binomial expression ​

Binomial Expression

Answers

Answer 1

Answer

2.(2,1)

3. (2,2)

Step-by-step explanation:

Given,

2.2x+y=4

x+3y=_3

sol

2x+y=4..... equation i

x+3y=_3 ....eq ii

eq ii of 2 multiple the eq i

2x+y=4

2x+6y=_6

_ _ +

__________

o+ 5y = 10

y =10÷5

y = 2 ans

y valu put the eq 1

2x+y=4

2x+2=4

2x=4_2

2x=2

x=2÷2

x=1

3.

sol

3x+5y=4..... eq 1

x+3y=4 ..... eq 2

eq 2 multiple eq 1. 3

3x+5y=4

3x+9y=12

_ _ _

___________

0x+4y=8

4y=8

y=8÷4

y=2 ans

the y value put the eq 1

3x+5y=4

3x+5×2=4

3x+10=4

3x=10_4

3x=6

x=6÷3

×=2 ans

Answer 2

Answer:

(3, - 2 ) and (- 2, 2 )

Step-by-step explanation:

(8)

2x + y = 4 → (1)

x + 3y = - 3 → (2)

Multiplying (2) by - 2 and adding to (1) will eliminate the x- term

- 2x - 6y = 6 → (3)

Add (1) and (3) term by term to eliminate x

0 - 5y = 10

- 5y = 10 ( divide both sides by - 5 )

y = - 2

Substitute y = - 2 into either of the 2 equations and solve for x

Substituting into (1)

2x - 2 = 4 ( add 2 to both sides )

2x = 6 ( divide both sides by 2 )

x = 3

solution is (3, - 2 )

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

(9)

3x + 5y = 4 → (1)

x + 3y = 4 → (2)

Multiplying (2) by - 3 and adding to (1) will eliminate the x- term

- 3x - 9y = - 12 → (3)

Add (1) and (3) term by term to eliminate x

0 - 4y = - 8

- 4y = - 8 ( divide both sides by - 4 )

y = 2

Substitute y = 2 into either of the 2 equations and solve for x

Substituting into (2)

x + 3(2) = 4

x + 6 = 4 ( subtract 6 from both sides )

x = - 2

solution is (- 2, 2 )


Related Questions

Solve the system.
0.2x + 0.5y = 4
-0.1x + 0.3y = -2
A)
(20,0)
B)
(-2,5)
C
(-5, 10)
D)
(50, 10)

HELP

Answers

Answer:

A

Step-by-step explanation:

when plotted this is 20,0

The product of 4x and 0 is:
4x
4
0

Answers

Answer: 0

Step-by-step explanation:

Simply the answer is 0 because anything multiplied by 0 will result in 0

4x(0) = 0

Abigail paid $62.00 for 8 friendship bracelets. Each bracelet cost an equal amount. What
was the cost of each friendship bracelet in dollars and cents?
F $7.14
G $9.25
H $54.00
J $7.75

Answers

The answer is J) $7.75 since you divide the price by 8.

The cost of each friendship bracelet in dollars and cents was J $7.75

What is the fundamental principle of multiplication?

Multiplication is the mathematical operation that is used to determine the product of two or more numbers. If an event can occur in m different ways and if following it, a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.

We are given that Abigail paid $62.00 for 8 friendship bracelets. Each bracelet cost an equal amount.

Cost of 8 friendship bracelets =  $62.00

Therefore,

Cost of 1 friendship bracelets =  $62.00/ 8

Cost of 1 friendship bracelets =  7.75

The cost of 1 friendship bracelets is $7.75

Learn more about multiplications;

https://brainly.com/question/14059007

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MARKING BRAINLIEST TO FIRST PERSON WHO ANSWERS!!! ALSO UPPING POINTS TO 25

Answers

Answer:

Approximately 460 ft

Step-by-step explanation:

In any question where we have:

A right triangleAn given angle, andA given side

And we're asked to find:

A missing side

We're gonna be using some trigonometry. The first question we've gotta ask is what we're looking for, and how the angles and sides relate to that. We're given:

The angle of elevation, 49°The distance to the base, 400 ft

And we're looking for:

The height of the hill, which I'll call h.

How do our sides relate to the angle? Well, the 400 ft side is adjacent to 49°, and the side h is opposite. From SOH-CAH-TOA, we can see that the last trig function, tangent, is equal to opposite/adjacent. Let's turn this into an equation to bring it all together:

[tex]\tan{49^\circ}=h/400[/tex]

Solving for h, we find that

[tex]h=400\tan{49^\circ}\approx400(1.15)=460[/tex]

So the heigh of the hill is approximately 460 ft.

What is the slope of the line that passes through the points (1, 1) and (9,7)?
4/5
3/4
5/4
4/3
Please hurry

Answers

The answer is 3/4.

