How do you solve a 3x3 system of equations.

Answers

Answer 1

Answer: well it depends on what comes first but 9

Step-by-step explanation:


Related Questions

what is two and three hundreds seventy thousandths in decimal form

Answers

Answer:

2.370

Step-by-step explanation:

In this, the word "and" means the decimal point so:

two and 3

=

2.3

so the tenths place would be the first number after the decimal point, you can think of it as counting backwards. 1000  100  10  "0"  0.1  0.01  0.001

                                                thousnd hundrd tn zro tnths hundrds thousndths

so the 3 hundred would be 0.3 and the sevenTY thousandths would be 0.070

so add that all up and you get:

2.370

or

two and three hundreds seventy thousandths

Hope this helped! Pls Brainliest! It would help and mean a lot! ; )

PLEASE HELP ME ANSWER BOTH QUESTIONS WILL MARK BRAINLIEST!!!

Answers

Answer:

2034

Step-by-step explanation:

A bookshelf at a bookstore is 3 feet 9 inches wide. There are 18 copies of the same book on the shelf, which fit the shelf exactly. What is the width of 1 of the books?

Answers

Answer:

2.5 inches

Step-by-step explanation:

Given

Shelf Width = 3ft 9in

Copies = 18

Required

Determine the width of each book

This is calculated by dividing the shelf width by the number of copies.

Width = Shelf Width ÷ Copies

Width = (3 ft 9in) ÷ (18)

[Convert with to inches]

Width = (3 * 12 + 9) ÷ (18)

Width = (36 + 9) ÷ (18)

Width = 45 ÷ 18

Width = 2.5 inches

Hence, the width of each book is 2.5inches

The faculty senate at a large university wanted to know what proportion of the students thought foreign language classes should be required for everyone. The statistics department offered to cooperate in conducting a survey, and a simple random sample of 500 students was selected from all the students enrolled in statistics classes. A survey form was sent by email to these 500 students. True or false

Answers

Answer:

True

Step-by-step explanation:

This is because, since the number of students who would engage in the survey is very much (around 500 students), the best option would be to send the survey form to them in their various email. This makes things easier for them to be able to respond to it.

Select the word problem that can be modeled by the addition of two negative numbers. A Polly bought a cracker for $4 and then bought a parrot for $3. By how much did Polly's account change after her transactions? B Marcus sold a cat for $9 and then bought a plant for $4. By how much did Marcus's account changed after his transactions? C Virginia sold her pottery for $5 and then sold a hat for $2. By how much did Virginia's account change after her transactions? D Amir bought a VCR for $8 and then resold it for $9. By how much did Amir's account change after his transactions?

Answers

Answer: A.) Polly bought a cracker for $4 and then bought a parrot for $3. By how much did Polly's account change after her transactions?

Step-by-step explanation:

Word problem which can be modeled by the addition of two negative numbers :

A.) Polly bought a cracker for $4 and then bought a parrot for $3. By how much did Polly's account change after her transactions

Amount spent on cracker = - $4

Amount spent on carrot = - $3

Change in account = - 4 + (-3) = - $7

B.) Marcus sold a cat for $9 and then bought a plant for $4. By how much did Marcus's account changed after his transactions?

Amount received from sale of cat = $9

Amount spent on plant = - $4

Change in account = 9 + (-4) = $5

C.) Virginia sold her pottery for $5 and then sold a hat for $2. By how much did Virginia's account change after her transactions?

Amount received from sale of pottery = $9

Amount received from sale of hat = $2

Change in account = 9 + 2 = $11

D.) Amir bought a VCR for $8 and then resold it for $9. By how much did Amir's account change after his transactions?

Amount spent on VCR = - $8

Amount received from sale of VCR = $9

Change in account = - 8 + 9 = $1

Solve the following expression when a=5

4^2+5a-2a

Answers

Answer: 31 i think

Step-by-step explanation:

A scaled drawing of a rectangle park is 5 inches wide and 7 inches long. The actual park is 280 yards long. What is the area of the actual park in square units?

Answers

Area of the actual park is 56000 square yards.

Step-by-step explanation:

A scale drawing of a rectangular park has dimensions as 5 inches width and 7 inches length.

Actual length of the park has been given as 280 yards.

So scale factor used in the drawing is 7 inches

= 280 yards

Or 1 inch = 40 yards

Since width of the rectangular park is = 5 inch

So actual width of the park will be = 5×40 = 200 yards

Now we can calculate the area of the park.

Actual area of the park = Length × Width

= 280×200

= 56000 yards²

Therefore, area of the actual park is 56000 square yards.

