x + 2y = 3
3x - 2y = 5
What is the solution to the system of equations?
A)
(4, 3.5)
B)
(2,3)
(2, -1)
D)
(3, 2)

Answers

Answer 1

Answer:

x=2, y=1/2. (2, 1/2).

Step-by-step explanation:

x+2y=3

3x-2y=5

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

4x=8

x=8/4

x=2

2+2y=3

2y=3-2

2y=1

y=1/2


Related Questions

If p = -6, what does p + 4 equal?

Answers

Answer:

-2.

Step-by-step explanation:

p + 4 with p being -6 is basically -6 + 4, which equals -2.

Answer:

-2

Step-by-step explanation:

-6 + 4 = -2

Solve the question below.
A + C =5
C + D = 4
C - A = 1
What is D + A?

Answers

Answer:

9

Step-by-step explanation:

How many proper subsets does the set T = {i, c, j, e} have?

Answers

Number of proper subsets = 2^number of elements- 1
= 2^n - 1
No of elements = 4
2^4-1 = 16-1 = 15

What is the value of z?

No links please!!

Answers

9514 1404 393

Answer:

  z = 14.4

Step-by-step explanation:

The angle bisector divides the sides proportionally.

  z/12 = 6/5 . . . . . . . . . write a proportion*

  z = 12(6/5) = 72/5 . . . . . multiply by 12

  z = 14.4

_____

* We consider the proportion easier to solve if the unknown is in the numerator. Then the solution is found by multiplying the equation by that denominator.

Evaluate using suitable property. Write the needed steps. Use proper brackets.
20 x 399 x 5

Answers

Step-by-step explanation:

20 x 399 x 5

= (20×5) × 399

= 100×399

= 39,900

A man earns 15000 in a month. if he spends 20% on food and 10% in his children's education.
a) what is his total expenditure?
b) how much does he save in a month?​

Answers

Step-by-step explanation:

Total money=15000

food=20%

edu.=10%

food AMT=20% of 15000

=20/100*15000

= 3000

education AMT= 10/100*15000

=1500

savings = 15000-1500-3000

=Rs10500

total expenditure=1500+3000

=4500

help me plzz
4X + 24 - X + 5 ≤ 62

Answers

Answer:

Combine like terms:

3x + 29 ≤ 62

-29          -29

3x = 33

Divide by 3 on both sides.

x = 11!

Answer:

x is 11

Step-by-step explanation:

4X + 24 - X + 5 ≤ 62

24 + 5

is 29

29-3x  ≤ 62

-3x  ≤  33

-x ≤ 11

x ≥ 11

In a grocery store, a $12 case of soda is labeled, "Get a 20% discount." What is the discount? What is the sale price of the case of soda?

Answers

the discount would just be 20% and then the sale of the sodas would be $10 because you’re getting two dollars off

%20 time 5 is 100
so 12 divided by five equals 2
12-2=10

I really need help please!!

Answers

Answer: B


To find the frequency of students favorite sport you will use the equation

Number of students for each sport/total students

Basketball: 4/25 = .16
Football: 7/25 = .28
Lacrosse: 3/25 = .12
Soccer: 8/25 = .32
Volleyball: 3/25 = .12

HELLO CAN SOMEONE HELP ME PLOT THIS POINT? TY :)

Answers

It would be at (7,5)

It would be at (-7,-5) since it’s a reflection over the x axis

Mi mamá Rosa Amelia, asistió al Hospital cercano a su casa, luego de hacer atendida, el medico tratante le dio tres tipos de pastillas que tomar;la pastilla rojas cada 12 horas, la pastilla amarilla 8 horas y la pastilla blanca cada 7 horas. Si empieza a tomarse la pastilla en el día de hoy a las 12:00 del mediodía Cuándo volverá a tomarse cada pastilla otra vez?​

Answers

Answer:

La próxima pastilla roja será a las 12:00 a.m.

La próxima pastilla amarilla será a las 8:00 p.m.

La próxima pastilla blanca será a las 7:00 p.m.

I need help with problem number 3 if someone can help me with that

Answers

Plug in x into the equation. Take x= -2 for example. Your equation is 2x-5, so instead of x, you put -2.
2(-2)-5 = -9
Your table is as follows:
(-2,-9)
(-1,-7)
(0,-5)
(1,-3)

Please help me fast i need help

Answers

Answer:

minimum- 19

first quartile - 26.5

median - 29

third quartile - 31

maximum - 40

Step-by-step explanation:

If f(x) = x3 – 2x2, which expression is equivalent to f(i)?
0-2 + 1
O-2-1
O
2 + 1
O 2-1
PLS HELP

Answers

Answer:

[tex]2 - i[/tex]

Step-by-step explanation:

Substitute i for x. Remeber i means imaginart number.

