736446958486538367362226260991246080512438843904512441365497627807977156914359977001296160894416948685558484063534220722258284886481584560285060168427394522674676788952521385225499546667278239864565961163548862305774564980355936345681743241125150760694794510965960940252288797108931456691368672287489405601015033086179286809208747609178249385890097149096759852613655497818931297848216829989487226588048575640142704775551323796414515237462343645428584447952658678210511413547357395231134271661021359695362314429524849371871101457654035902799344037420073105785390621983874478084784896833214457138687519435064302184531910484810053706146806749192781911979399520614196634287544406437451237181921799983910159195618146751426912397489409071864942319615679452080951465502252316038819301420937621378559566389377870830390697920773467221825625996615014215030680384477345492026054146659252014974428507325186660021324340881907104863317346496514539057962685610055081066587969981635747363840525714591028970641401109712062804390397595156771577004203378699360072305587631763594218731251471205329281918261861258673215791984148488291644706095752706957220917567116722910981690915280173506712748583222871835209353965725121083579151369882091444210067510334671103141267111369908658516398315019701651511685171437657618351556508849099898599823873455283316355076479185358932261854896321329330898570642046752590709154814165498594616371802709819943099244889575712828905923233260972997120844335732654893823911932597463667305836041428138830320382490375898524374417029132765618093773444030707469211201913020330380197621101100449293215160842444859637669838952286847831235526582131449576857262433441893039686426243410773226978028073189154411010446823252716201052652272111660396

Pi is 3.14, and is an irrational number, meaning that it does not end and has no repetition of numbers in a row.

The area of the circle is calculated by multiplying pi by the radius.

3.14 * 10 = 314.16.

To round it to the nearest tenth, you must know whether the second decimal number is greater or less than 5. If it is 5 or greater, you round the first decimal up 1. If it is 4 or less, then you just remove the second decimal and keep the first one.

In this case, the answer would be approximately 314.2 because 6 is greater than 5, so you round up the 1 to a 2.

What number must you add to complete the square x^2+2x=9

Answers

Answer:

+ 1

Step-by-step explanation:

Given

x² + 2x = 9

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(1)x + 1² = 9 + 1²

(x + 1)² = 10

Answer:x =(-2-√-32)/-2=1+2i√ 2 = 1.0000-2.8284i

x =(-2+√-32)/-2=1-2i√ 2 = 1.0000+2.8284

Step-by-step explanation:

Solve this system of linear equation. Supérate the x- and y-values with a comma. 2x+4y=-48 4x-9y=57

Answers

Answer:

(x,y) = (-6.12,-11.76)

Step-by-step explanation:

2x+4y=-48 => eq(i)

4x-9y=57  => eq(ii)

We need to solve these equations simultaneously to find the values of x and y.

Multiplying eq(i) with 2 and subtracting both equations

4x + 16y = -96

4x - 9y  = 57

-    +         -

__________

25 y = -153

y = -153/25

y = -6.12

Putting value of y in eq(i)

2x + 4(-6.12) = - 48

2x - 24.48 = -48

2x = -48 + 24.48

2x = -23.52

x= -23.52/2

x= -11.76

So, values of x and y are -6.12 and -11.76

(x,y) = (-6.12,-11.76)

The solution to the system of linear equations is [tex]\(x = -6\) and \(y = -9\).[/tex]

Let's solve the system of linear equations:

[tex]1. \(2x + 4y = -48\)\\2. \(4x - 9y = 57\)[/tex]

We can use the substitution or elimination method. I'll use the elimination method here:

Multiply the first equation by 2 to make the coefficients of [tex]\(x\)[/tex]in both equations the same:

[tex]1. \(4x + 8y = -96\)\\2. \(4x - 9y = 57\)[/tex]

Now, subtract the second equation from the first to eliminate [tex]\(x\):[/tex]

[tex]\((4x + 8y) - (4x - 9y) = -96 - 57\)[/tex]

Simplify:

[tex]\(17y = -153\)[/tex]

Now, solve for \(y\):

[tex]\(y = -\frac{153}{17} = -9\)[/tex]

Now that we have \(y\), substitute it back into one of the original equations. I'll use the first equation:

[tex]\(2x + 4(-9) = -48\)[/tex]

Simplify:

[tex]\(2x - 36 = -48\)[/tex]

Add 36 to both sides:

[tex]\(2x = -12\)[/tex]

Divide by 2:

[tex]\(x = -6\)[/tex]

So, the solution to the system of linear equations is [tex]\(x = -6\) and \(y = -9\).[/tex]

What is the completely factored form of x^4+8^2-9?