The grades received by 200 students follow a normal distribution. The mean of the grades is 70%, and the standard deviation is 7%.
The number of students who received a grade greater than 70% is about
, and the number of students who got a grade higher than 84% is about
.

Answers

2 babababababababbabababababababababababa

Answer:

(5,100)

Step-by-step explanation:

When three numbers are added two at a time, the sums are 29, 46, 53. What is the sum of all three numbers?

Answers

Answer:

[tex]Sum = 64[/tex]

Step-by-step explanation:

Let the three numbers be a, b and c; such that:

[tex]a + b = 29[/tex] ---- (1)

[tex]b + c = 46[/tex] --- (2)

[tex]a + c = 53[/tex] --- (3)

Subtract equation 2 from 3

[tex]a - b + c - c = 53 - 46[/tex]

[tex]a - b = 7[/tex] --- (4)

Add this equation to the (1)

[tex]a + a + b - b = 29 + 7[/tex]

[tex]2a= 36[/tex]

Solve for a

[tex]a = 36/2[/tex]

[tex]a = 18[/tex]

Substitute 18 for a in (1)

[tex]a + b = 29[/tex]

[tex]18 + b = 29[/tex]

Solve for b

[tex]b = 29 - 18[/tex]

[tex]b = 11[/tex]

Substitute 11 for b in (2)

[tex]b + c = 46[/tex]

[tex]11 + c = 46[/tex]

Solve for c

[tex]c = 46 - 11[/tex]

[tex]c = 35[/tex]

[tex]Sum = a + b +c[/tex]

[tex]Sum = 18 + 11 + 35[/tex]

[tex]Sum = 64[/tex]

What type of connection can you make between markups and tips or taxes? What type of connection can you make between markdowns and discounts? Explain your answer.

Answers

Answer:

Markdowns are the same as discounts. The type of connection between markdowns and discounts is that they all take a percent off a bill or a check, which can involve subtracting and/or dividing. On the other hand, tips and taxes add money. (this is the same with markups.)

Step-by-step explanation:

XD i used this "explanation" and got it correct, it's basically exactly what that guy said but this version is more elaborate, and won't make your teachers suspect anything...xDDD

You just got off the Haunted Mansion ride and the next ride you want to go
on is Splash Mountain. You have a fast pass that requires you to arrive at
Splash Mountain in 7 3⁄4 minutes. Splash Mountain is 1 3/5 miles away. You are able to cover 2/7 of a mile every minute. Can you make it to Splash Mountain?

Answers

Answer:

You can make it to Splash Mountain

Step-by-step explanation:

From the question,

The distance you need to cover to Splash Mountain is 1 3/5 miles, and the time you have to arrive there is in 7 3/4 minutes.

Also, from the question,

You are able to cover 2/7 of a mile every minute, that is

Your speed is 2/7 mile per minute

To determine if you can make it to Splash Mountain, we will determine the distance you can cover, traveling at this speed of 2/7 mile per minute for 7 3/4 minutes. If the distance you can cover is more than 1 3/5 miles, then you can make it; but if the distance you can cover is less than 1 3/5 miles, then you cannot make it.

From

Speed = Distance / Time

Distance = Speed × Time

Speed = 2/7 mile/minute

Time = 7 3/4 minutes = 31/4 minutes

∴Distance = 2/7 × 31/4

Distance = 31/14 miles = 2 3/14 miles

The distance you can cover traveling 2/7 of a mile every minute for 7 3/4 minutes is 2 3/14 miles, since this is more than 1 3/5 miles, then you can make it to Splash Mountain.

Hence, you can make it to Splash Mountain.

I need help ASAP!! Please

Answers

Answer:

26.31

Step-by-step explanation:

You just have to count up the shapes in each place.

The value of y is directly proportional to value of x.if y =35 when x=140 what is the value of y when x = 70​

Answers

Answer:

Y= 17.5

Step-by-step explanation:

140 divided by 2 would equal 70 which could used on y as well meaning 35 divided by 2 would be 17.5 thus giving us the answer 17.5

Paula has a dog that weighs 3 times as much as Carla's dog. The total weight of the dogs is 68 pounds.
How much does Paula's dog weigh?
Use the diagram to find the weight of Paula's dog.
Carla's dog
Paula's dog
68 pounds
68 + 4 =
so Carla's dog weighs
pounds and Paula's dog weighs
pounds.
w

Answers

Answer:

51

Step-by-step explanation:

68/4=17

68-17=51

Answer:

Paula's dog weighs 51 pounds.

Carla's dog weighs 17 pounds.

17 times 3 equals 51.