[tex] {i}^{3} - 2 {i}^{2} [/tex]

Use the Imaginary number exponents rules

[tex] {i}^{2} = - 1[/tex]

[tex] {i}^{3} = - i[/tex]

[tex]i {}^{4} = 1[/tex]

Simplify the equation.

[tex] - i - ( - 2)[/tex]

[tex] - i + 2[/tex]

Write as a complex number in form a+bi

[tex]2 - i[/tex]

Solve for x 8-2x = 5( x4) ​

Answers

4/11 because when you multiply 5x4x you get 20x , so 8-2x=20x. Then you move the terms with variables and get -2x-20x=-8. This gives you the answer that -22x=8 and when u divide by 22 to both sides, you get 4/11.

pls help thannnnkkkss <33

Answers

Answer: You would put the parentheses here 24 divided by 6 x 2 - (1 +4)

Have a nice day!

I NEED HELP ASAP!!!!!!!!!!!!!!

Answers

Answer:

Step-by-step explanation:

You are given the linear regression equation as y = -.36x + 12.6, where y is the wind chill and x is the wind speed. We are being asked for the wind chill when the wind speed is 22; therefore, we are being asked to plug in 22 for x and solve for y:

y = -.36(22) + 12.6 and

y = -7.92 + 12.6 so

y = 4.68F

The area of a triangle is 24 square inches. What is the height of the triangle if the base length is 4 inches? (5 points) 6 inches 8 inches 12 inches 20 inches

Answers

9514 1404 393

Answer:

  12 inches

Step-by-step explanation:

The area is given by the formula ...

  A = 1/2bh

Fill in the given values and solve for the height.

  24 in² = 1/2(4 in)h

  h = (24 in²)/(2 in) = 12 in

The height of the triangle is 12 inches.

Answer:

12 inches

Step-by-step explanation:

Area = [tex]\frac{1}{2}bh[/tex]

24 = [tex]\frac{1}{2} * 4 * h[/tex]

24 = 2h

h = 12 inches

Write a quadratic function h whose zeros are 1 and 4

Answers

Answer:

x² - 5x + 4

Step-by-step explanation:

work backwards from knowing zeros to writing factors, then use foil method

(x - 1)(x - 4)

x² - 4x - 1x + 4

x² - 5x + 4

HELP !!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

25[tex]\pi[/tex] Or 78.5 units³

Step-by-step explanation:

1/3πr²h

1/3xπx25x3=25π or 78.5

Question :-

Find the volume of the Cone.

____________________

Solution :-

Given Information :-

Radius of the Base of Cone = 5 unitsRadius² = 5² = 25 unitsAltitude = 3 units Value of π = 3.14

To Find :-

Volume of Cone.

Formula Used :-

Volume of Cone = [tex] \sf \frac{1}{3} \pi {r}^{2} h [/tex]

Calculation :-

We will substitute the given values in the formula,

⇒ Volume of Cone = [tex] \sf \frac{1}{3} \pi {r}^{2} h [/tex]

Substituting the values, We get,

⇒ Volume of Cone = [tex] \sf \frac{1}{3} \times 3.14\times 25 \times 3 [/tex]

On further calculating, We get,

∴ Volume of Cone = [tex] \sf 78.5 units³ [/tex]

____________________

Final Answer :-

Volume of Cone = [tex] \bf 78.5 units³ [/tex]

____________________

9. Find the measure of angle
a
36°
57°

Answers

Answer:

no clue bro

Step-by-step explanation:

1. Which of the following equations would not
contain the point (4, 12)?

A.y = 2X + 9

B.y = -2x + 14-x1

C. y = 2x + 8

D. y = -2x + 20

Answers

I think it’s “c” y=2x+8




Logan is birdwatching at the coast. He records each bird he sees. herons 2 egrets 7 vultures 2 gulls 3 Considering this data, how many of the next 20 birds Logan sees would you expect to be egrets?

Answers

Answer: 10

Step-by-step explanation: First, write the experimental probability as a fraction in simplest form.

P(egret)

=

egrets

total

=

7

2+7+2+3

=

7

14

=

1

2

The experimental probability is

1

2

.

We can predict the outcome of the second set of trials by assuming that the ratio will be the same as in the first set of trials. Write a proportion by setting the two ratios equal to each other, then solve.