Answers

Answer: wads

Step-by-step explanation:wasd

Answer:

Is that equation typed correctly?

For one thing, that second term should (probably) be 8x^2.

Step-by-step explanation:

What is the ratio of books to pencils?

Answers

Answer:

A. 4/7

Step-by-step explanation:

If Susie has a bag with 9 hairpins, 7 pencils, 2 snacks, and 4 books, the ratio of books to pencils is 4/7 or 4:7.

4 books.

7 pencils.

You could combine the 4 and 7 getting, 4/7 or 4:7

Even though, there are more numbers, the question only asked for the ratio of books to pencils.

Find the value of the combination. 16c14 HELP

Answers

Answer:

120

Step-by-step explanation:

We need the formula of combination:

nCr = [tex]\frac{n!}{(n-r)!*r!}[/tex]

Also we need to understand "factorial" notation, which is the "!" mark. For example, 5! means 5 * 4 * 3 * 2 * 1, and

4! would mean 4 * 3 * 2 * 1

Now we can find out 16C14 by plugging it into the formula and doing the steps shown below:

[tex]nCr=\frac{n!}{(n-r)!*r!}\\16C14=\frac{16!}{(16-14)!*14!}\\=\frac{16!}{2!*14!}\\=\frac{16*15*14!}{(2*1)*14!}\\=\frac{16*15}{2}\\=120[/tex]

Help please, what’s: 5x-7+2-2x=-26

Answers

Answer:

7

Let's solve your equation step-by-step.

5x−7+2−2x=−26

Step 1: Simplify both sides of the equation.

5x−7+2−2x=−26

5x+−7+2+−2x=−26

(5x+−2x)+(−7+2)=−26(Combine Like Terms)

3x+−5=−26

3x−5=−26

Step 2: Add 5 to both sides.

3x−5+5=−26+5

3x=−21

Step 3: Divide both sides by 3.

3x

3

=

−21

3

x=−7

Answer:

x=−7

Answer:

the solution is x = -7

Step-by-step explanation:

Collect terms:

x(5 -2) +(-7 +2) = -26

3x -5 = -26

Add 5 to get the variable term by itself:

3x = -21

Divide by the coefficient of the variable:

x = -7

____

The answer to, "what is it?" is that it is a linear equation in x. After you collect terms, it is what is referred to as a "two-step" linear equation, because it takes two steps to solve it: add 5, divide by 3.



What is the simplest form 0f 2√2/√3-√2

Answers

Answer:

[tex]\frac{2\sqrt{2}}{\sqrt{3}-\sqrt{2}}=2\sqrt{6}+4[/tex]

Step-by-step explanation:

We have the expression:

[tex]\frac{2\sqrt{2}}{\sqrt{3}-\sqrt{2}}[/tex]

To simplify the expression multiply by the conjugate of the denominator.

The denominator is

[tex]\sqrt{3}-\sqrt{2}[/tex]

Then its conjugate is:

[tex]\sqrt{3}+\sqrt{2}[/tex]

Then:

[tex]\frac{2\sqrt{2}}{\sqrt{3}-\sqrt{2}}*\frac{\sqrt{3}+\sqrt{2}}{\sqrt{3}+\sqrt{2}}\\\\=\frac{2\sqrt{2}\sqrt{3}+2\sqrt{2}\sqrt{2}}{(\sqrt{3})^2-(\sqrt{2})^2}\\\\\frac{2\sqrt{6}+4}{3-2}}\\\\= \frac{2\sqrt{6}+4}{1}}=2\sqrt{6}+4[/tex]

Answer:

[tex]4+2\sqrt{6}[/tex]

Step-by-step explanation:

Given expression is [tex]\frac{2\sqrt{2}}{\sqrt{3}-\sqrt{2}}[/tex].