Then 17 added to 51 equals to 68.

colleen is searching online for tickets two weeks ago the cost to fly from orlando to hartford was 200$ . Now the cost is 335$ what is the percent increase what would be the percent increase if the airline charges an additional $50 baggage fee with the new price. the percent increase of the airline ticket is...... and i will give a brainlest to the best

Answers

The percentage increase for flight tickets to fly from orlando to hartford would be = 67.5% and 92.5% when there is an additional $50 to the new price.

What is percentage Increase?

Percentage increase is defined as the rise in the quantity or amount for an object which is converted into percentage.

The formula for percentage increase would be = increase ÷ original amount × 100

The increase of the cost = 335 - 200 = $135

The original amount = $200

The percentage increase = 135/200 × 100

= 13500/200 = 67.5%

But if the increase in cost is 135 + 50 = $185

The percentage increase of the new cost would be;

= 185/200 ×100

= 18500/200

= 92.5%

Learn more about percentage here:

https://brainly.com/question/24339661

#SPJ1

The time it takes to completely clean an office building follows an exponential distribution with a mean of 135 minutes. What is the probability of cleaning an office building in 135 minutes or less?

Answers

Answer:

0.63212

Step-by-step explanation:

Given that :

Mean cleaning time (μ) = 135

Probability of cleaning the office is 135 minutes or less

Using an exponential distribution probability calculator :

P(X ≤ 135) = 0.63212

please answer this The cost of 2.5 pounds of cheese is $5.60.

D. How could you find the cost for 5 pounds of cheese without finding the cost per pound? Type your answer in the box.

Answers

Answer:

$11.20

Step-by-step explanation:

you just double the cost of 2.5 pounds because 2.5 +2.5 is 5

Answer:20.16

Step-by-step explanation:

That is we want the price of

9

pounds (lets call it

$

x

) to be such that

$

5.60

:

2.5

pounds

is the same as

$

x

:

9

pounds

or written as fractions, we want

$

5.60

2.5

pounds

=

$

x

9

pounds

That is

XXX

$

x

=

$

5.60

2.5

pounds

×

9

pounds

XXXXX

=

$

50.40

2.5

=

$

20.16

4. Tell whether the equation is a linear equation.
4x-3y = 2

Answers

Answer:

What Is X and Y

Step-by-step explanation:

Answer:

It is a linear equation.

Step-by-step explanation:

It has no squares in the equation, meaning the line is straight, therefore meaning the equation is linear.

PLEASE HELP WILL GIVE CROWN



A submarine is 50 feet below sea level. It rises toward the surface for 12 seconds at a rate of 3 feet per second.
How many feet below sea level is the submarine when it is finished rising?

Answers

3x12 is 36. 50-36 is 14. so the submarine will be at 14 feet below sea level

Answer:

14

Step-by-step explanation:

umm I don't know if im dumb but isn't it just 3 times 12 giving you 36 and than 50 minus 36 with an answer of 14

i’ll mark brainlest! pls help! :/

Answers

Answer:

[tex]9\sqrt{2}[/tex]

Step-by-step explanation:

d = [tex]\sqrt{(5-(-4)^2+(5-(-4)^2 \\[/tex]

d = [tex]\sqrt{(9)^2+(9)^2[/tex]

d = [tex]9\sqrt{2}[/tex]

Answer:

D i think... sry if im not correct i tried my best

Step-by-step explanation:

The length of a rectangle is 5 cm more than 2 times its width. The perimeter of the rectangle is 34. Define variables to find both length and width. Write an equation to find the perimeter of the rectangle. What are the dimensions of the rectangle?​

Answers

Answer:

many take time and solve it step by step

Step-by-step explanation:

sorry I am lost

Triangle ABC, in the coordinate plane, is reflected over the -axis to form shown on the coordinate plane below.

Answers

Answer:

I think it’s C

Step-by-step explanation:

Answer: (x,y) to (x,-y)

Step-by-step explanation:

The trainer's goal was to have Lucky gain weight. Was the goal met? Explain.

Answers

Answer:

Yes the trainer was successful in an attempt for lucky to gain weight.

Step-by-step explanation:

Lucky was a weak and thin body shaped person who came to a gym trainer to gain weight. The trainer started to guide Lucky that he has to go for supplements and heavy weight lifting in order to gain weight. After 3 month's of hard work lucky has finally gained weight from 55 kg to 88 kgs.

Please help answer this I will make you brainlst

Answers

Answer:

Read the comments that is where i put the answer at + my work.

can someone help me with this problem

Answers

Im just answering so i can be able to message ignore me lol

Help I will award brainliest help asap! Uwu: If a man can run p miles in x minutes, how long will it take him to run q miles at the same rate?