1

2

=

n

20

1

2

(220)

=

n

20

(220) Multiply both sides by (220)

120

= 2n Simplify

20

= 2n Simplify

10

= n Divide both sides by 2

You would expect to see 10 egrets out of the next 20 birds.

The solution is, : 10 out of the next 20 birds Logan sees would you expect to be egrets.

What is probability?

Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event.

here, we have,

First, write the experimental probability as a fraction in simplest form.

P(egret)=egrets

total

=7

2+7+2+3=

7/14=1/2

The experimental probability is

1/2

We can predict the outcome of the second set of trials by assuming that the ratio will be the same as in the first set of trials. Write a proportion by setting the two ratios equal to each other, then solve.

1/2=n20

1/2

(220)=n20

(220) Multiply both sides by (220)

120 = 2n Simplify

20 = 2n Simplify

10 = n [Divide both sides by 2]

You would expect to see 10 egrets out of the next 20 birds.

To learn more on probability click:

brainly.com/question/11234923

#SPJ3

HELLLP PLZZZZ , i need to anwer this quastion is a major grade :((

Answers

Answer:

I think it might be C but I dont know  . Hope its right !

Step-by-step explanation:

A polynomial function has a root of -3 with multiplicity 2, a root of 0 with multiplicity 1, a root of 1 with multiplicity 1, and a root of 3 with multiplicity 2. If the function has a positive leading coefficient and is of even degree, which could be the graph of the function?​

Answers

Answer:

see uploaded image

Step-by-step explanation:   5 30  10 04

x(x+3)²(x-1)(x-3)²

I attached my guess, since I don't see any graphs.  

NOTE the x axis scale change on my submission.

Only option A graph matches the features of this polynomial. Therefore, option A is the correct answer.

What is a polynomial function?

A polynomial is an equation with many terms whose leading term is the highest exponent known as a degree. The degree or exponent tells how many roots exist. These roots are the x-intercepts.

This polynomial has roots -3, 0, 1, and 3. This means the graph must touch or cross through the x-axis at these x-values. What determines if it crosses the x-axis or if the simple touch it and bounces back? The even or odd multiplicity - how many times the root occurs.

In this polynomial:

Root -3 has an even multiplicity of 2 so it only touches and does not cross through.

Root 0 has an odd multiplicity of 1 so crosses through.

Root 1 has an odd multiplicity of 1 so crosses through.

Root 3 has an even multiplicity of 3 so it only touches and does not cross through.

Knowing this, only the first and second graphs are possible answers.

Lastly, what determines the facing of the graph (up or down) is the leading coefficient. If positive, the graph ends point up. If negative, the graph ends and points down. All even degree graphs will have this shape.

Only option A graph matches the features of this polynomial. Therefore, option A is the correct answer.

To learn more about the polynomial function visit:

https://brainly.com/question/12976257.

#SPJ6

Give the most precise selection
for the quadrilateral with the
following vertices.
P(0,0), Q(2a, 2b), R(20,2b), S(20,0)

Answers

Answer:

I think square

Cause it is having 4 sides and in ur question the were 4 vertuces so i think its a square

Answer:

I think A

a parrallelogram

Each square represents 1 whole. Which of the following are represented by the model shown? Select the three correct answers.

Answers

Answer:

(52/10)

5 (2/10)

5.2

Step-by-step explanation:

Laura is bowling 5 games. Her first 4 scores were 103, 143, 101, and 110.
To end up with an average score of at least 126.8, what is the lowest score Laura will need in the fifth
game?

Answers

Answer:

The least 5th score is 177

Step-by-step explanation:

Given

[tex]First\ 4: 103, 143, 101, 110.[/tex]

[tex]Average = 126.8[/tex]

Required

The least 5th score

Represent the 5th score with x.

The average is calculated as:

[tex]Average = \frac{\sum x}{n}[/tex]

So, we have:

[tex]126.8 = \frac{103 + 143 + 101 + 110 + x}{5}[/tex]

[tex]126.8 = \frac{457 + x}{5}[/tex]

Multiply both sides by 5

[tex]634= 457 + x[/tex]

Solve for x

[tex]x = 634- 457[/tex]

[tex]x = 177[/tex]

Please help me solve these questions

Answers

1= 15
2= 12
Hope this helps

PLEASE IM BEGGING!!!
The questions is: Find the perimeter and the Area of a Trapezoid

Answers

Answer:

Step-by-step explanation:

P = 65.4

not sure about area Sorry

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