Can someone help me please ? :)

Can Someone Help Me Please ? :)

Answers

Answer 1

Answer:

(4, 3 ) and (1.5, 8 )

Step-by-step explanation:

Given the 2 equations

2x + y = 11 → (1)

xy = 12 → (2)

Rearrange (1) expressing y in terms of x by subtracting 2x from both sides.

y = 11 - 2x → (3)

Substitute y = 11 - 2x into (2

x(11 - 2x) = 12 , that is

11x - 2x² = 12 ( subtract 12 from both sides )

11x - 2x² - 12 = 0

2x² - 11x + 12 = 0 ← in standard form

(x - 4)(2x - 3) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

2x - 3 = 0 ⇒ 2x = 3 ⇒ x = 1.5

Substitute these values into (3) for corresponding values of y

x = 4 : y = 11 - 2(4) = 11 - 8 = 3 ⇒ (4, 3 )

x = 1.5 : y = 11 - 2(1.5) = 11 - 3 = 8 ⇒ (1.5, 8 )


Related Questions

PLEASE HELP FAST! problem is attached as a picture!

Answers

Answer: (4 , 5.5)

Step-by-step explanation: it is 1:3 on the line AB

Which do you pick and why? How much money do you end up with in each case?

Answers

Answer:

2

Step-by-step explanation:

Because if you get 1 per day there is 24 hours meaning there is going to be 17,280 in 30 days so you end up making more in 30 days by getting 1,000,000

Josh is tiling his swimming pool. What information does Josh need?
A.
the area of a tile and the area of his swimming pool
B.
the volume of a tile and the volume of his swimming pool
C.
the perimeter of a tile and the perimeter of his swimming pool

Answers

He née the perimeter of the tile and the perimeter of the swimming pool

please help with question down below!

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the area of one base is 121 cm^2 so if you multiply that by 6 the final answer should be 726 cm^2

3.


Identify the mapping diagram that represents the relation and determine whether the relation is a function.

{(–8, –6), (–5, 2), (–8, 1), (7, 3)}

Which of the following is true?

A.
choice b.

B.
choice d.

C.
choice c.

D.
choice a.

Answers

Answer:

Step-by-step explanation:

I dont know sorry

what is the vertex of the graph?



A. (2,2)

B. (1,3)

C. (3,1)

D. (0,2)

Answers

Answer: B

Step-by-step explanation:

Ben score is 56 out of 79 marks what is his score as a percentage

Answers

Answer:

71%, without rounding 70%

Step-by-step explanation

We know our total number of marks is 79 if we only get 56 out of 79 we take 56/ 79. You'll end up with a number of 0.7088. You will ALWAYS end up with a decimal point. Because its a percentage we move the decimal point over 2 spots making the number 070.88 the 0 in front of of the 70.88 gets removed so you're left with 70.88 so rounded it would be 71%. Hope this helps

Answer:

70.88% or 70.9%(if rounded off)

Step-by-step explanation:

1. 100 ÷ 79 = 1.2658227848

2. 1.2658227848 × 59 = 70.8860759494

3. 70.88 rounded off to the nearest tenths is 70.9

Factor the polynomial by its greatest common monomia
365 + 1564 - 1867

Answers

62 for bc you take always the 1867 with the rest

Is (4, 3) a solution to the inequality 10x + 2y > 3?

Answers

Answer:

Yes

Step-by-step explanation:

10x + 2y > 3

Substitute the point into the inequality

10(4)+2(3) > 3

40+6>3

46>3

This is a true statement so the point is a solution

3 times a number is 4 less than the square of that number. Find the negative solution.

Answers

3X=X^2-4
So X=4
Negative -4

A stadium has 500 seats and 5 VIP boxes. The stadium is divided into 25 equal sections: 5 premium sections and 20 standard sections. A seat at the premium section costs $45 per game. A seat at the standard section costs $25 per game.

1. How many seats are there in each section?

Answers

20 seats in each section, divide 500 by 25=20

Calcule el décimo termino de una progresión geométrica que Los términos son 32 , 16 , 8 , 4 ................,

Answers

Respuesta:

1/16

Explicación paso a paso:

Dada la secuencia geométrica: 32, 16, 8, 4 ................,

El enésimo término de una progresión geométrica se obtiene mediante la relación:

enésimo término = ar ^ (n-1)

Dónde ; a = primer término = 32; n = enésimo término; r = razón común

r = a2 / a1 = a3 / a2

r = 16/32 = 8/16

r = 1/2

Por lo tanto, el décimo término:

n (10) = 32 * (1/2) ^ (10 - 1)

n (10) = 32 * (1/2) ^ 9

n (10) = 32 * (1/512)

n (10) = 32/512

n (10) = 1/16

Por lo tanto, el décimo término es 1/16

help pls i really need help like really so pls i will giv brainly est and money pls 20 dollar i need help pls pls pls i cant do math pls

Answers

Answer:

what do you need help with?

Which choice correctly shows the line
y = -x?