Now we need to simplify this. So multiply and divide by conjugate of denominator.

[tex]\frac{2\sqrt{2}}{\sqrt{3}-\sqrt{2}}[/tex]

[tex]=\frac{2\sqrt{2}}{\left(\sqrt{3}-\sqrt{2}\right)}[/tex]

[tex]=\frac{2\sqrt{2}}{\left(\sqrt{3}-\sqrt{2}\right)}\cdot\frac{\left(\sqrt{3}+\sqrt{2}\right)}{\left(\sqrt{3}+\sqrt{2}\right)}[/tex]

[tex]=\frac{2\sqrt{6}+2\sqrt{4}}{\left(\sqrt{3}\right)^2-\left(\sqrt{2}\right)^2}[/tex]

[tex]=\frac{2\sqrt{6}+2\cdot2}{3-2}[/tex]

[tex]=\frac{2\sqrt{6}+4}{1}[/tex]

[tex]=2\sqrt{6}+4[/tex]

[tex]=4+2\sqrt{6}[/tex]

Hence final answer is [tex]4+2\sqrt{6}[/tex].

Which expression is the factorization of x2+10+21?

Answers

Answer:

(x + 3)(x + 7)

Step-by-step explanation:

Given

x² + 10x + 21

Consider the factors of the constant term (+ 21) which sum to give the coefficient of the x- term (+ 10)

The factors are + 3 and + 7, since

3 × 7 = 21 and 3 + 7 = 10, hence

x² + 10x + 21 = (x + 3)(x + 7)

what is 10ft/30 inches simplified?

Answers

Answer:

4 inches.

Step-by-step explanation:

Convert 10ft in to inches

10 ft = 120 inches

So, 10ft/30inches =120inches/30 inches

120÷30=4

The requried, 10 ft / 30 inches simplified is 4

To simplify the expression 10 ft / 30 inches, we need to convert the units to a common format. We can convert both feet and inches to inches to make the division easier.

1 foot is equal to 12 inches. So, 10 feet can be written as 10 * 12 = 120 inches.

Now we have 120 inches / 30 inches, which simplifies to:

120 inches / 30 inches = 4.

Therefore, 10 ft / 30 inches simplified is 4.

Learn more about simplification here:

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How do I find the Circumference?

Answers

2* radius* pie

Step-by-step explanation:

first you times 2 by the radius, then you times that answer by 3.14.

hoped this helped a little

The total deposit and rent collected by an apartment manager for one resident are given by the equation t = 350 + 700m, where m is the number of months the resident has lived there. Is this model of the situation linear? If it is, what are the slope and the y-intercept?

A. linear: slope = 350, y-intercept = 700



B. linear: slope = 700, y-intercept = 350



C. linear: slope = 2, y-intercept = 350



D. not linear

Answers

A linear equation is an equation in which each term has at max one degree. The correct option is B.

What is a linear equation?

A linear equation is an equation in which each term has at max one degree. Linear equation in variable x and y can be written in the form y = mx + c

Linear equation with two variables, when graphed on the cartesian plane with axes of those variables, give a straight line.

The total deposit and rent collected by an apartment manager for one resident are given by the equation t = 350 + 700m, where m is the number of months the resident has lived there. Since the equation is in the form of a linear equation it can be concluded that the model is linear.

Comparing the equation with a linear equation,

t = 350 + 700m

y = C + mx

The slope of the equation is 700, while the y-intercept is 300.

Hence, the correct option is B.

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Which expression means 2 less than a number? p + 2 p – 2 2 × p 2 ÷ p

Answers

Answer:

p - 2

Step-by-step explanation:

"2 less than a number" would be n - 2.  "Less than" implies subtraction.  We are subtracting 2 from the unknown number n.

Answer:

p-2

Step-by-step explanation:

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