Step-By-Step Explanation

Slope Formula:m=y2-y1/x2-x1
Substitute: 7-1/9-1
Answer: 3/4

Which side lengths form a right triangle?

Answers

Answer:

C) 2,2,2.82842712

Step-by-step explanation:

Answer:

B and C

Step-by-step explanation:

Side lengths of 4, 8, and 12 do not form a right triangle. According to the Pythagorean Theorem, a² + b² = c². In this theorem, "c²" represents the largest side (c) squared

Write the slope-intercept form of the equation of a line with a slope of -5/8 that passes through the point (-14,6)

Answers

Answer:

y = -5/8x - 11/4

Step-by-step explanation:

Since we already know the slope which is -5/8. This will be the m in the equation.

To find the y-intercept, plug the coordinates into the equation, which is

y= -5/8 + b

6 = -5/8(-14) + b

6 = 35/4 + b

= -11/4 = b

I need help plz plz plz

Answers

Your answer to this question is B

If John has 10 apples and he associate Lily stole 1. How many oranges does he have?

Answers

Answer: it is 9 because 10 - 1 = 9

Step-by-step explanation:

Answer:

Answer 9 because 10-1=9

Step-by-step explanation:

If you have 10  apples and if I stole one from you then it will 9.

Education researchers are interested in the workload expectations of freshmen at a local university. Since all of the freshmen are randomly placed into freshman seminar classes, the researchers randomly select 3 freshman seminar classes and survey all of the students within those classes. Which sampling method was used?

cluster sampling
simple random sampling
stratified random sampling
systematic random sampling

Answers

Answer: Cluster Sampling

Step-by-step explanation: I just took this test and got it correct :)

If the researchers choose three freshmen seminar classes at random and poll every pupil in those classes. The Cluster Sampling method was applied. Option A is correct.

What is cluster sampling?

In the probability sampling technique known as cluster sampling, you split a population into groups, such as districts or schools, and then randomly choose a sample from among these groups. Ideally, each cluster should be a small representation of the population as a whole.

When studying large, dispersed populations, cluster sampling is most effective since interviewing every individual would be expensive, time-consuming, and sometimes impossible.

By using cluster sampling, it is possible to create smaller, more comparable clusters that represent the population being studied.

Thus, the researchers choose three freshmen seminar classes at random and polled every pupil in those classes. The Cluster Sampling method was applied. Option A is correct.

Learn more about cluster sampling here,

https://brainly.com/question/14937422

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Ill give brainiest and 25 points!

Answers

Answer:

A

Step-by-step explanation:

Fo sooo

It’s probably A. Let me know if I’m wrong.

4.) There are 15 people at a pizza party. If each person eats 3/16 of a pizza, how many pizzas
will be needed to feed everyone at the party?

Answers

Answer:

2

Step-by-step explanation:

beacuse there are 13 pizzas left and they need 2 more

plz dont get mad if i get it wrong

Mallory is on a budget and wants to determine which cereal is a better buy. A 10-ounce box of Cereal A costs $2.70 and a 13-ounce box of Cereal B costs $3.64. The store is selling each cereal in 15 ounce boxes. Which cereal is cheaper and by how much?

Answers

Answer:

Cereal A is cheaper by $0.15

Step-by-step explanation:

Cost of a 10-ounce box of Cereal A = $2.70

So,

Cost of a 1-ounce box of Cereal A = [tex]\frac{2.70}{10}=\$0.27[/tex]

Cost of a 15-ounce box of Cereal A = [tex]0.27(15)=\$4.05[/tex]

Also,

Cost of a 13-ounce box of Cereal B = $3.64

So,

Cost of a 1-ounce box of Cereal B = [tex]\frac{3.64}{13}=\$0.28[/tex]

Cost of a 15-ounce box of Cereal B = [tex]=0.28(15)=\$4.2[/tex]

Here,

Cost of a 15-ounce box of Cereal B - Cost of a 15-ounce box of Cereal A = [tex]4.2-4.05=\$0.15[/tex]

Therefore,

Cereal A is cheaper by $0.15

Can someone help me please

Answers

Answer:

A

Step-by-step explanation:

Ur welcome

The sides of a triangle have lengths 3, 8, and 9. What kind of triangle is it?
acute
right
obtuse

Answers

Answer:

obtuse

Step-by-step explanation:

hope this helps dude

x - 3 + 5x = 15 what is the value of 3x + 4​

Answers

Answer:

13

Step-by-step explanation:

mark brainliest

x - 3 + 5x = 15
6x = 18
x = 3

3x + 4 = ...
= 9 + 4
= 13

PLEASE ANSWER ASAP GIVING BRAINLIEST

Answers

Y= 6 hope this helps!!