Answers

Answer:

B

Step-by-step explanation:

Write and solve your own multi-step equation that has variables on both sides and at least one fraction.
Example : 5x + 5 + 4x = 4 - 3x + 6 (but dont do this one, do something similar to it and solve it please :) )

Answers

Your Answer for 5x+5+4x=4-3x+6: x=5/12

Step-by-step explanation: Hope this help :D

A scientist pours 708 milliliters of a solution into a beaker.There are approximately 236 mililiters in 1 cup. How many ounces of solution did she pour into the beaker

Answers

Answer:

23.94 ounces

Step-by-step explanation:

To determine the ounces poured. Convert, 708 ml to ounces

1 ml = 0.033814 ounces

0.033814 ounces x 708 = 23.94 ounces

Marissa had a $25 gift card for Roosters on Oxford. Each morning she purchases her $3 vanilla latte. Write an equation in slope- intercept form where y represents the amount of money on the card, after x visits.

Answers

Answer:

Y=3/1x+25

Step-by-step explanation: I believe this is correct. I was doing this a while ago so I might have it wrong. Y Is the money on the card, m, or 3/1 is the slope. B is the Y-intercept, which is 25.

Can someone please help me with this math problem please:):)

Answers

Answer:

4800cm²

Step-by-step explanation:

20x30x8=4800

4,800 cm just multiply each side and that’s ur answer

Un turista pagó un total de 180 dólares en un hotel. La cuenta incluye el costo de tres noches de hospedaje y 75 dólares de alimentación.
El siguiente procedimiento permite determinar cuántos dólares pagó el turista, por cada noche de hospedaje. 3X+ 75 = 180
3X +75 -75 = 180 – 75
3X = 105
¿Cuál de los siguientes pasos completa correctamente el procedimiento?Single choice.
(10 Points)

3X – 3 = 105 – 3

3X + 3 = 105 + 3

3.(3X) = (3).105

3X/3 = 105/3

Answers

i don’t understand the language so i can’t help sorry

Select the correct answer.
Consider this equation of a parabola.
- 2x2 - 4x + 2y + 8 = 0
What is the equation expressed in vertex form?
O A.
B.
л
y = (x – 4)2 – 20
y = (x + 1)2 – 5
C. y = (1 – 4)2 + 4
OD. y = (x + 1)2 - 1

Answers

Answer:

B

Step-by-step explanation:

Is this a function?
A) Yes
B) No

Answers

Answer:

yes

Step-by-step explanation:

because its arranged in well functional statement

i really need help i am really bad at math

Answers

The answer to this questions is c

Each quadrilateral below is a parallelogram . find the missing measures .

Answers

Answer:

AD = 8

DC = 15

m∠A = 112°

m∠B = 68°

m∠C = °

Step-by-step explanation:

If we're working with parallelograms, we can assume that each line and it's opposite are perfectly parallel.

To find AD, all you need to do is look to the opposite line, BC. Since This is a parallelogram, AD = BC, so AD is 8.

To find DC, you do the exact same. Find the opposite line that it is parallel to, in this case that's AB, and since AB = DC, you know that DC = 15.

To find m∠A, let's look at m∠D. Since m∠D = is 68°, We can use that knowledge to find m∠A. Since the two angles are right beside each other on the same line, together they would equal 180° if you added them up. But since you don't know what m∠A is, you just have to subtract 68 from 180.

180 - 68 = 112.

To find m∠B, We simply look back to m∠D. Since m∠B is directly opposite to m∠D, That means they have the same value, 68°.

And finally, to find m∠C, we do the same thing we did to find m∠B. m∠C is directly across from m∠A - we have already found m∠A, and we know that it is 112°. Therefore, m∠C is 112° as well.

May someone please help me with this :)

Answers

Answer:

[tex]48\pi[/tex]

Step-by-step explanation:

[tex]V=\frac{1}{3}\pi r^2h[/tex]

r  is the radius of the base, h is the height.

[tex]V=\frac{1}{3}\pi (4)^2\cdot 9=48\pi[/tex]

Answer:

The volume is 48pi (in)^3

Step-by-step explanation:

A basketball team won 72.5% of their games. Find the probability they win 16 if their next 30 games.

Answers

Answer:

0.00987

Step-by-step explanation:

Using binomial probability formula :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

p = 0.725 ; number of trial, n = 30

Number of winning, x = 16

1 - p = 1 - 0.725 = 0.275

P(x = 16) = 30C16 * 0.725^16 * 0.275^14

P(x = 16) = 119759850 * 0.725^16 * 0.275^14

P(x = 16) = 0.00987

Hence, the probability of winning 16 of their next 30 games is 0.00987

Drag the dot to plot (-5, -9), and then select its location on the coordinate plane.

Answers

Hope this helps!!!!!!!!

If three bakers can prepare 15
cakes in 60 minutes, if they
continue working at the same
rate, how many cakes can they
make in 3 hours?

Answers

Answer:

45 cakes/3 hours

Step-by-step explanation:

15 cakes/1 hour = x cakes = 3 hours (multiply by 3)

Please give good answer, no jokes or links please​

Answers

90 Degree angle since that is a right triangle

HELP PLEASE ASAP!!!!!!!!!!!!

Answers

Answer:

a = 2, b = 3

Step-by-step explanation:

The opposite sides of a parallelogram are congruent , so

3a + 11 = a + 15 ( subtract a from both sides )

2a + 11 = 15 ( subtract 11 from both sides )

2a = 4 ( divide both sides by 2 )

a = 2

and

3b + 5 = b + 11 ( subtract b from both sides )

2b + 5 = 11 ( subtract 5 from both sides )

2b = 6 ( divide both sides by 2 )

b = 3

What is the probability of getting a prime number in a number greater than one on two rolls of a die

Answers

Answer:

a even chance of getting one as even as not

Step-by-step explanation:

hope it helps

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