Answers

Answer:

Speed= Dist/time= p/x miles per minute

Time to run q miles=q divided by p/x= qx/p minutes

Step-by-step explanation:

I don’t know exactly what you’re asking here but a relative equation that can be used if you have either p or q is p/x=q/x.

PLEASE PLEASE help me ​

Answers

Answer:

I couldn't fit it all in one photo but here you go!

For a school project, the school bought 36 hamsters for $5.90 each and 40 cages for $30.25 each.
How much did the school spend in all?

Answers

1,422.4 is the answer please give brainliest

How to solve this ??

Answers

Answer:

They would take 237,944 steps next month

Step-by-step explanation:

    1 1 1 1      

     118972

x             2

 237,944

So its asking you to add 118,972  by 118,972   using standard algorithm of addition.

Standard algorithm of addition is where you line the numbers your adding on top of eachother by place.

So you must the two numbers to get 237,944

 

Working simultaneously, eight pumps fill in a pool in 32 hours. All pumps work at the same pace. If only half of the pumps are working, in how many hours will the pool be filled in?

Answers

Answer:

64 hours

Step-by-step explanation:

Since there are only half of the pumps that are working the time will double. 32x2 is 64

Answer: 16 hours

Step-by-step explanation

Step 1: Split 8 in half because we are using half the amount of pumps which is 4. Now we know the amount of pumps being used.

Step 2: Next we find the unit rate by dividing 32 and 8 to get 4

Step 3: Lastly we multiply 4x4 because 4 is the amount of pumps being used and the other 4 is the unit rate. Once we multiply we get 16 which is the answer: 16 hours

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Brady connected the lose wire to the battery and created an electromagnet as shown below. He picked up 45 thumb tacks with his electromagnet, though his goal was to pick up 50 thumb tacks. What could Brady do to increase the strength of his electromagnet and pick up more thumbtacks? Find f(2) for f(x)=5e^-xln(x^2+5x) Why was the second continental formed?(Reuploaded) What role does a claim play in the development of an argumentative text? What is not a good approach to a question about your weaknesses? You should avoid using the word "weakness," but answer honestly. You should exaggerate a little in your answer to impress the interviewer. You should show how you've been working to improve in the area you mention. You should avoid trying to make it a positive: "I tend to work too much." HURRY PLEASE!Which statement is true regarding the graphed functions? A) f(0) = 2 and g(-2) = 0 B) f(0) = 4 and g(-2) = 4 C) f(2) = 0 and g(-2) = 0 D) f(-2) = 0 and g(-2) =0 The probabilities that stock A will rise in price is 0.42 and that stock B will rise in price is 0.58. Further, if stock B rises in price, the probability that stock A will also rise in price is 0.14. a. What is the probability that at least one of the stocks will rise in price? (Round your answer to 2 decimal places.) What type of power was first used in the north?steamoilcoalwater Mary has a cooler full of flowers in which foliage is wilting and the flowers are dying very quickly. Which of the following is most likely Marys problem?Presence of ethyleneFoliage growthGrowth of all plant partsWater and food uptake was the pendleton act more or less democratic than the spoils system Suppose BD bisects ABC. If m ABD = 12x+24 and m DBC = 20x +16 what is m ABC? Mark leads the baseball league with his batting average. He strikes out 1 time for every 5 hits he got. If he went to bat 500 times. How many times did he strike out? The function that represents the amount of caffeine in milligrams remaining Damerly Company (a Utah employer) wants to give a holiday bonus check of $350 to each employee. Since it wants the check amount to be $350, it will need to gross-up the amount of the bonus. Calculate the withholding taxes and the gross amount of the bonus to be made to John Rolen if his cumulative earnings for the year are $46,910. Besides being subject to social security taxes and federal income tax (supplemental rate), a 5% Utah income tax must be withheld on supplemental payments. Mr. Yoshi has 75 papers. He graded 60 papers and he had a student teacher grade the rest. What percent of the papers did each grade What effect did years of war have on Louis XIV and his subjects How much must you deposit in a bank account today to have $1,000 at the end of 5 years if the bank quotes a rate of 5%, compounded daily? Assume a 365-day year and round your answer to the nearest dollar. simplify - 18 = 5x + 2 What is the adjective in the following sentence: "The very pretty girl lost ashoe. 19. One of the jobs a paleontologist performs involves articulating thefossil remains of animals that have been extinct for millennia.*A. fitting togetherB. expressingC. clarifying