A car is travelling at 40 mph

How long will it take this car to travel 130 miles?

Give your answer in hours and minutes.

Answers

Answer:

3 hours and 15 minutes

Step-by-step explanation:

Mark opens a bank account with $20. He plans to put in $5 each week.

Complete the table below to show the total amount of money Mark has in his bank account from 0 to 10 weeks.

Time
(weeks)
0
1
2
3
4
5
6
7
8
9
10
Money ($)
$20
Make sure to align the money next to the weeks

Answers

is there a picture you can take so we can see the graph

0:20

1: 25

2:30

3:35

4:40

5:45

6:50

7:65

8:70

9:75

10: 80

hope this helps

What is an equation of the line that passes through the points (-3, 1) and (–6, 6)?
Put your answer in fully reduced form.

Answers

(y2-y1)/(x2-x1)

(6-1)/(-6- -3)= 5/-3

slope= -5/3

y=-5/3x + b

6=-5/3(-6)+b

b or the y-int= -4

therefore the equation is y=-5/3x -4

-5Z = 55


What is Z?
Pls help

Answers

Answer:

z = -11

Step-by-step explanation:

-5Z = 55

to find z, divide each side by -5

[tex]\frac{-5Z}{-5} = \frac{55}{-5}[/tex]

z = -11

Answer:

Z = -11

Step-by-step explanation:

When dealing with variables, you want to get it alone so it instantly equals the number.

Since Z is being multiplied by -5, you're going to divide -5 because that's the opposite of multiplying--but you have to do it on both sides, not just the one.

Note that when you're dividing or multiplying a negative and positive number, the result with ALWAYS be negative!

                                                 -5Z = 55

                                                  /-5     /-5

                                                   Z =  -11

Just in case, we'll plug in -11 for Z and see if it works.

                                               -5(-11) = 55

Note again that when you're multiplying two negatives it cancels out the negative and makes the answer positive!

Hope this helped :)

Kellen read 93 pages in 3 days. How many pages did he read per day?

Answers

Answer:

31 pages

Step-by-step explanation:

I hope this helps!!!

Answer:

31 take the pages and divide by the days

Step-by-step explanation:

93÷3

3 goes into 9 3 times

3 goes into 3 1 time

Ember has $80 to spend on clothes. She wants to buy a pair of jeans that cost $35 and spend the rest on t-shirts. Each T-shirt costs $5. How many t-shirts can Ember afford to buy?

Answers

Answer:

she can buy 9 shirts

Step-by-step explanation:

80-35=45

45÷5=9

plz mark brainlyest

The answer is 9 t-shirts because you would subtract the 35 for the pants from the original amount of 80 leaving you with 45 and then you would divide that by the 5 dollars for the shirt

Can you help me please? This is die soon.

Answers

You have to add a pic to see the quetsion

Please help I need help

Answers

9514 1404 393

Answer:

  (d)  SA = 36π

Step-by-step explanation:

The surface area of a cylinder is ...

  SA = 2πr(r +h)

Here, the radius is r=2 and the height is 7, so we have ...

  SA = 2π(2)(2+7) = 36π . . . . matches choice D

__

Dimensions are in meters, so area is in square meters.

HELP!!!!

If the probability of a getting 4/25 out of 200 people, what about 500 people?

Answers

Answer:

123

Step-by-step explanation:

Hurry!!!! Will mark BRAINLIST answer if get correct. Plz help me you are a very good person if you help me.

Answers

hey! supplementary means angles that are next to eachother that add up to 180. so 3 and 2

Answer: 3 and 2

Step-by-step explanation:

Maya and Reginald are installing hardwood flooring. Maya can install flooring in a room in 4 hours. Reginald can install flooring in a room in 3 hours. How long would it take them if they worked together?

Answers

Answer:

1 hour 42 minutes approx

Step-by-step explanation:

Given data

Mayas work rate= 1/4 room per hour

Reginald work rate= 1/3 room per hour

Let the total time taken for both of them be T

Hence their combined work rate

1/4+1/3= 1/T

3+4/12=1/T

7/12=1/T

T= 12/7

T= 1.7 hours

Hence it will take them 1 hour 42 minutes approx

1p
14) The number of students at LAMS is 1872 students. The ratio of girls to
boys in the school is 7:5. How many more girls than boys are in school?
*

Answers

Answer:

someone help

Step-by-step explanation:

The question is: how many boys are in the school

The selling prices of 5 houses in one neighborhood were $114,000,
$150,000, $223,000, $198,000, and $139,000. Which conclusion is true?
A. The mean price was about 15,000 higher than the median price

B. The median price was about 15,000 higher than the mean price

C. The mean and medical prices were identical

D. The mean price was double the median price

Answers

Answer:

A. The mean price was about 15,000 higher than the median price.

Step-by-step explanation:

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